Upgrade today, pay later. With flexible financing offers, you can enjoy year-round comfort without upfront costs, subject to credit approval.
Grand Slam Heating & Cooling is a family-owned & operated company proudly serving Chicago’s North Shore and Western Suburbs. We believe every homeowner deserves honest, reliable service, whether it’s a quick repair, a brand-new installation, or ongoing maintenance to keep your home running smoothly.
From furnaces and air conditioners to heat pumps, ductless mini splits, and indoor air quality solutions, we cover the full range of heating and cooling needs. Every service visit includes a free Indoor Air Quality test, & we back our work with the promise that we’ll always knock your comfort out of the park.
It’s this combination of skill, integrity, and care that makes Grand Slam Heating & Cooling the trusted choice for families throughout the Chicago suburbs.
Keep your home warm through Chicago winters with expert furnace installation, repair, and maintenance.
Read More
Stay cool in the summer heat with our air conditioning repair and installation services.
Read More
Enjoy year-round comfort with energy-efficient heat pump systems. Whether you’re looking to install…
Read More
Perfect for homes without ductwork or for hard-to-condition spaces, ductless mini splits offer targeted
Read More
Breathe cleaner air with our IAQ solutions. From air purifiers to humidifiers, we’ll recommend
Read More
Prevent breakdowns, extend equipment life, and enjoy exclusive perks by joining our ComfortClub. With
Read MoreWhether it’s keeping your home warm in the winter, cool in the summer, or improving the air your family breathes, we’re here to make sure your comfort is never left on the bench.
We’re not a big-box contractor. As a family-owned company, we treat every home as if it were our own, with honest advice and personal service you can trust.
Comfort can’t wait. Our team is available for fast scheduling, so you’re never left in the heat or cold.











At Grand Slam Heating & Cooling, our mission is to deliver family-owned, honest service that homeowners can trust. Here’s what customers are already saying about their experience with us:
“Professional, friendly, and fast! They explained everything clearly and had my furnace running the same day. Highly recommend.”
Joining ComfortClub isn’t just about maintenance. It’s about peace of mind, knowing your heating and cooling system is running at its best, that your family’s air quality is being cared for, and that you’ll never be caught off guard by surprise failure.

Keep your system running at peak performance regularly scheduled inspections and maintenance.

Get our custom smart thermostat a $499 value included at no extra our top-tier ComfortClub.

ComfortClub members jump to the front the line when it matters most no waiting during peak season.

Regular maintenance helps your HVAC system last longer, saving money premature replacements.

Save on repairs, upgrades, and new installations with special member-only pricing.

Know your family will stay comfortable and your system is always in expert hands.

Enjoy cleaner air and better system efficiency with complimentary replacements on higher-tier plans.
Stay updated with expert insights, practical tips, and the latest trends in heating, cooling, and home comfort.
Upgrade today, pay later. With flexible financing offers, you can enjoy year-round comfort without upfront costs, subject to credit approval.