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

How to Lower Your Heating Bill
The winter can mean different things to people. For some, it’s a time to enjoy cozy days inside with loved ones. For others, it’s a time to take advantage of the snowy wonderland outside. For many homeowners, winter is a time for higher...
Signs Your Furnace Needs Repair
Imagine you’re lying on your sofa. It’s 8:30 p.m. and you’ve settled in for some primetime TV. You’ve wrapped yourself in your favorite blanket and you’ve positioned the pillows so that your head is lying in the...
How Often Should I Maintain My Furnace?
No homeowner likes to be surprised by unexpected home repairs that are liable to burn a hole in their wallet. That's why, with the cold weather settling in, it’s important to make sure your furnace is in good condition and prevent it from...
My Heating and Cooling System Stopped Working
Dealing with a malfunctioning heating and cooling system is a huge headache. For most problems that occur, you’ll need a licensed HVAC technician to perform service, but there are a few troubleshooting steps you can take on your...
Why Is My Furnace Leaking Water?
There are a number of reasons why your furnace could be leaking water, some more serious than others.  The most common reason is a condensation leak, which usually occurs in high-efficiency furnaces. Condensation Leak High-efficiency...
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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!