HVAC Maintenance in St. Charles, MD

Regular tune-ups keep your heating and cooling system running at its best. Learn more about the maintenance plans we offer and enroll today!


Just like your car or any other machine you own, your heating and cooling system needs regular maintenance too. Keep it running smoothly all season long with a comprehensive maintenance plan from Bennett Air.

We offer our HVAC maintenance plan in Waldorf, MD, and surrounding areas. It’s designed to boost your energy efficiency and may even extend the life of your system. And, not to mention, it keeps your valuable manufacturer’s warranty valid, which provides coverage for costly breakdowns during the warranty period.

HVAC filter

Bennett Air’s experienced technicians understand your heating and cooling system and how it can waste money. Our maintenance service helps us pinpoint and eliminate these problems. Ready to start protecting your heating and cooling system? Call us at 301-638-3000 to enroll today!

7 Benefits of Enrolling in a Maintenance Plan

Our comprehensive service and maintenance agreement program is designed to offer you many benefits. Here are just a few of them:

  • Energy savings. Your maintenance plan may pay for itself several times over in energy savings.* In fact, routine air conditioning and furnace maintenance could save you up to 30% in energy costs.**
  • Increased reliability. Air conditioning repair and furnace repair can often be prevented by regular maintenance. That’s because this service gives us a chance to examine your system and correct small problems before they cause a major malfunction.
  • Special discounts. As a valued maintenance plan member, you’ll receive a discount on parts.
  • Access to emergency repair. We know your air conditioner or furnace typically breaks down at the worst time, like a night, weekend or holiday. As a maintenance plan member, you’re our priority when you need emergency repairs.
  • Maintain or enhance comfort. A poorly maintained system may struggle to keep your home comfortable.
  • Keeps your warranty valid. Your heating and cooling system includes a valuable manufacturer’s warranty. This warranty protects you if a major part fails during a certain time frame. Most manufacturers require routine maintenance to keep your warranty valid.
  • Improved life span. A furnace or air conditioner that’s properly maintained may last longer, helping save you money in the long run.

What Our Maintenance Plan Includes

Our technicians take a thorough approach to ensure your heating and cooling equipment is operating at its best. Here is just some of the maintenance work that we’ll do.

Air Conditioning Maintenance

  • Check: compressor and condenser fan amp readings, coil temperature difference, condensate drain, contactor, refrigerant levels
  • Clean: outdoor coil
  • Inspect: air filter, wiring, visible refrigerant leaks, ductwork, blower belt
  • Review: airflow issues, thermostat calibration, return air sizing, indoor air quality recommendations, that air conditioner is level
  • Test: capacitator, cooling sequence

Furnace Maintenance

  • Check: air filter, blower motor amp reading, gas valve, heat rise temp, humidifier (if applicable)
  • Clean: furnace condensate drain
  • Inspect: furnace safety switches, electrical connections, blower belt, ductwork, gas flues, combustion intake, exhaust piping
  • Review: thermostat calibration, airflow issues, indoor air quality recommendations
  • Test: carbon monoxide, capacitors, heating sequence

*Depending on the current condition of your equipment.

**Your potential savings may vary based on the age and condition of your equipment, as well as your thermostat settings, maintenance schedule, installation quality and your ductwork.