Heat packs and cold packs can offer relief, but choosing between the two can be baffling. Which will be best for your ...

Commercial heat packs (containing iron and water, or supersaturated sodium acetate) and cold packs (various ammonium salts) can be used to show exo- and endothermicity. Heat packs that contain iron ...

Rheem’s new air-source heat pump has passed the US Department of Energy's Cold Climate Heat Pump Challenge. The US-based heating specialist released the Endeavor Prestige series in March.