AC Maintenance

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

Fall 2023

special promo

Special Carrier Furnace Promo

Up to $1,450

in Rebates

Expert Air Conditioning Service in Crystal Lake, IL

If you notice any flaws in your air conditioning system, it may be time to schedule a tune-up. WeatherWise Heating and Cooling offers affordable, high-quality AC maintenance around Crystal Lake, IL. Don’t wait until these issues worsen. Call us today to schedule an appointment!

AC Tune Up in Crystal Lake Performed by WeatherWise Heating & Cooling

WeatherWise Heating and Cooling is your go-to professional AC maintenance company in the greater Crystal Lake region. Our NATE-certified HVAC technicians have the tools, training, and experience to fix your air conditioner fast. We guarantee a thorough multi-point inspection for all working parts and components, including

  • Air filters
  • Condenser coils
  • Refrigerant
  • Evaporator coils
  • Compressors
  • Indoor air quality
  • Air ducts
  • And much more!

At WeatherWise, we ensure hard-working professionals come ready to finish the job, large or small. We value our customers, providing high-quality AC services anytime, anywhere. Consider enrolling in our Preventative Maintenance Agreement plan to save more money on your regular maintenance trips.

Need A/C maintenance and tune-up? Call WeatherWise Heating & Cooling at (815) 477-7766 to schedule service on your A/C system!

Benefits of AC Tune-Ups

Whether it’s for residential or commercial AC units, you can expect significant benefits from our AC maintenance services, such as

Cost and Energy Efficiency: AC maintenance saves money in long-term upkeep. Annual tune-ups ensure your air conditioner uses less energy, resulting in smaller energy bills later. Maintenance also protects your AC from working harder, requiring fewer HVAC repair trips.

Durability: Air conditioners can last 15 to 20 years with proper maintenance. Our HVAC contractors ensure fast and efficient results. Then, you don’t need to worry about future replacements.

Peace of Mind: Once you call us, you don’t need to stress over a broken HVAC system. WeatherWise guarantees optimal home comfort and safety all year long.

Why WeatherWise?

You can trust WeatherWise to finish the job. As your local heating and air conditioning company, we’ve proudly served the greater Crystal Lake area for 50+ years. With 24/7 availability for same-day emergency services, you know WeatherWise is here for you.

That’s why our customers highly recommend us as the best HVAC company in Northern Illinois. Check out our 5-star reviews to see for yourself!

Schedule an Appointment Today!

We’re always happy to answer your questions or concerns. If you need air conditioning service in Crystal Lake, call us at 815-477-7766. We’ll even throw in a free at-home consultation. No matter what, WeatherWise Heating and Cooling guarantees 100% satisfaction with HVAC services tailored to your needs and budget.

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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