In this troubleshooting situation, we have a customer who has called to say that their 12,000 Btu through-the-wall unit is “blowing cool air even though it’s set for heat.” Here’s the unit’s profile: ...

A ductless heat pump, also known as a ductless mini-split system or ductless air conditioning, is a HVAC system that, as its name suggests, does not require the use of ducts to operate.

And typical “mini-split” heat pumps, units that are installed in the wall to heat a zone of a house, can look awkward in a room. Lambert launched Quilt , a new startup, to take on both problems.

Someone finally made a heat pump that looks good inside your home. Created by former Googlers, Quilt is a smart mini-split system capable of room-by-room heating and cooling that marries energy ...

Q: I am one of a growing number of Americans with a new mini-split heat pump. I have no idea how to maintain it or use it efficiently. I’ve talked with many other owners and we are all largely ...

Homeowners trying to install eco-friendly heat pumps have been left with surprise £30,000 bills after it emerged millions of radiators are too small to work with the new technology.. The ...