Furnaces

Air Conditioners

Clean & Check

Water Heaters

Boilers

Thermostats

Ductwork Installation and Repair

Humidifiers

Dryer Vent Cleaning

Air Quality

Sump Pumps

New Construction

ABOUT US

G&R Heating & Air provides expert air conditioning and furnace repair services for homes and businesses located in St. Charles, IL and the surrounding area.

Owned by Greg Zarris and Rob Serpico, our company brings down-to-earth advice to checking and cleaning home air conditioning systems, furnace repair, and providing sump pump and water heater replacements. The G&R logo is a representation of the owners, with the gator representing Greg and the rhino representing Rob. G&R brings you an easygoing HVAC experience with superior customer service.

We are fully licensed and insured, and we offer a full one-year warranty on all of our work. We are 100% family-owned and operated, and we care and look after each customer like family. Your complete satisfaction is our #1 priority – we believe that if you are happy, you will refer us to others. Contact us today to schedule your air conditioning or furnace service!

REVIEWS

Quality Products And Service

Quality products and service that the owner stands behind. Any problems are corrected quickly and professionally.

Jerry H

Cares About Details! 

Great company that cares about details! They fixed my stove gas line, my hot water heater pilot problem and installed a new furnace AC system. Great company I call first.

Russ W

Great Experience

Great experience working with these guys. Honest and efficient. Gave great advice.

Rebecca H

NEW CONSTRUCTION

Whether you’re looking to add brand new HVAC systems throughout your entire building, or need renovations and want us to improve what you already have, we can take care of all new projects for you. You can rest easy knowing that G&R Heating and Air in St. Charles puts your needs first and holds your project as our priority.

Here’s what you can expect from us:

• Your complete satisfaction with the guarantee you will pass all city inspections
• We will work with you from start to finish
• An honest and upfront quote
• Receive final payment only after your complete satisfaction
• Provide a Contractor Lien Release
• Go over and above your expectations every step of the way
• Free test and balance for the owner once the property is sold
• Licensed and Insured
• Full one-year warranty on all work in addition to manufacturers’ warranties

Our services include:

• Installation of new, high-efficiency heating, cooling, and air quality equipment
• Quality check of all installed equipment
• All ductwork installation
• Guaranteed rough inspection and all inspections for that matter
• Installation of all heating and cooling equipment and accessories
• Polite and knowledgeable owners and crew
• Exceptional cooperation with other trade professionals

Contact us today to learn more!

We are available 24 hours a day, seven days a week to meet all of your residential or commercial HVAC needs!
*Only estimates for new installation services are free of charge. There is a $95 inspection and diagnosis charge for service requests. If you are located over 25 miles away from St. Charles, IL on a Google search, there may also be a trip charge.

Contact Us

We appreciate your interest in our company and look forward to helping you however we can. For specific information about any of our services, please fill out the form to the right. Be sure to indicate your callback preferences, as well as the service you are interested in, and we will get back to you as soon as possible. Thank you for choosing us as your HVAC company in St. Charles and all of Northwest Chicago!