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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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A friend of mine has an Armstrong Air Model A93UH. Installed

Customer Question

Hi
A friend of mine has an Armstrong Air Model A93UH. Installed about 2 1/2 years ago. Temperamental giving heat or making the air conditioner work. Suspected the thermostat. Replaced it but did not make any difference. Fan is working. any ideas? Have not checked any voltages.
Submitted: 5 months ago.
Category: HVAC
Expert:  airheatman replied 5 months ago.

Tell me exactly what happens on call for heat or cool right now.