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

Baltimore's Top Heating and Cooling Company - Expert HVAC Services

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.

AJR Proudly Serves Baltimore Maryland and Surrounding Areas Offering 24 Hour Emergency Services

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

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. Click here to learn more!


Latest Blog Posts

How Often Does My Air Conditioner Need Maintenance?
Air conditioners are not unlike other major investments in your home. The better you care for your air conditioner, the better the air conditioner will take care of you. Homeowners frequently wonder how often their air conditioners should be...
How Long Should an Air Conditioning Condenser Last?
When most people think of an air conditioning unit, they imagine it as one solid piece of equipment, but actually, an AC system is comprised of several different components that work together to convert warm air to cool air and blow it...
What Are the Most Common Signs of a Malfunctioning Air Conditioner?
In the summer, our air conditioners feel like our closest allies. How else would we possibly survive the heat without air conditioning? Even though air conditioning units have become more efficient and effective over the years, we all still face...
How to Clean Your Air Conditioner's Condenser
If you want your central air conditioner to last, you need annual AC maintenance performed on it. This not only helps your AC unit last longer, but it also saves you money by increasing its overall efficiency, as well as preventing...
3 Ways to Spend Less Money Cooling Your Home This Summer
Now that the temperatures are rising, it's time to think about ways to cut down on your cooling costs this summer. During the summer months, cooling can account for as much as 70% of your utility bills. Even with a highly rated...
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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!