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For more than 15 years, we have been providing HVAC repairs and installation services to Platteville, Longmont, Greeley, Fort Collins and the surrounding areas.

Employment Opportunities

If you have experience with heating/cooling unit repair and install and are reliable, hard working and have a valid driver's license, we are looking for you.

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Residential Services

When you work with our repair and installation experts, you will receive a competitive rate and exceptional work.

Commercial Services

With more that 15 years of experience, our HVAC contractors can fix any HVAC problem at your home or business.

Learn more about our services

We are locally owned and operated and guarantee your 100% satisfaction.

Services We Provide

Both Residential & Commercial

  • Boilers
  • Garage Heaters/Tube Heaters
  • Heat Pumps
  • Humidifiers
  • Forced Air Furnaces
  • Gas Furnaces
  • Electric Furnaces
  • High Efficiency Furnaces
  • HVAC
  • Air Conditioners
  • Mini Splits
  • Duct Work Installation
  • New Construction
  • Remodel Construction
  • Basement Finish
  • Duct Work
  • Garage Heaters
  • Gas Lines
  • Dryer Vents

Our Specials

McCormick Heating & Cooling of Platteville, CO

HVAC contractors you can trust with your ac, heating repairs and installation.

Is the temperature just not right at your CO, home or business? Do you face a daily struggle to maintain a basic level of comfort because you need HVAC and furnace repairs or installation? Call McCormick Heating & Cooling in Platteville, CO for HVAC repairs for your heating or cooling units.

We are the area’s leading HVAC contractors that provide exceptional AC, boiler repair and installation services. Whether you need residential or commercial heating services, we have you covered. We will come to your home, assess your furnace, or air conditioner and suggest the next course of action—which could be repairs or new installation.

Call to receive information about our HVAC contractor services and speak to one of our qualified technicians. We provide Northern Colorado with HVAC repair and installation services that include:

  • Furnace or boiler repair
  • Furnace or boiler installation
  • AC repair
  • AC installation
  • Duct Work
  • Garage Heaters
  • Gas Lines
  • Dryer Vents

General repair or system replacement inquiries are just a phone consultation away.

Our service area includes Platteville, Longmont, Greeley, Fort Collins and surrounding areas for all your air conditioning, and heating needs.

  • Furnace Repair
  • Furnace Installation
  • AC and HVAC Repair & Installation
  • Duct Work
  • Garage Heaters
  • Gas Lines
  • Dryer Vents

Some Facts


Happy Customers


Years In Business

McCormick Mechanical Inc BBB Business Review
McCormick Heating and Cooling HVAC in Platteville, CO