Grease Duct Fabrication
Custom in-shop and on-site fabrication of grease ductwork to precise dimensions, ensuring seamless integration with your kitchen's exhaust system and full compliance with NYC fire and mechanical codes.
Queens restaurants and commercial kitchens demand grease ductwork that meets NYC fire codes and withstands heavy daily use. Denair HVAC delivers code-compliant grease duct installation with certified technicians, in-shop fabrication, and fixed pricing—protecting your kitchen, staff, and business from fire hazards and costly violations across every Queens neighborhood.
Comprehensive grease duct solutions for Queens commercial kitchens—from fabrication and installation to compliance and maintenance.
Custom in-shop and on-site fabrication of grease ductwork to precise dimensions, ensuring seamless integration with your kitchen's exhaust system and full compliance with NYC fire and mechanical codes.
Professional installation of commercial kitchen exhaust hood systems, including grease duct runs, makeup air connections, and fire suppression integration tailored to Queens restaurant layouts.
Installation of UL-listed fire-rated enclosures around grease ducts to meet NYC Building Code requirements, protecting your property and ensuring inspection approval without costly rework.
Full removal and replacement of deteriorated or non-compliant grease ductwork, restoring safe kitchen ventilation and bringing your system up to current NYC mechanical and fire code standards.
Scheduled grease duct inspections and cleaning programs to prevent grease buildup, reduce fire risk, and keep your Queens kitchen operating efficiently—with free maintenance up to 18 months on new installations.
End-to-end support navigating NYC Department of Buildings permits, inspections, and grease duct compliance documentation—so your Queens kitchen passes review the first time.
Our team visits your Queens kitchen to evaluate the existing layout, measure duct pathways, and review compliance requirements under NYC Building and Fire Codes—identifying any fire-rated enclosure or clearance issues before work begins.
See how Queens restaurants and commercial kitchens achieved code compliance and improved safety with Denair HVAC.
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"Impeccable install. You can tell they're pros the moment they walk in."
"Denair is the most dependable HVAC service company in New York!"
"I recently used Denair for some repairs to my small two-story office building, and I have to say they are the most honest, hard-working and value focused HVAC provider I have ever experienced! Not only was the price competitive, but more importantly they helped reduce my energy costs from an..."
"I didn't even know about their referral program sending DENAIR to one of my commercial tenants. It was a nice surprise to get paid for referral. Based on the tenant's feedback, the job was well-done. Now it's no brainer to recommend DENAIR to all my tenants"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"They have the best Engineering Service I have ever seen; they are always available on request and perform the maintenance in the most efficient way. Great Service."
"Crew was respectful, fast, and left our place spotless. Five stars."
"Great company, our office was getting hotter by the minute. Denair had a tech on site with in the hour and the ac working perfect in two hours"
"What a great service. I randomly called to get multiple system inspected in my building. They came on time, done a great job and provided a detailed report. I love their transparency."
"Dennis was always available when I called on him. Never was any additional work generated on any quote/contract awarded. Reliable, expert and a pleasure to work with. A real value!"
"Great reliable HVAC company, a very rare thing to say these days — the pricing is very competitive and the work is reliable. The staff is professional and courteous, they clean up after themselves and always answer. I would recommend them!"
"excellent work and quality"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"Impeccable install. You can tell they're pros the moment they walk in."
"Denair is the most dependable HVAC service company in New York!"
"I recently used Denair for some repairs to my small two-story office building, and I have to say they are the most honest, hard-working and value focused HVAC provider I have ever experienced! Not only was the price competitive, but more importantly they helped reduce my energy costs from an..."
"I didn't even know about their referral program sending DENAIR to one of my commercial tenants. It was a nice surprise to get paid for referral. Based on the tenant's feedback, the job was well-done. Now it's no brainer to recommend DENAIR to all my tenants"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"They have the best Engineering Service I have ever seen; they are always available on request and perform the maintenance in the most efficient way. Great Service."
"Crew was respectful, fast, and left our place spotless. Five stars."
"Great company, our office was getting hotter by the minute. Denair had a tech on site with in the hour and the ac working perfect in two hours"
"What a great service. I randomly called to get multiple system inspected in my building. They came on time, done a great job and provided a detailed report. I love their transparency."
"Dennis was always available when I called on him. Never was any additional work generated on any quote/contract awarded. Reliable, expert and a pleasure to work with. A real value!"
"Great reliable HVAC company, a very rare thing to say these days — the pricing is very competitive and the work is reliable. The staff is professional and courteous, they clean up after themselves and always answer. I would recommend them!"
"excellent work and quality"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"Impeccable install. You can tell they're pros the moment they walk in."
"Denair is the most dependable HVAC service company in New York!"
"I recently used Denair for some repairs to my small two-story office building, and I have to say they are the most honest, hard-working and value focused HVAC provider I have ever experienced! Not only was the price competitive, but more importantly they helped reduce my energy costs from an..."
