Reliable Heating & CoolingYou Can Trust.
Service, installation, and maintenance to keep your system running efficiently year-round. Flexible financing available. Residential & commercial across East Texas.
Service, Installation, and Maintenance
We provide expert HVAC service, professional installation, and routine maintenance to keep your system running efficiently year-round. Flexible financing options are available to make your comfort affordable and stress-free.
Our Services
Complete HVAC solutions for East Texas
From a sticky thermostat to a full system replacement, our certified technicians handle it all — quickly and honestly.
Cooling that keeps up
AC repair, installation, mini splits, and freon recharge for East Texas summers.
Cooling services
Why C-N-B
Built on trust. Backed by results.
Our Process
Simple. Honest. Fast.
Call or schedule
Reach us by phone or schedule online — same-day in most cases.
Honest diagnosis
Upfront inspection and clear pricing. No surprises.
Quality work
Done right the first time with quality parts and warranties.
Comfort restored
We test the system, clean up, and follow up to make sure you're happy.
Financing
Comfort, made affordable.
Flexible financing options on qualifying installations and replacements. Apply in minutes — no pressure, no hidden fees.
About Us
A family business built on doing right by our neighbors.
Founded by Chris Clark, C-N-B Heat and Air has been keeping East Texas homes and businesses comfortable for over a decade. We treat every job like it's at our own home.
Read our storyCommercial
Keep your business running cool.
Restaurant refrigeration, retail rooftop units, office systems, and preventative maintenance contracts.
Commercial services
Service Areas
Serving all of East Texas
Cherokee, Anderson, Smith, and Rusk counties — plus surrounding communities.
HVAC emergency? We answer 24/7.
Don't sweat it (or freeze) — call now for fast emergency service across East Texas.