furnace

  1. M

    Furnace room air inlet vent makes loud noises, especially when it's colder?

    I have a 3 story house and a furnace on the 1st level for levels 1 and 2 and another in the attic for the 3rd level. The furnace is in a closet with vented doors and the 1st level is always cold in the winter. I think that this is due to the vent pipe(which is just a pipe running from the roof...
  2. C

    My furnace blower is making a whining noise when it starts up do i need to oil it...

    ...and how i have no manual? On the blower is says if equipped oil with a few drops of sae 20 annually, but i don't know if it is equipped! Here are all the model numbers i could find the furnace is MGHA-070A The model on the blower casing is 461350 made for MGHA the model # of the actual blower...
  3. L

    Does a gas furnace CO2 test blow air out of the vents or no?

    We just recently bought a foreclosed home and have completed a ton of work on the house. Because of the sanding, cleaning, etc, there is a ton of dust and debris down in the vents. We are having a CO2 test performed tomorrow and my question is, during this test will the air be blowing up into...
  4. M

    How to keep your gas furnace working properly

    How to keep your gas furnace working properly If your gas furnace goes on the fritz this winter, you might be able to get it running again without calling in?and paying big bucks to?your heating contractor. Try the steps in this Protect Your Investment post before you pick up the phone...
    • M_Smith
    • Thread
    • furnace gas properly working
    • Replies: 0
    • Forum: Reviews
  5. K

    Propane wall furnace produces ear-splitting whine as it heats up. Suggestions?

    My direct-vented propane wall furnace (an Empire DV-35-4SG) has begun making an ear-splitting high-pitched whine as it heats up (the fan is not yet going at this point). The gas comes on, and then it sounds like a bus screeching to a halt. The entire thing lasts 15-20 seconds and has been...
  6. K

    Should we install a used GMC brand high-efficiency furnace?

    My parents replaced their 10 year old GMC brand 92% efficient furnace and we might like to put it in our home to replace the late 60s/early 70s one that's here now. But I can't really find a GMC presence on the web nor who might be their manufacturers, and unfortunately my parents can't locate...
    • kelli
    • Thread
    • brand furnace gmc highefficiency install
    • Replies: 0
    • Forum: American Muscle
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