A/C Replacement & Installation in Crystal Lake & Surrounding Areas

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

$250 OFF


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

Trusted A/C Installation & Replacement in Northwest Suburbs

Is your A/C unit not cooling your home? Energy Bill Costs Rising? You may benefit from a professional A/C repair or replacement.

Unfortunately, not all faulty air conditioning systems would benefit from a repair and sometimes the most cost-effective option is to say good by to your old A/C unit and replace ti with a new, often more energy-efficient one. You can rest assured that WeatherWise cooling specialists will do everything they can to provide you with the most cost-effective solution, without compromising your comfort or safety.

If you find yourself needing a new A/C system, our expert technicians will work with you via a free in-home consultation. They will provide answers to any questions you may have to ensure you make the best HVAC selection for your home and your needs. We also provide full factory warranties on all equipment and labor and convenient ways to pay via special financing options. Our ultimate goal at WeatherWise Heating and Cooling is to get you back to enjoying cooler indoor temperatures as soon as possible!

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 team of experts will provide several models to meet your needs.

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.

Replacing Your A/C System

Below are several signs that it may be time to replace your air conditioner. It’s important to give us a call to properly diagnosis the current issues of the cooling system to decide if replacement or repair is the best option.
  • Higher engery bills
  • Air conditioner is over 10 years old
  • Strange noises coming from the ac unit
  • Your A/C is not keeping your home cool and comfortable

Not only are we committed to providing you with unbeatable on-site A/C and 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.



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24/7 Emergency Service

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Trained Technicians

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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.