Since 1980, RC Air Heating & Air Conditioning, founded by Clark Williams, has been a pillar of comfort in Rancho Cucamonga, Upland, Claremont, and the wider Inland Empire. For over four decades, our family-owned company has delivered reliable, customized HVAC solutions for homes and businesses. We understand that comfort isn’t just a luxury—it’s a necessity, and we’re here to make sure your space feels just right, all year long.
Why Choose a Local, Family-Owned HVAC Company?
Personalized Service: We treat every home like our own.
Proven Experience: Over 40 years of industry expertise means we know HVAC systems inside out.
Community Commitment: Serving the Inland Empire has taught us the unique needs of local homes and businesses.
When you work with us, you’re not just getting a technician—you’re gaining a partner who genuinely cares about your comfort.
Comprehensive HVAC Services You Can Trust
Our team specializes in:
Furnace repair to keep your home warm during the coldest months
Air conditioning installation to ensure a cool, refreshing indoor environment
HVAC maintenance to prevent costly breakdowns and improve efficiency
Ductless mini-split systems for flexible, energy-saving solutions
Every service is performed with precision, ensuring your system operates efficiently and reliably throughout the year.
Reliable Heating Solutions
Winter chills can strike fast, and a malfunctioning furnace is the last thing you need. That’s why our team excels in Heating repair, furnace repair , heating installation, providing prompt and professional solutions to keep your home or business cozy. From minor repairs to full installations, we handle every job with care and expertise.
What Sets RC Air Apart?
Certified, experienced technicians who explain every step
Transparent pricing with no hidden fees
Emergency services for urgent situations
Long-term solutions that save energy and reduce costs
We combine technical know-how with a personal touch, making each visit professional, friendly, and stress-free.
Serving the Inland Empire with Pride
From Rancho Cucamonga to Claremont and Upland, our reputation is built on trust, reliability, and excellence. Whether it’s Heating repair, furnace repair , heating installation or a full HVAC upgrade, we bring decades of experience and dedication to every project.
Our Commitment to Your Comfort
Honest guidance so you can make informed decisions
Courteous, punctual service that respects your home or business
High-quality workmanship to ensure lasting results
For over 40 years, RC Air Heating & Air Conditioning has been the go-to HVAC partner in the Inland Empire. With our family-owned approach, expert technicians, and dedication to excellence, your comfort is always in capable hands.