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hi all,

i recently tried installing a smart thermostat (Lux) that didn't require a C wire. it didn't go well and i went back to my previous basic (Honeywell) thermostat, but now my A/C won't...

Hey Guys/Gals,

anyone have a link to a rebate form for the current Lennox 1k rebate promotion?

thanks,

Wes

Yep, I'm getting the tax credit...but am I actually getting the efficiency?

For me there are two distinct issues here.

1. Tax Credit

2. Actual Performance


On issue #1, I'm not so worried. I have the manufacturers cert and the AHRI cert. The only thing that could...

Hey Guys,

I believe superheatbob is correct. I have a trane xl 90 furnace (4 speed blower).

The cert (attached) shows that a lennox XC21-024-230 outdoor unit + a CH33-31A coil TDR+TXV valve...

I already have the AHRI cert number and looked up the cert. It shows the Lennox unit, coil, and txv valve, but doesn't show my blower. My contractor says that by virtue of the AC unit and coil alone...

Hi All,


I'm working with an awesome contractor to install a central A/C unit to my existing furnace (trane 4 speed blower). We searched far and wide for an A/C that could match up with my trane...

Hi All,

I'm in the process of purchasing a new A/C unit for my home and have a few questions.

1. In a few years we will probably do some major landscaping and stucco work on our home. Are...

agreed. Tough to find contractors that will actually do a Manual J, or other accurate load calc (even if willing to pay for it). Even if they do the load calc, they often advise going a little above...

Got it. Appreciate the advice.

105 Ft - 140Ft, Not exactly sure about avg summer temp. Probably in the 80's

no existing a/c, 1300 SQ FT, Mountain View, Ca 94043

Thanks YourAirman!

Should I have a manual J done to figure whether I should go with 2 ton, 2.5, or 3 ton unit?

Appreciate the advice on the AHRI cert/rating.

thanks,

Wes

Hey All,


I'm in the process of shopping for an HVAC contractor to install a new central A/C unit. I currently have the Trane XL-90 tux2b060a936 furnace. I believe this has a 4 speed blower. I'm...

Great Help! thanks so much!!!!

Hey All,


I'm in mountain view, Ca and trying to find an HVAC contractor (or other company) to perform a true Manual J at a fair price. Any input/help would be greatly appreciated!

thanks,
...

Hi All,

I had a new trane 90% efficient furnace and flex ducting installed in my Mountain View, 94043, CA home about a year ago. At that time I couldn't afford a new central air system, but am...

My HVAC contractor just installed a new two stage Trane furnace. In our contract it was stated that he would install a two stage Trane thermostat (made by Honeywell i think),but he actually installed...