McCormick Heating & Cooling
Greeley, CO HVAC · #1 of 6 · NATE-certified · 20+ yrs
McCormick Heating & Cooling as a HVAC provider
Greeley, CO HVAC · #1 of 6 · NATE-certified · 20+ yrs
McCormick specializes in fast residential AC repair backed by many local service stories. McCormick lists NATE-certified technicians on its website. McCormick states emergency service is available 24/7. McCormick has served northern Colorado for 20+ years. Greeley's high-plains temperature swings make quick HVAC response especially important here.
Residential HVAC in Greeley and northern Colorado, focused on AC repair and installations. NATE-certified technicians handle heat pumps and ductless mini-splits, per the website. Emergency Response: 24/7 and same-day service are advertised on-site. Financing Available: Yes, as noted on the company's financing page.
| Signal | McCormick Heating & Cooling | Greeley avg | Delta |
|---|---|---|---|
| Vouched Score | 89/100 | 81/100 | +8 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 1,070+ | 470+ | +598 vs avg |
| Years in business | 20+ | 43+ | -23 vs avg |
- High Google rating (4.9★ across 1,070+ reviews)
- Long-established (20+ years in business)
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Indoor air quality services
- Mini-split system specialist
- Specializes in AC repair
- You need AC repair
- You need indoor air quality work
- You need mini-split installation
- You need to finance the work
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
McCormick Heating & Cooling (this company) |
89/100 | 4.9★ (1,070+) | 20+ | — | — | Highest Vouched Score |
| 83/100 | 4.9★ (375+) | 25+ | — | — | Best for Geothermal Best for Ductwork & Sealing |
|
| 87/100 | 5.0★ (530+) | 92+ | — | — | Best for Heat Pumps Best for Smart Thermostat Install Best for Rebates & Tax Credits |
|
| 75/100 | 4.9★ (190+) | 52+ | — | — | — |
Company-wide signals
True across every category below.
McCormick Heating & Cooling states central AC system replacement and new-install services. The company lists NATE-certified technicians and EPA-certified refrigerant handling. McCormick lists twenty years serving Greeley and Northern Colorado homeowners. The site advertises emergency response and same-day availability for summer outages. Google reviews note technicians explaining diagnoses and repair options clearly.
Choose them for AC Replacement if
- You need same-day AC replacement
McCormick states same-day and 24/7 emergency AC response on their site. Their site lists NATE-certified techs and EPA 608 certification. Founded in 2006, McCormick shows 20+ years serving Northern Colorado. Their website notes financing options for repairs and installations. Greeley's summer heat makes fast same-day AC repairs especially valuable.
Choose them for Emergency AC Repair if
- You need same-day AC repair
- You need after-hours AC repair
- You need weekend & holiday AC repair
McCormick leads with diagnostic-first furnace repairs and focused troubleshooting. The company lists NATE-certified technicians on staff. Greeley's winter cold makes fast no-heat response essential; McCormick states 24/7 emergency response. Customer reports note same-day repairs and clear explanations from technicians.
Choose them for Furnace Repair if
- You need no-heat / emergency furnace repair
- You need furnace tune-up & maintenance
ac_repair specialization is prominent, with diagnostics and repairs emphasized on their site. McCormick notes NATE-certified technicians per their credentials list. McCormick advertises 24/7 emergency response and same-day service availability. McCormick lists financing options and a local office serving Northern Colorado. McCormick states they have served the region for 20+ years.
Choose them for AC Repair if
- You need AC tune-up & maintenance
McCormick emphasizes ductless mini-split installation expertise and in-house project experience. The company notes NATE-certified technicians on staff. McCormick advertises financing options for higher-ticket ductless systems. Greeley's high-altitude summers make efficient mini-splits a common recommendation locally.
McCormick Heating & Cooling lists NATE-certified technicians on its site. The site advertises in-duct UV-C germicidal installations. Ventilation solutions note ERV/HRV options for whole-home fresh air. Greeley's dry, cold heating season increases humidifier demand and system strain. Local reviews praise punctual, thorough technicians on service calls.
McCormick Heating & Cooling lists furnace replacement and full-system changeouts with named installer experience.
Choose them for Furnace Replacement if
- You need same-day furnace replacement
Ducted air-source heat pump installation specialist, per their site. McCormick Heating & Cooling lists NATE-certified technicians. McCormick has served Northern Colorado neighborhoods since 2006, including Greeley’s mixed-age housing stock. Customer reviews praise thorough diagnostics and clear explanations from technicians.
Choose them for Heat Pump Installation if
- You need heat pump replacement
- You prefer a family-owned operation
What customers say
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Guarantees & credentials
- EPA-certified
- Satisfaction Guaranteed
- NATE-certified
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
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Does McCormick Heating & Cooling do AC Repair in Greeley, CO?
Does McCormick Heating & Cooling do AC Replacement in Greeley, CO?
Does McCormick Heating & Cooling do Heat Pump Service in Greeley, CO?
Does McCormick Heating & Cooling do Mini-Split Systems in Greeley, CO?
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Profile last updated July 28, 2026.