WE'RE OPEN: As an Essential Business we will remain open & fully staffed for heating, air conditioning, plumbing & electrical services 24/7. We've taken precautions to exceed safety requirements from CDC to protect our customers & staff. Learn More.

Crystal Lake Heating and Cooling

Since 1971, Four Seasons Heating and Air Conditioning has offered comprehensive heating and cooling services to homeowners in Crystal Lake and beyond. From routine HVAC repair to heating and air conditioning emergency services, our experienced technicians work hard to protect your home and family. 

When you’re looking for quality heating and cooling solutions, nobody beats Four Seasons Heating and Air Conditioning. 

Our commitment to customer satisfaction through exceptional service is reflected in our A+ accreditation with the BBB, as well as industry accolades like the Angie’s List “Super Service Award.” Whatever HVAC repair needs you have, you can count on Four Seasons Heating and Air Conditioning for timely, efficient, and affordable service.

Comprehensive Crystal Lake Heating Repair Solutions

Nothing is more important to us than the safety and satisfaction of our Crystal Lake customers, which is why we offer high-quality heating services at competitive prices. Whether you need to repair a damaged furnace blower motor, a broken furnace ignitor, or you need a complete furnace replacement, our trained and licensed technicians have the skills and expertise necessary. When you choose us, you can count on benefits that include:

  • Two Hour Response Guarantee
  • 24/7 Emergency Services
  • Flexible Financing
  • No Hidden Fees or Costs

Trusted Crystal Lake AC Repair Professionals

Worried about the performance of your home AC unit? No matter the make or model of your system, Four Seasons Heating and Air Conditioning is the Crystal Lake AC repair company you can count on. Our central air maintenance services ensure your unit runs efficiently, keeping you and your family cool and comfortable. With our competitive prices and flexible financing, getting the AC system your home deserves has never been easier. 

Learn More About Our Emergency Heating and Air Conditioner Company

Tired of searching through pages of results for “Crystal Lake HVAC services near me?” Get in touch with leading heating and cooling experts, Four Seasons Heating and Air Conditioning, today to learn more about our comprehensive HVAC services. From inspection to 24/7 emergency services, we’ve got everything you need! Give us a call or request more information and a no-cost, no-obligation estimate by filling out our online quote form.

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!

Includes our industry-leading 1 Year No-Breakdown Guarantee! A dirty furnace has to work harder and will cost more to operate—increasing your utility bills.

Save $35 On Any Repair Service

Repair Service in Hours, Not Days. Save $35 on any heating, cooling, plumbing, or electrical repair.

$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!

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