Solar is now more affordable than ever with price drops and government subsidies. Rooftop solar installations on residential and commercial buildings with up to ₹78,000 subsidy and ₹18,000 per kW for housing societies. Start your solar journey with Sunboost Energy.Affordable rooftop solar solutions with government subsidy benefits up to ₹78,000 and ₹18,000 per kW for societies. Residential and commercial solar panel installations by Sunboost Energy with trusted brands.

4kW Solar System Details – Price, Output, Area Required & Benefits

A modern three-story residence featuring an elevated 4kW solar panel installation on the terrace, designed for maximum efficiency and aesthetic integration

Electricity bills in India are steadily increasing, especially for households using air conditioners and multiple appliances. A 4kW solar system offers a practical solution by generating your own electricity and reducing dependence on the grid.

For homes with moderate to high usage, this system can cut electricity costs significantly while delivering reliable performance for decades.

With falling equipment costs and the availability of government subsides like PM Surya Ghar Muft Bijli Yojana, homeowners can now install solar systems at a much lower upfront investment.

A modern three-story residence featuring an elevated 4kW solar panel installation on the terrace, designed for maximum efficiency and aesthetic integration

Is a 4kW Solar System Right for You?

Choosing the correct system size is critical. A 4kW solar system is best suited for households with consistent electricity usage and higher daytime consumption.

You should consider this system if:

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High Monthly Bills

Your monthly electricity bill is consistently between ₹3,000 and ₹8,000.

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Mid-Sized Homes

You live in a standard 2BHK or 3BHK independent home or villa.

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AC Usage

You use one or two air conditioners regularly, especially during summer.

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Multiple Appliances

Your family relies on multiple electrical appliances daily (fridge, washing machine, etc.).

4kW Solar System Cost in India

Understanding the 4kW solar system cost helps you plan your investment better. The final cost depends on system type, installation complexity, and component quality.

On-Grid System

Price Range

₹2.4L – ₹3L

Subsidy Available

Up to ₹78,000

Final Cost

₹1.7L – ₹2.3L

Off-Grid System

Price Range

₹3L – ₹3.8L

Subsidy

Not Applicable

Final Cost

₹3L – ₹3.8L

Maximum benefit capped at ₹78,000

You can learn more about how to apply through the solar subsidy process and eligibility requirements.

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How Much Electricity Does a 4kW System Produce?

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A key question homeowners ask is: how much unit 4kW solar system produce?

On average:

Daily Generation

16 - 20 Units

Monthly Generation

450 - 600 Units

The exact output depends on:

  • Geographic location
  • Sunlight availability
  • Panel orientation
  • Installation quality
  • Panel orientation
  • Installation quality

So if you’re wondering again how much unit 4kW solar system produce, the answer is enough to cover a significant portion of a mid-sized household’s consumption, especially during summer months when solar output is at its peak.

Luxury villa with a 4kW rooftop solar plant and a home EV charging station powering an electric car, illustrating a complete sustainable energy ecosystem

Benefits of a 4kW Solar System

Investing in a 4kW solar system offers both financial and environmental advantages.

01

Significant reduction in monthly electricity bills

02

Protection against rising electricity tariffs

03

Low maintenance requirements

04

Long system lifespan

05

Reduced carbon footprint

4kW Solar Panel System Details

A standard 4kW solar panel system includes carefully selected components designed for efficiency and durability.

3kW Off-Grid Solar System

System Components

  • 10 to 12 high-efficiency solar panels
  • Grid-tied or hybrid inverter
  • Mounting structure
  • DC and AC wiring with protection systems
3kW Off-Grid Solar System

Installation Requirements

  • Roof space: approximately 250–350 sq. ft.
  • Shadow-free area
  • Proper structural support

A well-designed 4kW solar panel system, whether it is a rooftop solar system or any other, ensures consistent output and long operational life, typically exceeding 20–25 years.

On-Grid vs Off-Grid Solar System

Understanding system types helps you make the right decision.

FeatureOn-GridOff-Grid
Grid ConnectionYesNo
Battery RequiredNoYes
CostLowerHigher
Best ForUrban homesRemote areas

Now let’s guide you little bit about on grid and off grid solar system.

