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FAQ We are here to help!

Solar: The Technology
There are many financial and environmental benefits of going Solar :
Make Money From Sun
Solar Grid Tied system generates electricity by converting light energy to electrical energy. The generated electricity is sent back to the grid which reduces electricity bill of our clients.
Free Electricity for 25 years
Solar panels have a 25 years output warranty. Therefore, once installed they generate free electricity for 25 years.
Return on Investment
An average Indian home can have a payback period of 4 years on their solar panel system and ROI of more than 25%.
Environment Friendly
The most well known fact about solar energy is that it represents a clean source of energy. Solar power is a great way to reduce your carbon footprint. Moreover, 1 kW of solar power system is equal to planting 154 trees.
Solar rooftop systems installed by ZunRoof are durable and effective. The panels comes with an output warranty of 25 years.
Over the years, people have come up with many innovative uses of Solar technologies. In India, primarily 3 types of system are available:
1. Grid Tied System
This system works only with the electricity grid without batteries. Although, this system has no power back-up but is much cheaper and has no recurring cost. Government backed subsidies reduce the cost further. This system is ideal for cities where there is little to no power cut.
2. Off Grid System
This system works without the electricity grid and has power backup options. This is ideal for cities where there is no connection to the grid.
3. Hybrid System
As the name suggests, it is a combination of Off Grid and Grid Tied system. It works as a Grid Tied system when electricity is available and works as Off Grid in case of power cut. It has batteries to store energy. It is the most expensive of the 3 systems. It is ideal in cities where there are frequent power cuts.
Output from Solar PV system is dependent on intensity of light and duration of the day. In rainy and winter seasons, output is slightly lower but still the system works smoothly as sunlight is available most of the time.

Systems are provided with 5 years maintenance. Panels and Inverters have long term warranties in place.

We provide regular checks to ensure that solar panel production is optimal. Cleaning of solar panels to remove dust will ensure a hassle free usage.

Hybrid and Off Grid systems are designed to work during power cuts. They have batteries to store electricity and provide backup during power cuts.
Grid Tied system don't provide back up as it needs reference voltage from grid and they have no batteries to store electricity.

Never attempt to fix or repair your solar rooftop system. Your solar rooftop system contains high voltage electric current and contact can result in burns, sparks and lethal shock.
Do not disconnect wires, open electrical panels, or modify/damage the equipment in any way. Contact ZunRoof Customer Support to perform repairs.

If you do need to make repairs on the roof for any reason, your solar panels may need to be removed and reinstalled.
Please contact ZunRoof Customer Support if you want to start this process.

Shadow on solar panels can cause loss in production. During Solar design and installation, ZunRoof ensures there is no shadow on your solar panels.

Cleaning your panels of dust will improve your system performance. Rain will help rinse your panels clean. Ordinarily, you can clean the panels with a water hose to remove accumulated dust. You only need to rinse the glass cover of the panels — do not attempt to clean the wiring underneath the panels.
How often you clean the system depends on the season. You may need to clean more often during the summer seasons when there is more dust in the air and fewer rain showers to rinse the panels clean. For better results, you can checkout power washers on our e-commerce portal (

If your inverter displays an error message, contact ZunRoof Customer Support. One of our experts will gather the necessary information to ensure that we’re able to repair your system as quickly as possible.

The ZunRoof App gives you real-time and historical visibility into your solar production.

Your solar panels generates electricity through light energy form Sun and therefore can still generate electricity on cloudy days, since even diffuse sunlight can activate solar power production. Solar panel output on a cloudy day may be less than on a cloudless day but will still often provide a meaningful amount of electricity.


We are a home-tech start-up, powered by a mix of Image Processing, VR, IOT and Data Analytics.
We are solving energy issues of India by using un-utilised rooftops for solar, providing sense and control of every appliance in one's house.
We have lots of unique features
ZunRoof is a cleantech company whose mission is to utilize all urban rooftops with solar power systems.
1. Best Quality and Prices Guaranteed
ZunRoof provides price guarantee to all of our clients. If you’re able to find a price quotation lower than us with the same quality, we will not only match the price but will give you 1% discount on the lowest quotation.
2. Assured Subsidy
ZunRoof ensures that all our clients get applicable subsidies from various Central and State Government organizations.
3. Real-Time IOT-Powered Solar Monitoring: ZunRoof App
All our clients get free access to our ZunRoof app. Our app answers all client question in a single place, from estimation of system size through bill analysis, update on process during installation and monitoring of output after installation. All of these features are complimentary for our clients
4. System design
Our all IITian design team ensures all electrical and civil designs of our systems are compliant with our Government norms to ensure durability and safety.

ZunRoof founding team has more than 30 years of work experience. With more than 500 installations in less than 2 years, we are the largest Solar solution provider in India. We are proud to have served more than 75,000 clients till date.

ZunRoof is present in all major cities in North India. Please find below comprehensive list of cities: Delhi, Gurgaon, Faridabad, Sonipat, Panchkula, Ballabhgarh, Noida, Greater Noida, Ghaziabad, Meerut, Agra, Mathura, Lucknow, Kanpur, Jaipur, Indore, Ahmedabad, Gandhi Nagar, Haridwar, Chandigarh, Mohali, Ludhiana, Jalandhar

The best way is to give us a call at +91-920-569-5690, our solar experts will ask you some basic questions and you will know whether you should go for rooftop solar systems or not.

Contact ZunRoof Customer Support.

Just check the ZunRoof app periodically.

Yes, we will work with you through the entire process from design, delivery and diagnostics (maintenance).

Please reach out to one of our Solar Roof specialists by requesting a callback.


Yes , it is possible to get loans from banks but quite difficult for solar projects. If you take a loan from bank the rate of interest will be in between 10-13% but Zunroof provides loans at 11.99%. Moreover, 4 % cash back is given by Zunroof after 1 year.

ZunRoof caps the interest rate at 10.99%. If our partner charges more for the loan, we give the difference in interest amount as cashaback

Loan tenure is fixed at 1 year.

There is no collateral at all :)

The answer depends on the size and location of the system. When you schedule a solar site assessment, our engineers visit your premises, they analyse the feasibility of solar system on your rooftop, impact of shadow along with your electricity usage patterns. Based on this, they design 3D and structure layouts to determine the most optimized system size for you.This information also helps determine the availability of state and central subsidies.