Commercial HVAC Services | Weatherwise Heating & Cooling, Inc.

Commercial HVAC Services

In Crystal Lake & Surrounding Areas

Serving McHenry, Lake, Kane & Cook County!

Schedule Service or call us today 815-477-7766

Winter 2024

special promo

Special Carrier Furnace Promo

Up to $1,450

in Rebates

Here at Weatherwise Heating and Cooling, we offer a wide range of commercial heating and air conditioning services. Looking for a new system installation or repair? We can save business owners thousands of dollars in utility bills each year with an efficient air solution or new HVAC equipment.

We offer a full line of light commercial equipment replacements and repairs. These commercial units have multi-zone heating and cooling efficiency to keep you comfortable. With over 50 years of professional HVAC experience, we are reliable and trusted team of HVAC technicians that get the job done right the first time.

From small businesses to shopping centers and office buildings, our licensed and trained technician can handle a repair, maintenance, or replacement for all your commercial equipment.

Commercial HVACR Services include:

  • Roof-Top Unit Repair
  • Roof-Top Unit Maintenance
  • Air-Handling
  • Exhaust and Ventilation
  • Air Handling Systems
  • Ductless Split Systems
  • Air Cleaning
  • Humidification

Commercial HVAC Properties we work with:

  • Office Buildings
  • Retail Stores
  • Banks, Churches, Warehouses, Country Clubs
  • …and more

Contact us at 815.477.7766 today to schedule service with our team! We offer honest, upfront pricing in writing and industry leading warranties on parts, repairs and service.

wwhc van

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