GREEN BUILDING: Water-Efficiency
1. Knowledge & skills
2. We do what we say
3. Satisfaction quarantee
David K. Horvath, GMB, CAPS, CGP, LEED-AP
General Manager, Certified Builder
Office: (615) 791-5678
Cell: (615) 319-0000
Installing water-efficient equipment like water-conserving toilets, showerheads, and faucet aerators reduces water use as well as the demand on septic systems or sewage treatment plants. Reducing hot water use also saves energy since water heating can account for 14%–20% of the energy consumed in your home. You can reduce your monthly water heating bills by selecting the appropriate water heater for your home or pool and by using some energy-efficient water heating strategies like a tankless water heater.
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Equipment life may be longer than tank-type heaters because they are less subject to corrosion.The expected life of tankless water heaters is 20 years, compared with between 10 and 15 years for tank-type water heaters. In addition, sealed combustion gas units have a higher fuel-burning efficiency than natural draft gas water heaters.
Water saving recommendations:
- Collect and use rainwater.
- Separate and use graywater for landscape irrigation where codes permit.
- Provide for groundwater recharge through effective stormwater infiltration designs.
- On land that has been ecologically damaged, work to reintroduce native species.
- Protect trees and topsoil during construction.
- Avoid pesticide use—provide construction detailing that minimizes the need for pesticide treatments.
Tankless water heaters:
Tankless water heaters can save you about ten to twenty percent off your water heating bill. Tankless water heaters provide hot water at a preset temperature when needed without storage, thereby reducing or eliminating standby losses -- energy lost from warmed water sitting in a tank.
Tankless water heaters have an electric, gas, or propane heating device that is activated by the flow of water. Once activated, the heater provides a constant supply of hot water. The maximum flow rate at a desired temperature will be determined by the capacity of the heater. Gas tankless water heaters have larger capacities than electric tankless water heaters.