San Antonio AC Maintenance - Dilmak San Antonio AC and Heating Services

Heating & AC
Maintenance Program

Just like your vehicle, your air conditioning and heating system needs regular heating and AC maintenance to continue to run efficiently. Failure to run regular service will land you spending more money in the long run.

Dilmak Services is here to help. We have great options on worry free heating and AC maintenance that fits any budget and any system. Let our expert technicians come out and tell you how you can prevent costly repairs with simple maintenance.

Spring & Fall Tune Ups

We offer general maintenance to your outside and inside Air Conditioning and Heating systems. A lot of common problems are preventable if regular heating and AC maintenance is regularly done at least twice a year, once in the spring and once in the fall.

Contact us now to schedule your maintenance visit.

  • Inspect contactor
  • Tighten electrical connections
  • Inspect wiring condition
  • Wash outdoor coil (cooling)
  • Inspect service disconnect and fuses
  • Test fan motor capacitor
  • Test compressor capacitor
Heat Pump
  • Inspect defrost control
  • Inspect reversing valve solenoid
Gas Heat
  • Check pilot (as needed)
  • Check gas shut off
  • Inspect main burners
  • Visually inspect temperature safety switches
  • Inspect flame sensor/clean
  • Inspect flue pipe
  • Check inducer fan motor
  • Inspect blower door safety switch
  • Inspect burner ignition system
  • Check thermostat operation (digital or analog)
  • Inspect blower motor and wheel
  • Test capacitor
  • Inspect and clean condensate drain
  • Inspect secondary drain system
  • Inspect evaporator coil
Electrical Performance Test
  • Compressor amps
  • Outdoor motor amps
  • Indoor motor amps
  • Voltage drop across contactor
  • Electric heat amp draw
System Performance Test
  • Temperature split at unit
  • Outdoor temperature
  • Return temperature indoor
  • Supply temperature indoor
  • Suction pressure
  • Liquid pressure
  • Duct
  • Duct insulation
  • Flex duct liner
  • Return duct sealed
  • Supply duct sealed
  • Splitter intact
Attic Insulation
  • Attic insulation type (Batts, Fiberglass, or Cellulose)
  • Attic insulation estimated r-value
  • Attic insulation actual inches

Easy Financing Options

San Antonio AC Financing with Dilmak Air and Synchrony Financial

San Antonio AC Financing with Dilmak Air and FTL Finance