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I live in Kentucky, so we see all four seasons here with a reasonable dose of both hot and cold weather. HP did great last year during days in the teens! It ran a good bit of the time, but...

So as a homeowner do I need only to visually inspect for leaks? Or is there something else I should do regarding pressure relief valve?

Thanks ...

Shophound, I agree...many folks have been helped with FREE advice from the pros on this site .....those posters who want to rail on others should be banned ....:)

Richmond, VA has its hot & humid summers where dew point ranges from mid 60's to 70.
Not being in Florida or Houston, should I be concerned about adding more cellulose which will completely cover...

KM ....is it a bad idea to cover attic flex ducts with blown cellulose? Will that cause unwanted condensation? How do I get around this issue if I want to add insulation? Thanks ....:)

Would an attic gable fan meet your definition of a PAV and if so, your advice is to terminate use?

beenthere: I'm using a 3M filtrete (the least restrictive type) in a 20X30 return....is that a problem? Should I use the less retrictive and less expensive fiberglass filter? Thanks ....VA GENT

It came with the house so I didn't have a choice; appeared to the novice (me) that it was installed properly...performed very well for 9 years, then a leak in outside coil was cause for new...

beenthere: Very practical and comprehensive answer, as usual....question, is a variable speed air handler required to have a 2 stage compressor? (I've got a feeling that this could be a stupid...

Adrian F....one of your links strongly suggested that in addition to disabling PAV's that a homeowner should close foundation vents which it said causes mold and mildew when open by bringing in hot,...

And now I wishing that I'd had the LP aux removed when I had my new system installed back in June and instead had the electric strip as aux :mad:

The hvac guy wants me to put an attic fan in, which i agree would help, but
having adequate pressure going upstairs is needed as well.


I've read on this site that attic fans could exacerbate...

My installer set up my DF at 40* lockout...with cost of LP gas vs. $0.07 kwh electricity here in Virginia, I plan to reset my call for LP down to at least 30*, maybe lower

beenthere, does the...

Or as has been mentioned on this site before, get a couple of window shakers and store in garage in case a 1 system situation fails!:)

Thanks Ryan ...:)

Heat pumps

It was posted some time ago that current Trane/AS products that are 3.5T &13 SEER units have scroll compressors. Can one of you pros confirm this.

Thanks

I was looking at my American Standard model number last night and trying to figure out how the model number equates to 3.5 tons ....the model # has in it "042" so now I know .....thanks beenthere!

All ....

Thanks for the answers and assistance. Gives me several options to try.

Va Gent

This may have been discussed previously but is it OK to close several 1st floor supply registers to increase airflow to 2nd story or would this potentially be dangerous to my system?

I have a...

2nd opinion,

Thanks ...that is the stat I have (802) ...I won't be turning on the heat quite yet here in Richmond, but it is good to know that I have that "manual" option..having said that, I...

beenthere,

Thanks again....

been there,

Thanks, I believe I have the 802 and the installer may have set it up as such...but back to my primary question ...shouldn't the balance point temp be set around 30 instead of 40?
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Just had installed 3.5 T, American Standard Heritage 13 ...have propane auxilliary...installer set balance point on stat at 40 degrees F which I questioned ....my electric cost is about .07 kwh...