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Solar Thermal

Solar water heaters use the solar energy from the sun to generate heat (not electricity) which can then be used to heat water for showering, space heating, industrial processes or even solar cooling

Solar energy is the primary energy source for our planet as it is responsible for providing energy for plant growth (photosynthesis) and providing the warmth that makes our planet habitable.


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Solar Photovoltaic

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What Is Solar Energy
The sun provides massive amounts of renewable energy that can be harnessed to provide us with heat and electricity, the two key requirements for running the modern world.

The amount of solar energy that falls on the Earth in just one hour is enough to power the world for a whole year.
Climate Change
Fossil fuels such as gasoline/petrol, diesel, LPG, coal and natural gas power much of the modern world.  These materials are burnt to release the energy contained in the carbon atomic bonds, but there are harmful byproducts, a major one being CO2. Increased CO2 levels in the atmosphere act like an insulating layer, trapping heat and like a greenhouse and causing the earth to gradually warm. This occurrence is commonly referred to as Global Warming, and is a key factor behind the Climate Change our planet Earth is experiencing.

Climate change is something that impacts all humans. The effects are many and varied but in general terms it brings more extreme and erratic weather patterns... Things that directly effect the life, safety and prosperity of the human race.

For more information on climate change, please visit these reputable sites:


Unfortunately strong lobbying of many governments around the world by those who profit from continued use of fossil fuels has resulted in a severe lack of action to reduce CO2 emissions and curb further global warming by those with the responsibility and power to do so.

Fortunately there is a growing wave of awareness and action to implement technologies and practices to reduce CO2 emissions, and to move the world towards using a more sustainable energy mix. Greentek India ranges of solar thermal products are a part of that clean energy mix. Greentek India products are an effective way for ordinary businesses and households to directly reduce their own carbon footprint and help become part of the solution!
How much CO2 can be saved?
By using renewable energy sources such a Solar Thermal, Solar PV, Wind, Hydro and Geothermal, reliance on fossil fuels can be minimised, thus directly reducing CO2 emissions.

On average, for every 1kWh of grid electricity from non-renewable energy sources, 0.537kg / 1.2lbs of CO2 is produced, and burning natural gas for water heating produces about 0.185g / 0.5lbs of CO2 for every kWh (not including production and delivery embodied carbon).

In the average household, water heating accounts for around 30% of CO2 emissions. Installing a solar water heater can provide between 60-80% of a household's hot water heating energy needs, and reduce CO2 emissions by more than 20%. If offsetting electricity from non-renewable sources.

A solar thermal collector is therefore an excellent way to reduce your household's carbon footprint.


Reference data:
1. Solar collector CO2 saving 1516 kg / 3335 lbs per year, calculated based on 2200kWh output per AP-30 collector per year and 0.689kg / 1.5lbs of CO2 per kWh grid electricity offset
http://www.epa.gov/cleanenergy/energy-resources/refs.html

2. Midsized modern car CO2 output of 150gm per km / 0.33lbs per mile http://www.energy.eu/car-co2-emissions/.

3. A medium growth coniferous tree, planted in an urban setting and allowed to grow for 10 years, considering survival factors, sequesters 10.54kg / 23.2 lbs of carbon or 39kg /  85lbs CO2
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