Koz Heating & Cooling
Sterling Heights, MI AC Repair · #3 of 4 · NATE-certified
Overview
AC repair specialization emphasized across residential and commercial jobs around Sterling Heights. Koz Heating & Cooling lists NATE-certified technicians on their site. The company advertises 24/7 emergency response for urgent no-cooling calls. Their site notes upfront flat-rate pricing with no overtime charges. Customer testimonials mention unique problem diagnostics and thorough repairs.
AC repair and diagnostics serving Sterling Heights and nearby Macomb County. NATE-certified technicians (per their site) handle system diagnosis and repairs. Emergency response is advertised 24/7 for no-cooling calls. Upfront flat-rate pricing with no overtime charges and free estimates are listed.
Score breakdown
Above the Sterling Heights, MI AC Repair average of 77/100. Ranks #3 of 4 listed AC Repair providers in Sterling Heights, MI.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Sterling Heights average
| Signal | Koz Heating & Cooling | Sterling Heights avg | Delta |
|---|---|---|---|
| Vouched Score | 78/100 | 77/100 | +1 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 300+ | 255+ | +45 vs avg |
What customers say
Pros
- High Google rating (4.8★ across 300+ reviews)
When to choose them
- You need AC refrigerant leak repair
- You need AC tune-up & maintenance
- You need same-day or after-hours service
- You need to finance the work
- You want NATE-certified technicians
Services
Service area
Published pricing
Maintenance plans
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$38/month for qualified buyers!
As published: $38/month for qualified buyers!"…ITH AC OR FURNACE INSTALLATION Installs as low as $38/month for qualified buyers! Schedule with coupon. Cannot be combined with oth…"
Pricing model
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Flat-rate pricing
As published: Flat-rate pricing"…tection through our shoe covers and mats Upfront, flat rate pricing—no overtime charges 24 / 7 availability for all e…"
Estimates
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Free estimates
As published: Free estimates"…omes lacking sufficient instant hot water access. Free estimate Free Thinking about a new AC or furnace? Get a FR…"
Guarantees & credentials
- Licensed Professionals
- Fully Insured
- 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
What are the pros of Koz Heating & Cooling?
When should I choose Koz Heating & Cooling?
What is the Vouched Score for Koz Heating & Cooling?
How can I contact Koz Heating & Cooling?
What does AC repair service typically cost when working with a Sterling Heights, MI provider like Koz Heating & Cooling?
What pricing terms does Koz Heating & Cooling publish on their website?
Does Koz Heating & Cooling do AC Repair in Sterling Heights, MI?
Does Koz Heating & Cooling do Emergency HVAC Service in Sterling Heights, MI?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Koz Heating & Cooling (this company) ⭐ Most Transparent Pricing · ⭐ NATE-Certified Shop |
78/100 | 4.8★ (300+) | — |
| 80/100 | 4.9★ (430+) | 27+ | |
McQuade Heating & Cooling Plumbing & Refrigeration ⭐ Highest Vouched Score · ⭐ Best for Refrigerant Leak Repair · ⭐ Best for Commercial AC Repair |
82/100 | 4.8★ (375+) | 56+ |
| 72/100 | 5.0★ (55+) | 15+ |
Listed in
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Profile last updated July 26, 2026.