Dear Jim: Some rooms in our house are too hot or too cold, and someone is always complaining. What can we do to even out the room temperatures to keep everyone happy. Will doing this lower our utility ...

Ductwork used to channel or direct air to spaces throughout a building can impact the efficiency of the structure’s HVAC system. That’s why it’s important to properly design and install ductwork and ...

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 ...

Q: I have a 1995 Ford Windstar, 3.8-liter engine, with 99,500 miles. Now that the weather is turning colder, I’ve noticed my defroster isn’t working. The blower works, but the air comes out through ...

WHEN A POWER PLANT has multiple units sharing a common chimney/stack, care must be taken in isolating a unit when taking it offline. Although plants have isolation dampers to isolate operating units ...