Replacing faucet aerators (from 2.2 gpm to 1.0 gpm) or using water savers on showerheads (from 2.5 to 1.5 gpm) are the most affordable components of a water conservation program for multiunit housing, commercial or institutional buildings.
The Munchkin VWH from Heat Transfer Products Inc. is a compact and versatile hot water supply boiler with condensing technology at 96 percent efficiency, which lowers energy costs.