Solar water heaters have a lifetime of 15 to 40 years. This is normally the case with conventional systems also. But the difference between the two is that solar water heaters, once installed, can be used at zero energy cost. This means essentially you will have free hot water during its lifetime.

SOLAR WATER HEATER VACUUM TUBES WITH DELIVERY US $700.00

200 Liter 20 Vacuum Tube Preussure Passive Solar Water Heater System SRCC Tank US $1,199.00

20 HEAT PIPE SOLAR HOT WATER HEATING EVACUATED TUBE COLLECTORS / HEATER US $494.00

Solar Water Heater,80 Gal.,Stainless Steel, Closed Loop US $2,795.00

Solar Water Heater, 40 Gallon, Smart Controller US $1,895.00

Solar Water Heater Retrofit System US $2,030.00

Solar Water heater Pumping System with Expansion Tank US $300.00

100 Solar vacuum water heater tube boil water with sun US $899.00

COMPLETE SOLAR WATER HEATER SYSTEM RTO US $8,399.00

Solar Vacuum Tube Collector- 20 Tube Solar Water Heater US $1,025.00

Solar Vacuum Tube Collector- 30 Tube Solar Water Heater US $1,250.00

Hurras Vacuum Tube Solar Water Heater Collector 20 Tube US $545.00

Hurras Vacuum Tube Solar Water Heater Collector 30 Tube US $745.00

SRCC Certified Flat Plate Solar Panel Solar Collector Solar Hot Water Heater US $950.00

Thermosyphon Solar Water Heater 80 Gallon w/SS Liner 30 Tube Solar Panel & Frame US $1,550.00

Solar-Water Heaters.info ONLINE WEB DOMAIN FOR SALE/SUN/ENERGY/COLLECTOR/KIT US $250.00

Solar Water Heater Retrofit System (use your electric H2o tank &Solar collector) US $2,200.00

200 Solar vacuum water heater tubes -- boil water with sun! US $1,598.00

Steam Engine 5 HP Solar Water Heater Solar Power US $2,800.00

Steam Engine 8 HP Solar Water Heater Solar Power US $3,200.00

1000 Solar vacuum water heater tubes - Boil water with sun! US $7,900.00

Steam Engine 10 HP Solar Water Heater Solar Power US $4,000.00

Steam Engine 18 HP Solar Water Heater Solar Power US $5,200.00

Steam Engine 40 HP Solar Water Heater Solar Power US $7,800.00

500 Solar vacuum water heater tubes -- Boil water with the sun! US $3,999.00

200 Solar vacuum water heater tube boil water with sun! US $1,598.95

500 Solar vacuum water heater tubes - Boil water with sun! US $3,999.95

1000 Solar vacuum water heater tubes -- Boil water with the Sun! US $7,900.95

80 Gallon Solar water heater US $1,299.00

Evacuated 18 Tube Solar Hot Water Heater Collector SRCC US $725.00

Evacuated 30 Tube Solar Hot Water Heater Collector SRCC US $1,095.00

50 Gallon Solar water heater US $999.00

Do It Yourself Solar Hot Water Heater up to 90,000 btu US $575.00

100 Solar vacuum water heater tube boil water with sun! US $899.95

Solar water heater, Solar water heating, evacuated tube US $1,195.00

150L 18 Tube Solar Water Heater System SRCC Gas Backup US $1,995.00

400 Liter 48 Vacuum Tube Solar Water Heater System Electric Backup SRCC US $3,395.00

Steam Engine 2 HP Solar Water Heater Solar Power US $1,300.00

Solar Hot Water Heater Evacuated Tube Collector SRCC US $890.00

Solar Water Heater,66 Gal.,Stainless Steel, Closed Loop US $2,595.00

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The attraction for a solar water heater is that the savings in electricity or natural gas will return its cost within four to eight years.

There are other advantages also for using solar water heating system. These are in the form of tax credits offered by the government.

In fact, the government began offering homeowners tax credits of up to 30% (or $2,000) of the cost of installing a solar water heater in 2005. The tax credit is available to homeowners and not for swimming pool or hot tub heaters. You need to produce a certificate from the Solar Rating and Certification Corporation to get the tax credit.

According to the US law, installation of a solar hot water heater in an existing house requires a building permit from the Municipality.

The U.S. Department of Energy says that zoning and building codes relating to the installation of solar water heaters usually reside at the local level. Therefore, the consumers should be sure to research the standards for their own communities and hire a certified installer familiar with local requirements.