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Mt. Prospect Heating and Cooling

Since 1971, Four Seasons Heating and Air Conditioning has offered comprehensive heating and cooling services to homeowners in Mt. Prospect and beyond. From routine HVAC repair to heating and air conditioning emergency services, our extensively trained and fully licensed professionals have everything you need to keep your HVAC system running efficiently. 

We distinguish ourselves from other heating and cooling companies by featuring the highest-quality products from industry-leading brands, expert HVAC repair and installations, and an unrivaled dedication to customer satisfaction. Our commitment to quality has earned us an A+ accreditation with the BBB as well as the “Super Service Award” from Angie’s List. When you want the job done right, turn to Chicagoland’s most trusted HVAC service contractor, Four Seasons Heating and Air Conditioning.

Mt. Prospect Heating Repair Services You Can Trust

As a homeowner, you understand that not all problems pop up during normal business hours and when you choose us for your Mt. Prospect heating services, you don’t have to worry about an emergency in the middle of the night. We have 24/7 emergency services, prompt response times, and we don’t add charges for after-hours calls. Whether your furnace blower motor goes out or you need us to take a look at your furnace ignitor, we’re always just one phone call away. Some of our heating services include:

  • Furnace Replacement
  • Boilers
  • Heat Pumps
  • Ductless Systems

Experienced Professionals for Your Mt. Prospect AC Repair

Concerned about the efficiency of your home AC unit? Let the licensed technicians at Four Seasons Heating and Air Conditioning take care of all of your central air maintenance needs. Our skilled AC repair technicians are all extensively trained, drug-tested, and background checked, so you can choose us in confidence knowing that we treat you and your home with care and respect. Count on our Mt. Prospect professionals for:

  • Home AC Unit
  • Central Air Maintenance
  • Smart Thermostats

Find Out More About Our Emergency Heating and Air Conditioner Company

Why spend hours searching “Mt. Prospect HVAC contractor near me” when you could give the professionals at Four Seasons Heating and Air Conditioning a call? With everything from routine maintenance to 24/7 emergency services, we can handle any need you have. Give us a call to learn more or request a no-cost, no-obligation project estimate by filling out our online quote form today.

We're Ready to Help...Now!

Day or night, 24/7, count on trusted service from Four Seasons Heating and Air Conditioning.

With a fleet of over 500 vehicles and a staff of 750+ employees, Four Seasons Heating and Air Conditioning stands as the Midwest’s largest heating, cooling, and plumbing contractor. Transparent pricing, knowledgeable technicians, and award-winning customer service are just a few of the many reasons why our customers love us.

$50 off Your Furnace Tuneup!

Annual maintenance is key for your furnace to operate at maximum effectiveness. A dirty furnace has to work harder and will cost more to operate—increasing your utility bills.

$100 Off Certified Air Duct Cleaning

Duct cleaning is an important part of maintaining any home or business. Keep your air cleaner with $100 off duct cleaning!

Save $35 On Any Repair Service

Repair Service in Hours, Not Days. Save $35 on any HVAC or Plumbing service.

24/7 Service
BBB - Most HVAC 5 star reviews
NATE Certified Technicians
Lennox Circle of Excellence

For All The Right Reasons

Experienced professionals for all of your HVAC & Plumbing Needs



Customers Annually



Fully Stocked Vehicles



Five Star Reviews



Industry Awards