We're here to help

Knollwood AC, Furnace & Boiler Services

Lindemann provides full-service furnace, water heater, and air conditioning repair, maintenance, and installation. We also service boilers, provide indoor air quality checks, and annual safety checks to our customers in Knollwood.

We have served over 15 customers in Knollwood, Illinois and over 42,213 customers in the surrounding Lake County area.

Schedule Appointment
Furnace Installation

A Service Company You Can Trust

Years of Experience

Customers Served

Customers Served

128,072 Customers Served in Illinois and Wisconsin

42,213 Customers Served in Lake County

15 Customers Served In Knollwood

Zip codes served: 60044

CUSTOMER REVIEWS Near Knollwood, Illinois

Satisfied Lindemann Customers

Quote Icon
Star Full Star Full Star Full Star Full Star Full

Stephen R. was the technician that serviced my A/C unit and he did a great job. He was very thorough, informative, and he patiently answered all my questions. I would be very happy to have him out for future appointments.

Josh H · May 9, 2025 Customer Review

Read Full Review

Lindemann Review Slider Image
Star Full Star Full Star Full Star Full Star Full

Thomas K. is great. Has serviced my furnace and installed a new water heater. Today he serviced my AC as part of my maintenance plan. Here are before and after pictures. Will always ask for Thomas and use Lindemann in the future.

Joan D · May 2, 2025 Customer Review

Read Full Review

Quote Icon
Star Full Star Full Star Full Star Full Star Full

What a great experience I had with this crew. Friendly, efficient and clean! Brandon, Anthony and James were the reason for this 5 star review! Even though the temperature is warming up, I can’t wait to use my cleaned and repaired wood burning fireplace Lindemann Fireplace is now the only Chimney company I will be […]

Linda R · March 25, 2025 Customer Review

Read Full Review

Quote Icon
Star Full Star Full Star Full Star Full Star Full

Very pleased. easy to schedule. technicians were professional, kind and informative. plan on being a return customer :). thanks, team Lindemann!

Kevin L · April 4, 2024 Customer Review

Read Full Review

Quote Icon
Star Full Star Full Star Full Star Full Star Full

Thanks for keeping our house warm with your usual good service!

June Z · March 29, 2024 Customer Review

Read Full Review

Quote Icon
Star Full Star Full Star Full Star Full Star Full

Great company and fantastic service!! Extremely knowledgeable!!

Chandler C · January 30, 2024 Customer Review

Read Full Review

Quote Icon
Star Full Star Full Star Full Star Full Star Full

Our Bryant Evolution thermostat sent us a few error codes in January. I think they were caused by snow sliding off the roof onto the heat pump outdoor coil, blocking its fan, but I asked Lindemann to come check it out, and try to avoid a critical failure during bad future weather. We have an […]

Evan C · January 25, 2024 Customer Review

Read Full Review

Quote Icon
Star Full Star Full Star Full Star Full Star Full

I use them for my fireplace, furnace, AC at 3 different locations. I will absolutely continue with them!

Jeffrie L · January 24, 2024 Customer Review

Read Full Review

Knollwood, Illinois Services

Heating & Cooling

Heating & Cooling

Trusted by Our Customers in Knollwood, Illinois

Knollwood’s chilly winters and mild summers require an HVAC system that transitions smoothly between heating and cooling. Regular maintenance and practical upgrades maintain comfort without spiking utility costs.

  • Seasonal Checkups – Service furnaces in fall and AC units in spring to ensure efficiency.
  • Energy-Efficient Upgrades – Invest in modern equipment that quickly adapts to changing weather.
  • Thermostat & Zoning Controls – Zoning your home prevents unused areas from driving up bills.
  • Indoor Air Quality Enhancements – Use advanced filters or humidity management to curb allergens.
  • Upgrading Older Systems – Replace outdated units to lower the risk of in-season breakdowns.
  • Allergies & Air Quality – Clean filters regularly to combat dust, mold, and pet dander.
  • Emergency Repairs – Keep a professional’s number for quick solutions in extreme temperatures.