McCormick Heating & Cooling

HVAC contractor
5.0(925 reviews)
2881 S 31st Ave #3, Greeley, CO 80631
McCormick Heating & Cooling

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About McCormick Heating & Cooling

McCormick Heating & Cooling has built a strong reputation across Greeley and Northern Colorado since 2006, positioning itself as a local, highly rated HVAC contractor with deep roots in the community. The company highlights emergency services, financing options, and seasonal maintenance on its homepage, and Trustindex verification points to a solid record of Google reviews. That longevity shows in the team-first language on the site and in customer stories that consistently emphasize thorough diagnostics, clear explanations, and technicians who leave homes clean and safe. Names that recur in reviews — Justin, Josiah, Angelo, David, Jason and Jake Hernandez — underline a roster of technicians frequently praised for professionalism, careful installs and patient communication. Dispatch staff like Miracle are also mentioned by customers for responsive scheduling and follow-up.

Website content emphasizes core services across air conditioning, heating and indoor air quality, and promotes both planned maintenance and new system installs. McCormick advertises financing and coupons, acknowledging that cost and payment flexibility matter to homeowners. Customers report detailed safety checks (gas and carbon monoxide), component-level repairs, and full-system replacements when necessary. The company’s emergency-service request form and extended hours indicate a readiness to respond outside typical business hours, which reviewers say translates into fast, same-day problem solving in urgent situations. Testimonials consistently note technicians explaining work and offering cost-conscious recommendations rather than pushing unnecessary replacements.

Beyond technical work, McCormick appears attentive to the customer experience: protecting floors during installations, cleaning up after jobs, and walking homeowners through new-system operation. That combination of technical competence, communicative service, and flexible payment options helps explain why the business maintains a five-star average across hundreds of reviews. For homeowners in Greeley concerned with safety, efficiency and quick responses, McCormick presents a locally focused alternative that emphasizes practical solutions, transparent communication and continuity of service provided by a recognizable, repeat technician team.

What Customers Say

Four out of four detailed reviews specifically name the technicians who served them, Justin, Josiah, David, Angelo, and dispatcher Miracle, praising their diagnostic thoroughness, transparent communication, and willingness to explain each step of the repair process. All reviewers awarded five stars, with multiple clients highlighting that the team identified cost-effective solutions rather than recommending expensive replacements.

5.0 · 925 reviews
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Working Hours

Sunday8 AM–12 PM
Monday8 AM–10 PM
Tuesday8 AM–10 PM
Wednesday8 AM–10 PM
ThursdayToday8 AM–10 PM
Friday8 AM–10 PM
Saturday8 AM–12 PM

Services

Furnace Repair & Maintenance

Diagnostic inspection, flame sensor cleaning, gas safety verification, and carbon monoxide checks for home heating systems.

Boiler System Service

Multi-valve testing, component-level diagnosis, and honest assessment of repair versus replacement needs.

Cooling System Repair

AC repair, coil safety switch installation, and summer emergency response for residential cooling.

Preventive Maintenance

Annual tune-ups, full-system safety inspections, and efficiency optimization for heating and cooling equipment.

HVAC System Replacement

Furnace and boiler replacement with warranty coordination, including assistance with home warranty provider claims.

Frequently Asked Questions