With so many things a homeowner can lose sleep over – leaky pipes, voracious carpenter ants, a crumbling foundation – it’s nice to be able to cross something off the Money Pit list. Duct cleaning?

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, ...

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 ...