HVAC Contractor serving Baltimore & the surrounding areas

We are a leading service provider in the Baltimore county, Howard County, Baltimore city and Montgomery County area. We service all brands including Carrier and Trane unit (Residential and light commercial)

HVAC Company

Whether the purpose is for residential or commercial usage, you want to make sure that your HVAC system is in working order and Diagnostic Heating and Air Conditioning, LLC wants the same.

If a problem comes up and your HVAC system breaks down, the good news is that you can get quick air and heater repairs. Rapid response is especially important during times of extreme weather.

Look for a good HVAC contractor in your area. When choosing one, make sure that he or she is licensed for the job. Otherwise, you risk getting someone who doesn’t really know how to fix the machine in question. At Diagnostic Heating and Air Conditioning, LLC specialize in both cooling and heating service for your home or office.

We also have heating and air conditioning contractors that can assist with any heater, air conditioning repair, furnace repair or duct & vent installation needs. Since we know how to operate these machines, why not provide this service to our clients?

If you’re looking to keep your home comfortable in Baltimore and the surrounding areas, then you can get help from our reliable and professional HVAC company. Call us today!

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Air Conditioning Installation | Furnace Installation | Heating System Installation

Why Choose Us

  • Unparalleled Professionalism
  • Dedication to Client Satisfaction
  • Expert Workmanship
  • we offer 20% discount for any repair or maintenance to any new customer for this winter season


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