Q–Very little air comes out of the heating duct in the bedroom at the far end of my house. However, a tremendous amount of air comes out of the same size duct in the dining room, which is in the ...

Dear Jim: We have central air conditioning, but have a problem keeping all the rooms evenly cool. Someone is always too hot or too cool. What are some simple methods to balance the temperatures ...

A line of chlorinated polyvinyl chloride (CPVC) duct fittings, blast gates, and dampers for use in ventilation systems offers standard sizes from 6-24 inches; custom sizes or variations can be ...

Dear Jason: The problem you are experiencing is not uncommon even for the newest air-conditioning systems. Unless you install an expensive zone control system, your air conditioner can respond only to ...