"I didn't even know about their referral program sending DENAIR to one of my commercial tenants. It was a nice surprise to get paid for referral. Based on the tenant's feedback, the job was well-done. Now it's no brainer to recommend DENAIR to all my tenants"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"They have the best Engineering Service I have ever seen; they are always available on request and perform the maintenance in the most efficient way. Great Service."
"Crew was respectful, fast, and left our place spotless. Five stars."
"Great company, our office was getting hotter by the minute. Denair had a tech on site with in the hour and the ac working perfect in two hours"
"What a great service. I randomly called to get multiple system inspected in my building. They came on time, done a great job and provided a detailed report. I love their transparency."
"Dennis was always available when I called on him. Never was any additional work generated on any quote/contract awarded. Reliable, expert and a pleasure to work with. A real value!"
"Great reliable HVAC company, a very rare thing to say these days — the pricing is very competitive and the work is reliable. The staff is professional and courteous, they clean up after themselves and always answer. I would recommend them!"
"excellent work and quality"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
Queens kitchen operators trust Denair HVAC for grease ductwork that's installed right, on time, and within budget—every time.
Deep knowledge of NYC fire and mechanical codes ensures your Queens grease duct installation passes inspection the first time.
All unintended costs are covered at our expense—no surprise invoices after your Queens project is underway.
In-shop fabrication runs parallel to on-site prep, cutting weeks off timelines for busy Queens commercial kitchens.
28 OSHA-certified professionals with a minimum of 5 years' experience handling grease duct projects across Queens and all NYC boroughs.
Experienced specialists dedicated to safe, compliant grease ductwork across Queens.
Founder & CEO
Dennis founded Denair HVAC in March 2007 with nothing more than one man and a beat-up used truck. Armed with over 17 years of hands-on HVAC experience, he grew the company from the ground up into a $2M+ revenue operation recognized by Inc. 5000 as one of America's fastest-growing companies. Dennis leads Denair's strategic vision with a relentless focus on honesty, quality, and affordability—values that have made Denair the go-to mechanical contractor for Queens restaurants, commercial kitchens, and property managers throughout NYC. Under his leadership, the company has completed over 400 projects and saved clients over $186,000 through value engineering in just the last six months.
Lead Estimator
Farrukh has been a cornerstone of Denair HVAC since 2010, bringing precision and speed to every grease ductwork bid and proposal. As Lead Estimator, he is responsible for comprehensive bid preparation, tracking vendor and subcontractor opportunities, and delivering detailed scope breakdowns with alternates and revisions. His meticulous approach to value engineering ensures Queens restaurant owners and property managers receive competitively priced proposals—often 35% below competing bids—without compromising on code compliance or material quality. Farrukh's fast paperwork turnaround keeps Queens projects moving from proposal to approved submittal with minimal delay.
Application Engineer
Ramil designs grease duct and HVAC systems tailored to the unique structural and performance demands of each commercial kitchen. He oversees equipment selection, technical planning, and code-compliant application support for every Denair installation in Queens and across the NYC metro area. His engineering expertise ensures grease ductwork systems are sized correctly for exhaust volume, constructed with appropriate materials for fire resistance, and designed to meet NYC Building Code clearance requirements. Ramil's involvement from design through close-out guarantees long-lasting reliability and energy efficiency for every Queens kitchen project.
Service Manager
Thomas leads Denair HVAC's service operations, ensuring that every grease duct installation and repair in Queens is completed with fast response times, efficient crew scheduling, and consistent quality from start to finish. He coordinates field technicians and client communication to minimize kitchen downtime and deliver a smooth, professional experience on every project. Thomas's operational management ensures that crews arrive fully equipped, work progresses on schedule, and any issues are resolved before they impact your kitchen's compliance status or daily operations—making him a key reason Denair completes 80% of projects ahead of schedule.
Commercial grease ductwork in NYC typically costs between $80 and $200+ per linear foot installed, depending on duct size, material gauge, fire-rated enclosure requirements, and building access complexity. Queens installations in older or high-rise buildings may carry additional costs for routing and compliance. Denair HVAC provides fixed-price proposals with no surprise charges, and value engineering can reduce your total project cost by up to 35%.
Talk to a Denair HVAC specialist for a free, no-obligation consultation and estimate.
Denair HVAC installs grease ductwork across Queens and all NYC boroughs, serving commercial kitchens of every size.
11 Regions
Service Area
400+
Projects Completed
Within 4 Hours
Response Time
Contact us to confirm coverage and schedule a free on-site grease duct assessment.
Recognized as one of America's fastest-growing companies.
All technicians hold OSHA 40-hour safety certification.
Licensed and registered HVAC/Mechanical contractor in New York.
Fill out the form below and a Denair HVAC specialist will reach out within one business day to discuss your Queens commercial kitchen project, provide a detailed scope breakdown, and deliver a fixed-price proposal with no hidden costs.
For immediate assistance, feel free to give us a direct call at 718-791-5074 You can also send us a quick email at
For immediate assistance, feel free to give us a direct call at 718-791-5074 You can also send us a quick email at