Heating & Air Conditioning Services in Dundalk, MD

Comfort and quality go hand in hand. At McCrea Heating & Air Conditioning, our HVAC professionals provide superior quality HVAC services that protect and preserve your comfort. We guarantee your satisfaction when you hire us to install, repair, maintain, or replace your HVAC systems. Whether we’re installing a furnace, repairing an air conditioner, or improving the air in your home, we strive to exceed your every expectation.

Contact McCrea Heating & Air Conditioning in Dundalk by calling (301) 304-08789 and speaking with our HVAC experts about your needs.

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The McCrea team is always ready to help you determine the perfect air conditioner for your home. Our NATE-certified air conditioning technicians can repair, maintain, and replace your air conditioner. We offer a complete range of air conditioning services, including:

  • Air conditioning installation: We will perform a thorough load calculation and help you select the ideal air conditioner for your home. We will install, test, and optimize your system for your desired comfort.
  • Air conditioning maintenance: Our NATE-certified HVAC technicians can perform warranty-compliant preventative maintenance to optimize energy efficiency, reliability, and system longevity.
  • Air conditioning repair: Component failures are bound to happen. When parts wear out or are damaged, we will repair the issue and restore your air conditioner to operational condition.
  • Air conditioning replacement: We maintain a full inventory of replacement air conditioning systems and can remove and replace your old air conditioner as quickly as possible. 

Contact McCrea Heating & Air Conditioning in Dundalk at (301) 304-08789 to learn more about our air conditioning services.


When cooler weather arrives, a functional furnace system is essential for keeping your home warm. Our seasoned HVAC technicians services a variety of systems from leading furnace manufacturers. We offer a comprehensive range of gas furnace and electric furnace services, including:

  • Furnace installation: We will perform an accurate load calculation and help you select the optimal system for your needs. Our installation teams will install the furnace of your choice, test the furnace, and help you optimize performance.
  • Furnace maintenance: Our preventative maintenance services include changing air filters, adjusting thermostat settings, tightening loose connections, cleaning the interior/exterior of your furnace, lubricating moving parts, and servicing all components.
  • Furnace repair: We will identify the cause of the furnace failure and perform the necessary repairs. We maintain a comprehensive parts inventory and can service most major brands.
  • Furnace replacement: We can help you select and install a new energy-efficient replacement for your worn-out furnace. We offer furnaces manufactured by Amana, Ruud, Daikin, Goodman, and other leading brands. 

Contact McCrea Heating & Air Conditioning in Dundalk at (301) 304-08789 to schedule furnace services in Maryland! 


Clean air is vital for your health and comfort. Our indoor air quality services help you breathe easier by removing the dust, dander, pollen, and other pollutants within your home. Our technicians can clean ducts and install HEPA filters, humidifiers, dehumidifiers, air purification systems, UV lights, and other systems to keep your home pollutant-, pathogen-, and allergen-free!

Contact McCrea Heating & Air Conditioning at (301) 304-08789 to schedule indoor air quality services in Dundalk.


For more than 85 years, homeowners in Dundalk have depended on our teams for their comfort. The carefully selected professionals on the McCrea team believe that every client deserves superior service and exceptional results. When you entrust your comfort to our team, we guarantee your complete satisfaction and the results we deliver!

Contact McCrea Heating & Air Conditioning at (301) 304-08789 to schedule HVAC services in Dundalk!

$100 OFF A Humidifier Request Information Expires 03/31/23 Offer available for new & existing customers. Cannot be combined with any other offer.
Free Membership With the purchase of an Air Scrubber! Request Information Expires 03/31/23 Offer available for new & existing customers. Cannot be combined with any other offer. Cannot be used on prior purchases, Offer valid for membership renewals
Why mccrea

Commitment to Community

On-time Service

85 Years in Business

Competitive Pricing

Quality Service

Satisfaction Guaranteed