
Water Heaters
No one likes a cold shower… Well… maybe someone us, a select dew.
Reliable hot water and consistent heat are essential for your home’s comfort. We provide professional boiler and water heater services, including repairs, maintenance, and installations, to keep your systems operating safely and efficiently.
Whether you’re experiencing uneven heat, lack of hot water, or considering an upgrade, our experienced technicians can diagnose issues accurately and recommend the right solution for your home and budget. We service both traditional and high-efficiency systems and ensure all work meets safety standards and manufacturer specifications.
From routine service to full system replacements, you can count on us to keep your boiler and water heater running smoothly—so your home stays comfortable year-round.
Warranties included with services.
*These warranties are ONLY available for equipment and units purchased, services and repaired through our team here at GREL HVAC. If units are services, repaired or installed by another team outside of the GREL HVAC, any and all warranties are voided.



Contact
Want to get in contact with someone? Leave a detailed message below and we will get in contact with you as soon as possible. If you need us sooner, call us at 708-228-7197 !
Services We Offer in the Southwest Suburbs

All Things Heating
Chicago winters demand dependable heat.
As locals, we understand how critical a reliable heating system is to keep your home safe and comfortable all winter long.

All Things Cooling
When the heat rolls in, we’re ready.
After the winter months, Chicago’s heat waves come in quickly. As a family-owned HVAC company, we offer reliable cooling services to keep your home comfortable all summer.

Commercial Services
Business’s need trusted servicers inside and outside of work.
Business owners are in need of quality services just as the rest of us do. We work hand in hand on new construction builds, apartment buildings, schools and more to provide good, reliable and honest work.
