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  1. HVAC
    Hello and happy new year! since coming back from vacation, my hvac is not blowing HOT air anymore. everything was working fine before. it's blowing air now, but just when we increase the temperature, it's not producing HOT air. the thermostats are OK (they're all new from sep 2018), and...
  2. HVAC
    Good morning all - As the days and nights get colder, we have cold air streaming in onto the main floor of our home from under the basement door. As the outside temperature decreases, this basement wind gets stronger. So, I am confused that cold air is actually RISING from the...
  3. HVAC
    Hey guys....this has been a ridiculous thing to wrap my head around, and is making me crazy!! So...been dealing with freezing pipes in my kitchen sink. I cut open the bottom of the cabinet for access. The pipe from the taps are the plastic flexible type, which then connect to copper. This...
  4. HVAC
    I have a trane XL90. Just started blowing cold air. Went to check and I have a blinking green light and then get a two blinking red lights(system lockout I think?). I pulled the cover, looks like no flame. Any ideas would be greatly appreciated. It's getting cold and I don't have alot of $...
  5. HVAC
    We have a 6 year old Trane XR90 furnace that runs on propone. When the furnace starts in the morning, it blows cold air. We manually shut the furnace off with the thermostat, wait for the fan to stop (10 - 15 minutes) then restart and we have heat. If we manually stop/start without waiting...
  6. HVAC
    I recently installed both a Vented Bathroom Fan and a Vented Range Hood in a Home I purchased last summer. All was well until winter hit. The house has Vaulted Ceilings with little or no attic space to work in so I had to cut my way through the roof to do the install. Both Ducts have minimal...
  7. HVAC
    i have a reznor tcore3 in my hot yoga studio. installed 2002, been blazing since then. lately, when it gets to around 90 degrees, it gets stuck in the cooling cycle. there's a call for heater, the burner lights, burns for about a minute, then turns off and the blower turns on. it runs for a...
  8. HVAC
    I have 2 Amana Air Command Hi Efficiency 90 gas furnaces. They are both about 12 years old. One has had service three times in the last month and a half and the symptom is always the same….blowing cold air. First they replaced the thermostat? Next they replaced the igniter with an upgraded...
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