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and Operated
What HVAC Services Does McCormick Offer in Greeley?
McCormick offers complete HVAC service in Greeley: AC repair and installation, furnace repair and installation, heat pumps, boilers, indoor air quality systems, and 24/7 emergency service. As an Armstrong Air dealer, we cover every home comfort need, and this season we're leading with AC and full-system replacement.
Greeley summers run hot and dry, so we're prioritizing cooling work right now. If your system is on its last legs, ask about our 50 percent rule: when repair costs approach half the value of your unit, replacement is usually the smarter long-term investment. Here's what we handle for Greeley homeowners:
we remove odors and treat mold, bacteria, viruses, dust mite dander, and pollen.
Want to compare your options first? Explore our air conditioning and heating services, or call us at (720) 386-5204 to talk it through.
Why Do Greeley Homes Have Specific HVAC Needs?
Greeley is located at roughly 4,665 feet as the Weld County seat, with hot, dry summers and cold high-altitude winters. That climate swing pushes both cooling and heating systems hard, so equipment here works harder than it would at lower elevations.
We service homes throughout Greeley, from the neighborhoods near the University of Northern Colorado (UNC) and downtown 9th Street to the areas around Island Grove Regional Park, Centerplace, and the US-34 / US-85 corridors. When the Greeley Stampede rolls in and temperatures climb, our phones light up with AC calls. And because we're based right here, we respond fast.
We cover Greeley ZIP codes 80631 (our HQ), 80634, 80639, and 80638. The dry climate and altitude also affect indoor comfort and air quality, which is why so many local homes benefit from humidity and filtration solutions alongside their heating and cooling.
Why Do Greeley Homeowners Trust McCormick Heating & Cooling?
McCormick is family-owned and has served Greeley for 20+ years (since 2006), backed by NATE- and EPA-certified technicians and a satisfaction guarantee. We're local, not a call center, so your call reaches real people based at our Greeley HQ.
Regular maintenance from a trusted local team pays off: routine tune-ups can reduce HVAC breakdown risk by up to 95 percent and improve efficiency enough to save up to 30 percent on energy bills. About $200 a year in filters and tune-ups beats a $3,500–$5,000 replacement every decade, and our competitive pricing keeps it affordable.
Fast after-hours emergency HVAC service when your system can't wait.
What Areas Around Greeley Does McCormick Serve?
Frequently Asked Questions About HVAC Greeley
Still not sure what is wrong with your AC? Schedule a diagnostic and we’ll give you a written repair quote before work begins.
Ready for Reliable HVAC in Greeley? Let's Get You Comfortable.
Whether you need same-day AC repair, a full-system replacement, or after-hours emergency help, McCormick Heating & Cooling is your local Greeley team. We'll give you a straightforward free estimate and get your home comfortable again — fast.
McCormick Heating & Cooling · 2881 S 31st Ave, Unit 3, Greeley, CO 80631 · Mon–Fri 8am–5pm (after-hours 5–10pm weekdays; Sat 8am–12pm)
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