Crystal Lake AC Installation & Replacement - WeatherWise

A/C Replacement & Installation

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

AC Installation and AC Replacements in Crystal Lake, IL

Does your air conditioner constantly break down? Are your energy costs rising even though you’re not using your AC differently than before? Are you tired of having an older, costly AC unit and want to upgrade? If you answered yes to these questions, it’s time to replace your HVAC system. WeatherWise Heating and Cooling is here to help with professional AC installation and replacement services across Crystal Lake, IL.

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 Heating & 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, located in Crystal Lake, 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.

Expert AC Installation in Crystal Lake

Sometimes, repairs and tune-ups cannot fix every air conditioner. If the system breaks beyond repair, the next step is replacing it with a newer model. Our NATE-certified HVAC technicians will replace, install, and activate your next air conditioner so that you feel cool and comfortable. We offer cost-effective, energy-efficient HVAC services that meet your needs and budget.

Why You Should Consider AC Replacement in Crystal Lake

There are many reasons to replace your air conditioner, such as

  • Higher energy bills
  • AC emits warm or hot air
  • Poor indoor air quality
  • Air conditioner is over 10 years old
  • Strange noises coming from the ac unit
  • Your AC is not keeping your home cool and comfortable
  • A loss of air flow is another issue that could be related to an AC unit that may call for replacement.

We provide a free at-home consultation with a multi-point inspection to identify broken parts and faulty components. Then, our technicians recommend highly efficient makes and models so you can find a quality replacement for your home or business. We can handle all air conditioners, from central air to outdoor systems. Our HVAC contractors will install the new system without issue with the best tools, techniques, and safety protocols.

WeatherWise is Here to Help

As a family-owned and operated heating and air conditioning company, we want everyone to have a functional AC system. At WeatherWise, we offer competitive prices, professional integrity, and friendly customer service. Check out our numerous 5-star reviews to see our past customers highly recommend us.

Call Us for Your Next Appointment

If you need AC installation and replacement services in Crystal Lake, Algonquin, Cary, Huntley, Lake in the Hills, McHenry, and the surrounding areas, call us at 815-477-7766 for a free at-home consultation. We’re available 24/7 for same-day emergency services. WeatherWise also offers financing options so you pay low monthly rates for the quality service you deserve.

Want to save more money on your installation? Ask about our membership plan! Our Preventative Maintenance Agreements give year-round comfort with cost-saving discounts.

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.​

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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
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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