2025年1月27日 · You want to keep the fresh air pipe about 6' away from the furnace heat exchanger so it does not sweat from cold air condensation and rust or get stressed. You can …

2010年10月14日 · Fresh air intake on the furnace return is brought in to add fresh air to the home. It sounds like he wants to bring in fresh outside air for combustion of the wh.

2012年1月30日 · The cold air intake vent is insulated and connected into the return air (plenum) of an *electric* furnace (for fresh air). I'm trying to get around a problem with condensation during …

2019年10月12日 · Now if it's very strong or you smell it when entering the furnace room, there's a problem. On an unrelated note - the installer went cheap and never connected the combustion …

2011年3月19日 · Our house was built in 1968. Yesterday a furnace guy was out to do a general checkup. He pointed at that we have: 1) Normal cold air return from all throughout the house …

2019年1月20日 · With the onset of super cold air here, the air intake for our furnace has frosted over and is not allowing the proper air flow to the furnace, which in turn is not allowing it to …

2018年11月1日 · I'm reading some stuff online and also Section 401.4 of the Int'l Mechanical Code, about Intake Openings for equipment. It seems furnaces (e.g., natural gas) require …

2010年6月30日 · I just had a high efficiency Lennox furnace installed and both the through-wall exhaust and air intake pipe are open at the end ie. no bird or insect screen. Can some sort of …

2022年1月27日 · With the HRV added to the system, can this old passive vent be disconnected? Seems like leaving it connected would over ventilate the house since the HRV is interlocked …

2009年1月5日 · Is the fresh air intake you are discussing taking air from outside the home, or is the air intake in the basement?