Advanced Air Services

Advanced Air Services has served Mundelein and surrounding Lake County communities since establishing operations in the region, building a reputation across nine verified customer reviews that collectively earn the company a 4.1-star rating. As a licensed heating and cooling contractor operating from offices in Mundelein, Illinois, the team handles residential installations, repairs, and preventive maintenance for furnaces, boilers, air conditioning systems, and emerging technologies like ductless mini-splits. Homeowners in nearby towns including Grayslake, Libertyville, and the wider Lake County metro area rely on this contractor for both routine seasonal servicing and urgent heating or cooling emergencies.

The company positions itself as a Lennox dealer with access to major equipment brands, additionally offering indoor air quality solutions including humidifiers, dehumidifiers, and energy recovery ventilators for homeowners seeking to improve circulation and filtration. Their service menu extends beyond traditional HVAC into ancillary systems such as water heaters, WiFi thermostats, snow melt systems, and radiant heating installations. The website references guarantee and warranty provisions alongside financing options, indicating willingness to work with homeowners on larger capital investments while backing their craftsmanship with documented coverage.

Customer narratives from reviews reveal the human dimension of this operation. Technician Nick earned praise for diagnosing a furnace shutdown caused by a dust-clogged filter during recent renovations, arriving the same day and saving the homeowner from an unnecessary $3,000-furnace replacement. Another reviewer describes a Saturday night emergency call where a tech arrived within 20 minutes to resolve an ecobee connectivity issue, restoring comfort within the same hour. These accounts illustrate responsive service protocols and diagnostic honesty that differentiate Advanced Air Services from competitors who might recommend premature replacements.