The Best in Upper Marlboro HVAC Service
HVAC in Upper Marlboro is Made Easy with Belair
If you have chosen to settle in a beautiful Upper Marlboro home, you already know just how many wonderful amenities this area offers. Few places offer such easy access to great cities like Washington D.C. and Baltimore while offering a comfortable, enjoyable quality of life. Upper Marlboro is a special place, and that’s why so many of your friends and neighbors have also decided to call it home.
Belair has been fortunate to serve many customers in Upper Marlboro over the years. We are always happy to take calls from the Prince George's County area, so don’t hesitate to reach out with your plumbing, generator, or HVAC problem.
Our Team in Upper Marlboro is Ready to Respond to Your Needs
We understand you don’t have time to waste getting your HVAC system working correctly. Whether it’s some relief from the hot summer days or warming on a cold winter night, good HVAC performance in your Upper Marlboro home should never be taken for granted.
What will you get when you decide to call Belair for furnace or generator repair? It starts with timely service and fair pricing, but that’s far from all. You will also appreciate the friendly and understanding nature of our technicians, who are always happy to answer your questions and explain the work that needs to be done. No customer or job is ever taken for granted.
This is a big part of why we’ve become the contractor of choice for so many people throughout the region for generations.
Explore Our Many Service Options
The Belair team can do it all, as seen in the list of services below. This includes not only standard HVAC service but fireplace, generator, and plumbing services as well.
If you are a homeowner in Upper Marlboro and want a versatile, trustworthy partner for these kinds of jobs, you can’t do any better than Belair.
Heating
Have you noticed that the winter nights in your Upper Marlboro home are a little colder than they used to be? Does your Mitsubishi furnace smell like smoke? Your furnace could need some maintenance or need to be replaced with a new, more efficient unit. If your HVAC system is a heat pump, we can also help. Call Belair Engineering and Service Company, Inc. at 888.823.5247 to discuss your heating service needs and get the help you need to keep you warm all winter.
Air Conditioning
There is no hiding from the summer heat and humidity in Upper Marlboro. When a heat wave settles in, the only way to find some relief is to escape inside an air-conditioned space. Make sure your AC is working in tip-top shape before summer gets here by connecting with the Belair team. We can repair, replace, and install residential air conditioning in almost any home!
Plumbing
Are there plumbing problems in your Upper Marlboro home that must be addressed? Whether it’s the installation of a new water heater, a broken pipe or clogged drain, or anything else related to your plumbing system, you can trust our Upper Marlboro plumbers to do the job correctly.
Generators
Stop those powerful Atlantic storms from disrupting your life in Upper Marlboro. With a backup generator installed by Belair, you will automatically be switched to your alternative power source should the power go out. If you need someone to repair your existing standby power system, we can help with that too.
Fireplaces
Adding a fireplace in Upper Marlboro is about more than the heat that this appliance will provide. With a gas fireplace installed in your home, you’ll have a natural gathering place that is certain to be your family’s favorite spot to hang out and connect throughout the cold winter months.
Air Quality
Everyone deserves to breathe clean air in their home. If it seems like the air in your Upper Marlboro house is dustier or dirtier than it should be, call Belair Engineering and Service Company, Inc. at 888.823.5247 today to learn more about our air quality services and how we can solve this frustrating problem.
Why Pick Belair? Key Points to Consider
If you spend too much time looking at HVAC options in Upper Marlboro, you will start to feel like all the choices are similar. At Belair Engineering and Service Company, Inc., these are a few ways we stand out from the crowd:
- A proven record of performance: With more than 64 years of experience in the industry, you will know that you are in good hands from the start. Just ask your friends and neighbors!
- Transparent Pricing: We understand that everyone is on a budget, and no one wants to spend more than necessary for quality HVAC service. Our pricing is always honest and competitive, so you know exactly what you’ll pay when the job is done. We also offer financing options to help you find a payment option that works for you.
- Commitment to Safety: When you invite Belair’s technicians into your home, you can be assured that they are trained in the newest safety measures and have been screened to ensure you are working with honorable experts in Upper Marlboro. We also handle all permits to ensure legal compliance.
