Energy Management & Automation
Smart controls and automated systems that significantly reduce energy consumption and operating costs, keeping your Brooklyn property efficient and compliant with NYC's evolving energy mandates.
Brooklyn's aging building stock and NYC's strict Local Law 97 mandates demand smarter climate control. Denair HVAC delivers advanced controls and automation solutions that cut energy costs by up to 58%, modernize outdated systems, and keep your property fully compliant—whether you manage a Brownsville multi-family, a Bay Ridge retail space, or a Downtown Brooklyn office tower.
Comprehensive smart HVAC controls and automation solutions tailored for Brooklyn's commercial, residential, and industrial properties.
Smart controls and automated systems that significantly reduce energy consumption and operating costs, keeping your Brooklyn property efficient and compliant with NYC's evolving energy mandates.
Full building management system integration and HVAC control installation for commercial facilities, enabling centralized monitoring, scheduling, and real-time performance optimization across all zones.
Expert guidance through NYC's Local Law 97 sustainability mandates, implementing automated controls and retrofits that help building owners avoid costly penalties and meet emissions targets.
Targeted retrofits and system tune-ups that modernize outdated HVAC controls without full replacement, improving performance, enhancing tenant comfort, and meeting current NYC energy standards.
Proactive maintenance plans that keep automated HVAC controls and connected systems running at peak efficiency year-round, reducing energy costs and preventing unexpected breakdowns.
Certified air testing and balancing services performed post-installation to verify that all HVAC control systems operate at optimal performance levels with full certified documentation provided.
Brooklyn's dense mix of pre-war residential towers, modern commercial lofts, and high-traffic retail spaces demands HVAC controls that do more than just switch on and off. Denair HVAC designs and installs intelligent automation systems that learn your building's usage patterns, respond to NYC's seasonal temperature swings, and continuously optimize performance. From reducing utility bills to staying ahead of Local Law 97 compliance deadlines, our certified team delivers controls technology that pays for itself—backed by up to a 10-year extended warranty.
See how Brooklyn and NYC property owners are cutting energy costs and achieving compliance with Denair HVAC.
"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 was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"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"
"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!"
"Amazing HVAC vendor who is doing multiple accounts for my company."
"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."
"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."
"Impeccable install. You can tell they're pros the moment they walk in."
"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"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely 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!"
"excellent work and quality"
"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 was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"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"
"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!"
"Amazing HVAC vendor who is doing multiple accounts for my company."
"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."
"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."
"Impeccable install. You can tell they're pros the moment they walk in."
"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"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely 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!"
"excellent work and quality"
"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 was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"I am very pleased with the service and professionalism we receive from all the techs and staff at Denair."
"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"
"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!"
"Amazing HVAC vendor who is doing multiple accounts for my company."
"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."
"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."
"Impeccable install. You can tell they're pros the moment they walk in."
"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"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely 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!"
"excellent work and quality"
Brooklyn businesses and property managers trust Denair HVAC because we combine deep technical expertise with a genuine commitment to your bottom line.
Deep knowledge of Local Law 97 and NYC building codes ensures your Brooklyn property stays compliant and penalty-free.
Value Engineering has saved Brooklyn and NYC clients over $186,000 on HVAC projects in the last six months alone.
Round-the-clock emergency response means your automated HVAC systems are never down for long, any season.
Every installation is backed by up to a 10-year extended manufacturer's warranty for complete long-term peace of mind.
Experienced professionals dedicated to Brooklyn's most demanding HVAC controls projects.
Founder & CEO
Dennis founded Denair HVAC in Brooklyn in March 2007, starting with one man and a beat-up used truck. With over 17 years of hands-on HVAC industry experience, he has built the company into a recognized NYC leader, growing from a one-person operation to a $2M+ revenue firm in just five years. His strategic vision and deep technical knowledge across all facets of the business—from controls and automation to large-scale commercial installations—have earned Denair a coveted spot on the Inc. 5000 list of America's fastest-growing companies. Dennis leads with a philosophy rooted in honesty, commitment, and genuine client satisfaction.
Application Engineer
Ramil is Denair HVAC's Application Engineer, responsible for designing and supporting HVAC controls and automation systems precisely tailored to each Brooklyn and NYC building's unique performance and efficiency requirements. He oversees equipment selection, technical planning for BMS integrations, and application support to ensure every solution delivers long-lasting reliability, measurable energy savings, and full code-compliant operation. Ramil's engineering expertise is central to Denair's ability to offer value-engineered automation solutions that meet the stringent demands of New York City's commercial and residential building landscape.
Service Manager
Thomas leads Denair HVAC's service operations across Brooklyn and the greater NYC metro area, ensuring fast response times, efficient technician scheduling, and consistent quality on every controls and automation service call. He coordinates field technicians and manages client communication to minimize system downtime and deliver a seamless service experience from the initial diagnostic through final commissioning. Thomas's leadership is the reason Denair consistently achieves same-day service—usually within four hours—keeping automated building systems and critical HVAC controls running reliably regardless of the season or urgency.
Lead Estimator
Farrukh has been a cornerstone of Denair HVAC since 2010, bringing exceptional expertise to every controls and automation bid across Brooklyn and NYC. As Lead Estimator, he is responsible for preparing comprehensive, accurate, and timely bid proposals for HVAC controls projects of all sizes—from boutique Brooklyn retail fitouts to large-scale commercial BMS integrations. He proactively tracks opportunities with vendors, subcontractors, and customers, ensuring every proposal reflects the best possible value. His meticulous approach to scope breakdowns and alternates is a key driver of Denair's ability to save clients up to 35% through Value Engineering.
An HVAC contractor is a licensed mechanical contractor specializing in the installation, maintenance, and repair of heating, ventilation, and air conditioning systems. They may also be called HVAC technicians, mechanical contractors, or refrigeration engineers. In New York City, HVAC contractors must hold a registered Mechanical/HVAC Contractor license to legally perform installation and control system work on commercial and residential buildings.
Speak with a certified Denair HVAC specialist for a free, no-obligation consultation today.
Denair HVAC provides HVAC controls and automation services across Brooklyn and the greater New York metro area.
11 Regions
Service Area
24/7 Support
Emergency Availability
4.7★ Rated
Customer Rating
Contact us to confirm coverage and schedule a free on-site controls assessment.
Recognized as one of America's fastest-growing companies.
Full OSHA 40-hour safety certification for all field operations.
NYC-registered HVAC and mechanical contractor license in good standing.
Fill out the form below and a Denair HVAC specialist will reach out within one business day to discuss your building's controls and automation needs, provide a scope overview, and schedule a free on-site evaluation.
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