Different types of retardant are available in a variety of price points, but the high-end kind used in this particular home, says McDonald, is biodegradable and nontoxic—"you could drink it straight ...

Daikin Europe NV, a subsidiary of Japanese heating system manufacturer Daikin, has introduced a new residential air-to-water heat pump line for single-family homes. The systems use propane (R290 ...

The proposed system uses waste heat by thermally coupling a water lithium bromide absorption heat transformer with a water vapor compression heat pump. It reportedly achieved a temperature ...