4kW on grid solar system

A 4kW on grid solar system is the most popular option in India due to lower cost and net metering benefits. It allows you to export excess electricity to the grid and earn credits on your electricity bill, making it highly cost-effective. Since it does not require batteries, maintenance is lower and system efficiency remains high. This setup is ideal for urban homes with stable electricity supply and higher daytime usage.

4kW off grid solar system

A 4kW off grid solar system is suitable where power cuts are frequent or grid access is unreliable. It comes with battery storage, ensuring uninterrupted power supply even during outages or at night. Although the upfront cost is higher due to batteries, it provides complete energy independence. This system is best suited for rural areas or locations with inconsistent grid connectivity.

For most households, the on-grid option delivers better financial returns.

4kW Solar System Installation Process

A smooth 4kW solar system installation ensures optimal performance and compliance with local regulations.

Site survey & feasibility check

Site survey & feasibility check

Application to DISCOM

Application to DISCOM

Approval & Feasibility

Approval & Feasibility

Solar Installation

Solar Installation

Net metering approval

Net metering approval

Subsidy Claim

Subsidy Claim

A professional 4kW solar system installation minimizes errors and maximizes energy generation from day one.

Performance Across Seasons and Long-Term Reliability

Comparison of residential rooftop solar system performance during summer, monsoon, autumn, and winter seasons to show year-round energy reliability

One of the biggest advantages of a 4kW solar system is its ability to perform consistently throughout the year. While generation is highest during summer due to longer sunlight hours, the system continues to produce usable electricity even during monsoon and winter months.

Seasonal variations may slightly impact output, but over a full year, the system balances itself out and delivers stable performance. This consistency ensures that your savings are not dependent on a single season but are distributed across the entire year, making the 4kW solar system a dependable long-term energy solution for Indian households.

Comparison of residential rooftop solar system performance during summer, monsoon, autumn, and winter seasons to show year-round energy reliability
Wide-angle view of a 4kW on-grid solar system installed on a flat concrete roof with a professional mounting structure and integrated solar inverter

Smart Energy Planning for Future Needs

Wide-angle view of a 4kW on-grid solar system installed on a flat concrete roof with a professional mounting structure and integrated solar inverter

Installing a 4kW solar system is not just about solving today’s electricity bills it’s about planning for future energy needs. As households grow, electricity consumption typically increases with additional appliances, EV charging, or higher AC usage.

A well-planned system gives you the flexibility to manage rising demand without facing a sharp increase in grid dependency. By investing in the right system size today, homeowners can avoid the need for frequent upgrades and ensure that their energy setup remains efficient, scalable, and cost-effective for years to come.

Why Choose Sunboost Energy?

The professional installation and consulting team of Sunboost Energy standing in front of a solar project, representing expertise in rooftop solar solutions

Selecting the right installer is as important as choosing the system size. Sunboost Energy brings over a decade of experience in delivering reliable solar solutions across India.

  • 10+ years of industry expertise
  • High-quality components from trusted brands
  • Experience installation teams
  • End-to-end support from design to commissioning
  • Strong after-sales service

Our focus is on building systems that perform efficiently over the long term, not just completing installations.

The professional installation and consulting team of Sunboost Energy standing in front of a solar project, representing expertise in rooftop solar solutions

Customer Feedback

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Neat & Clean Solar PV Installation has been completed by Sunboost Energy. Very professional approach & polite behaviour by installers. I recommend Sunboost Energy to everyone.

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Milan Chudasama

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Exceptional Solar Installation Experience! I recently had the pleasure of working with Sunboost for my solar panel installation, and I couldn’t be more satisfied with the entire experience. From the initial consultation to the final installation, the team demonstrated exceptional professionalism, knowledge, and customer service.

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Excellent service and installation. We are very happy with the overall experience from sunboost energy. Highly recommend this company.

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Excellent response and best service provided. Good Luck for their future.

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very much satisfied with Sunboost solar energy.mr parth m patel is sincere and helpful for pre and post installation guidance.

