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THE MOST

COMFORTABLE

CALL YOU CAN MAKE!

  • Service All HVAC Makes & Models
  • Family Owned & Locally Operated
  • 100% Satisfaction Guarantee
  • Free Estimates, Upfront Pricing

One Call Away

From Comfort!

  • Service All Makes & Models
  • Family Owned & Locally Operated
  • 100% Satisfaction Guarantee
  • Free Estimates, Upfront Pricing

Your Trusted HVAC Service in Crystal Lake & Surrounding Areas

Serving Customers across: Mchenry, Kane
and Cook County & the Surrounding Areas

Searching for dependable HVAC service, repairs or installation? Here at WeatherWise Heating & Cooling, we deliver high-quality heating and cooling services throughout Crystal Lake and the surrounding areas. With more than 50+ years of combined experience, we stand by our Heating & Air Conditioning services with a 100% satisfaction guarantee.

We repair most heating and air makes and models and are happy to speak with you on the phone, free of charge, should you have any questions. We provide reliable, unmatched service and innovative HVAC products from leading manufacturers like American Standard and Bryant. WeatherWise guarantees a certified technician will be at your door within 24 hours of calling — with no trip fee!

We Service All Makes & Models

Lennox Repair Crystal Lake IL
Trane Repair or Install Crystal Lake IL

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Get a call back today!

We're Commited To Year-Round Comfort

Learn More About WeatherWise Heating & Cooling & What Makes Us Different In Providing The Best HVAC Service.

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Why WeatherWise Heating & Cooling?

We are a team of certified and trained technicians. Learn how we can help you with your heating and cooling needs.

24-Hour Service Available

Family Owned & Operated

Up-Front Pricing & Financing

Licensed & Insured

Trained Technicians

Highly Reviewed

Discount Club Membership

30% OFF ALL HVAC REPAIRS

ANNUAL A/C & FURNACE TUNE-UPS

MEMBER ONLY PRICING

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Customer Reviews

Tom Froelich
Tom Froelich
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I've been using WeatherWise for years and always happy with the service. They are always on time and best of all, reasonably priced. It's hard to find a company in that industry that you can trust. They have been there when I needed them. I trust WeatherWise and have recommended their service for my neighbors who are also very happy. I recently had them install a new furnace and air conditioner and was surprised that both were installed in less than a day. Keep up the good work!
Cynthia Simmons
Cynthia Simmons
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I had weather wise come out to my home to put on a new humidifier. They completed the job quickly, professionally, and explained how everything worked to me and my husband. When the crew was finished, they left our basement neat, clean and tidy. For the price, you really can't beat their great service!
Ryan Gerstad
Ryan Gerstad
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Weatherwise is amazing. I can tell you that these guys really know what they are doing, they are priced very fair, and treat you like friends and family. Of all the service companies I have dealt with in my time they are by far the best. Frank, on behalf of my family and my self we thank you from the bottom of our hearts for your service. A new furnace 2 days before -25 degree temps is a huge relief. Thanks again and we will see you next fall for service.
Sherry Douglas
Sherry Douglas
Read More
Frank and crew are true professionals. They arrived promptly and proceeded to replace both my ac and furnace. They explained everything about my new system and new thermostat. They even changed the filter placement to make it easier to replace. They are a wonderful family run company that I highly recommend.
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Monthly Specials

You Can Save With WeatherWise Heating & Cooling

SEE ALL COUPONS
Air Conditioning Repair Crystal Lake IL

$250 OFF

HIGH-EFFICIENCY A/C or FURNACE INSTALL

With this coupon. Cannot be combined with any other discounts, rebates or coupons. One coupon per call. Limited time only.

Air Conditioning Repair Crystal Lake IL

$400 OFF

HIGH-EFFICIENCY A/C + FURNACE INSTALL

With this coupon. Cannot be combined with any other discounts, rebates or coupons. One coupon per call. Limited time only.

Air Conditioning Repair Crystal Lake IL

$75 OFF

APRILAIRE HUMIDIFIER SYSTEM INSTALL

With this coupon. Cannot be combined with any other discounts, rebates or coupons. One coupon per call. Limited time only.

Air Conditioning Repair Crystal Lake IL

$150 OFF

HOT WATER HEATER TANK INSTALL

With this coupon. Cannot be combined with any other discounts, rebates or coupons. One coupon per call. Limited time only.

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The Most Comfortable Call You Can Make!

CUSTOMER REVIEWS
REQUEST SERVICE
CALL US 815.477.7766
We provide Heating, Cooling, Furnace & Air Conditioning Installation, Repair & Maintenance in McHenry, Kane, Lake & Cook Counties. WeatherWise is fully insured, bonded and NATE certified.
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SERVICE AREAS

Don’t See Your Town? Don’t Worry! We’re Always Expanding Our Coverage Area! Call Us Today to setup service at (815) 477-7766

Algonquin, IL
Barrington, IL
Carpentersville, IL
Cary, IL
Crystal Lake, IL
East Dundee, IL
Elgin, IL
Fox Lake, IL
Fox River Grove, IL
Gilberts, IL

Grayslake, IL
Hampshire, IL
Harvard, IL
Huntley, IL
Ingleside, IL
Island Lake, IL
Johnsburg, IL
Lake In The Hills, IL
Lake Zurich, IL
Lakemoor, IL

Lakewood, IL
Mchenry, IL
Pingree Grove, IL
South Elgin, IL
Volo, IL
Wauconda, IL
West Dundee, IL
Wonder Lake, IL
Woodstock, IL

CONTACT US

Phone: 815.477.7766
Email: info@weatherwiseheating.com
Hours: M – F  7AM – 5PM St 8AM – 12PM
24/7 Emergency Service Available

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We'RE OPEN

As people and companies all across the country take additional preparations to protect against the Coronavirus (COVID-19), we acknowledge that your Heating, Cooling problems will likely not be taking a break. 

At this time, we will remain open full-time and will continue to service our customers with the same fast response times you’ve come to expect from us.

Due to the increasing number of reported cases in the U.S., we are continuously monitoring the situation. We will also continue to actively assess the necessary actions we need to take in order to ensure the health and safety of our customers, employees, and their families. We hope that you will join us in taking some basic but important measures, such as frequent hand washing, to keep communal risk low.