Get in Touch or Request a Quote
Give us a call or send us a message using the form below.
We Do it All - Give Us a Call! 618-694-7699
From furnace or AC repair, to upgrading your old indoor comfort system, we have you covered.
Installation
We install furnaces, boilers, heat pumps, mini-splits, AC units, rooftop & commercial refrigeration units. Is it time to upgrade your heating & cooling system? See if you quality for the IRA 25(c) tax credits. Call today to see how much money you can save now and for years to come in lower utility consumption.
Service
Our trained service technicians will diagnose and service your indoor comfort system. Our expertise in commercial walk-in or reach-in refrigeration units is second-to-none. Need a rooftop unit, unit heater, or radiant tube heater checked out? Give us call. You'll be glad you did!
Maintenance
Statistics show annual maintenance ensures your heating and cooling system runs at optimum efficiency, increases the life of your equipment, and decreases the number of repairs. Call today for a residential or commercial maintenance agreement.
Welcome to John's Mechanical Services
Commercial & Residential Indoor Comfort Specialist
John's Mechanical Services is Southern Illinois' top choice when it comes to professional heating, cooling, ventilation, and commercial refrigeration. Our technicians are second-to-none in diagnosing your heating system; whether it be a gas furnace, heat pump, roof top unit, boiler, or ductless mini-split. We provide fast HVAC service in the dead of winter or the heat of summer. We'll give you the options to service or upgrade your indoor comfort systems. We stand behind our 100% customer satisfaction guarantee. If you’re not totally satisfied with our work, then we promise to make it right.
Click ENERGY STAR RECOMMENDS to see when is the right time to replace your heating and cooling system.
Have you had your commercial boiler serviced this year? If you are an Ameren client, did you know they offer rebates on boiler maintenance? Call us today to see if you qualify.
We can repair your roof top unit, service unit heaters and radiant tube heaters, and provide comprehensive HVAC maintenance agreements for your business, church, or warehouse.
Are you needing service on your walk-in freezer or refrigeration unit? Our technicians have serviced many manufacturers' equipment; from AmeriKooler and True, to Manitowoc and Traulsen.
Click ENERGY STAR RECOMMENDS to see when is the right time to replace your heating and cooling system.
Have you had your commercial boiler serviced this year? If you are an Ameren client, did you know they offer rebates on boiler maintenance? Call us today to see if you qualify.
We can repair your roof top unit, service unit heaters and radiant tube heaters, and provide comprehensive HVAC maintenance agreements for your business, church, or warehouse.
Are you needing service on your walk-in freezer or refrigeration unit? Our technicians have serviced many manufacturers' equipment; from AmeriKooler and True, to Manitowoc and Traulsen.
Our Residential Services
Residential Heating, Air Conditioning, Ventilation and Indoor Air Quality.
Heating
When those cold days come and your furnace, heat pump, or boiler isn't providing you the warm environment you expect, CALL US. Our trained technicians will diagnose and provide you with the repair options you deserve.
Cooling
During the hot summer months, a lack of AC is nothing to joke about. Our team can handle any AC repairs, maintenance, or installation.
Ductless
No central HVAC system? No problem - we can install, maintain, or repair any mini-split AC system.
Air Quality
Are asthma or allergies an issue in your home? We have different air purification options that let you enjoy a more comfortable, healthy, and energy-efficient home.
Commercial Services
Whether it's heating or cooling, we can handle all of your business comfort needs.
Sales, service and repair HVAC systems.
Commercial Refrigeration
* Reach in Coolers/Freezers
*Walk In Coolers/freezers
*Kitchen Hoods
*Walk In Coolers/freezers
*Kitchen Hoods
HVAC
Our team can handle your commercial Heating, Ventilation and Air Conditioning servicing, installation or repairs.
Request a Quote Today!
Request a Quote Today!
Ice Machines
Call us Today to learn more about how we can help you!
Sheet Metal Fabrication
Sheet metal can be cut, bent or stretched into nearly any shape.
Kitchen Hoods
Plan/Spec HVAC- New Construction and remodel
Why Choose Us?
At John's Mechanical Services, we know there are plenty of heating and cooling companies to choose from in Marian and the surrounding communities. However, not all companies have the same high standards we have. For instance, we thoroughly screen all our applicants and make sure they pass a background check and drug test before they join our team. We only employ technicians with the certifications and expertise necessary to do every install and/or service; and do it very well. When it comes to quality and customer service, we take no shortcuts.
Locally Owned & Operated
We are a local family-owned company right here in Marion that cares about our customers and the communities we serve. We stand behind all of our work with a 100% Money-Back Guarantee!
Superior Craftsmanship
Fully Licensed & Insured
Affordable Pricing with No Surprise Fees
Locally Owned & Operated
We are a local family-owned company right here in Marion that cares about our customers and the communities we serve. We stand behind all of our work with a 100% Money-Back Guarantee!
Superior Craftsmanship
All of our technicians are highly trained and experienced in both residential and commercial heating and cooling. We only use quality parts from the top manufacturers.
Fully Licensed & Insured
We're are a team of professionals, fully licensed and insured for the safety of our customers and employees.
Affordable Pricing with No Surprise Fees
We keep our prices competitive to offer our customers the most value. We also won’t try to sell you anything that you don’t need. Remember, quality doesn't cost, it saves!
Contact Us Today to Schedule an Appointment
John's Mechanical Services 's licensed and certified technicians can tackle even the toughest heating and cooling challenges. Contact us today for a free estimate or to request service.
Hours of Operation : Monday- Friday
7am- 4:30pm
Emergency Services 24/7
618-694-7699
Hours of Operation : Monday- Friday
7am- 4:30pm
Emergency Services 24/7
618-694-7699
Peace of mind feels good!
Our 100% Customer Satisfaction Guarantee
We are a locally owned and operated HVAC company right here in Marion that cares about our customers and the communities we serve. We're dedicated to providing the best products and services at fair and competitive prices, all backed by our satisfaction guarantee. If you're not 100% happy, simply let us know and we will do everything we can to make it right. We appreciate your business and look forward to serving with you.
Service Area
We are Proud to Serve Marion, Illinois and the Surrounding Communities Including:
• Marion
• Herrin
• Pittsburg
• Carbondale
• Harrisburg
• Herrin
• Pittsburg
• Carbondale
• Harrisburg
• Carrier Mills
• Eldorado
• Carterville
• Colp
• Murphysboro
• Eldorado
• Carterville
• Colp
• Murphysboro
• Johnson City
• West Frankfort
• Creal Springs
• New Burnside
• Goreville
• West Frankfort
• Creal Springs
• New Burnside
• Goreville
