“Smokers and allergy sufferers should consider cleaning their ductwork every two to three years,” says Eyman. “Ductwork ...

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 ...

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 ...

Each year, thousands of Arizona residents email or call Rosie Romero’s radio show with questions about everything from preventing fires in their chimneys to getting rid of tree roots invading their ...

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 ...

Q: I inherited a concrete block building that was then converted into a home several years ago. Part of it has a crawlspace and part is on a concrete slab. The crawlspace is always damp, and the ...

Completed in 2017, The House at Cornell Tech is the world’s largest building to meet Passive House criteria, the strictest international standards for building performance and energy efficiency. At ...