Koz Heating & Cooling
Sterling Heights, MI Indoor Air Quality · #3 of 3 · NATE-certified
Overview
Ventilation-focused IAQ work highlighted by ERV/HRV ventilation expertise per their site. Koz Heating & Cooling notes NATE-certified technicians on staff. Sterling Heights winters and humid summers make ventilation and humidity control important locally. The company advertises flat-rate pricing and free estimates for IAQ installs.
Koz Heating & Cooling installs whole-home indoor air quality systems in Sterling Heights and nearby communities. NATE Certified technicians are listed on their site. ERV/HRV ventilation is named as a specialization, supporting mechanical fresh-air strategies. Flat-rate pricing and financing are advertised for IAQ installs.
Score breakdown
Sterling Heights, MI Indoor Air Quality average is 78/100. Ranks #3 of 3 listed Indoor Air Quality 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 | 77/100 | 78/100 | -1 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 300+ | 320+ | -22 vs avg |
Pros
- High Google rating (4.8★ across 300+ reviews)
When to choose them
- You need to finance the work
- You want NATE-certified technicians
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?
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What does indoor air quality 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?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Koz Heating & Cooling (this company) |
77/100 | 4.8★ (300+) | — |
A Plus Heating and Cooling, Inc. ⭐ Highest Vouched Score |
82/100 | 4.9★ (430+) | 27+ |
| 78/100 | 4.8★ (375+) | 56+ | |
Arkan's Heating And Air Conditioning ⭐ Best for Whole-Home Air Purification · ⭐ Best for Humidity Control |
75/100 | 5.0★ (160+) | 31+ |
Listed in
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Profile last updated July 26, 2026.