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Heating Repair

There has been no man-made hardware that can withstand the test of time. The older that your hardware is, the more susceptible it will be to failure. Often times, a repair or replacement will be necessary. At Gray’s Mechanical, we field only the most experienced technicians who are highly trained, thoroughly certified and represent the core values that our company was founded on. Our customer satisfaction is guaranteed, and we strive to provide the highest quality service, every single time.


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If this is an emergency, please call 630.473.5433


Heating Repair

Heat is an essential part of having an enjoyable day during the cold winters of Chicagoland, IL. and the surrounding areas. Gray’s Mechanical knows that when you call us for a heating issue in the winter, your comfort is now our responsibility. We will provide effective, prompt, high quality service to your home, and treat it as our own.

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Pricing Options

Gray’s Mechanical is a company that was founded on the very principals that tie a family together. That is why we offer exemplary customer service, at affordable prices. We want to provide you with the highest possible satisfaction with our services without breaking your bank.

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Repair Service

When you come to Gray’s Mechanical, you become family. Our Comfort Specialists are highly trained and demonstrate the highest levels of professionalism and respect for your home when repairing your HVAC systems. Gray’s Mechanical believes that you should be at ease throughout the entire repair process, while our expert technicians restore the comfort to your home as promptly as possible.



Every member of our team is highly trained and exhibits the core values of excellence and respect that this company was founded on. Every technician has passed extensive background checks, drug screening, and has been personally overseen and trained by a highly trained expert before they ever get to the field. At Gray’s Mechanical, our technicians and customers are family and we only field the best of the best.


24/7 Emergency Services

Gray’s Mechanical knows that if something can break, usually at the worst possible time, it will. That is why we proudly offer 24-hour emergency services, 7 days a week. Our response times are second to none, and our Gray’s Mechanical Guarantee ensures that no matter what the issue, or time of day, our Comfort Specialists will be there to assist you and return your equipment to normal working order.

When Gray’s Mechanical receives a call, we know that we aren’t just getting a customer or a client. A member of our family is reaching out to us for help. We guarantee that you will be satisfied with the integrity, the skill, and the high level of professionalism that each technician demonstrates during every single call. Gray’s Mechanical knows that you are inviting someone into your home and entrusting their comfort to us. That is why we treat your family and home with the highest level of respect and professionalism and provide the highest quality service possible for you, every time, all the time.

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Our Exclusive AC & Heating

Preventive Maintenance Plan

Gray’s Mechanical is proud to offer a comprehensive HVAC maintenance plan. Every customer is a member of our family, and therefore gets the Gray’s Mechanical Guarantee. We are committed to keeping your HVAC system running at peak performance year-round.

checked (1)  Two maintenances (Spring and Fall)

checked (1)  Discounted destination charge

checked (1)  Fewer repairs

checked (1)  15% discount on any repair

checked (1)  Priority customer

checked (1)  24 hour emergency service

checked (1)  Fix minor issues before they become major problems

checked (1)  Keep your unit running at maximum efficiency

checked (1)  Help prevent mid-season breakdowns



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"The service was exceptional! They responded to my request promptly and had a technician out to fix the issue. I am very pleased with the overall experience and glad Gray's was able to fix my A/C"

Services: A/C filter replacement, A/C system repair, A/C system maintenance


Parker Guillot
Business Owner | Carol Stream, IL

Definitely Recommend Gray's 

"I definitely recommend Gray’s Mechanical . The technician arrived he was very professional, courteous, quick and very knowledgeable of what he was doing . Price was very reasonable he came out on short notice."

Services: HVAC system repair / installation

Jennifer Slowik
Restaurant Chef | Bolingbrook, IL


"I got an issue for my heating at night time. I tried call this service and they came so fast. Give A++++ for the Gray’s Mechanical service!! Great company and super professional.. Would recommend this company!"

Services: Heating Repair

Thao Nguyen Duong
Construction Worker | Wheaton, IL


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