A residential AC Unit surrounded by bushes and grass

Costs of Owning and Operating a Heating and Air Conditioning System

The total cost of owning and operating a heating and air conditioning system is more than the initial investment. Costs include the following:

Operating Costs

Energy cost each year for the life of the unit

Maintenance Costs

System care for the life of the unit

Replacement Costs

After the maximum useful life of the unit.

What Affects the Operating Costs?

  • Type of System (Gas, Electric, or Oil)
  • Energy Costs from Utility Company
  • Efficiency Rating or (SEER)
  • Installation Techniques
  • Maintenance or System Care

Improper Maintenance Costs

Cooling 30% – 40%+ Heating 10% – 50%+


  • Dirty burners
  • Dirty blower
  • Dirty Filters
  • Dirty Heating Coil
  • Air Leakage at ductwork
  • Thermostat calibration


  • Dirty condenser coil
  • Dirty evaporator coil
  • Dirty blower
  • Dirty filters
  • Air leakage at ductwork
  • Thermostat calibration

*LSU Study of five existing houses before cleaning and after cleaning resulted in an average savings of $32.76 per month on cooling bills.

How Does Improper Installation Affect Operating Costs and Reduce Equipment Life?

Oversized Furnace and/or Air Conditioner

  • 10% to 45% Additional operating costs
  • Expansion/Contraction reduces furnace life
  • Starting and stopping reduces compressor life

Undersized or Oversized Refrigerant Lines

  • 8% – 28% Additional operating costs
  • Excessive head pressure reduces compressor life

Improper Sizing of Ductwork

  • 5% – 30% Additional operating costs
  • Improper airflow across heat exchanger reduces life
  • Improper airflow across evaporator coil reduces compressor life

Overcharge or Undercharge of Freon in System

  • 25% – 30% Additional operating costs
  • Excessive head pressure reduces compressor life by 50% or more
  • Replacement cost occurs years earlier than needed

Contact Us

Please contact us with any questions you have about our services or your needs. If you need immediate assistance, please call us at 817-994-4194. We Proudly Serve Fort Worth and the surrounding areas.