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Round Lake 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 Round Lake.

We have served over 319 customers in Round Lake, Illinois and over 42,213 customers in the surrounding Lake County area.

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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

319 Customers Served In Round Lake

Zip codes served: 60073

CUSTOMER REVIEWS From Round Lake, Illinois

Satisfied Lindemann Customers

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Star Full Star Full Star Full Star Full Star Full

We have been with lindemann’s for years. I would recommend to everyone. They are very accommodating, and highly knowledgeable.

Bob L · December 13, 2022 Customer Review

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Star Full Star Full Star Full Star Full Star Full

Adam was very friendly and arrived early. He performed furnace maintenance and discovered a leak from our water heater. He had our replacement scheduled less than a week later. Adam will be back in the spring to service our AC as part of the maintenance plan.

Jessica F · January 19, 2021 Customer Review

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Round Lake, Illinois Services

Heating & Cooling

Heating & Cooling

Trusted by Our Customers in Round Lake, Illinois

Round Lake’s cold winters and warm summers make HVAC reliability essential for maintaining indoor comfort. Biannual checkups and energy-conscious upgrades help residents achieve stable temperatures and moderate bills.

  • Seasonal Checkups – Inspect heating before winter and cooling before summer to prevent in-season failures.
  • Energy-Efficient Upgrades – High-SEER ACs and efficient furnaces handle local extremes more smoothly.
  • Thermostat & Zoning Controls – Partition your home into zones to direct climate control where needed.
  • Indoor Air Quality Enhancements – Filters and dehumidifiers keep allergens and moisture at bay.
  • Upgrading Older Systems – Modern units reduce frequent service calls and energy drain.
  • Allergies & Air Quality – Swap filters regularly to capture pollen, dust, and pet dander.
  • Emergency Repairs – Retain a trusted HVAC contact for sudden system breakdowns in extreme weather.