DDAN Hood Cleaning and Repair
Restaurant Fan & Hood Installation in Columbia, TN
From historic Muletown square retrofits to US-31 corridor new builds — permitted, installed, and inspected. Free on-site estimates.
Licensed, Bonded & Insured • NFPA 96 Compliant • Since 2006
Planning a new kitchen or upgrading your exhaust system? We do free on-site surveys to spec exactly what you need.
FREE ON-SITE SURVEY
No Obligation Estimate
Complete Installation Services for Columbia Kitchens
Exhaust Fan Installation for Columbia Restaurants
Whether you're replacing a burned-out fan or upgrading to a higher-CFM unit, we handle sizing, wiring, mounting, and code compliance.

New Fan Installation
Complete install on new or replacement rooftop upblast fans. Includes roof curb, hinge kit, wiring, and startup testing. Direct drive and belt drive configurations available.

Fan Replacement & Upgrade
Swap undersized or failed fans with properly rated units. We calculate CFM requirements based on your hood size and cooking volume to spec the right replacement.

Fan Accessories
Hinge kits, speed controllers, disconnect switches, motor covers, and grease cups installed with every fan. Every accessory is NFPA 96 compliant.
Our Fan Installation Process
Site Survey
We measure your hood, ductwork, and rooftop access. Calculate CFM requirements for your cooking volume.
Spec & Source
We spec the right fan for your system and source from our supplier network. Most common sizes in stock locally.
Install & Test
Licensed installation with hinge kit, wiring, and startup testing. Full written service documentation for your records.
Columbia's "Muletown" dining scene leans heavily into Southern comfort food, BBQ, and craft brewing — all of which produce thick, sticky grease that destroys standard fan components. Older diners along Carmack Blvd frequently run upblast fans with failing bearings and snapped belts from decades of constant use. BBQ operations produce carbon creosote that coats fan impellers and reduces CFM well below rated capacity. We install heavy-duty direct-drive fans with sealed motor compartments and properly rated impellers designed for the intense grease output that Maury County kitchens generate.
Need to browse specific fan models and parts? See our exhaust fan parts catalog for Columbia.
Complete Kitchen Exhaust System Installation in Columbia
Turnkey builds for new restaurants, renovations, and kitchen expansions. Hood, ductwork, fan, fire suppression — one contractor, one warranty.
- Type I or Type II exhaust hood canopy (custom-sized)
- Grease ductwork with fire-rated access panels
- Rooftop upblast exhaust fan with hinge kit
- Electrical wiring and disconnect
- Startup testing and airflow balancing
- UL 300 fire suppression system (coordinated)
- Make-up air integration
- Code-compliant grease containment
- Permit coordination with Columbia Fire & Rescue
- Full documentation package for inspectors



Typical Timeline
3-7 business days depending on system size, duct run complexity, and building access. Historic square retrofits may require additional structural assessment.
What We Coordinate
We work with your general contractor, electrician, and fire suppression sub. One point of contact for the exhaust scope.
Columbia Permits
We handle Maury County permit applications and schedule the final inspection with Columbia Fire & Rescue to verify NFPA 96 compliance.
Columbia Fire & Rescue enforces strict NFPA 96 standards, especially in the historic downtown overlay where connected 19th-century buildings make grease fires exceptionally dangerous. Revitalized square buildings often hide winding, non-standard ductwork behind drop ceilings — without proper access panels, these systems can't be fully cleaned, creating severe fire hazards. On the expanding US-31 highway strips, newer EPDM and TPO roofing requires meticulous grease containment to prevent membrane damage. The Columbia Wastewater Department aggressively monitors F.O.G. levels, making rooftop containment non-negotiable for every install.
Browse individual system components in our parts catalog for Columbia.
Make-Up Air Unit Installation for Columbia Kitchens
Your exhaust system can't function without balanced airflow. When MUA fails, doors slam, gas appliances backdraft, and fans lose efficiency.

Gas-Fired Heated MUA
Required for Tennessee winters. Direct gas-fired heating prevents freezing drafts and dangerous negative pressure. Properly sized units maintain comfortable kitchen temperatures year-round.

Untempered / Passive MUA
Budget fresh air supply for mild seasons and supplemental use. Belt or direct drive options. Effective when heating isn't required but airflow balance is still critical.

