Having a solar water heater would allow you to save electricity and thus money. It is additionally your means of doing your bit for the nice of the environment. In the long term the value of electricity would become more expensive with the expected rise in fuel prices. Moreover, you will be facing a scenario of irregular power provide in your part of the country. For these reasons, a solar heater would enable you to have hot water even when the ability supply is cut whereas at the same time get pleasure from savings off your electricity bill.
How does one determine a excellent solar water heater?
A sensible solar heater should have sufficient collector area for the capability claimed. Typical flat plate collectors made within the country have an area of around 2sqm and are capable of heating around one hundred litres of water in a very day to a temperature of 50 – 60C. Collectors should use excellent quality materials and also the absorbers ought to carry a smart quality coating (BIS approved). The system should be mounted on a rigid structure and should be firmly mounted with the roof to stop injury in high winds. solar heaters fulfill all the factors required of a excellent solar water heater.
What are the factors that you should look out for in the installation of a solar water heating system?
Of the house, for the simple purpose of receiving unobstructed sunlight or shadow free area. The collectors of the system should face the sun and hence ought to be oriented due south for most interception of sunlight. there should be no obstruction to daylight within the south, west and east directions in that order of preference (an arc of about 120, 60 each sides of the southern direction should ideally be shadow free). As a rule of thumb, the requirement of shadow free area is around 3 square m for each 1m x 2m collector used. the realm should be flat, aloof from rain water drains and close to the bogs where hot water is to be supplied. Cold water should be accessible at the peak of around 2.5m from the bottom of the system.
Can the solar water heater be installed somewhere different than on the roof?
Yes, the solar water heater can also be installed on a bracket on a south facing wall and open ground with mess protection, shut to the bathrooms. vital things to note is the access to the system for repairs and proximity to the use point.
Does the solar water heater function even on cloudy days?
On partially cloudy days, the solar water heater would still work but not at its optimal level. On balance, the solar water heater system will be designed with a suitable electrical make a copy heater to take care of hot water demand on cloudy days. solar heaters are equipped with electrical back-up.
How long can the water stay heated by a solar water heater?
A solar heating system comes with an insulated storage tank which would limit heat loss. The hot water in the insulated tank should stay hot while not vital drop in temperature for around 24 hours.
Does the Indian government give money incentives to defray the value of a solar water heater system?
Incentives are available from the government. The Central Government through its Ministry of New and Renewable Energy provides soft loans @ 2% to domestic users, three% to institutional users not availing accelerated depreciation and five% to industrial/business users availing depreciation from Indian Renewable Energy Development Agency, public/non-public sector banks, scheduled cooperative banks, RBI approved no banking financing firms, intermediaries and other public/personal financing institutions. The borrowers will be eligible for loan up to 85% of the price of the systems, repayable over a period of 5 years. Please check these incentives at the time of buy as the above mentioned is subject to revision by the State.
Most domestic solar heating systems are installed on the roof of the house for the straightforward purpose of receiving unobstructed daylight or shadow free area. The collectors of the system must face the sun and hence should be oriented due south for maximum interception of sunlight. there ought to be no obstruction to daylight within the south, west and east directions in that order of preference (an arc of about one hundred twenty°, 60° each sides of the southern direction should ideally be shadow free). As a rule, the requirement of shadow free space is around three sq. m for every 1m x 2m collector used. the world ought to be flat, off from rain water drains and shut to the loos where hot water is to be supplied. Cold water should be available at the peak of around 2.5m from the base of the system.
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