Air cond

GaryDidier

Does it matter weather the condensor is installed on the supply or return side of a warm air furnace.Thanx,
Gary from granville

Ball Valve

Dont you mean the evaporator (unless its a heat pump), and then it should be on the supply side at all possible cost. Most coils depend on air flow direction to boil off the refrigerant properly and to drain condesate effectively.

JimGPE_3

Does it matter?

> Does it matter weather the condensor is installed

> on the supply or return side of a warm air

> furnace.Thanx, Gary from granville



If it is installed at the furnace, it doesn't matter if it is on the suction side of the fan or the discharge side. Heat pumps are typically on the suction side, air conditioner coils on gas furnaces typically on the dishcarge side.

In any case, it needs to be in the airstream AFTER the filter.

JimGPE_3

Does it matter?

If it is installed at the furnace, it doesn't matter if it is on the suction side of the fan or the discharge side. Heat pumps are typically on the suction side, air conditioner coils on gas furnaces typically on the dishcarge side.

In any case, it needs to be in the airstream AFTER the filter.

Ray Landry

also make sure your at least a foot above the heat exchanger, so that in the winter that baby won't melt the condensate pan on the coil...

Dave_16

I beg to differ........

On a hot air furnace the evaporator must always be installed after the heat exchanger............heat pump or not, because a heat pump is also an a/c coil, I've personally never heard of a heat pump that was'nt also A/C. If placed on the return side the heat exchanger will deteriotate before it's time due to moisture, check with any manufacturer. And you only need to be 2" above the heat exchanger,certain companies make pans made for oil fired furnaces, 12" above is ludicrous especially in a retrofit, more important is that you have atleast 6" above the coil before any duct take offs, atleast that's what is recommened. The only problem I've had with melting pans were from that wonderful Goodman equipment ;(

David_5

supply

The evaporator should be installed in the supply air stream after the heat exchanger. If the evaporator were installed in the return then in the summer 55 degree air would be going over the heat exchanger. Condensation would likely form on the burner side of the heat exchanger causing it to rust and fail.

David

[Deleted User]

Preferably the condenser should go outside the home. Otherwise Frank is right. And if you are melting drain pans, check your heat rise or quit using goodman.

Good luck.

Mike

Unknown

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Ken D.

AC

Frank and David are right, a coil on the return side will cause condensation to form on the heat exchanger controls or other components resulting in corrosion and premature failure.