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We recently had a solar system installed by Sunboost Energy. All the staff sent by the company were courteous, tidy and skilled. Satisfactory performance was done on time.

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I have install 4.32 solar system by Sunboost Energy before a months ago. it gives very good generation, specially thanks to Patel Maulik who gave us knowledge about solar. I m happy and satisfied by Sunboost Energy family.

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I had recently installed a solar system from Sunboost Energy Group. I am very much satisfied with the service quality of the team, as prompt feedback is received from the team whenever required. The product and details are well explained, and I got a good quality product. I am thankful to Mr. Maulik Patel and Mr. Mouly Purohit, who had executed the project.

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Yash Loonawat

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5.70kW installation complete. Very good work. I’m satisfied. Mr. Maulik Patel is completely supportive. Sunboost energy is very good. Whole experience is excellent. That's why I'm giving 5 star rating.

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Takhatsinh Solanki

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Satisfactory service and the installation is neat and clean. After sales service is also amazing. I can recommend them to anyone who wants to install solar.

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Parth Patel

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3.42 kW installation is completed. Good job from Sunboost energy. I recommend Sunboost energy for quality solar system.

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Ilyas Shekh

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Sunboost energy has installed the solar system at our home quite well. The quality of workmanship is very good. The Engineer Mr. Maulik Patel also nicely connected the inverter through an app.

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I recently installed solar system with Sunboost energy. From start to end, all the work was done with perfection. Satisfactory quality and timely installation. Thank you.

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Sunboost energy has installed the solar system at our home quite well. The quality of workmanship is very good.

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Geeta Thakkar

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Very good service. And support. Fast installation.

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Excellent service and installation. They gave complete guidance and satisfactory answers to all your problems.

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I highly recommend Sunboost Energy to anyone considering solar for their home. Team was knowledgeable, friendly, and completed the job on time. Big thanks to Dipti ma'am for her constant support throughout the process.

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There are no words to describe the support and effort of the sales, installation, and administration teams. Special thanks to Vipul Thakkar and Mauly Purohit. Thank you all, and a well-deserved recognition.

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Ankit J. Shah

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Very good service. Prompt, quick and very reliable. Sunboost Energy team installed Solar roof top in very short time with very good accuracy. Thanks to entire team. Special thanks to liaising team Mouly Purohit, Hetal and Darshan. They followed up continuously with Govt dept. for subsidy. All the credit to Harshil and Kaivan Shah for answering my all the queries in no time.

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Samir Shah

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Very good service. Prompt, quick and very reliable. Sunboost Energy team installed Solar roof top in very short time with very good accuracy. Thanks to entire team. Special thanks to liaising team Vipul Thakkar. All the credit to Vipul Thakkar, for answering my all the queries in no time.

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Good service and full support by Vipul Thakkar. Special thanks for all team. Sunboost Energy PVT LTD employees support the until the end.

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Thank you for good service and instant installation. Kaivan Bhai was here on time and resolved the query very fast. I would highly recommend them to new clients.

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Dinesh Solanki

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Excellent service and great satisfaction. Strongly recommended.

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Himanshuray Jaha

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Very good service and very cooperative team specially miss Dipti is very supportive till my installation complete.

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Aamir Mansuri

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Excellent service and fast installation. Bau sari advice api. Sanketbhai and kaivanbhai ae khub sahakar apyo ae mate dhanyavad.

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Azaz Saiyed

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Very fast installation. Compared to other company's in the market. Harshbhai are Saras Kam Kari apyu.

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Hiraben Gohel

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I recently had a solar power system installed by Sunboost Energy. My experience excellent with company. The installation work completed within 15 days and Subsidy was credited within 25 days. Special thanks to Mr. Sanketbhai for made the process much easier.

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Manoj Sharma

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Thank you Sunboost energy for the successful installation of solar power project at my residence in Dholka. I highly recommend this company for quality installation, performance and service. Special thanks to Mr. Sanket Vyas for coordinating with UGVCL and completing my project in short duration.

