Heating Repair & Installation Services​

Serving Algonquin, Cary, Crystal Lake, Huntley, Lake In The Hills, McHenry and the greater areas, stay cool all summer long!

$750 OFF


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

The Best Services for Heating Systems in Crystal Lake & Surrounding Areas

Professional heating and furnace contractors in the Northwest Suburbs.

Fireplaces and wood burning stoves might provide you with nice ambience, but when those cold winter nights arrive, WeatherWise Heating and Cooling wants to be sure you are prepared for the worst. Our knowledgeable, professional technicians pride themselves in providing reliable heating systems and equipment as well as maintenance, repairs, and emergency services to ensure your utmost comfort and safety. Whether you are looking for heating pumps, furnaces, duct free systems, hot water heaters, boilers, or garage heating systems, we are here to help you choose the proper HVAC components to fit your needs.

Check out our 4.9 star Google review ratings from past customers who have had new installed and replaced furnace systems with us. We work with the best manufactures to ensure quality heating systems at the best price. Our services include:

Contact us at 815.477.7766 today to schedule HVAC service with our team! We offer honest, upfront pricing in writing and industry leading warranties on parts and service.

Signs it's Time to Replace your Furnace

We offer the following services for all residential and commercial heating services. We are family owned and operated and provide a 100% satisfaction guarantee on all of our services. You can trust us to be on time, upfront pricing and friendly. In addition, WeatherWise Heating & Cooling offers same day service.

  • 24 Hour Emergency Heating Services
  • Furnaces
  • Air Handlers
  • Heat Pumps
  • Boilers
  • Duct Free Systems
  • Water Heaters
  • Garage Heaters

Not only are we committed to providing you with unbeatable on-site heating services such as no trip charges and regular tune-ups to ensure HVAC system efficiency, but we also guarantee 24/7 year-round emergency assistance as well as discounts on replacement parts, repair labor, and new unit purchases.

Having issues with your furnace? Call WeatherWise Heating & Cooling to find out how we can help! For 24/7 emergency heating services, and HVAC services call (815) 477-7766 now.​

Have a question? Call 815.477.7766 or fill out the form to schedule your free estimate.



Satisfaction Guarantee

24/7 Emergency Service

Locally Owned

Competitive Pricing

Trained Technicians

Certified & Insured

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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.