Fast Furnace Replacements in Crystal Lake

Furnace Installation in Crystal Lake, IL

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

special promo

Special Carrier Furnace Promo

Up to $1,450

in Rebates

Is your furnace causing problems or driving up your heating costs? Reach out to WeatherWise Heating & Cooling today for a free estimate on furnace installation.

It’s Time for a New Furnace

At WeatherWise Heating and Cooling, we’ll help you get a new energy-efficient heating system. Our HVAC technicians offer their highest recommendation to find a heating solution that keeps you comfortable and safe.

If you’re worried about the cost, we have financing options, and all our HVAC equipment and labor come with full warranties. If you need a new furnace, our expert technicians can discuss it with you during a free in-home consultation.

Signs It’s Time to Replace Your Furnace

Here are some signs that it’s time for a new furnace. We’ll assess your furnace to determine whether heating replacement in Crystal Lake is the best option:

  • Flickering pilot light
  • Your system is over 15 years old
  • Rust and corrosion inside the furnace cabinet
  • Increased energy bills
  • Loss of heating capability
  • Loss of airflow from supply vents
  • Physical damage to the heating unit
  • Frequent repairs to the unit

Furnace Replacement Services

WeatherWise Heating & Cooling provides a range of services for both residential and commercial AC needs. As a family-owned and operated business, we always back our services with a 100% satisfaction guarantee. Count on us to be punctual, offer upfront pricing, and provide friendly service. Not to mention, we offer same-day furnace replacements in Crystal Lake and nearby areas.

We offer services for various heating systems, including gas furnaces, propane furnaces, electric air handlers, and heat pumps. We’re dedicated to providing on-site heating services without trip charges and regular tune-ups for efficient HVAC systems. Also, we’re here 24/7 for year-round emergency assistance and discounts on replacement parts, repair labor, and new unit purchases.

Everyone Loves WeatherWise!

Our past customers highly recommend us with their 4.9-star Google reviews. We partner with top manufacturers to offer quality heating systems at the best prices. Our team will present various models to meet your needs. No matter what, you can always trust WeatherWise to complete the job quickly and efficiently.

Contact Us!

Have furnace troubles? Contact WeatherWise Heating & Cooling to discover how we can assist you! For 24/7 emergency heating services and HVAC support, call (815) 477-7766 now. Ask about our maintenance programs to keep your new furnace working all year.

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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