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Harshraj Vala

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Sunboost has Excellent installation team and their timely service is upto the mark. I have already recommended Sunboost to many of my friends and their installations are also done with utmost perfection. All credits to Sanket Vyas and Sunboost team. 🤩

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Abhirajsinh Vala

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Good services and fast setup by Sunboost

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Excellent work

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Excellent work and very very nice person in nice company and very very nice service

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Sun boost very good solar system unit generaton is excellent parth patel was my service provider providing excellent service and keyur patel head was also very helpul in providing detail service information Overall one can trust sun boost 👍

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Parakramsinh Solanki

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Best work with great quality and team is so nice

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Miskha International

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We recently had a solar system installed by Sunboost Energy. All the staff sent by the company were courteous, tidy and skilled. Satisfactory performance was done on time.

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Kishor Mehra

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Very good service. Prompt, quick and very reliable. Sunboost team installed Solar roof top in very short time with very good accuracy. special thanks for all team. sunboost pvt LTD employees

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Dhrru Barot

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A 5.7 kW solar power system has been installed recently at my home by SunBoost Energy, and the overall experience was excellent. The installation was perfect and completed within the stipulated 20-day timeline. The process and deposition of government subsidy was made in very short time. I am thankful to my sales coordinator Mr. Parth, for his consistent negotiation in early phase and persistent support after confirmation of the order. The eraction of the structure was perfect and the installation of inverter and electrification was satisfying. The completion of the entire process by Mr. Parth was done wonderfully well. The system is functioning very well and generating good power units. Android application is very good and we can keep tracking the system from anywhere in the world. I strongly recommend SunBoost Energy for their professionalism and customer service!

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Sanjay Prajapati

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Sunboost Energy India is truly leading the renewable energy revolution! Their service was absolutely amazing. Special thanks to Mouly Purohit Sir for the smooth and hassle-free support provided during the installation of our solar system. What impressed me the most is that the government subsidy was received within just 5 days after completing the process all thanks to Mouly Purohit Sir’s proper guidance and continuous support. I highly recommend Sunboost Energy India and especially Mouly Purohit Sir to anyone planning to go solar. Their professionalism, transparency, and efficiency make the whole journey effortless and trustworthy.

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Jennifer Raikwad

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Thank you Sunboost energy for the successful installation of solar power project at my residence I highly recommend this company for quality installation, performance and service.

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Natverji Thakor

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good service and excellent inspection special thanks for all team. sunboost pvt LTD employees support the until the end.

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Dilip Thakor

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Sunboost very good solar system unit generaton is very excellent the staff sent by the company were courteous

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Thakor 123

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Happy customer Good service and good inspection by harsh sharma and monti desai

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KISHAN THAKOR

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Mr pavanbhai sora

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HARSH TRONICS

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Excellent

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Pankaj Kapadia

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Very good staff thankyou

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Ashrafhusen Bukhari

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I recently had a solar power system installed by Sun Boost Energy, and the overall experience was excellent. The installation was completed Special thanks to my sales executive, Mital Manavar, for his clear communication, helpful guidance, and regular follow-ups. she made the entire process much easier and faster Highly recommend for solar installation the one only one company SUN BOOST ENERGY company THANK YOU SUNBOOSTENERGY THANK YOU MIITAL MANAVAR

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Deepak Rathod

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Great service and great work.

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Manav Sharma

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Sunboost Energy is a professionally managed Solar Company who is dealing in Solar Rooftops of Adani, Waree, Renew Panels. I have got my 4.6 KW Adani Bifacial Modules installed at my home from them. They are really honoring their commitment right from delivery to installation and commissioning. Very Happy with their service. Sales Person: Mr. Kaivan Shah is one with whom I interacted and closed the deal. He was very good knowledge about the product and helped me to select the correct wattage of Modules required for my home. Thanks to him for his approach and for the reason My panels are generating enough to have zero bill and getting credit every month now. I wish all the best to him and entire staff of M/s Sunboost Energy.

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Deep Chowdhury

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Bau saras kam karyu, ekdam speed ma installation. Neat and clean work. Superb service

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Hitesh Bhavsar

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3.27 kw installation complete. Very good work. I m satisfied. With Sunboost engery is completely supportive. Sunboost energy is very good. Whole experience is excellent. That's why I'm giving 5 star rating.

