Thermostat Installation
Professional installation of programmable and smart thermostats that give you precise, zone-by-zone control over indoor temperatures—reducing energy waste and improving comfort in Long Island City properties of any size.
Long Island City's dense mix of residential towers, commercial lofts, and mixed-use developments demands precise, reliable temperature control. Denair HVAC delivers expert installation of thermostats, building automation systems, and smart controls—engineered to cut energy costs, ensure year-round comfort, and keep your property fully compliant with NYC's evolving sustainability mandates.
Comprehensive temperature controls solutions for residential, commercial, and mixed-use properties across Long Island City and the NYC metro area.
Professional installation of programmable and smart thermostats that give you precise, zone-by-zone control over indoor temperatures—reducing energy waste and improving comfort in Long Island City properties of any size.
End-to-end BMS design and installation that centralizes climate, lighting, and energy management for commercial and multi-family buildings, enabling remote monitoring and data-driven operational decisions.
Smart controls and automation solutions engineered to significantly cut energy costs and environmental impact—helping NYC property owners meet LL97 sustainability mandates and reduce utility expenses year-round.
Seamless integration of HVAC control systems into existing building management infrastructure, ensuring all mechanical equipment communicates effectively for peak efficiency, uptime, and code compliance.
Thorough post-installation testing, balancing, and commissioning of all temperature control systems to verify accurate calibration, optimal performance, and full operational readiness before handover.
Modernize outdated pneumatic or analog controls with current digital and smart solutions—enhancing responsiveness, lowering maintenance costs, and extending the functional life of your existing HVAC equipment.
Our engineers conduct a detailed on-site evaluation of your Long Island City property—reviewing existing HVAC equipment, building layout, usage patterns, and NYC code requirements—to define a precise controls installation scope.
See how Denair HVAC has delivered precise temperature control solutions for properties across Long Island City and NYC.
"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!"
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"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."
"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."
"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"
"excellent work and quality"
"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!"
"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!"
"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."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"Amazing HVAC vendor who is doing multiple accounts for my company."
"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!"
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"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."
"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."
"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"
"excellent work and quality"
"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!"
"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!"
"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."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"Amazing HVAC vendor who is doing multiple accounts for my company."
"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!"
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"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."
"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."
"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"
"excellent work and quality"
"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!"
"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!"
"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."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"Amazing HVAC vendor who is doing multiple accounts for my company."
Denair HVAC brings nearly two decades of NYC mechanical contracting expertise to every temperature controls installation in Long Island City and beyond.
28 OSHA-certified technicians trained by major manufacturers deliver code-compliant installations throughout Long Island City and all NYC boroughs.
Our dedicated estimators optimize every proposal, saving clients up to 35% on controls installation budgets without compromising system performance or quality.
We design and install temperature controls that directly support NYC's Local Law 97 sustainability requirements, helping Long Island City property owners avoid costly emissions penalties.
80% of our projects finish early—and we back every contract with a terms guarantee of 0.1% per day for any project delay, giving clients real accountability.
Experienced professionals dedicated to delivering precision temperature controls across NYC.
Founder & CEO
Dennis founded Denair HVAC in March 2007 with a single used truck and a determination to bring honest, high-quality HVAC services to the New York metro area. Drawing on over 17 years of hands-on industry experience, he grew the company from a one-man operation to a recognized Inc. 5000 fastest-growing business with over $2 million in annual revenue. Dennis leads Denair's strategic vision, overseeing temperature controls installations and complex HVAC projects across Long Island City, Queens, and the broader NYC market. His commitment to value engineering, fixed-price proposals, and uncompromising quality has made Denair a trusted partner for property managers, general contractors, and building owners throughout New York.
Application Engineer
Ramil is Denair HVAC's Application Engineer, specializing in the design and technical planning of HVAC and temperature control systems tailored to each building's unique performance and efficiency requirements. He oversees equipment selection, controls schematics, and code-compliant system configurations—ensuring every installation in Long Island City and across the NYC metro delivers long-term reliability and measurable energy savings. Ramil's deep technical expertise supports both new construction and retrofit projects, from building automation systems and BMS integration to smart thermostat deployments and LL97-aligned energy management solutions. His meticulous approach to application engineering is a cornerstone of Denair's quality guarantee.
Service Manager
Thomas leads Denair HVAC's service operations with a focus on fast response times, efficient technician scheduling, and consistent installation quality across every project. He coordinates field crews and customer communications to minimize downtime and ensure a smooth service experience from initial site visit through final commissioning. For Long Island City clients managing high-density residential towers or commercial lofts, Thomas's operational discipline means temperature controls installations are completed on schedule, with all systems tested and handed over to full client satisfaction. His leadership is central to Denair's promise that 80% of projects finish ahead of schedule.
Lead Estimator
Farrukh has been an integral part of the Denair HVAC team since 2010, bringing over 14 years of estimating expertise to every temperature controls installation proposal. He is responsible for comprehensive and timely bid preparation, tracking opportunities with vendors, subcontractors, and clients to ensure every scope is accurately priced. Farrukh's value engineering approach consistently identifies equipment alternatives of equal performance at lower cost—helping Long Island City property owners and general contractors save significantly on controls installation budgets. His detailed scope breakdowns, alternates, and revisions give clients the clarity and confidence to make informed investment decisions.
Denair HVAC installs a full range of temperature control systems, including programmable and smart thermostats, building automation systems (BAS/BMS), energy management controls, zone control panels, and integrated HVAC controls. We serve residential buildings, commercial offices, retail spaces, medical facilities, and mixed-use developments throughout Long Island City and the broader NYC metro area.
Our certified engineers are ready to answer your questions and provide a free, no-obligation estimate for your Long Island City project.
Denair HVAC provides temperature controls installation across Long Island City, Queens, and the entire New York metro region.
11+ Regions
Service Area
400+
Projects Completed
19+ Years
In Business
Contact us to confirm coverage and schedule a free on-site assessment for your temperature controls project.
Recognized among America's fastest-growing companies.
All technicians hold full OSHA safety certification.
Fully licensed mechanical and HVAC contractor in New York.
Fill out the form below and a Denair HVAC specialist will respond promptly to discuss your project requirements, 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