Air Conditioning Halehtorpe MD Refrigeration Halethorpe MD $20 Off Service Call!

Heating Baltimore

With over 25 years of experience providing expert air conditioner, heating, and refrigeration services, we guarantee you’ll be satisfied with our workmanship.  Our friendly, licensed technicians provide installation, maintenance, and 24/7 emergency repair on all residential and commercial HVAC equipment.  We’re so confident that we offer the lowest prices available that we guarantee to beat any written estimate from a local competitor.

Don’t wait until your old equipment breaks down! Take advantage of our preventative maintenance plans or our free estimate and 10-year labor warranty included on all total system replacements. Our unmatched customer service is available live 24 hours a day. Don’t postpone your comfort, call us today.  We’ll be happy to assist you with a suitable financing plan.

Our Services


Why Choose AJR

  • Serving Residential & Commercial
  • Over 25 Years of Industry Experience
  • Full-Service Duct Cleaning
  • 24 Hour Service & Live Phone Operator
  • Free Estimates
  • Licensed & Insured





Financing Options Now Available!

Concerned about your credit? Don't be. Our staff will be happy to assist you. We currently work with Wells Fargo, GE Capital, and several other financing companies so we can create a financing plan that works best for you. Click here to learn more!


Latest Blog Posts

Will Closing Your HVAC Vents Save You Money?
It’s not uncommon for homeowners to have a love-hate relationship with their HVAC systems. On one hand, they enjoy feeling warm in the winter and comfortably cool in the summer, and on the other hand, they dread the increase they see in their...
The Benefits of Upgrading Your Furnace
Replacing your furnace is probably something you don’t look forward to, but it’s a wise thing to do if you’ve had your furnace for 10 or more years, and especially if it’s not performing as well as it once did. But upgrading...
When Should I Change My Furnace Air Filter?
Chances are, if you looked at your furnace’s air filter right now, one word would come to mind. “Disgusting.” Most people don’t think about their furnace air filter until something goes wrong. Then, the first question...
How Does a Heat Pump Work and Why Is It a Good Idea?
Living in an area like Baltimore, which has highly variable weather conditions, can become tiresome, and constantly heating and cooling your home can end up costing you a fortune in energy costs. If you’re like a lot of people, and are...
How to Save Money on Your Heating Bill This Winter
With winter in full effect, the question on many homeowners minds is “How can I save money on my heating costs?” Nobody likes the increased burden of heating costs during the colder months, and most don’t have the first idea how to...
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A.J.R. Heating, Air-Conditioning, & Refrigeration, Inc., Heating & Air Conditioning, Brooklyn Park, MD

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Angie's List 2013 Super Service Award - Check out our reviews!