Crystal Lake AC Repair - WeatherWise Heating and Cooling

Air Conditioning Repair

In Crystal Lake & Surrounding Areas

Serving Algonquin, Cary, Crystal Lake, Huntley, Lake In The Hills, McHenry and the greater areas.

Schedule Service or call us today 815-477-7766

Winter 2024

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Special Carrier Furnace Promo

Up to $1,450

in Rebates

Air Conditioning Repair in Crystal Lake, IL

Our licensed air conditioning specialists in Crystal Lake know a thing or two about AC repair. They understand how uncomfortable and unsafe it is for residents to spend time in a home or business without properly working air conditioning. If your AC breaks, call us to fix it. Our professional AC technicians diagnose, repair, and maintain air conditioners for year-round performance.

Air Conditioning Repair Crystal Lake, IL

Reliable AC Repair in Crystal Lake Whenever You Need Us!

We repair most major makes and models of HVAC units and are happy to speak with you on the phone. Even if you need to schedule maintenance visits, we gladly provide experienced, NATE-certified HVAC technicians to your home as soon as possible. We also offer year-round emergency services for cooling units experiencing unforeseen issues during the night, on weekends, or holidays.

Signs It Might Be Time For A Repair

Below are several signs that it may be time to replace your air conditioner. Call us to properly diagnose the current issues of the cooling system to decide if replacement or repair is the best option.

  • Strange noises from your unit
  • Your rooms have cool and warm spots
  • Energy bills are more expensive
  • Dripping or leaking water
  • No cool air
  • Poor indoor air quality
  • The refrigerant drips or leaks
  • Loss of air flow

We Repair All Air Conditioning Brands, Makes, And Models!

We offer the following repair services for all residential and commercial air conditioning services.

  • Thermostat replacement or repair
  • Heat pump repair and replacements
  • Air handlers service
  • Refrigerant replacement
  • 24-hour emergency repair service
  • Multi-zone air conditioning systems
  • Humidifier service
  • Dehumidifier service

Not only are we committed to providing you with unbeatable on-site, quality heating and cooling 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.

Why Us?

We are family owned and operated and provide a 100% satisfaction guarantee on all our services. You can trust us to be on time, have upfront pricing, and be friendly. In addition, WeatherWise Heating & Cooling offers same-day service in Crystal Lake, IL, and surrounding areas. Check out our 4.9-star Google review ratings from past customers who have installed and replaced air conditioning systems.

We have over 50 years of heating and air conditioning homes. Our team of professionals will quickly and effectively target the issue with your AC system. You can rest assured our highly skilled technicians provide a fair price and readiness to answer any questions you may have before work begins. Our ultimate goal is your comfort with our services so you can enjoy an air-conditioned home!

Contact WeatherWise Today!

If you need professional AC repair in Crystal Lake, IL, contact WeatherWise to set up a free estimate. Call (815) 477-7766 today to speak to a team member about our HVAC services.

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Why Choose Us

Heating & Cooling

Locally owned & operated professionals in air
conditioning, heating & plumbing service:


Satisfaction Guarantee


24/7 Emergency Service


Locally Owned


Competitive Pricing


Trained Technicians


Certified & Insured

Satisfied Clients

See Why Your
Neighbors Keep
Calling Us

Read All Reviews

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!

Tom Froelich


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!

Cynthia Simmons


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.

Ryan Gerstad