Things are changing in the world of venting for condensing boilers. For many years, the choice for venting high-efficiency appliances was limited to AL29-4C stainless steel. AL29-4C was first used in ...

Chlorinated polyvinyl chloride (CPVC) first made its way into the world of venting systems in the residential market. In recent years, CPVC has been used to vent Category IV high-efficiency boilers.

A recent boiler retrofit project highlighted the incredible benefits of the press fitting process while illustrating some of the potential concerns that might arise while using this system. We ...

Should PVC schedule 40 pipe and fittings continue to be permitted for combustion exhaust venting? You and I have come across PVC that has gone from white to many colored shades: from light yellow to ...

HVAC Installation and Repair in Irvine by ARA Heating & Air Conditioning Irvine, United States - April 27, 2026 / ...