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Harmonic Heating & Air Conditioning is dedicated to our customer's comfort! Take a look at all ofthe services we have provided near you!

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5 stars
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92 Total Reviews Harmonic Heating & Air Conditioning


Montgomery, Illinois

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5 Star Rating
Armstrong HVAC 4SCU14LE142P
Armstrong Condenser 13 seer air conditioner, ecobee4 with remote and coil
Montgomery, IL
07-31-2017

Armstrong HVAC 4SCU13LE124P
Install Armstrong furnace and air conditioner 2.0 ton LE13 and 70k btu A80v
Montgomery, IL
08-21-2017

Armstrong HVAC EC1P29AG-1
new coil, new AC and new furnace
Montgomery, IL
07-05-2017

Armstrong HVAC 4SCU13LE148P
Armstrong 13 SEER air conditioner
Montgomery, ID
07-17-2017

Armstrong HVAC A80UH1D110C20
Install Armstrong furnace 135k btu A80 CT
Montgomery, IL
11-01-2017

State Water Heaters GS650 BRT
Install 50 gallon State Water Heater
Montgomery, IL
09-05-2017