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AC Service & Maintenance

Lexington Park AC Service and Maintenance

Keeping your air conditioning system running reliably year after year starts with proactive care. Great Mills Heating & Air Conditioning offers professional AC service and maintenance. Our family-owned business has served the Lexington Park area for over 50 years. Our licensed technicians excel at pinpointing inefficiencies and extending the life of your system through meticulous inspections and tune-ups. Our maintenance program aims to help you avoid unexpected breakdowns and prepare your system for Maryland’s sweltering summer months.

Call (301) 381-2679 or contact us online today to get a free estimate.

The Benefits of Routine Professional Inspections for Your AC Unit

  • Improved system efficiency: Professional inspections can identify and address inefficiencies, better enabling your AC to operate at peak performance. This often translates to lower energy usage and reduced utility costs. 
  • Extended system lifespan: Regular maintenance helps reduce wear and tear while keeping components in optimal condition. Ultimately, this helps your AC unit last longer, saving you from the expense of premature replacements.
  • Prevent costly breakdowns: Routine checks catch minor issues before they escalate into major problems. With our NATE-certified technicians on the job, you can reduce the chances of unexpected and costly repairs.
  • Enhanced air quality: Our inspections include cleaning and replacing your filters, which helps reduce the dust, allergens, and pollutants in your home’s air, creating better indoor air quality for your family.
  • Detect refrigerant issues early: Refrigerant levels are carefully checked during inspections to reduce the chances of leaks and maintain cooling efficiency.
  • Optimized thermostat settings: Our technicians evaluate and recalibrate your thermostat to verify precise temperature control and energy-efficient performance throughout your home.
  • Warranty compliance: Many manufacturers require routine maintenance to maintain warranty coverage. With Great Mills Heating & Air Conditioning’s licensed and insured service, we’ll keep you in compliance.
  • Peace of mind: Simply knowing that a professional has inspected your system can give you peace of mind on an oppressively hot day when the system is working hard. You can be comfortable and confident that your system is working well. 

Proactive AC Service and Maintenance You Can Rely On

Regular maintenance is an investment in home comfort and energy efficiency, and with our long history of dependable service, you can feel confident that your system is in good hands. 

We work with homeowners in Lexington Park and throughout St. Mary’s County. Call (301) 381-2679 today.



Why Choose Great Mills Heating & Air Conditioning?

  • Same-Day Service Available
    Don't wait weeks for an appointment. Book us same-day!
  • Offering 100% Free Quotes
    Get started by giving us a call and setting up a free estimate.
  • 24/7 HVAC Service
    Don't stress about weekday bookings or office hours. We're available on weekends and offer emergency services.
  • Licensed & Insured
    Entrust your HVAC needs to licensed, insured professionals.

Work With An Experienced & Trusted Team of HVAC Professionals

Our Great Mills technicians are Ready to Help!
  • Factory Authorized Dealer - Carrier
  • Daikin
  • Rheem
  • Amana Dealer
  • Carrier

Contact Us Today

At Great Mills Heating & Air Conditioning, we're always ready to take your call! Give us a call at (301) 381-2679 or fill out the form below to contact one of our team members.

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