Since 1972

Huntsville's HVAC Contractor

Since 1972, McCormack Heating & Cooling Inc. has provided dependable heating and air conditioning services to homeowners across Huntsville and the surrounding areas. As a family-owned and operated business, we pride ourselves on honest work, fast response times, and expert solutions you can trust. From simple repairs to full system installations, our certified team is here to keep your home running smoothly in every season.

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Reliable Service Minimal Downtime

Trusted HVAC Solutions in Huntsville, AL — Keeping Your Home Comfortable Year-Round

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Air Conditioning

Beat the Alabama Heat
We install and repair cooling systems for every home and budget. Our Carrier® products deliver energy savings and quiet, consistent comfort.


We provide:

  • AC repairs on all major brands
  • New Carrier® AC installations
  • Ductless mini-split systems
  • Seasonal system tune-ups & Freon checks
  • Thermostat upgrades, including smart thermostats
  • Free estimates within one business day
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Heating

Stay Cozy All Winter Long
Whether you need a quick fix or a brand-new furnace, we deliver fast, reliable service to keep your home warm through the coldest months.


We offer:

  • Gas & electric furnace repair and replacement
  • Carrier® high-efficiency heating systems
  • Carbon monoxide testing & gas leak detection
  • Heat pump installation and service
  • Certified technicians & one-year install warranties
  • Emergency heating service on weekends
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Maintenance plans

Protect Your Comfort Year-Round
Prevent breakdowns, lower your energy bills, and extend your system's life with our affordable maintenance plans.


Plan features include:

  • Two annual service visits (spring & fall)
  • Filter inspections and replacements
  • Coil cleaning and thermostat calibration
  • Operating temperature & refrigerant checks
  • Priority scheduling & service reminders
  • Extended system life & lower monthly bills
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Carrier® HVAC Solutions

Top-of-the-Line Systems. Certified Installers.
As a Carrier® Factory Authorized Dealer, we bring you the latest innovations in HVAC technology with expert installation and personalized guidance.


Carrier systems we install:

  • Infinity®, Performance™, and Comfort™ Series
  • Central air conditioners and heat pumps
  • Gas furnaces with Greenspeed® intelligence
  • Geothermal and hybrid systems
  • Packaged HVAC units for space-saving solutions
  • Smart controls and zoning systems
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Request Service

Fast, Friendly HVAC Help in Huntsville, AL

Need repairs, maintenance, or a new system quote? Our certified team is ready to help. Fill out the form or give us a call, and we’ll get back to you within one business day. At McCormack Heating & Cooling, your comfort is our priority — and we stand behind every job with over 50 years of trusted service.

For immediate assistance or emergency service, call us now at (256) 533-2678

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