VFD Retrofit Installation
Retrofit existing HVAC motors with precision variable frequency drives that modulate speed to match real-time load demand, cutting energy use by up to 58% without replacing the entire system.
Queens buildings lose thousands annually to inefficient HVAC motors running at full speed regardless of demand. Denair HVAC's VFD retrofit service installs variable frequency drives that precisely match motor output to real-time load—cutting energy consumption by up to 58%, extending equipment life, and helping property owners meet NYC's Local Law 97 sustainability mandates without full system replacement.
Comprehensive VFD retrofit and energy optimization solutions for commercial and residential properties across Queens and all NYC boroughs.
Retrofit existing HVAC motors with precision variable frequency drives that modulate speed to match real-time load demand, cutting energy use by up to 58% without replacing the entire system.
Modernize outdated equipment with targeted retrofits and expert tuning to optimize performance, enhance comfort, and meet current NYC energy standards without the cost of full system replacement.
Integrate smart controls and automation alongside VFD installations to significantly reduce energy costs, improve system responsiveness, and minimize environmental impact across your facility.
Navigate NYC's Local Law 97 carbon emissions mandates confidently. Our VFD retrofits reduce energy consumption in ways that directly support compliance and help avoid costly penalty fees.
Protect your VFD investment with proactive maintenance plans that keep drives and HVAC systems running efficiently year-round, lowering utility expenses and extending equipment lifespan.
Following every VFD retrofit, our certified team performs air testing and balancing with detailed certified reports to confirm systems operate at peak performance and optimal energy efficiency.
Our engineers visit your Queens facility to assess existing HVAC motors, measure current energy consumption, and identify every opportunity where VFD installation will deliver maximum savings relative to your building's actual load profile.
See how Queens and NYC property owners are cutting energy costs and achieving compliance with our VFD retrofits.
"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."
"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."
"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"
"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."
"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!"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"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"
"excellent work and quality"
"Denair is professional and courteous."
"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..."
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"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."
"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"
"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."
"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!"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"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"
"excellent work and quality"
"Denair is professional and courteous."
"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..."
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"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."
"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"
"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."
"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!"
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"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"
"excellent work and quality"
"Denair is professional and courteous."
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
Queens property owners trust Denair HVAC for VFD retrofits because we combine deep technical expertise with transparent pricing and a genuine commitment to your energy savings goals.
Our VFD retrofits reduce energy costs by up to 58%, with clients across NYC saving over $186,000 on projects in recent months.
Serving Queens and all five NYC boroughs since 2007, we understand local building stock, LL97 mandates, and borough-specific permitting requirements.
All unintended costs are covered at our own expense. You get a locked proposal with no surprise charges—ever.
28 OSHA-certified technicians, each with 5+ years of experience, trained and certified by major HVAC manufacturers to ensure code-compliant, high-quality installations.
Experienced professionals dedicated to your energy savings and comfort.
Founder & CEO
Dennis founded Denair HVAC in March 2007 with a single used truck and a vision for honest, high-quality mechanical contracting across New York City. With over 17 years of hands-on experience in every aspect of the HVAC industry, he has grown the company from a one-man operation to a $2M+ revenue business recognized by Inc. 5000 as one of America's fastest-growing companies. Dennis leads Denair's strategic vision—championing value engineering, transparent pricing, and energy-focused innovations like VFD retrofits that help Queens and NYC property owners dramatically reduce operating costs while meeting Local Law 97 compliance targets.
Application Engineer
Ramil is the technical backbone behind Denair HVAC's VFD retrofit and energy optimization projects. He designs and supports HVAC systems tailored to each building's unique performance and efficiency requirements—whether a high-rise in Flushing, a commercial complex in Long Island City, or a mixed-use property across the Queens boroughs. Ramil oversees equipment selection, VFD sizing, technical planning, and application support to ensure every retrofit delivers long-lasting reliability, measurable energy savings, and full compliance with NYC mechanical codes and Local Law 97 standards. His attention to detail makes him the go-to resource for complex energy engineering challenges.
Service Manager
Thomas leads Denair HVAC's service operations, ensuring that every VFD retrofit project in Queens and across New York City is executed with fast response times, efficient scheduling, and consistent quality from first contact to final commissioning. He coordinates field technicians, manages customer communication, and oversees close-out documentation so clients experience minimal disruption and maximum system uptime. Thomas's operational discipline is a key reason Denair completes 80% of projects ahead of schedule—backed by a 0.1% per-day penalty guarantee for any project delays. His leadership keeps Denair's service standards among the highest in the NYC HVAC industry.
Lead Estimator
Farrukh has been an integral part of the Denair HVAC team since 2010, bringing over a decade of expertise in preparing comprehensive, accurate bid proposals for VFD retrofit and HVAC projects of all scales. As Lead Estimator, he is dedicated to each project bid, delivering detailed scope breakdowns, alternates, and revisions that reflect Denair's commitment to value engineering—helping Queens and NYC clients optimize project budgets by up to 35%. Farrukh tracks opportunities with vendors, subcontractors, and customers to ensure every proposal is competitive, transparent, and aligned with the client's energy savings objectives.
HVAC retrofits involve upgrading or replacing specific components of an existing system—such as motors, controls, or drives—to improve efficiency, performance, or code compliance without a full system replacement. Common retrofits include adding variable frequency drives (VFDs) to fan and pump motors, upgrading to smart controls, replacing outdated coils, or integrating new Building Management Systems (BMS), all of which extend equipment lifespan and reduce operating costs.
Talk to our certified HVAC engineers for a free consultation and energy audit.
Denair HVAC delivers VFD retrofit and energy savings services across Queens and the entire New York Metro Area.
11+ Regions
Service Area
24/7 Emergency
Availability
4.7★ Rated
Customer Rating
Contact us to confirm coverage and schedule a free on-site energy audit today.
Recognized as one of America's fastest-growing companies.
All technicians hold full OSHA 40-hour safety certification.
Fully licensed HVAC and mechanical contractor in New York.
Fill out the form below and a Denair HVAC engineer will contact you to schedule a no-obligation on-site energy audit. Get a fixed-price VFD retrofit proposal with projected savings specific to your Queens 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