Lexington Park Light Commercial HVAC Services
Since 1972, businesses in the Lexington Park area have relied on Great Mills Heating & Air Conditioning for high-quality HVAC solutions that help keep their operations running smoothly. As business owners ourselves, we understand the critical role that heating, cooling, and indoor air quality play in maintaining a productive and comfortable commercial environment. Whether it’s proper climate control for your employees or creating a welcoming space for customers, our services are designed to meet the unique demands of commercial properties.
Our team of factory-trained, NATE-certified technicians delivers reliable and efficient HVAC services designed to minimize downtime and optimize system performance. From installation and repair to maintaining indoor air quality with advanced filtration systems, every service we provide is backed by our commitment to excellence and a strong warranty.
Businesses can trust us not only for our technical knowledge, but also for the personalized care and consistency that come from working with a family-run operation. When it comes to your commercial HVAC needs, we’re here to provide dependable solutions that support your success.
Schedule an appointment and get a free estimate by calling (301) 381-2679 or using our online contact form.
Serving Businesses Throughout St. Mary's County, Calvert County, Charles County
We offer custom, personalized comfort plans designed to meet your unique HVAC situation and system.
Packaged Systems
- Compact units that can be ideal for buildings with limited space
- Combined condenser, fan coil, evaporator, thermostat, and compressor in one unit
- Popular in hotels and condos for economical room-by-room temperature control
Split Systems
- Suited for larger spaces and small offices
- Connecting to existing ductwork for precise temperature control
- Requires individual units for each area, which can clutter the roof or exterior
Rooftop (RTU) Systems
- Large, packaged units installed on flat roofs
- Combined heating and cooling capabilities in one system
- Highly efficient and best suited for buildings under 10 stories
VRF (Ductless) Systems
- Ductless units using heat recovery to transfer heat where needed
- Compact, quiet, and 30% more efficient than traditional ducted systems
- Ideal for businesses prioritizing energy efficiency and space-saving
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Same-Day Service AvailableDon't wait weeks for an appointment. Book us same-day!
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Offering 100% Free QuotesGet started by giving us a call and setting up a free estimate.
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24/7 HVAC ServiceDon't stress about weekday bookings or office hours. We're available on weekends and offer emergency services.
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Licensed & InsuredEntrust your HVAC needs to licensed, insured professionals.
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Available for Emergency HelpGet the immediate help you need, whenever you need it.
Hear From Our Happy Customers
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My go to for HVAC!
“I have used them for my rentals, and referred them for business clients. The customer service on the phone is always helpful, and they go over & above for customers.”Lynda -
An honest company finally!
“Professional and didn't try to make me feel like more was needed than just a repair. I'm happy to have found an honest company finally!!”Gail -
Don't call anyone else!
“We've been doing business with Great Mills HVAC for over 15 years, and their service is always quick, professional, and friendly.”Bill -
Emergency response was amazing!
“Great Mills HVAC was quick to respond to my emergency call for repair. The problem was quickly discovered and solved on site.”Shirley -
We highly recommend Great Mills Heating & A.C.
“We have been doing business with Great Mills Heating & A.C. since we built our house in 1997. They are professional, polite, courteous, and reasonably priced.”Ted -
I HIGHLY RECOMMEND Great Mills Heating and Air Conditioning.
“GM definitely earned a 5-star rating and not just for the last job but for all the many jobs they've done for me in the past 25 years.”Ray -
Friendly, efficient, timely, and reasonably priced!
“Great Mills Heating and Air just installed my hot water heater and installed my HVAC system 4 years ago. I have been impressed with them both times.”Kathryn -
Fantastic experience with Great Mills.
“The service team was fast, professional, and punctual. I needed a quick adjustment within a couple of weeks and they sent a tech out, same-day, without any resistance.”Adam
Responsive and Timely Commercial HVAC Services
When a problem arises with your heating or air conditioning, there’s no time to lose in getting assistance. That’s why we keep our phone lines open 24/7 and offer emergency repair service. Even if your situation is a “non-emergency,” we still accommodate same-day scheduling to the maximum degree possible.
Call our Lexington Park office today at (301) 381-2679.
