About Gleason Heating and Air Conditioning

When your home or business in North Illinois needs quality, reliable heating and cooling services, look no further than Gleason & Elfering Heating & Air Conditioning. As a customer-focused heating and air condition company, we prioritize your comfort and satisfaction with our services.

Learn more about why we’re the right choice for your family or business below, or contact our team of heating and cooling experts today!

A Hallmark of Excellence Since 1950

For more than 70 years, we’ve proudly served the heating and cooling needs of residential and commercial customers throughout Wauconda, IL, and its surrounding communities. As a Safe Shield Protected™ certified company, we specialize in designing, engineering, and installing complete comfort systems for residents and business owners just like you. We’re proud to offer service for the following:

• Furnaces
• Air Conditioning
• Air Quality
• Water Heaters
• And more

Skilled HVAC Professionals in Wauconda, IL

At Gleason, we know our customers expect the best. That’s why we take special pride in training and employing highly skilled, professional craftsmen. From the moment our heating and cooling professionals arrive to the moment they wave goodbye, you’ll enjoy the friendly assistance and integrity they provide during your service appointment.

Licensed and Insured HVAC Services, Guaranteed

In addition to ensuring your Wauconda area home or business stays comfortable, we work hard to make your service experience with us hassle-free and convenient. No matter what kind of service you request from our team, you can enjoy the peace of mind that it will be insured. 

Compare our guarantees against the limitations, fine print, and exclusions other companies tend to use to back their work. While they typically only guarantee the functionality of their equipment, we want your complete satisfaction with our service. If you require additional services or repairs after our visit, we’ll do everything in our power to remedy the situation.

Enjoy Excellent HVAC Services in North Illinois

When you trust our team, we take that responsibility seriously. We pledge to tell you up front what your cost will be to complete the job. In the event we find any details or limitations during our service that will affect the final price, we’ll let you know immediately, rather than after the fact.  

Don’t settle for heating and cooling service providers that aren’t committed to helping you achieve 100% satisfaction. When you’re ready to be comfortable in your home or business, give us a call, or schedule a service appointment online. We proudly service the following areas and more in North Illinois:

• Wauconda
• Cary
• Island Lake
• Mundelein
• McHenry