When you're trying to lower your utility bills, you might be tempted to reach for the thermostat. That's a good instinct. Setting your thermostat strategically can help reduce your heating or cooling ...

Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are. When you’re trying to lower your utility ...

Outside a 100-year-old house on the edge of the Peak District in northern England, a heat pump’s fan blades are swiftly spinning. They’re drawing outdoor air over coils of refrigerant, harvesting ...

Learn 15 powerful centrifugal pump tips covering selection, curves, NPSH, viscosity, valves, efficiency, cavitation and reliable operation.

This has been discussed before on Ars, such as at https://arstechnica.com/civis/threa...ost-efficient-heat-pump-in-the-world.1501605/, and https://arstechnica.com ...