Question about Air Conditioners
First off as silly as this may seem check the filter! A furnace usually has several speeds to the blower. Heat speed is factory set at low! I would also check to see if the squirrel cage has a lot of dirt in it, this could reduce airflow. Make sure you dont have boxes, couches, etc. blocking the return air vents. If you replaced the blower motor, Be darn certain it runs at the same rpm and horse power as the OEM motor did. Furnaces run on CFM or Cubic Feet Per Minute. If you run too much cfm your temp rise across the heat exchanger will be too great causing a low supply air temp! If too little cfm than your furnace may overheat causing it to trop on a high limit switch! There culd be any amount of problems with oyur system, call a certified tech to give it a once over it will save you a headache which is usually cheaper than the bill!
Posted on Jan 09, 2009
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