Rheaco Service Inc. Heating and Air Rheaco Service Inc. Dayton, Tennessee
(423) 664-9876
174 Cemetery Road - Dayton, TN 37321
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Why Maintenance?


Think of preventative HVAC maintenance in the same way as the preventative maintenance for your car: If you don’t change your engine oil and replace belts and filters, the engine will lock up and the vehicle won’t operate. The same holds true, in a sense, for HVAC systems. Preventative maintenance on your HVAC system is a great way to tackle unforeseen issues.
Outdoor Units

Inspect unit for proper refrigerant level and adjust if necessary

Clean dirt, leaves and debris from inside cabinet

Inspect base pan for restricted drain openings—remove obstructions as necessary

Inspect coil and cabinet—clean as needed

Inspect fan motor and fan blades for wear and damage

Inspect wiring and connections.

Controls may include contactors, relays, circuit boards, capacitors, wiring and other accessories.

Inspect compressor

Indoor Units

Inspect and clean blower assembly (includes blower housing, blower wheel and motor)

Check combustion blower housing

Inspect evaporator coil, drain pan and condensate drain lines.

Inspect burner assembly and gas leaks in gas furnaces

Inspect ignition system and safety controls

Inspect heat exchanger for cracks or busted areas

Inspect flue system—check for proper attachment to the furnace, any dislocated sections, and for signs of corrosion.

Clean or replace air filters

Inspect duct work—check for leaks

While Your System Is Operating

Listen for abnormal noise

Search for source of unusual odors

Monitor air conditioning and heat pump systems for correct refrigerant charge

Measure outdoor dry bulb temperature as well as indoor dry and wet bulb temperature

Monitor gas furnace for correct line and manifold gas pressure—make adjustments as needed

Measure temperature rise and adjust airflow as needed

Provide system operation report and recommend repairs or replacement as necessary



Have a blessed day




We appreciate our long and positive relationship with the Rheaco Team of professional, knowledgeable, and friendly staff and look foward to…”  -Don Hamachek

Appreciated Rheaco, so very much, thoroughness and conscientiousness of the tech that you sent out.  -Lauren D. Young

The ladies who answer the telephone are exceptionally nice and professional. They made my request very easy. Thanks!  -Ann Bassham

Thanks so much for taking care of our Heating and Air-Conditioning systems. We love the planned maintenance service, we don't have to…”  -Sylvia Freeman, Soddy-Daisy

Very impressed with workmanship and work ethics of your employess. They did a great job!! Honest, dependable, friendly--hard to find these days!  -Southerland, Dunlap

I found Rheaco to be very professional and very hard working. They were here when they said they would be and very courteous…”  -B. Sale, Chattanooga, TN
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