Assurance Heating & Air Conditioning, Inc.

08/26/2026

❤️ When it comes to your home's comfort, trust matters.

For more than 40 years, families throughout Buffalo Grove and the surrounding communities have relied on Assurance Heating & Air Conditioning for honest recommendations, dependable service, and quality workmanship.

As a family-owned business, we believe in treating every customer with respect and standing behind every job we do.

✨ Our Work Is Your Assurance.

📞 847-243-6634

08/18/2026

🚨 HVAC emergencies don't always happen during business hours.

Whether your AC quits on a hot summer night or your heating system stops working when you need it most, Assurance Heating & Air Conditioning is available with 24/7 emergency service.

When comfort can't wait, we're ready to help.
📞 847-243-6634

08/13/2026

💰 HVAC problems rarely happen at a convenient time.

That's why we're helping homeowners save with $50 OFF any repair. Whether it's your air conditioner, furnace, or another HVAC issue, our experienced technicians are ready to help restore your comfort.

📞 Call 847-243-6634 to schedule service.

Restrictions may apply.

08/07/2026

☀️ Northern Illinois summers can put your air conditioner to the test.

One of the easiest ways to improve performance is replacing a dirty air filter. A clean filter helps improve airflow, supports system efficiency, and can reduce strain on your equipment.

If your system isn't keeping up with the heat, we're here to help.

📞 847-243-6634

08/03/2026

🏠 Since 1981, Assurance Heating & Air Conditioning has been helping families throughout Buffalo Grove and the surrounding communities stay comfortable in every season.

As a family-owned and operated business, we believe customers aren't just customers—they're part of our extended family. For more than four decades, we've delivered honest service, dependable workmanship, and comfort you can count on.

✨ Our Work Is Your Assurance.

📞 847-243-6634

02/05/2026

Practical Steps to Improve Furnace Efficiency in Highland Park, IL

Check out this month's blog to learn about some practical, homeowner-friendly tips to help boost furnace efficiency.

01/20/2026

Check out our latest blog!

Here’s how to catch the warning signs of a faulty furnace pressure switch early and avoid bigger, more costly problems down the road.

12/12/2025

Reasons to Invest in a Furnace Upgrade in Wheeling, IL

Check out this month's blog to learn about some compelling reasons to invest in a furnace upgrade for your Wheeling, IL home.