From the category archives:

Solar Heating

November 16, 2009

Comparing Solar to Conventional Water Heaters

Compare Solar to Conventional Water Heater

SOLAR WATER HEATER:
FREE energy from the Sun

STANDARD WATER HEATER:
COSTLY gas or electric

Annual operating cost: $50
Annual operating cost: $500-900

Storage Capacity: 80-120 gal
Storage Capacity: 40-50 gal

Life expectancy: 15-30 years
Life expectancy: 8-12 years

Lifetime operating cost: $1,000
Lifetime operating cost: $12,000+

Does NOT pollute environment
Depletes fossil fuels

Increases equity in your home
No added value to [...]

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November 9, 2009

Federal and state high efficiency Incentives.

Geothermal

State incentives: http://www.dsireusa.org/index.cfm
Regional / National
Rebate Information:
For more information on energy tax credits, visit: energytaxincentives.org
For more information on your local tax credits, rebates and incentives, please visit: www.dsireusa.org and www.aceee.org
Local utilities: Across America local utilities are joining Federal and State Government to offer incentives in the form of rebates for going solar. Check with your local utility and [...]

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November 9, 2009

Solar Savings!

Solar Heating

Your Water Heater May Use More Energy
Than Anything Else in Your Home!
With a 30% Federal Tax Credit, many state incentives, huge increases in energy costs, 4 to 5 times the power density of Solar Electric PV and the great need to stop pollution and global warming, there has never been a better time to [...]

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November 9, 2009

What you need to know to go solar.

Solar Heating

1. Southern Orientation – Since the sun rises in the East, crosses over the horizon on the South and sets in the West, you want your collector to face as much to True South on your roof as possible. This is especially true for space heating where you need to be within 15 degrees [...]

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November 9, 2009

Going Solar.

Solar Heating

Solar Water Heaters have always been the first step when “going solar” due to low cost and high power density. The weight of conventional collectors made the installation very difficult and expensive until the advent of new light weight, affordable collectors. All the new efficiently designed solar thermal systems will save you money on energy no [...]

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November 9, 2009

Solar water heaters, & foreign policy

Solar Heating

Flat-plate collectors for solar water heating were around in Florida and Southern California in the 1920s. However Levi Yissar built the first prototype Israeli solar water heater in 1953 when he started NerYah Company, Israel’s, and Europe’s first commercial manufacturer of solar water heaters.
During the 1960’s there was some resurgence of interest in solar heating [...]

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September 23, 2009

How a solar water heater works.

Solar Heating

Solar water heaters do three basic operations before the hot water comes out of your faucet:

1. Energy Collection: Sunlight, short wave energy, is collected and converted to heat which is long wave energy. The solar collector is mounted on or near your home facing south. As the sunlight passes through the collector’s plastic or glass [...]

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