Need a furnace or an AC repair and you're located in Chicago?

You have come to the right Chicago heating and air conditioning company. Greenleaf Mechanical Services has been serving Chicago and its surrounding suburbs with the highest quality HVAC climate control solutions. What was at first a small company with a few customers has slowly grown into a company that hundreds of commercial and residential customers rely on. With decades of experience and hundreds of satisfied customers, let the experienced comfort experts at Greenleaf show you why a Greenleaf customer is a customer for life.

Our Services

Whether you are looking for a furnace repair in Chicago, an AC repair in Chicago, or an HVAC repair anywhere in Chicagoland, Greenleaf Mechanical has you covered. We service all makes and models of high efficiency furnaces, high efficiency air conditioning, tankless water heaters, air handlers, humidifiers, air cleaners, or anything else HVAC be it residential or commercial. So, whether it's a heating repair or an air conditioning repair that you need, we are here to help you.

Our Products

At Greenleaf, our wide variety of heating, cooling, and comfort products are sure to meet your needs. From small rentals to high end dream homes, we have the experience and knowledge to tackle any project big or small. We are authorized retailers of all York, Carrier, Bryant, Trane, American Standard, Rheem, Amana, Goodman, Tappan, RUUD, Comfortmaker, Weatherking, modulating furnaces, AC, and other HVAC equipment, just to name a few.

Our Story

Greenleaf Mechanical Services has grown to be the Chicago’s most resilient and most trusted HVAC authority. If you need a furnace repair or an AC repair, we're here to serve you 24 hours a day. We have prided ourselves on being the most honest and most dependable company around, and that has led to hundreds of satisfied lifelong customers. We think it's time you were one of them.

Informational Resources

Many companies like to come to your home or place of business and tell you what you have to buy. At Greenleaf we give you the option of deciding for yourself while making an informed desicion. If a furnace repair or an AC repair is needed, we will give your best options to choose from. Take a look at our Blog section to learn more about how things work, how to take better care of your system, what systems are available, and much more. Don’t forget to also check out our testimonials and past work.