Mackay Heating & Mechanical Services | Certified HVAC Repair in Barrington, IL

Improper HVAC installation and thermostat issues are common local problems that can lead to uneven heating and high energy bills. Our technicians are skilled at diagnosing these specific issues. We'll check your thermostat's calibration and wiring, and thoroughly inspect your system's installation to ensure it meets proper airflow and sizing standards for Barrington homes. Often, a precise adjustment or correction is all that's needed to restore efficiency and comfort.

Yes, we service the full spectrum. While we repair all makes and models of home heating and cooling systems, we also have extensive experience with commercial units for office buildings, apartment complexes, and cooling towers. Our team is equipped to handle the scale and complexity of commercial HVAC needs throughout the Northwest Suburbs.

We service all brands, but for installations and replacements, we often use reliable equipment from industry leaders like American Standard and Armstrong. These brands are known for their durability and efficiency, which helps us provide Barrington residents with a comfort system that performs well for years. We're happy to discuss the best option for your home and budget.