In 2014, the state of California implemented regulations limiting the use of bypass ducts — short ducts placed between the supply plenum and return air plenum in a forced-air system — in residential ...

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 ...

Controversy and confusion reign as contractors in the state of California work to decipher new regulations limiting the use of bypass ducts in residential zoned heating and cooling systems. The code ...