MUA Retrofit & Replacement
Upgrading undersized or failed units. We calculate CFM balance between your exhaust and make-up air to eliminate negative pressure and bring your system up to current code.
Why Make-Up Air Matters
Supporting Installation Services in Columbia
The components that keep your whole system code-compliant and inspection-ready.
Access Panel Installation
NFPA 96 requires fire-rated access panels every 12 feet of horizontal duct and at every change of direction. We install code-compliant panels in all duct types.
Learn more →Grease Containment Systems
Rooftop grease boxes, containment trays, absorbent pads, and 360° grease gutters. Protect your roof and pass inspection.
Learn more →Ductwork Modifications
New duct runs, extensions, transitions, and repairs. Fire-rated construction with proper grading for grease drainage.
Electrical & Controls
Disconnect switches, speed controllers, VFDs, and wiring for exhaust and MUA systems. All work meets NEC and local electrical codes.
Trusted by restaurants, churches, schools, and institutions across Middle Tennessee since 2006.
Who We Serve
Restaurant Owners & Managers
Opening a new restaurant on the square, renovating a diner on Carmack Blvd, or expanding a brewery kitchen? We handle the full exhaust installation — permitted, inspected, documented. Need a repair instead?
(615) 881-6968 →General Contractors & Kitchen Consultants
Need a licensed exhaust subcontractor for a Maury County commercial kitchen build-out? We coordinate with your team, pull our scope, and deliver turnkey exhaust systems on schedule. Browse our parts catalog.
Contractor Line: (615) 881-6968 →Why Columbia Restaurants Choose DDAN for Installation
Historic Muletown Square: Navigating Century-Old Buildings
Columbia's downtown revitalization has transformed 19th-century attached brick storefronts into restaurants, craft breweries, and BBQ joints. Installing an exhaust system in these buildings means working with winding, concealed ductwork behind drop ceilings, limited rooftop access, and shared-wall fire code requirements. We assess every constraint during our free site survey and install fire-rated access panels to ensure future cleaning crews can reach every section of the duct.
Carmack Blvd & US-31: Aging Equipment Upgrades
Older diners and restaurants along Carmack Blvd and the US-31 corridor have been running the same exhaust systems for decades. Fan motors are seized, belts are snapping, and ductwork lacks the access panels required by current code. We replace entire aging systems with properly rated modern equipment — new hoods, code-compliant ductwork, high-CFM fans, and full grease containment — bringing these establishments up to current NFPA 96 standards.
Riverwalk Park & Growing Industrial Corridors
As Columbia expands, new restaurants near Riverwalk Park and the growing industrial corridors need purpose-built exhaust systems designed for modern code requirements. Institutional kitchens near Maury Regional Medical Center serve high volumes with extended hours. We design and install systems calibrated for these specific operational demands — not generic specs from a catalog.
Columbia Commercial Kitchen Compliance
The Columbia Fire & Rescue enforces NFPA 96 for all commercial kitchen exhaust systems, with strict scrutiny in the historic downtown overlay where connected buildings make grease fires catastrophically dangerous. Every installation must include proper hinge kits on upblast fans, fire-rated access panels at every duct direction change, code-compliant grease containment, and properly sized make-up air. Our installations are built to pass on the first inspection.
Columbia Wastewater Department aggressively monitors F.O.G. levels. Rooftop grease runoff that reaches the historic drainage systems is severely penalized. We install complete grease containment from the start so you're compliant on both fire and environmental codes before you open.
Learn more about NFPA 96 standards and what they mean for your kitchen.
Columbia Installation Service Area
We install exhaust systems across Columbia and all surrounding Maury County communities. Free on-site estimates for every project.
Frequently Asked Questions — Columbia Installation
Can you retrofit a kitchen exhaust system into a revitalized building on the Columbia square?
Yes. The historic Columbia square is full of 19th-century attached brick buildings being converted into restaurants and breweries. These structures often have concealed, non-standard ductwork behind drop ceilings and limited rooftop access. We design custom duct runs, install fire-rated access panels in strategic locations, and coordinate rooftop penetrations that satisfy Columbia Fire & Rescue while preserving the building character.
What permits does Columbia Fire & Rescue require for a new exhaust installation?
Columbia Fire & Rescue requires mechanical permits for all commercial kitchen exhaust installations and inspects for full NFPA 96 compliance. They are especially strict in the historic downtown overlay where connected buildings create extreme fire risk. We handle all permit paperwork and schedule your final fire inspection directly.
How do you handle the heavy grease loads from Columbia BBQ and Southern food restaurants?
BBQ smokers, deep fryers, and Southern comfort cooking produce thick, sticky grease that overwhelms standard systems. We install Type I exhaust hoods with higher CFM ratings, heavy-duty direct-drive fans with sealed motor compartments, and multi-tier rooftop grease containment systems designed for the intense output. The Columbia Wastewater Department monitors F.O.G. aggressively, so containment is non-negotiable.
What is the cost range for installing a kitchen exhaust system near Maury Regional Medical Center?
Institutional kitchen installations near Maury Regional and the surrounding commercial corridors typically run $20,000-$50,000+ depending on hood size, duct length, and fire suppression scope. Hospital-adjacent cafeterias and medical plaza restaurants often need higher-capacity systems to handle extended operating hours. We provide free on-site estimates with detailed line-item quotes.
Do you install grease containment for buildings with older built-up roofing in Columbia?
Absolutely. Many Columbia commercial buildings have older built-up roofing (BUR) and mixed-material roofs that are especially vulnerable to grease damage. We install multi-layer containment systems — grease boxes, drip trays, absorbent pads, and 360-degree gutters — that protect the membrane and keep you compliant with both NFPA 96 and Columbia Wastewater Department regulations.
Muletown Kitchen Needs Ventilation? Call DDAN.
Whether you're opening on the historic square, upgrading an aging diner on Carmack Blvd, or building out near Maury Regional, DDAN Hood Cleaning and Repair handles the exhaust installation from survey to final inspection.
Call Now: (615) 881-6968