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  1. HVAC
    I just got home after being out of town for a week and found my house a chilly 53 degrees. I could hear a buzzing sound coming from my furnace, so I went and checked it out. The LED is flashing error code 31, which means: Pressure, Draft Safeguard, Auxiliary-Limit (when used, or Blocked vent...
  2. HVAC
    My cousin is offering me a sweet deal on a HVAC system he bought for his home, but apparently never installed. It seems he lost his job, and then his home, and doesn't want to install it into the rental where he lives now. Its a Carrier Weathermaker 9200 with 4 ton A coil unit. It has the...
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