Lake County Heating & Air Company

Tim Hancz started the TDH Mechanical in Chicago in 1985 and quickly built a reputation for providing quality products and services for families and business throughout the chicagoland area.

For over 25 years, has been the name that home owners and businesses in the Lake County area trust and depend on for complete sales, Service and installation of HVAC and indoor air quality products. We are honored to have over 10,000 residential and Commercial customers in the Lake County area that have helped us grow to one of the top HVAC companies in the the state of Illinois.

What Services Are You Looking For?

• Gas furnace service or repair
• Quality installation of a furnace
• Air conditioner installation
• Tankless water heaters
• Air duct cleaning
• Boiler installation or repair
• Geothermal systems installation

Areas In Lake County We Service

Experience the TDH Mechanical Difference:

• Family Owned and Operated Since 1985
• Same Day Furnace & AC Servicing, Repair and Replacement.
• Free In-Home Estimates by Owner of TDH Mechanical
• All Furnace Products, Brands and Models
• Fully Trained, Licensed and Insured Furnace & AC Contractors
• Clean, Up Front Pricing, No Hidden Costs
• We Stick To OUR PRICE QUOTES/ESTIMATES
• 100% Satisfaction Guaranteed
• Reliable and Exceptional Service 24 Hours, 7 Days a Week
• Convenient Location Right in Your Neighborhood.

TDH Mechanical is your best choice when you need a heating and cooling specialist. Call us today for a free in-home estimate at 847-893-0488.