40+ Years Of Expertise in Heating & Cooling In Lake County
Put our extensive history of experience and expertise to work with exceptional heating and cooling services.
With our competitive prices, Lee Mechanical provides the best value for long-term energy saving on your utility bills as well as long-lasting heating and cooling appliances. Our goal is to provide customers with the absolute best in service. That’s why we dedicate ourselves to servicing all major brands and all aspects of home heating and cooling.
Whether your home is located along the beautiful shores of Lake Michigan in Winthrop Harbor, near the Ray Bradbury Experience Museum in Waukegan, close to Six Flags Great America, or by Chain O’Lakes State Park, our expert team has been fixing, installing, and updating homes and businesses across Lake County and southeast Wisconsin for more than 40 years.
Get a quote today and experience the highest quality service today.

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Current Special
7-year Extended Warranty on the purchase and installation of a new Generac Guardian Series Generator – $695 Value
KEEP YOUR HOME WARM IN THE WINTER
Winters can be brutal, especially when the furnace isn’t working. Stay warm this winter with heating services that ensure proper operation of your furnace, boiler, and radiant heater for a comfortable, cozy season.
BEAT THE SUMMER HEAT
No need to relive the days of sticking noisy fans in every window to chill out in the scorching summer heat. Our pros will install and repair air conditioning units and zoning systems so your entire home stays as frigid as you want it to be.
KEEP YOUR HOME COMFORTABLE
Your breathing environment matters just as much as the air outside. Purify the air inside your home or office and keep it fresh with air purifiers, multi–stage air purifiers, and humidifiers. Breathe easy knowing these systems are hard at work, day and night.
GENERAC GENERATORS
LENNOX HEATING & COOLING
We are proud to service all Lennox appliances, ensuring quality installations and repairs for a home that’s as comfortable as it is functional. As one of the industry leaders in HVAC, we work closely with our technicians to ensure your satisfaction.
Complete Heating & Cooling Services Offered Throughout Lake County
- Furnaces
- Gas boilers
- Radiant heating systems
- Energy Recovery Ventilators (ERV)
- Gas fired unit heaters
- Air conditioners
- Heat pumps
- Air purification systems
- Media air cleaners
- Programmable thermostats
- Ductless split heat pump systems
- Generac generators
- Humidifiers
- Zoning systems
- Snow melt systems
- Duct cleaning
- Lennox heating & cooling
Service Areas in Lake County
Customer Reviews
FINANCING AVAILABLE
Don’t worry, Lake County, the Lee team understands that home repairs and emergencies can happen at the most inopportune times. To help make projects or unexpected repairs simpler and to keep family budgets on track, Lee has partnered with Service Finance Company, LLC to offer our customers a financing option. Service Finance Company provides no-interest loans to help with unexpected home repair expenses or to start your next remodeling project!
PROUDLY SERVING RACINE COUNTY WITH UNPARALLELED SERVICE
In need of air conditioning repairs, home heating replacement, or generator installation? Lee is your go-to provider for all things related to the comfort and function of your home and office.
From individual temperature control per floor to total connectivity between building power and external generators, we have you covered. Our installations and repairs are performed by leading technicians, meaning you can rest assured that your property is protected from heating- and cooling-related issues for years to come.
Contact our team of expert technicians and sales reps to find the perfect solution for your home and office. When it comes to heating and cooling, Lee Mechanical is the name to remember.