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Water Heating

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How Solar Water Heating Works

A closed loop system utilizes a propylene glycol liquid to protect against freezing and hard water. The sun warms the liquid in the solar collector on the roof.

The liquid is pumped down to the solar tank where the heat exchange transfers the heat to the domestic water.

As you use hot water in your home, the hot water in the solar tank flows into your existing water heater. Because the water is already hot, your water heater doesn't have to work as hard.

The solar station monitors the temperature of the liquid in the collectors on the roof compared to the water temperature in the solar tank and continues the transfer process until the desired temperature is reached.

The solar hot water is ready for use in the home.


Lock in your energy rates for the next 25 years

Source: Department of Energy (historical rates) and 5% annual increase applied for forecast.

Source: Department of Energy (historical rates) and 5% annual increase applied for forecast.


Increase the value of your home

Source: U.S. Department of Housing and Urban Development

Source: U.S. Department of Energy


Make a difference in your environment!

The average residential solar water heating system eliminates 125,000 pounds of carbon dioxide over its lifetime. This is equivalent to:

10 Cars

Annual greenhouse gas emissions from 10.4 cars.

7.9 Homes

CO2 emissions from the electricity use of 7.9 homes.

1,454 Seedlings

Carbon sequestered by 1,454 tree seedlings grown over ten years.

2,362 Propane Tanks

CO 2emissions from 2,362 tanks of propane
cylinders used for home barbeques.

Financial Benefits

The system is able to generate about 1,860 gallons of hot water a month for your home. Most customers see a 75% reduction in their annual natural gas costs. The average natural gas bill drops from $350 to $70 with a solar water heating installation. The average electricity bill drops from $463 to $93 a year with a solar water heating installation. On average, the savings yield a 10.27% annual ROI (electricity). On average, the savings yield a 7.8% annual ROI (gas). Your appraised property value will increase on average, by $5,600 (gas) and by $7,400 (electricity) without impacting your property tax assessment. Up to 50% of solar thermal system costs are eligible for incentives and tax credits.