Long Island City's dense mix of luxury residential towers, creative offices, and converted industrial lofts demands precision climate control. Denair HVAC's VRV air conditioning services deliver zoned, energy-efficient comfort across every square foot—cutting energy costs by up to 58% while meeting NYC's evolving sustainability mandates. Discover why property managers and building owners across Queens trust Denair for VRV solutions.
Comprehensive VRV and HVAC solutions tailored for Long Island City's commercial, residential, and mixed-use properties.
Complete turnkey installation of Variable Refrigerant Flow and split systems ideal for Long Island City rooftops and balconies. End-to-end project management with in-shop ductwork fabrication and on-site installation performed simultaneously.
Proactive VRV maintenance plans that maximize efficiency, extend equipment lifespan, and prevent costly breakdowns. Free preventative maintenance included for up to 18 months on all new installations, with annual contract options available.
Certified technicians on call around the clock to restore your VRV system fast—typically within 4 hours. Trained and certified by major manufacturers, arriving fully equipped to handle urgent repairs on all leading HVAC brands.
Modernize outdated equipment with targeted VRV retrofits and expert tuning to optimize performance and meet NYC's current energy standards—without the cost of full system replacement.
Smart controls and automation solutions that significantly reduce energy costs and environmental impact for VRV systems—supporting compliance with NYC's LL97 sustainability mandates facing Long Island City property owners.
Expert VRV system design, shop drawings, and value engineering that optimizes proposals by up to 35%—identifying cost-saving opportunities on Long Island City projects with tight timelines and budgets.
Our application engineers conduct a detailed on-site evaluation of your Long Island City property—accounting for building layout, rooftop access, zoning requirements, and usage patterns—to design a VRV system precisely matched to your needs.
See how Long Island City and NYC property owners have saved thousands with Denair HVAC's VRV solutions.
"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."
"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"
"Denair is the most dependable HVAC service company in New York!"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"Crew was respectful, fast, and left our place spotless. Five stars."
"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..."
"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."
"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!"
"Impeccable install. You can tell they're pros the moment they walk in."
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
"Denair is professional and courteous."
"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!"
"excellent work and quality"
"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."
"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"
"Denair is the most dependable HVAC service company in New York!"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"Crew was respectful, fast, and left our place spotless. Five stars."
"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..."
"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."
"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!"
"Impeccable install. You can tell they're pros the moment they walk in."
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
"Denair is professional and courteous."
"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!"
"excellent work and quality"
"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."
"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"
"Denair is the most dependable HVAC service company in New York!"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"Crew was respectful, fast, and left our place spotless. Five stars."
"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..."
"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."
"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!"
"Impeccable install. You can tell they're pros the moment they walk in."
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
"Denair is professional and courteous."
"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!"
"excellent work and quality"
Long Island City property owners choose Denair for our unmatched combination of technical expertise, transparent pricing, and genuine commitment to your building's comfort.
28 OSHA-certified technicians, each with 5+ years of experience, trained and certified by major VRV manufacturers.
We save Long Island City clients up to 35% on HVAC budgets by identifying equal-performance equipment at lower cost.
All unintended costs compensated at our own expense—no surprise invoices for Queens and NYC property managers.
Round-the-clock emergency VRV repairs, typically on-site within 4 hours anywhere across Long Island City and greater NYC.
Experienced professionals dedicated to superior VRV service across NYC.
Founder & CEO
Dennis founded Denair HVAC in March 2007 with a single used truck and a vision for delivering honest, high-quality HVAC service across New York City. With over 17 years of hands-on experience spanning every facet of the HVAC industry—from field installation to strategic operations—Dennis has grown Denair from a one-man operation to a $2 million+ revenue company recognized by Inc. 5000 as one of America's fastest-growing businesses. His leadership philosophy centers on transparency, technical excellence, and a genuine commitment to meeting client needs. Under his direction, Denair has become a trusted VRV and commercial HVAC partner for property managers, general contractors, and building owners throughout Long Island City and the broader NYC metro area.
Service Manager
Thomas leads Denair HVAC's service operations with a relentless focus on fast response times, efficient scheduling, and consistent quality across every job site in Long Island City and the NYC metro area. He personally coordinates field technicians and customer communication to ensure VRV systems are diagnosed and restored with minimal disruption to tenants and building operations. Thomas's operational expertise means clients experience smooth, well-organized service visits from dispatch through completion—reducing downtime and keeping critical climate control systems running reliably year-round. His hands-on management style and commitment to accountability make him a cornerstone of Denair's service delivery.
Application Engineer
Ramil brings deep technical expertise to every VRV system Denair designs and installs across Long Island City and New York City. He oversees equipment selection, technical planning, and application engineering—ensuring each system is tailored to the specific performance, efficiency, and code-compliance needs of the building it serves. Ramil's methodical approach to system design helps clients achieve long-term reliability and meaningful energy savings, while his thorough documentation supports seamless installations and future serviceability. His work is critical to Denair's ability to deliver VRV solutions that perform as specified from day one and remain dependable for decades.
Lead Estimator
Farrukh has been a cornerstone of Denair HVAC since 2010, bringing over a decade of estimating expertise to every VRV and commercial HVAC bid the company pursues. As Lead Estimator, he is responsible for preparing comprehensive, timely bid proposals—tracking opportunities with vendors, subcontractors, and clients to ensure accuracy and competitiveness. His mastery of value engineering helps Long Island City property owners and general contractors identify significant cost savings without sacrificing system quality or performance. Farrukh's individual approach to each bid—providing detailed scope breakdowns, alternates, and revisions—is a key reason Denair can offer pricing that beats competitors in 90% of cases.
A well-maintained VRV (Variable Refrigerant Volume) system typically lasts 15 to 20 years, and in some cases longer with proper preventive care. Key factors affecting lifespan include installation quality, usage intensity, and maintenance frequency. Denair HVAC offers customized preventive maintenance plans—including up to 18 months free on new installations—to maximize the service life of your VRV investment.
Speak with a Denair HVAC expert for a free consultation and estimate.
Denair HVAC provides VRV air conditioning services across Long Island City and the entire New York metro area.
11+ Regions
Service Area
Within 4 Hours
Emergency Response
4.7★ Rated
Customer Rating
Contact us to confirm coverage and get a free VRV system estimate.
Named one of America's fastest-growing companies.
All technicians hold OSHA 40-hour safety certification.
Licensed Registered Mechanical/HVAC Contractor in New York.
Fill out the form below and a Denair HVAC specialist will reach out to discuss your VRV air conditioning needs, provide a detailed scope breakdown, and deliver a value-engineered proposal—at no cost or obligation.
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