Commercial HVAC Services
Emergency Call - 24/7
Rooftop Unit Installation & Service
Rooftop HVAC units keep many commercial buildings comfortable year-round. We install, repair, and maintain RTUs for retail stores, restaurants, offices, warehouses, and multi-tenant properties.
Our technicians check airflow, motors, belts, refrigerant levels, and electrical components to keep your system running safely and efficiently. When repairs are needed, we offer clear recommendations and fair pricing before beginning any work.
If your RTU is old or unreliable, we can help you choose a replacement sized correctly for your building’s load and ventilation needs.
Proper rooftop service helps reduce downtime and keeps your space comfortable for staff and customers.
Range Hoods & Exhaust Systems
Commercial kitchens and high-moisture areas depend on strong ventilation to stay safe and compliant. We install and service range hoods, exhaust fans, and makeup air systems for restaurants, cafeterias, and commercial food prep spaces.
Our team checks airflow, ducting, and fan condition to ensure the system removes heat, smoke, and odors effectively. If the system struggles to keep up, we diagnose the issue and explain your options.
Proper exhaust performance supports safety, air quality, and local code compliance.
Air Curtains
Air curtains help maintain indoor temperatures and reduce energy loss in busy entryways. We install and service air curtains for retail stores, restaurants, warehouses, and loading docks.
These systems create a controlled airflow barrier that keeps conditioned air inside while limiting dust, insects, and outdoor heat from entering.
If your business sees frequent door traffic, an air curtain can improve comfort and reduce HVAC strain.
We help you select the right size and model for your building’s needs.
Fresh Air Intake & Ventilation
Healthy indoor air starts with proper ventilation. We install and service fresh air intake systems that bring clean air into the building while removing stale air and controlling humidity.
Our technicians evaluate airflow needs, duct condition, and ventilation requirements for your property type. Many commercial spaces benefit from improved intake systems, especially those with high occupancy or limited natural airflow.
Proper ventilation supports comfort, safety, and building code requirements.
Filter Changes & Preventive Maintenance
Commercial HVAC systems run for long hours and need regular maintenance to stay reliable. We provide scheduled filter changes, coil cleaning, belt checks, electrical testing, and system inspections.
Routine maintenance helps reduce energy use, prevent breakdowns, and extend the life of your equipment. We work with property managers, business owners, and contractors to create maintenance plans that fit the building’s workload.
Staying ahead of issues helps avoid downtime and expensive emergency repairs.
Need service today? Call (865) 237-9646.
Trusted by Businesses & General Contractors
Commercial clients choose Buckner Plumbing because we provide consistent, dependable service with clear communication.
What sets us apart:
- Nearly two decades of local experience
- Licensed and qualified commercial HVAC technicians
- Woman-led, integrity-focused leadership
- Clean, code-compliant installation work
- Fair pricing and dependable timelines
- Strong coordination with GCs and property managers
We take pride in helping Knoxville businesses operate safely and efficiently.
Request Commercial HVAC Service
If your commercial building needs HVAC installation, repair, or ongoing maintenance, our team is ready to help. We deliver reliable service, honest guidance, and skilled workmanship for businesses across Knoxville and East Tennessee.
Call (865) 237-9646 or request commercial HVAC service online.