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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Only on cold mornings around 32F or below, heater does not

Customer Question

Only on cold mornings around 32F or below, heater does not heat. Fan comes on, thermostat seems OK (new batteries). Problem goes away when attic warms up a bit as sun comes up. I have two Goodman heaters, both heater units have this problem intermittently and only when temperature outside approaches 32F.
JA: Sometimes, Goodman, HVAC issues that that you think will be really complicated end up being easy to fix. The HVAC Technician I'm going to connect you with knows all the tricks and shortcuts. Is there anything else the HVAC Technician should be aware of?
Customer: I have had an A/C repair guy look at this. He changed out the circuit card on one unit. Problem came back on next cold morning and several cold mornings thereafter.
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and connect you two.
Submitted: 1 year ago.
Category: HVAC
Expert:  Phil replied 1 year ago.

Hello, I need the model numbers of the goodman heaters, If these are condensing type gas furnaces, it is likely the condensate drain lines are freezing... or some similar issue.