Having problems with your Air Conditioners ?

When I turn the air on the heat strips comes on at the same time

\015 Coleman air handler on 3 ton heat pump unit\015

Answers :

Is this a central heat? From the size i assume it is.
You say air conditioning on part of your question then use heat pump on\015\012another part. So it is important for us both be on the same page.
With all due respect some people think they have a heat pump and it is\015\012just AC and electric heat also but is not a heat pump.
. If you have the outdoor AC unit running\015\012with your thermostat set for heat and the air coming off the out door\015\012unit is cold, or you see it "steam up outdoors" off the out door unit at times (we call this mode defrost).

If you actually have a Heat pump system some times it is wired to have the strips come on at the same time the heat pump comes on especially if you experience a lot of weather below 40' occasionally and have an emergency heat setting on your thermostat you most likely have a heat pump.

If you have a heat pump for sure now the heaters can come on with the outdoor section if
1 they are wired to do so or
2 the thermostat has 2 stage heating and the second stage is telling the elements to come on, or
3 the outdoor thermostat (if so equipped) is telling the elements to come on.
Any 1 or combination of these 3 items can cause the elements to come on wit the out door unit.

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