Professional HVAC Service in Upper Marlboro is a Phone Call Away
With Belair on the job, you can be sure your HVAC system will be back up and running quickly. Or, if your system is working but you’d like to upgrade to new equipment for better performance and efficiency, we can also help. The same is true whether you need generator or plumbing service in Upper Marlboro. We are committed to serving all your comfort needs.
Recent Jobs and Reviews in Upper Marlboro, MD
Upper Marlboro, MD at a glance
Belair Engineering and Service Company has completed 25 jobs in Upper Marlboro, MD between July 2026 and August 2026.
The 20 customer reviews shown here average 5.0 out of 5.
The most recent job was on August 6, 2026.
Belair Engineering and Service Company has completed 1,162 jobs in Upper Marlboro, MD in the last 12 months. The first job there was in October 2013.
Reviews
Abe is just plain awesome! I can always count on him for a clear, concise explanation of our system and what may or may not be needed. Looking forward to requesting him again in the Fall, my sincere thanks!
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Great customer service!
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Very polite technician, worked quickly and efficiently, reviewed findings with me
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Hugo was great! Excellent job
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The technician was courteous and thorough in servicing the system. He explained everything he did.
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Mark let me know his arrival time, worked efficiently--great service!
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Yahony provided excellent service for my AC service call. He was thorough, professional, courteous, and knowledgeable of my unit. I would welcome him back for my heating service call in the fall.
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Yahony did an exceptional job servicing my AC units. He did an even better job explaining my unit readings and clarifying the range variances between both units.
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Fantastic work all around. Julius fixed the problem quickly and professionally.
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Prompt, courteous and thorough
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Great job
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Julius was prompt, courteous and professional. I appreciated his willingness to look at a second issue I had. He made the entire process a pleasant one.
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Very professional and took care of my problem.
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My parents used Belair Engineering and I've been using them for decades because of their excellent service and great reputation! Julius was thorough and explained everything in great detail to me today for my plumbing service, very trustworthy.
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Job Locations
Goodman Airtemp heat pump AC air conditioner heating & air conditioning system repair service call Upper Marlboro Maryland 20772
Goodman Airtemp gas furnace / AC air conditioner heating & air conditioning system replacement installation Upper Marlboro Maryland 20772
Installing a new air handler with 3 ton heat pump unit
Goodman Airtemp gas furnace / AC air conditioner heating & air conditioning system replacement installation Upper Marlboro Maryland 20772
Replacing a heat pump system
Carrier Comfortmaker AC air conditioner heating & air conditioning system replacement installation Upper Marlboro Maryland 20772
50 gallon AO Smith, natural gas hot water heater install installation service repair call in upper Marlboro, MD 20715
Goodman air conditioning repair
Trane XL15i heat pump AC air conditioner heating & air conditioning system replacement installation Upper Marlboro Maryland 20774
Trane XL15i heat pump AC air conditioner heating & air conditioning system replacement installation Upper Marlboro Maryland 20774
30008 "Warren G.")
American Standard 4 Ton AC Service Repair
AC service and repair American standard split system Bel-Air Engineering installation and Service
Goodman heat pump system service repair call in Upper Marlboro MD
Honeywell Generac standby back up generator filter replacement installation & repair service call Upper Marlboro Maryland 20772
Fall system, Install attic
Comfortmaker AC air conditioner heating & air conditioning system repair service call Upper Marlboro Maryland 20774
Comfortmaker AC air conditioner heating & air conditioning system repair service call Upper Marlboro Maryland 20774
Lennox AC unit service repair call in Upper Marlboro MD
Goodman side discharge ac unit service repair call in Upper Marlboro MD
Generac Guardian Series standby back up generator filter replacement installation & repair service call Upper Marlboro Maryland 20772
Gibson Ducane heat pump AC air conditioner heating & air conditioning system replacement installation Upper Marlboro Maryland 20772
Carrier AirEase heat pump AC air conditioner heating & air conditioning system replacement installation Upper Marlboro Maryland 20772
Toilet install
