Service Guarantee

We take great pride in our work, and that's why we can offer you a 10 YEAR GUARANTEE.

Gray’s Mechanical has provided the highest quality HVAC service to Chicagoland, IL and the surrounding area for the past 5 years. Our mission is to ensure that every member of the Gray’s Mechanical family has HVAC systems that operate at the peak of efficiency and that you never have to worry about any air conditioning problems. Our Guarantee is second to none, and you will receive only the highest quality service from our family to yours.

Our Guarantee

Gray’s Mechanical leads the way when it comes to warranties for our services. When it comes to new furnace installations, we offer a 10-year warranty for parts, and 1 year for labor. This warranty provides assurance for you that if anything fails on your furnace, you can call us, and we will resolve the problem in a timely and professional manner. When it comes to Air Conditioner installations, we offer a 5-year warranty on parts, and 1 year for labor. Our warranty guarantee allows you to sleep soundly knowing that no matter what happens, Gray’s Mechanical is there for your family.

Our certified technicians execute their duties with the highest level of professionalism and respect. Every technician has HVAC schooling, Universal EPA certifications, and field experience with maintenance, installation, and troubleshooting.

Every technician in the field has passed extensive background checks, drug screens, and are trained and mentored by a supervisor for everything they do, everywhere that they go for the first 30 days of hire. This ensures that our technicians meet and exceed the levels of integrity and respect that our company was founded on.

Our technicians are highly trained experts, and simply put, we are the best of the best. Our conduct, integrity, and excellence in all we do will make you feel right at home in our family.

Customer Satisfaction and Excellence Guaranteed

Here at Gray’s Mechanical, we are known for our exemplary customer service.  When we come into your home or place of business, we treat it as our own home. Every installation, estimate, repair, or general maintenance will be shown the same level of respect as our own home, and we always leave our work area in pristine condition. Our technicians will keep you up to date from start to finish, and will always reassure your worries and answer your questions.

Everything that we do will have your authorization, and our technicians will be sure to discuss all options with you prior to any installations or maintenance.

Gray’s Mechanical is environmentally conscious and friendly. We will reclaim and recycle used refrigerants and any old equipment from your home and ensure that they are properly disposed of.

Gray’s Mechanical has made a name for ourselves by offering respect, integrity, and excellence in everything that we do. We offer the highest quality services to our family, and our technicians will always exhibit the highest levels of professionalism and respect to your family and your home.

Allow Gray’s Mechanical to demonstrate our companies values in your home today, and experience the services of our Comfort Specialists.

Sam from Gray's Mechanical Portrait


It has been our number highest priority since the inception of this company to provide top quality HVAC services and customer service to our customers.