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I'm interested in the Nest thermostat. I've read they aren't compatible with variable speed air handlers. My current tstat, a Lux has just 4 wires (R-Y-G-W)
I don't understand why the Nest won't...

Well, I had another tech come out tonight. He said I need a return put in. My existing returns are a 18 inch that reduces to the size of a large shoebox as it enters the AH and a 12X12 inch at the...

I had a Trane 14 seer with a variable speed A/H installed two years ago. Well I just had my annual tune up. It turns out my coil was dirty (after two years ? ) I thought I needed some extra ducts...

The company that installed the AC and who is scheduled to come next week for a "tune up" and look at my duct work is ACCA certified and didnt know what a static pressure test is.

Thats the problem. I called a few AC companies and they dont know what a static pressure test is (I sure as hell dont). How can I find one that I can trust to be competent about the duct work ? I...

I'm having a tune up next Friday, so some of those questions will be answered. The outside unit and the inside unit were replaced together. The only thing they didnt touch was the existing duct work...

my system is a 3 ton trane with a variable speed a/h
The original intake was a 18 inch, but narrowed down before entering the a/h.
They did install a 12 inch to add more air intake.

My wife called the company that installed the air conditioner and the service guy she talked to didnt even know what a static pressure test is ? Can anyone recommend a honest AC person/company in the...

From what Ive been getting on the web is some companies will do a tune up for XX and some companies do it for XXX. I dont mind paying more if it better. I dont know what the difference is if any in...

My bad - was hoping to get a idea of what it should/would cost me. Any recommendations ?

I got a new Trane 3 ton with a variable speed air handler installed last year. How do I know if the existing duct work is adequate for the new system ? I would have thought the new system would have...

Thanks for the info,
I dont have a humidity problem (that I know of) I usually run my AC 10 months out of the year and the heater maybe a total of 20-30 hours a year at most. It's humid down here,...

Here in South Florida I have never seen a filter that is thicker than a inch. I wouldnt even know where to get a thicker one. I usually get mine at Lowes or Home Depot.

Thanks - I intended no disrespect. It seems the majority of the people I know dont call a AC company until somthing is wrong.

Would it benifit me to get a different TSTAT ? One that controls...

My intent was to get honest advise like I had done before on this site. I never mentioned crooks and theives and scams - is that what you think ? not me. (guilty consceince) Man, I really opened a...

I'm guessing by your sour response your the type of tech that was on Dateline. All im asking is whether or not to have it done. I dont need someone to agree with me. The reason I post on this site is...

My only reasoning for posting this question was : The company that replaced my old AC 10 years ago called and told me they changed companies and told me I was due for a tune up. They told me they...

I understand your reasoning, But, don't I pretty much do what a tune up is already ? I change the filters like clock work, keep the drain line clear and have pretty good tstat. Whats in a cleaning ?...

I know, Stupid question.

I had a Trane 14 SEER variable speed installed in Oct 08. I take care of my system - I change the filter monthly, I use the good $10 filters too. I also add a few drops...

Is the comfort-R somthing I have to set ? It may be set already. I do have my tstat set at 76, which seems colder than my old system and the Trane doesnt run 90% of the day. My tstat shows the actual...

Great site here, very helpful.

First, please excuse my ignorance on this subject

I just had a Trane 14 seer with a variable speed air handler installed to replace my old 12 seer Rheem. What I...

The original filter that came with the air handler wasnt used. They said the 18"X18" one in my ceiling and the additional smaller one (10"X10") was good. I thought the one that came with it would be...

They didnt actually drop my intake down to a 10". I had/have a 18"X18" intake that because my airhandler is in a bedroom closet narrows down before it enters the air handler. They recommended a extra...

So what your saying is I should use the cheapest filters ? The ones that look like there made up of white hair ? I thought I was doing better by buying the expensive filters ? Thanks -

I originally had a 18" X 18" intake, but the person who quoted me the new system said although it's 18" X 18", it narrows down before it gets to the air handler and suggested I add a small intake...