Reliable Heating & Cooling in Buffalo Grove, IL

Reliable Heating & Cooling in Buffalo Grove, IL

Gleason Heating and Air Conditioning is known for its trusted experience, expertise, and reliability. When your heating or cooling system needs any type of service, we are here to help.

We have over 70 years of experience in the HVAC industry and our goal has always been to provide the best service for heating and cooling maintenance, repair, replacement, and installation.

Women in black tank top dabs sweat from her face as she stares in frustration at air conditioner control panel

Heating Systems & Services

When you start putting your summer wardrobe in storage boxes, it’s a good time to schedule heating maintenance, to have our HVAC technicians make sure your system is in good working order. We don’t want you to be stuck in the middle of a blizzard without a functioning heater in your home.

We want you and your family to be safe and warm all winter long – no matter what heating issue you face, we are here to help.

Heating Repair

When your furnace or boiler starts showing signs of trouble, call us to do an inspection and make repairs. Illinois winters are serious and can pose extreme threats to your family’s wellness without proper heat. We are a family-based business and take your comfort to heart, so when you need us, we will be there for you.

Heating Replacement & Installation

Our NATE certified technicians have the experience and knowledge to replace or install any type of furnace or boiler. They will assess the problem and repair the issue, only recommending replacement if absolutely necessary.

If you are considering a new installation, we can make educated recommendations to suit your family’s needs and your budget. Just call or request an appointment online for a free consultation.

Air Conditioning Systems & Services

As you begin spring cleaning chores in your home, consider having your AC checked for the coming hot weather. Preventative maintenance is key to avoiding major issues, so plan ahead whenever possible.

Here at Gleason Heating & Air Conditioning, we know how miserable hot weather can be without reliable cold air in your home. Not only is it uncomfortable, but it can also be dangerous and cause serious health issues, including heat stroke.

Air Conditioning Repair

Our HVAC technicians are true professionals when it comes to inspecting and repairing cooling systems. As soon as you notice issues with your AC, call us immediately to avoid small problems becoming larger ones. Repairing immediate concerns is highly recommended over waiting and potentially needing a system replacement.

Air Conditioner Replacement & Installation

Even under the best circumstances and regular maintenance, all air conditioning systems eventually wear out and need to be replaced. We are here to help you with any repair issues you have, and if you need to replace your HVAC system, we will do so with the same professionalism and care that you have come to expect from us.

If you are considering a new central HVAC or ductless system, our experienced HVAC technicians will make recommendations based on your cooling needs and budget. Just call to schedule a free consultation or request an appointment online.

Main in red plaid shirt and blue overalls repairs inside of hvac unit

Family Business For 70 Years

We have been providing customers with high quality HVAC service in Buffalo Grove, IL since the 1950s – a tradition we are proud to continue. Gleason Heating & Air Conditioning is a full service HVAC contractor with NATE certified technicians and a 100% customer satisfaction guarantee.

You can trust and rely on us to always be here for all your HVAC maintenance, repair, replacement, and installation needs. Request an appointment online any time or give us a call. We look forward to serving you.

What Makes Gleason Different

Our main advantages! See what makes Gleason stand out from the competition

Safe Shield Protected NATE HomeAdvisor Customer Satisfaction 100% Guarantee

Find Your Service Area

Gleason Service Areas

Since 1950, Gleason Heating and Air Conditioning has proudly served a wide range of communities throughout northern Illinois. Whether your air ducts need cleaning in Mundelein, or your furnace in Wauconda is on the fritz, it’s our mission to help you regain your home comfort as soon as possible.

For complete plumbing, heating, and cooling services in Illinois, contact Gleason's HVAC system experts! Not sure if our team services your area? Give us a call today and find out how we can help!

  • Algonquin
  • Antioch
  • Arlington Heights
  • Barrington
  • Buffalo Grove
  • Carol Stream
  • Carpentersville
  • Cary
  • Crystal Lake
  • and more
If you don't see your area listed below, please give us a call on
HVAC Experts

Our HVAC contractor experts are here to provide you with superb service for your Wauconda area home.