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Bhavini Parekh

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Service is good and fast

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Hirensinh Vaghela

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I have recently applied solar from sun boost energy pvt ltd. It was amazing experience form company. I am very satisfied with solar system.

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Patel Harsh

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Best service and quick response solar boost energy 👏 👌

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Dev Thaker

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WE HAD A GREAT EXPERIENCE WITH SUNBOOST. VERY GOOD SUPPORT

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Arpan Bhatt

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Good work

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Bharat Nayi

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Great service

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Dodiya Rakesh

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Great work nd service

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Ganesh Solanki

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From delivery to installation, the team was very supportive and professional. Swarangi mam was very helpful, and the service was completed on time.

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mohan gangji

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Very good experience with Sun Boost Energy. The solar installation was done on time and the work was very neat. Swarangi mam was very supportive and cooperative throughout the process and helped us whenever needed. Overall, everything went smoothly. I would definitely suggest Sun Boost Energy for solar installation.

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jaykuamar kaswa

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Sunboost Energy helped us complete our solar installation very smoothly and efficiently. The entire process was easy and well managed. Yash Sir guided us throughout and provided the best possible solution based on our requirements. We are extremely happy with the installation and truly appreciate the good quality workmanship. Highly recommended Sunboost Solar for their excellent service and support.

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Rahul Dixit

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Sunboost Energy made our solar installation process smooth and efficient from start to finish. The entire process was simple and well-coordinated. Yash Sir guided us at every step and suggested the most suitable solution based on our requirements. We are extremely satisfied with the installation and truly appreciate the high-quality workmanship. We highly recommend Sunboost Solar for their excellent service and reliable support.

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Vaishnavi Vajire

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excellent service and support. Nikesh and vipul gave great service.

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Psp Patel

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I had a solar system installed by them, and I couldn't be more happier with the experience. From the initial consultation to the final installation, their customer service was top-notch. Mainly Parth Patel & Nikesh Patel, They were incredibly responsive to all my questions and made the whole process seamless. The installation crew was professional, punctual, and respectful of my property. Whenever I’ve had a quick question or needed help making sense of my new electricity bill, their customer service team has been incredibly responsive, polite, and knowledgeable. Highly recommend them to anyone looking to switch to solar.

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Nirav Patel

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Smooth working system and process

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Vipul Thakkar

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Recently got my solar system installed from Sunboost Energy, and the overall experience was smooth and professional. The installation team was knowledgeable, punctual, and completed the work efficiently. A special thanks to Deepti for handling my case so well throughout the process. She was very supportive, responsive, and guided me clearly at every step, from documentation to installation updates. Really appreciate the excellent customer service and coordination. Happy with the service and looking forward to the savings with solar energy!

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Yashwant Varma

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I recently purchased [Solar/Sunboost Energy] and couldn't be happier with my experience.The process was smooth, delivery was prompt, and the quality exceeded my expectations.[ Staff Dipti Medam And Team ]was incredibly helpful.Highly recommend this company to anyone!" ❤️🫶🙌 ⭐️⭐️⭐️⭐️⭐️

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Patel Pratik

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Very nice experience with sunboost team. The team is dedicated for customer satisfaction.

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Vikas Kurmi

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We recently had our solar panels installed at our plant and we are totally satisfied for everything. From the consultation to the final installation, everything was very easy and smooth. We specially thankful to Parth Patel, for his fantastic support and for making this such a positive experience. We recommend Sunboost Energy to everyone who are searching for best solar system. Thanks.

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PARESH PATEL

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i really appreciate the work of sunboost team

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Ansari Raees

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my experience with sunboost was really great.

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Apurva Patel

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Sunboost energy provide super fast service. They are doing perfect and fully satisfied work. Teams are well behaved and technical sound.

