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  1. HVAC
    Thanks in advance for your and input.End of summer system started having problems and couldnt cool house down, air flow problems, HVAC guys told told me they couldnt fix it, I needed a new system. So i shut the system down and the plan is to go all out when tax time gets here, and for the most...
  2. HVAC
    My Mitsubishi mini split service manual says: In heating mode: condensing pressure 309 psi discharge temperature 139 F condensing temperature 95 F Question: if R410a is condensing at 95F, then the correct pressure is 309 psi. But if the refrigerant is discharging from the compressor...
  3. HVAC
    Ok...I have researched, read the manuals, studied the wire diagrams and am frustrated beyond belief. :furious: I have a Goodman heat pump that was not heating any more. Fan blew but did not heat. I bought a new Honeywell RTHL3550 thermostat to replace my old Janitrol HPT18-60. I connected the...
  4. HVAC
    Newbie here. Ok, back in January our compressor froze up for about 3 days during the coldest days we have seen here in SC. We noticed that our power bill went from $240 to $550. I knew something was wrong but wasn't sure what it was. Had no idea it would could be the HVAC system from the heat...
  5. HVAC
    We have a new Carrier Performance 5 ton heat pump, a 2200 sq foot home with lots of glass, and live 50 south of Indianapolis. The new heat pump and ultra high efficiency gas furnace (also Carrier) were installed in October. This is my first experience with a heat pump but we had a high...
  6. HVAC
    I installed a new t-stat for my heat pump last winter. It worked fine in winter. But, when I tried it for the first time this summer, the blower fan would not come on in the cooling cycle EVEN THOUGH it comes on in the heating cycle. I have done a lot of troubleshooting and this is what I...
  7. HVAC
    I've been told that some Trane dealers are now switching to American Standard heat pumps due to continuing price increases that are making Trane not price competitive in certain areas. They are also being told and therefore telling new customers that American Std heat pumps are exactly the same...
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