We asked HVAC professionals how often you should clean your air ducts. They gave us the details on cleaning frequency, ...

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 ...

Q. This week: Is there any way to reline or replace metal heat ducts under a concrete slab floor without tearing up the floor? We had our ducts commercially cleaned five years ago, when we were having ...

Did you know there could be hundreds of dollars of savings hidden behind the walls of your home? Air ducts are typically installed behind drywall and in attics and crawl spaces, which means we usually ...

The typical cost range to replace an HVAC system is between $5,000 and $12,500, with a national average cost of $7,500. The cost could be higher or lower for an individual homeowner depending on the ...

Careful planning in designing ductwork for emission control structures goes a long way toward reducing overall plant construction costs. Increasing restrictions on power plant emissions are causing ...