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Same-Day Installations

0% Financing For 18 Months!

Certified, Background-Checked Techs

Save big on a full HVAC system. We make upgrading your HVAC system fast, easy, and affordable, so your home stays comfortable no matter what the West Michigan weather brings.

Trusted By Thousands Of West Michigan Homeowners

Save up to $3,000 OFF on a New HVAC System During Our Biggest Sale Of The Year

West Michigan Homewners,

Something that should be considered a stressful situation was made easy by Sullivan Heating and Cooling. Amazing response time, supportive staff, and the best deal I could find. Definitely will be my first call next time! Thanks everyone!

Tim B

Everything got done in one day. Jordan and Matt replaced my A/C unit and added newer safer systems. They were very helpful in being informative about everything they did and carried themselves very politely through my home.

Alicia T

When your Home Comfort is in trouble, call Sully on the double! Great company; great employees this is one of my favorite jobs. Reliable affordable and exceptional customer service 🫶🏻

Kaitlyn B

Extended Warranty

Biggest Sale Of The Year!

A Local, Family-Owned Company

Emergency Service Available

Get Up To $3,000 OFF A HVAC System This Month

Sale Ends September 15th

Your Questions Answered By The Experts:

🛠️ How quickly can you install my system?

Most systems can be installed in as little as one day!

🧾 Is the quote really free?

Yes — it’s 100% free with no pressure, no obligation, and no hidden fees. We’ll walk you through your options so you can make the best decision for your home.

🧰 Do your systems come with a warranty?

Yes — we include extended warranties on parts and labor for your peace of mind.

Sale Ends September 30th

How We Can Help:

Full HVAC System Replacement & Repair

Air Conditioning Replacement & Repair

Furnace Replacement & Repair

HVAC System Inspections

Emergency HVAC Repairs

Plus More...

Biggest Sale Of The Year!

$3,000 OFF

A New HVAC System

&

Same As Cash Financing

For 18 Months!

Hurry, Sale Ends September 15th

Up To

West Michigan's Most Trusted HVAC Company

Extended

Warranty

Biggest Sale Of The Year

Get Up To $3,000 OFF A HVAC System This Month

Sale Ends September 15th

Biggest Sale Of The Year

Get Up To $3,000 OFF A HVAC System This Month

Sale Ends September 15th

Biggest Sale Of The Year

Get Up To $3,000 OFF A HVAC System This Month

Sale Ends September 15th

616-512-2461