Where to put the intake/filter, in ceiling or down by the floor?
You'll have to forgive my use of terms here. I don't really know what the standard names of the different parts of a heat pump system is called by the industry.
Hot air rises right? Cold air settles down by the floor or so it seems to me. I took high school physics and that's what I learned. Hot air ballons wouldn't work otherwise right? So, if one were to install a heat pump system, sometimes also known as an HVAC or central air system, for the primary purpose of heating a house, it seems one would want the intake/filter to be down by the floor. That way the intake sucks in all that cold air down by the floor to have it heated by the air handler. Then, the air handler blows that now warmed air out the return vents back into the rooms of the house. Does this make sense? Or is there something I'm not realizing here?
Round here, most HVAC installers put the intake up in the ceiling. I can't figure out why. That's what they did in my house and I didn't want it that way. I've been trying for months to have the intake down by the floor where I want it. I have a nice place for it. For some reason, the contractor just does not understand why I want the intake down by the floor instead of up in the ceiling "like everyone else." At the same time, most people who have HVAC systems complain that their house always feels chilly ever since they had their HVAC system installed. I'm thinking its exactly because their intake is up in the ceiling drawing in the warm air up by the ceiling and warming it some more by the air handler and blowing the rewarmed warm air back into the rooms of the house. Meanwhile, there's all that cold air down by the floor that never gets warmed. It just gets very warm air blown at it. So, the people feel that cold air. Sure they feel the warm air coming out the vents as I do in my house. But that cold air down by the floor never gets warmed. And so they develop this idea that HVAC systems aren't any good because their house still feels cold. I think that their problem isn't the HVAC system but rather that it wasn't set up well in their house. Is any of this making sense? Am I totally off my rocker here?
I even did some experiments in some places that I rented. One apartment I was in had the intake/filter up in the ceiling and I had that "the house is cold sensation" that everyone remarks upon. So, I put up some boxes around the intake to "lower it" down towards the floor. I managed to get it to within 2 feet of the floor. The cold sensation disappeared. The HVAC system didn't run as frequently any more. And, best of all, my electric bill went down. Why? sucking up that cold air down by the floor made the whole system work better and more efficiently.
I highly recommend that if you plan to install an HVAC system and plan to use it mostly for heating that you put the intake/filter down near the floor. It will work better.
Oppositely, if you are I a warm climate and need to cool your house more months of the year than you need to warm your house, having the intake up by the ceiling is where you' want it. That way it sucks in the hot air to have it chilled.
An ideal system, imo, would be to have two intakes. One up in the ceiling and one down by the floor. That way you can close the upper one and open the lower one in winter for heating. Then, in the summer you can reverse it by having the upper intake open and close the lower one for cooling. Seems brilliant to me and I can't understand why this doesn't get done. Can anyone fill me in here as to why this doesn't get done?