Renewable Energy Water Heating for Your Home
Direct Energy is not just about heating and cooling your home. We also supply heat pump technology that produces the most efficient water heater ever tested at the Florida Solar Energy Center. Heating water from renewable energy for residential use can be accomplished in two different ways: through integrated full-time water preheating or through “de-superheating” water heating.
Integrated Renewable Energy Water Heating
Integrated water heating (on demand) uses the Direct Energy system to heat water at any time of the year. Its initial cost is higher, but it provides operating savings all year.
Because our heat pump water heating option has the full system capacity available to heat water, it provides quicker recovery from a cold water tank than does an electric resistance water heater. It has first-cost and operating cost advantages over competitors’ integrated systems.
De-superheating Renewable Energy Water Heating
De-superheating water heating reclaims heat from the A/C cycle to heat water. Its first cost is lower. Savings are realized in the cooling season by transferring waste heat to your hot water storage tank. Even in the heating mode the de-superheater often provides pre-heating to the water heater, reducing the work required of the electric resistance elements.
Benefits
- Energy savings
- Environmental savings
- Protection from energy cost increases
- Reliable, low maintenance, long life
- Versatile and works anywhere
- Quiet
- Efficient
- Comfort
- Third-party verification
Safe and Renewable Energy
Because there is no fossil fuel firing required by the Direct Energy system, there is no risk of fuel leaks, explosion, fumes or asphyxiation. Geothermal energy is a safe and renewable form of energy.
Unobtrusive Installation
The Direct Energy heat pump is located in a single cabinet that contains the high efficiency scroll compressor, the refrigerant-to-water heat exchanger and a small, quiet and dependable water circulating pump. The cabinet size is 17”x 21”x 28″, which is the size of a two drawer file cabinet. It can be located adjacent to the traditional water heater tank.
Versatile Earth Loop Installation
Because of high efficiency thermal exchange with its heat source in the earth, only 30m of earth loop per 3.5kwth of heat pump capacity is needed, and a three inch (75mm) diameter bore hole is optimal. Therefore the system is easily adapted to retrofit applications and new construction. The earth loops can be installed vertically, diagonally, or horizontally by trenching, drilling, excavation or directional boring even under a parking lot.
Serviceability
The system is designed for dependability and ease of service. It includes industry-standard threaded water piping connections, pump unions, and refrigerant service valves. In addition to the refrigerant management controls, the key internal components include a high efficiency, brazed plate heat exchanger and a readily accessible bronze body water circulating pump.
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