The Keystone Heating Difference

Racine & Kenosha’s Heating Experts Since 1918.
Furnace and Boiler Repair: 24/7 Emergency Service Available.

When the cold hits Racine and Kenosha, you need heating service you can count on—not just promises. For over a century, Keystone Heating & AC has been the trusted name for keeping homes warm, efficient, and safe. From unexpected furnace breakdowns to high-efficiency new installations, we deliver reliable warmth backed by honest, expert work.

We are available 24/7 for emergency heating repairs because we know your comfort can't wait. Our licensed technicians are equipped to service every make and model, ensuring that no matter the brand of your furnace or boiler, we have the knowledge to fix it right.

Rheem Heating Systems from Keystone

Comprehensive Heating Services

We offer full-service heating solutions to protect your home all winter long:

Fast, Reliable Furnace & Boiler Repair
Is your heater leaking, making strange noises, or failing to ignite? Don't wait. We provide fast, reliable repair services for all furnace and boiler brands, including Rheem, Lennox, Carrier, TRANE, and YORK. We diagnose the issue quickly, deliver transparent quotes, and restore your heat—often on the very first visit.

High-Efficiency Installation & Replacement
Ready to upgrade? Install a new, high-efficiency system and start saving on monthly bills.

  • Furnaces: We specialize in installing premium Rheem furnaces, as well as Lennox, offering superior cost savings, quieter operation, and smart thermostat compatibility.
  • Boilers: For hydronic heat, we install top brands like NTI and Crown. Get a new unit with up to 95% AFUE efficiency and features like Wi-Fi control.

Our team ensures your new system is sized and installed perfectly for lasting comfort and savings.

Call Keystone Heating & AC at 262-554-1080
or schedule an appointment online to get started.

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Trust Keystone Heating & AC

Contacting a business should feel like a simple step toward a solution, not a hassle. At Keystone Heating & AC, you’re connecting with a team dedicated to your comfort and peace of mind. As a staple in the Racine and Kenosha communities since 1918, we have over a century of experience providing reliable, honest work that you can depend on.

Whether you need a quick repair or are ready to explore the installation of a new, energy-efficient Rheem HVAC system, our team is ready to listen and help you find a solution that fits your budget. We’re proud to serve the counties of Racine & Kenosha, including communities west of I-94, ensuring no homeowner or business is left out in the cold, OR the heat.

Every call, every service appointment, and every installation is a chance for us to prove our unwavering commitment to your satisfaction and safety. We invite you to experience the Keystone difference for yourself, where exceptional service, time-tested expertise, and genuine community commitment are just a phone call or click away!

Reach out to us today to get started and see why generations of families and businesses in the Racine and Kenosha areas have placed their trust in us!