Rooftop Units, Split & Packaged Systems
Installation, repair, and service for packaged rooftop units (RTUs) and commercial split systems sized for retail, restaurant, office, and light-industrial loads.
Commercial HVAC Services in Gallatin, TN
Commercial HVAC repair, rooftop units, VRF, refrigeration, and preventative maintenance for Gallatin and Sumner County businesses. Free facility walkthrough.
- Family owned & operated
- Licensed & Insured
- Response within one business day
Tri-County Mechanical is a family-owned commercial HVAC and refrigeration company serving Gallatin, Tennessee, and Sumner County. We repair, maintain, and install rooftop units, split and packaged systems, VRF, walk-in coolers and freezers, boilers, and chillers for local businesses. Licensed and insured technicians support preventative maintenance programs and emergency service when equipment goes down. Schedule a free facility walkthrough at (931) 356-7776 — we respond within one business day.
Gallatin is the Sumner County seat — a mix of historic downtown commerce, Nashville Pike retail and offices, and growing industrial / business-park capacity north of Nashville. Our shop is in Brush Creek; we do not invent a Gallatin storefront address. If your facility needs commercial HVAC or refrigeration support in Gallatin, this page is for you.
Who We Help in Gallatin
Gallatin’s commercial mix spans historic square retail and restaurants, corridor offices and medical space, and industrial / flex warehouse growth. That maps to facility types we already list sitewide:
- Restaurants and grocery (dining comfort + walk-in refrigeration)
- Retail centers and standalone stores
- Office buildings and medical offices
- Warehouses, manufacturing, and flex industrial
- Schools, churches, hotels, and apartment complexes
If you manage a property around the downtown Public Square, along Nashville Pike (US 31E), near Volunteer State Community College, in the Broadway / commercial corridor areas, or in Gallatin’s industrial and business parks (including growth around Gallatin Industrial Center and Aero Business Park-class sites), you need a commercial mechanical partner — not a residential-only truck.
Commercial HVAC services for Gallatin businesses
One team for comfort cooling, heating plant, and refrigeration.
VRF Systems
Variable refrigerant flow design, installation, and service for multi-zone offices, medical suites, and tenant spaces that need efficient part-load comfort.
Walk-in Coolers & Freezers
Commercial refrigeration service to help protect inventory and keep temperatures in spec for foodservice and grocery operations around downtown and the Nashville Pike corridor.
Boilers & Chillers
Maintenance, repair, and replacement support for larger heating and cooling plant equipment in bigger commercial and industrial facilities.
Preventative Maintenance Programs
Scheduled service that catches worn parts, dirty coils, and control issues before they become shutdowns. Program members get custom PM pricing and priority emergency response.
Emergency Commercial Service
When a unit fails and your business can’t wait, call (931) 356-7776. Emergency service is available for commercial customers who need rapid response. Our service-area messaging includes 24/7 emergency coverage for heating and cooling failures that don’t wait for business hours.
Why Gallatin commercial facilities put HVAC on the critical path
Gallatin sits about 30 miles northeast of Nashville with a commercial footprint that differs from Wilson County’s Providence / I-40 retail pattern:
Downtown Public Square and historic commercial district
Main, Water, College, and Franklin corridors with older buildings, mixed loads, and restaurant/retail comfort demands.
Nashville Pike office and commercial corridor
Professional offices, medical/professional space, and campus-adjacent properties near Vol State.
Industrial and business-park growth
Light industrial, warehouse, and flex space (Gallatin Industrial Center, Aero Business Park, and similar parks) where downtime hits production and logistics.
Airport-adjacent commercial activity
Music City Executive Airport proximity supports business-park and hangar-adjacent facility types that still need climate control and, in some cases, process-adjacent cooling.
A Mixed-Humid Climate Is Hard on Equipment
Middle Tennessee’s mixed-humid climate means long hot summers with high humidity and cold snaps that still demand reliable heat. For Gallatin facility managers that usually means:
- RTUs working hard on retail and restaurant roofs through peak summer
- Older downtown building constraints — uneven zones, limited mechanical space, comfort complaints
- Walk-in refrigeration risk for foodservice inventory
- Industrial / warehouse climate control where a failed unit stalls work
- Plant equipment (boilers/chillers) on larger commercial sites that outgrow a single RTU
Preventative maintenance is cheaper than emergency replacement — and far cheaper than lost shifts, closed doors, or spoiled product.
How we work with Gallatin facility managers
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Free Facility Walkthrough
A commercial technician assesses your equipment on site, flags failure risks, and outlines a preventative maintenance plan built around your facility — at no cost and no obligation. We respond within one business day.
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Planned Maintenance That Matches Your Building
We schedule around your operations so service doesn’t interrupt customers more than necessary — important for retail and restaurant properties with long open hours.
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Repair & Replacement When It's the Right Call
When a unit is past economical repair, we help you plan replacement of rooftop, packaged, VRF, or plant equipment with options sized for the building.
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What's included in the free walkthrough
- On-site equipment inspection and condition report
- Custom preventative maintenance program pricing
- Identification of failure risks before they cost you
- Priority emergency response for program members
Service Area & Business Details
Tri-County Mechanical, LLC
Phone
Address
5 Paulk Lane, Brush Creek, TN 38547
Hours
Monday–Sunday: Open 24 Hours
Family owned and operated. Licensed and insured commercial HVAC and refrigeration specialists serving Middle Tennessee and the Upper Cumberland region, including Sumner County (Gallatin) plus Smith, DeKalb, Wilson, Rutherford, Williamson, and Davidson counties. See our Service Area page for the county list.
Gallatin-area ZIP codes served: 37066.
Gallatin Commercial HVAC FAQs
Yes. Gallatin is in Sumner County, which is part of our Middle Tennessee commercial service area. We provide commercial HVAC and refrigeration service for local businesses and facilities.
Rooftop units, commercial split and packaged systems, VRF systems, walk-in coolers and freezers, boilers, and chillers — plus preventative maintenance and emergency service.
Yes. Those corridors are classic commercial RTU and refrigeration environments. We support the commercial systems those properties typically run, including walk-ins for foodservice.
Yes. Warehouses, manufacturing, and flex industrial sites are among the facility types we serve. Larger plants may need boiler or chiller support in addition to rooftop and packaged equipment.
Call (931) 356-7776 for emergency commercial service. Preventative maintenance program members get priority emergency response.
Yes. It is free and no-obligation. We inspect equipment, flag risks, and outline a maintenance plan. We respond within one business day.
Yes. Our technicians are licensed, insured, and trained for commercial HVAC and refrigeration work.
Our shop is in Brush Creek, TN. Gallatin and Sumner County are inside our commercial service area. We do not invent a Gallatin branch address.
Call (931) 356-7776, email info@tcm-hvac.com, or use the request form on our contact page.
Need Commercial HVAC Support in Gallatin?
Schedule your free facility walkthrough or call us directly. We respond within one business day.
Tri-County Mechanical, LLC
5 Paulk Lane, Brush Creek, TN 38547
Hours on this page: Monday–Sunday: Open 24 Hours