Our Customers Love Us. Mackay Heating & Mechanical Services is a HVAC contractor serving McHenry, IL, and the Northwest Suburbs. We repair all makes and models of HVAC systems, from home heating, furnaces and air conditioners to commercial units for office buildings and apartment complexes. For over 20 years, customers from all over the area have come to Mackay's for their heating and air conditioning. Save time and money this winter with an efficient heating system. Our company also offers: • Sheet metal • Furnaces • Heating vents • Motors • Heat exchangers • Cooling towers • Valves Ask us about our ductwork as well as our comfort systems. We use equipment from some of the leading names in the industry such as American Standard and Armstrong. Our contractors will answer any question you have as well as offer great tips in keeping your HVAC unit running for years to come. At Mackay Heating & Mechanical Services, we offer the heating and cooling comfort you need at a price that is surprisingly affordable. Give us a call today to receive your estimate.

Mangia Pizzeria

Pizza Restaurant

📍 402 N Hough St, Barrington, IL, 60010

📞 847-756-4302

Naomi Sushi Express

Seafood Restaurants

📍 126 W Main St, Barrington, IL, 60010

📞 847-381-2234

Updated Jul 2026

Pizza Factory

Italian Restaurants

📍 101 W Northwest Highway, Barrington, IL, 60010

📞 847-381-6740

🌐 pizzafactory.com

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