HVAC & AC Maintenance Professionals Servicing Greenville, Greer, Taylors, Simpsonville, SC & Surrounding Areas

At Sanders Home Comfort Heating & Air Conditioning, we’re all about providing the most bang for your buck in Easley, Greenville, Greer, Taylors, Simpsonville, SC, or the surrounding areas. Even with competitive rates and great deals on premium equipment, there’s no better value than our preventive maintenance services.

Trane Dealer Handing Brochure To Customer

Practice Prevention with Regular HVAC Maintenance Visits

A breakdown of your HVAC system can happen at any time, but it rarely occurs entirely without warning. In fact, many breakdowns happen for entirely preventable reasons. The problem is that the signs of an impending failure may not be obvious to the untrained eye. That’s one reason having preventive maintenance services performed on a regular schedule is invaluable.

As part of every heating and AC maintenance visit, our expert technicians conduct an extensive inspection. We visually inspect your entire system for signs of wear and damage, noting any components that may need further attention. We also carry out various tests designed to assess how well your system is performing. This comprehensive evaluation process allows us to detect any irregularities and helps prevent minor issues from becoming major malfunctions or failures.


General HVAC Maintenance Checklist

  • Check evaporator coil
  • Check metering device type (if accessible)
  • Check condensate safety control in auxiliary pan
  • Check if condensate drain protection is installed
  • Check if condensate drains are clear
  • Check condensate pump operation
  • Check condensate drain line solution offered
  • Check blower motor amps (rated vs actual)
  • Check blower motor speed
  • Check blower capacitor (rated vs actual)
  • Inspect and tighten electrical connections
  • Check filter type and size
  • Check if filter is clean
  • Check airflow
  • Check if panels are installed, ensure screws are in panels
  • Check for excessive rust or corrosion
  • Check dry bulb return and supply
  • Check wet bulb (or dual fuel) return and supply
  • Check delta T and delta H
  • Check indoor equipment area temp and humidity
  • Check for disconnects and ensure breakers/fuses are turned on
  • Check vapor barrier
  • Check ductwork condition

Heating Maintenance Checklist (Gas Furnace)

  • Ensure combustion area is clear of combustibles
  • Check fossil fuel type
  • Check fossil fuel inlet BTU and outlet BTU
  • Check gas pressure for inlet and outlet
  • Check burner(s) and flame sensor
  • Test furnace safety controls
  • Check for gas leaks at the furnace
  • Ensure flue is drafting properly
  • Check draft inducer motor for excessive noise
  • Check if CO monitor is present

Heating Maintenance Checklist (Heat Pump)

  • Ensure all heat strips are operating
  • Check electric heat strip phase and voltage
  • Check electric heat strip total amps and wire size
  • Check outlet BTU (electric/fossil fuel)
  • Check contactor, sequencer, and relay
  • Check electric heat return temp and supply temp
  • Check delta T (electric/fossil fuel)
  • Check defrost control operation
  • Check reversing valve operation
  • Perform mode test

Heating and Cooling Maintenance Checklist

  • Check condenser/heat pump phase and voltage
  • Check if condenser coil is clean
  • Check condenser fan motor amps (rated vs actual)
  • Check condenser fan capacitor (rated vs actual)
  • Check compressor amps (rated vs actual)
  • Check compressor capacitor (rated vs actual)
  • Check contactor and starter
  • Check for excessive motor noise
  • Check ambient temperature and room relative humidity
  • Check suction PSIG and converted saturated temperature
  • Check vapor line/liquid line temperature
  • Check liquid PSIG and converted saturated temperature
  • Check superheat, subcooling, and HGSH


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