Mini-Split System Installations and Repairs

Factory-Trained Technicians

Warrantied Labor and Equipment

24-Hour Emergency Services

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on New Construction and System Replacement

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Mini-Splits: Efficient Climate Control Solutions

At Great Mills Heating & A/C, Inc we specialize in providing effective mini-split systems for homes and businesses in the Lexington Park, MD area.


Our services cater to every aspect of mini-split systems, ensuring you enjoy optimal comfort and efficiency. Whether you need installation, repair, or any other service, our experienced team is here to meet your needs.


Contact us today to learn more about how we can help you achieve the perfect indoor climate.


Why You Need Mini-Splits

Mini-split systems offer a versatile and efficient solution for heating and cooling your space. These systems are ideal for a variety of applications, providing targeted comfort where you need it most.


Here are some reasons to consider mini-splits:


  • Professional installation of single-zone and multi-zone systems
  • Custom setups tailored to your specific situation
  • Troubleshooting and repair for poor performance, refrigerant leaks, and unusual noises
  • Routine maintenance including filter cleaning and system checks
  • Replacement of outdated or malfunctioning systems
  • Upgrades to enhance performance and efficiency
  • Installation of new zones or features


Contact us now to discuss how mini-splits can benefit your home or business.


Benefits of Choosing Great Mills Heating & A/C

When you choose Great Mills Heating & A/C, you are partnering with a locally and family-owned business that has been serving St. Mary's and Calvert County, MD, since 1972.


Our commitment to quality and customer satisfaction is unmatched. Here are some benefits of working with us:


  • Same-day free estimates on new equipment
  • 24-hour emergency services
  • Maintenance contracts and agreements available
  • SMECO rebate
  • Licensed and insured (License #50494)
  • Same-day or next-day service
  • Manufacturer warranties
  • Extended labor warranty options
  • Standard two-year labor warranty on residential equipment
  • NFIB - National Federation of Independent Business member
  • NATE Certified - North American Technician Excellence
  • HVAC master license
  • Factory-trained technicians


Contact us today. Our team is ready to assist you with all your heating and cooling needs, ensuring you receive the best service and solutions available.

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Factory-Trained Mini-Split Technicians

Get Warrantied Products and Services

(301) 507-4054

(301) 507-4054

2-Year Warranty

Great Mills Heating & A/C, Inc offers a standard two-year labor warranty on residential equipment. Call for details.

(301) 507-4054

(301) 507-4054
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