Energy Management & Automation
Smart Honeywell controls and automation solutions designed to significantly reduce energy costs, minimize environmental impact, and give facility managers real-time visibility into building performance.
Honeywell Building Automation Systems bring intelligent control to New York's commercial and residential properties—optimizing HVAC performance, cutting energy costs, and ensuring year-round comfort. From Brooklyn high-rises to Manhattan offices, Denair HVAC delivers expert integration, programming, and support for Honeywell BAS platforms, helping facility managers take full command of their building's mechanical systems.
Comprehensive Honeywell BAS solutions spanning controls integration, energy management, HVAC automation, and ongoing system support.
Smart Honeywell controls and automation solutions designed to significantly reduce energy costs, minimize environmental impact, and give facility managers real-time visibility into building performance.
Seamless integration of Honeywell BAS with existing HVAC infrastructure, including RTUs, VAVs, and chiller plants, ensuring all systems communicate intelligently for optimized comfort and efficiency.
Targeted retrofits and expert system tuning that modernize outdated controls without full replacement—enhancing uptime, compliance, and energy performance across mission-critical New York facilities.
Proactive Honeywell BAS maintenance plans that keep automation systems calibrated, responsive, and efficient year-round—reducing surprise failures and extending the operational life of your controls investment.
Round-the-clock BAS and HVAC emergency response by manufacturer-trained technicians. Rapid diagnostics and same-day service—typically within 4 hours—minimize operational disruption across all facility types.
Expert guidance through NYC's Local Law 97 sustainability mandates, leveraging Honeywell automation to monitor, report, and reduce carbon emissions to keep your building compliant and penalty-free.
New York's dense, energy-intensive building stock demands automation systems that deliver more than basic scheduling—they need to adapt in real time. Honeywell Building Automation Systems give facility managers in Manhattan, Brooklyn, and beyond the intelligence to optimize HVAC performance, slash energy consumption by up to 58%, ensure LL97 compliance, and maintain occupant comfort across every floor. Denair HVAC's certified technicians handle full BAS integration, commissioning, and ongoing support tailored to your building's unique needs.
See how Denair HVAC has transformed building performance with Honeywell automation across New York properties.
"Crew was respectful, fast, and left our place spotless. Five stars."
"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."
"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 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."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"excellent work and quality"
"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"
"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"
"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..."
"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!"
"Denair is professional and courteous."
"Quiet, efficient, and the app control is amazing. My ConEd bills dropped hard."
"Crew was respectful, fast, and left our place spotless. Five stars."
"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."
"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 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."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"excellent work and quality"
"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"
"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"
"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..."
"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!"
"Denair is professional and courteous."
"Quiet, efficient, and the app control is amazing. My ConEd bills dropped hard."
"Crew was respectful, fast, and left our place spotless. Five stars."
"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."
"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 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."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"excellent work and quality"
"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"
"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"
"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..."
"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!"
"Denair is professional and courteous."
"Quiet, efficient, and the app control is amazing. My ConEd bills dropped hard."
We bring manufacturer-level Honeywell expertise and nearly two decades of New York HVAC experience to every automation project.
Our technicians are trained and certified by major manufacturers including Honeywell, ensuring accurate programming and compliant installations.
Deep knowledge of New York building codes and LL97 sustainability mandates means your BAS project stays fully compliant from day one.
24/7 emergency BAS support with technicians on-site typically within 4 hours—keeping your New York facility running without costly downtime.
Value engineering and smart automation strategies have saved clients over $186,000 on projects in the last 6 months alone.
Experienced specialists dedicated to delivering intelligent building automation across New York.
Founder & CEO
Dennis founded Denair HVAC in March 2007 with a single used truck and a vision to bring affordable, high-quality HVAC and building automation services to New York. With over 17 years of hands-on HVAC industry experience, he has grown the company from a one-man operation to a $2M+ revenue business recognized by the Inc. 5000 as one of America's fastest-growing companies. Dennis leads Denair's strategic direction, championing Honeywell BAS integration and energy management solutions that help New York facility managers reduce costs and maintain code compliance. His leadership is rooted in transparency, commitment, and an unwavering focus on client satisfaction.
Application Engineer
Ramil is Denair HVAC's Application Engineer, responsible for designing and supporting HVAC and building automation systems tailored to each building's unique performance and efficiency requirements. He oversees equipment selection, Honeywell BAS technical planning, and application support to ensure every system delivers long-lasting reliability and measurable energy savings. With expertise spanning commercial, residential, and mission-critical environments across New York, Ramil ensures all designs are code-compliant, energy-efficient, and precisely matched to the operational demands of each facility. His technical rigor is a cornerstone of Denair's reputation for delivering automation solutions that perform from day one.
Service Manager
Thomas leads Denair HVAC's service operations, ensuring fast response times, efficient scheduling, and consistent service quality for every Honeywell BAS and HVAC project across New York. He coordinates field technicians and client communication to keep building automation systems running reliably—reducing downtime and ensuring a smooth experience from initial diagnosis to final resolution. Thomas's operational oversight is central to Denair's ability to deliver same-day emergency responses and maintain the high service standards that New York property managers and facility operators depend on year-round.
Lead Estimator
Farrukh has been a cornerstone of Denair HVAC since 2010, serving as Lead Estimator with expertise in preparing comprehensive, accurate bid proposals for Honeywell BAS and commercial HVAC projects of all scales. He tracks opportunities with vendors, subcontractors, and clients to ensure every proposal is competitive, timely, and fully scoped. Farrukh's value engineering approach has helped New York clients optimize their BAS and HVAC budgets by up to 35%, identifying cost-saving equipment alternatives without compromising performance—making Denair consistently more affordable than the competition.
Honeywell Building Automation Systems (BAS) centralize control of a building's HVAC, lighting, ventilation, and energy systems into a single intelligent platform. They monitor real-time conditions, automate responses to occupancy and weather changes, schedule equipment operation, and generate performance reports—enabling facility managers to reduce energy costs, improve occupant comfort, and maintain code compliance with minimal manual intervention.
Talk to our certified building automation specialists for a free consultation tailored to your facility.
Delivering Honeywell BAS integration and HVAC automation services across the entire New York Metro Area.
11 Service Areas
Service Coverage
Within 4 Hours
Emergency Response
400+ Projects
Projects Completed
Contact us to confirm coverage and schedule a free on-site BAS assessment for your facility.
Named one of America's fastest-growing companies.
Highest occupational safety standards met on every job site.
Fully licensed and insured HVAC contractor in New York.
Fill out the form below and a Denair HVAC specialist will reach out to discuss your Honeywell BAS needs, schedule an on-site assessment, and provide a no-obligation consultation for your New York property.
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