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I have a Rheem Gas/Electric AC unit that provides both Air and Heat. Yesterday the heat stopped working... it blows out cold air. We've had some cold temperatures lately (low 20's) but this isn't unusual and we haven't had any heating issues for 10 years. So, I'm not thinking its a too cold issue for the heat pump.... any ideas why it would just stop providing hot air? We had a real bad wind storm (50 mph winds) 2 days ago... would that blow out a pilot light?

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Heat pumps provide good heat until the tempurature drops below 35-40 degrees. After that there isn't much heat to extract from the outside air and then either the gas furnace kicks in or the electric heat strip does the job of heating the air. if you have heat strips, I would check your breakers in your panel and sometimes there are a couple of breakers right on the air handler or furnace. The ones that will be for your heat strip are 220v and will be twice as wide as your normal 110v breakers . Please don't trust a visual inspection as they can look like they are in the "on" position but are indeed tripped. Turn them all they way off and then back on. If the beakers check out you may have an open cicuit in the heat strips themselves and you will need to have a qualified HVAC tech look at your furnace to repair it.

If your furnace is a "duel fuel" and uses natural or LP gas for back up heat then your ten year old rheem probably needs a good maintenance by a qualified service tech. There is a flame sensor to clean, ignitor to check (replaces the old school pilots), burners to clean flue connections to check and much more. ALL manufacturers of any heating apliance recommend yearly maintenance. Most companies offer something for around 100 bucks. I hope this helps.

Rocco

Posted on Dec 13, 2009

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