These are the best whole-house heat pumps from Consumer Reports' tests. These heat pumps are more efficient and can save you money.

Dear Ken: What is your opinion of professional air duct cleaning? A local company is guaranteeing that the cleaning will reduce duct leakage to less than 5% and back their word with a 10-year ...

Numerous companies advertise HVAC-duct cleaning, claiming that having your ducts cleaned prevents health problems. Before hiring one of these companies, you should ask a few questions. For instance, ...

Question: The bedrooms on the north side of our house are always chilly. We are planning a new house now. What causes this and what should we do to avoid the same problem in our new house? It will be ...

This is the time of year when some people start to think about a new furnace. A run of single-digit temperatures and a couple of ice storms are good motivators. Some of us are warm enough but are ...