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suresh patel

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Good service and very fine company

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ANIRUDDHABHAI VALAND

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Good panel and Good work Excellent

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Alpesh Patel

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Hi I am Dinesh patel from Mehsana I am satisfied with work and services is very great 👍

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Sumit Patel

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તમારું કામ ખૂબ જ સરસ અને પ્રોફેશનલ લાગ્યું. ટીમનો સપોર્ટ સારો હતો અને સમગ્ર પ્રક્રિયા સરળ રીતે પૂર્ણ થઈ. ખાસ કરીને તમારી સર્વિસ અને સમયસરના પ્રતિસાદથી હું સંતોષ અનુભવું છું. આભાર Sunboost Energy ટીમ! 😊

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Rohit Thakor

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Sunboost energy helped us complete our solar installation very smoothly and efficiently. The entire process easy and well managed. We are extremely happy with the installation. I will highly recommend sunboost solar for their fabulous service and support.

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JAiMiN Patel

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I have installed a solar system from sunboost energy They installed the system within 20 days, and I’m really happy with their service. Swarangi coordinated with us throughout the process, and we are very satisfied. I would highly recommend installing a solar system from sunboost energy

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Vishal Nivangune4070

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I installed a solar system from Sunboost Energy. Their service and work is excellent. Also, Swarangi Madam explained the entire system in a very nice manner. We are very happy with their work.

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Sarika Nivangune

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Sunboost Energy Solar is very nice. The whole experience was fast, easy, and hassle-free. They treat their customers with honesty and respect. Swarangi guided us very well throughout the entire process and explained everything clearly. Installing a solar system from Sunboost Energy was one of the best decisions

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Sachin Nivangune

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Sunboost Energy delivered a smooth and hassle-free solar installation. Special thanks to Yash for his excellent support and guidance.

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hrudyanath kulkarni

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I have installed 3 kW solar in my house from sunboostenergy. Their team has done a very good job. Also, Swarangi madam guided us very well. Since installing solar, our light bill has also reduced a lot. Solar should definitely be installed.

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Sudhakar Kumbhar

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Very good. service...sunboost solar.and staf..very halp fully customer service

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Solanki Parbatsinh

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The sunboost energy team installed a 3kW system at our home. Swarangi and the Sunboost Energy team were very polite and extremely good at their work. The entire installation was completed smoothly and professionally. We are happy with their service and would recommend them to others as well.

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Devidas Khandve

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We had a solar system installed by Sunboost Energy some time ago, and it has been working very well. From installation to usage and any support needed afterward, Mr. Nikul bhai has provided excellent assistance. If anyone is planning to install a solar system, I would recommend contacting Nikul bhai first.

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nausadahmed ansari

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We are extremely satisfied with Sunboost Energy and the installation process. Yash played a key role in making everything simple and well-managed.

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Laxman Jawane

FAQs

The average 4kW solar system cost in India ranges between ₹2.4 lakh to ₹3 lakh for on-grid systems. After subsidy, the final cost can come down to around ₹1.7 lakh to ₹2.3 lakh, depending on installation and component quality.
A 4kW solar system requires approximately 250–350 sq. ft. of shadow-free rooftop space. Proper panel direction and installation ensure maximum efficiency and output.
A complete 4kW solar system installation usually takes 5 to 10 days, including site survey, approvals, installation, and net metering. Timelines may vary slightly based on DISCOM approvals.
Savings depend on your electricity usage and local tariff rates. A 4kW solar system generates around 450–600 units per month, which can significantly reduce your summer electricity bill, when consumption is usually highest due to AC usage.
A 4kW solar system generates approximately 16–20 units per day and 450–600 units per month, depending on sunlight, location, and system performance.
A 4kW solar system typically requires 10–12 solar panels, depending on panel wattage and efficiency.
A 4kW solar system can generate approximately 5,400 to 7,200 units per year, depending on location and sunlight availability, helping homeowners significantly reduce or even approach a zero electricity bill with optimized usage.
Yes, subsidy is available for residential 4kW solar systems under government schemes, with benefits up to ₹78,000. However, many users face delays due to common Solar Subsidy Application Mistakes, so proper documentation and approved installation are important.

Start Saving with a 4kW Solar System Today

Electricity prices will continue to rise, but your energy costs don’t have to. A 4kW solar system gives you control over your power consumption and helps you save consistently for years. With subsidy benefits available and faster return on investment, now is the right time to switch.
Get a free consultation and discover how much you can save with a customized solar solution tailored to your home.

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