Stewart Adams & Son HVAC | Heating & Cooling in Port Huron, MI

(810) 982-0706
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EST. 1946 · PORT HURON'S PREMIER HVAC EXPERTS

A Legacy of Comfort.
A Future of Precision.

Fourth-generation HVAC mastery serving Port Huron, Marysville, Fort Gratiot, and the Blue Water Area. Fully certified. Family-owned. Your comfort is our commitment.

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See Our Work
  • Licensed & Insured
  • Same-Day Service

Years in Business
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Five-Star Reviews
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Generation Owned
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Google Rating
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OUR SERVICES

Full-Service
HVAC Solutions

From emergency repair to full installation, we cover every aspect of your home comfort system.

Installation & Replacement

High-efficiency HVAC system installations tailored to your home. From central air to furnaces, heat pumps, and boilers — precision-engineered for maximum comfort and energy savings.

  • Furnace Installation
  • AC Systems
  • Heat Pumps
  • Boilers
  • Water Heaters

Maintenance & Tune-Ups

Preventive maintenance that extends the life of your equipment. Our Precision Tune-Up catches issues before they become emergencies and keeps your system at peak efficiency.

  • Seasonal Tune-Ups
  • Filter Replacement
  • System Inspections
  • Duct Cleaning

Repair & Emergency Service

Furnace quit at midnight? AC down in July? Our expert technicians respond fast with same-day emergency service to restore your comfort — often within the hour.

  • 24/7 Emergency
  • Same-Day Repair
  • Diagnostics
  • Parts Replacement
View All 9 Services
OUR WORK

Precision Craftsmanship

Every installation reflects our commitment to quality. Browse recent projects across the Blue Water Area.
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WHY CHOOSE US

The Stewart Adams Promise

Family-owned since 1946, we’ve been the Blue Water Area’s most trusted HVAC company for four generations. Mike Adams carries on a legacy built by his grandfather — one of integrity, craftsmanship, and doing the job right the first time.

80+ Years of Experience

Four generations of HVAC mastery, established 1946.

Fully Licensed & Insured

Certified technicians. License #7115749.

5.0 Google Rating

241+ five-star reviews from real Port Huron families.

Family-Owned Values

Honest pricing, transparent service, no hidden fees.

Read Our 241+ Reviews



CUSTOMER REVIEWS

What Port Huron Families Say

“My AC went out on the hottest week of the year. I got a second quote from Stewart Adams, and I’m so glad I did! Top of the line unit, great price, and amazing service.”

Cindi Favorels

Port Huron

“Mike installed our heating system and has maintained it for years with outstanding reliability. No job is too big or small. I now trust his company with our industrial heating and cooling as well.”

Nick Rex

Port Huron

“My AC went out on the hottest week of the year. I got a second quote from Stewart Adams, and I’m so glad I did! Top of the line unit, great price, and amazing service.”

Sandra Oswald

Port Huron

“My AC went out on the hottest week of the year. I got a second quote from Stewart Adams, and I’m so glad I did! Top of the line unit, great price, and amazing service.”

Cindi Favorel

Port Huron

“My AC went out on the hottest week of the year. I got a second quote from Stewart Adams, and I’m so glad I did! Top of the line unit, great price, and amazing service.”

Cindi Favorel

Port Huron

“My AC went out on the hottest week of the year. I got a second quote from Stewart Adams, and I’m so glad I did! Top of the line unit, great price, and amazing service.”

Cindi Favorel

Port Huron

Read All 241+ Rviews
GET IN TOUCH

Ready for Comfort?

Book online, call us, or send a quick message — we respond fast.

Call Us

(810) 982-0706
Mon–Sat, 7 AM – 5:30 PM

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We'll respond within hours

Visit Us

1665 Yeager St
Port Huron, MI 48060

CALL US

Mon – Sat 7 AM–5:30 PM
Sunday: Closed

One Step Away

Don't Wait Until
It Breaks.

Whether you need an emergency repair or a routine tune-up, our expert team
is ready. Fast, friendly, and affordable — guaranteed.

Request a Free Quote
(810) 982-0706