Drain Water Heat Recovery System Cost

The energy department estimates that energy losses in hot water amount to 80 to 90 a good argument for installing a drain water heat recovery dhr system.

Drain water heat recovery system cost.

Heat from the drain water is transferred to incoming water. Maintenance free with no moving parts. Power pipe r2 120 drain water heat recovery unit. Reduce energy costs by up to 30 per cent as the clean water going into the water tank is pre warmed and requires less energy to heat.

At 20 30 of home energy consumption water heating is typically the 2nd highest energy demand. Drain water heat recovery technology works well with all types of water heaters especially with demand and solar water heaters. The power pipe can dramatically cut water heating costs and reduce total home energy consumption by 5 10. It pre heats the cold fresh water feeding into your water heater from 8 c to about 23 c.

Such a system provides a number of benefits. View pdf 332 kb. In a gravity film heat exchanger gfx drain water flows through a copper pipe that is wrapped in smaller diameter copper tubing. They generally have the ability to store recovered heat for later use.

It reduces water heating costs for showers by 20 to 40 is easy to install requires little maintenance and has a service life of 30 to 50 years. A drain water heat recovery system recovers heat from warmed drain water. This is a simple diagram of how a drain water heat recovery system works diagram courtesy of ecodrain. With its fully automated control system the eccotemp 20hi ng only pulls.

Water heating accounts for approximately 20 to 30 percent of household energy demand. Shop our selection of drain water heat recovery in the section of water heaters in the building materials department at the home depot canada. See store availability. Technical cross section drawing of a drain water heat recovery system.

It works by using outgoing warm drain water to pre heat incoming cold fresh water so your water heater doesn t have to work as hard. Showersave is a waste water heat recovery system wwhrs for showers in new builds existing homes commercial buildings social housing. Drain water heat exchangers can recover heat from the hot water used in showers bathtubs sinks dishwashers and clothes washers. The proven technology of a drain water heat recovery system uses the residual heat in water in drainpipes to preheat water entering the water heater.