VFD Installation
Factory-authorized ABB VFD installation integrated with your existing HVAC equipment. Our certified technicians handle wiring, mounting, and commissioning to ensure optimal motor control and immediate energy savings.
Manhattan's high-rise buildings and dense commercial districts demand precision HVAC control. Denair HVAC delivers expert ABB Variable Frequency Drive service—installation, programming, diagnostics, and repair—helping NYC property managers and business owners cut energy costs by up to 58%, extend equipment life, and maintain uninterrupted climate control year-round.
Comprehensive ABB VFD solutions for commercial and residential HVAC systems across Manhattan and the NYC Metro Area.
Factory-authorized ABB VFD installation integrated with your existing HVAC equipment. Our certified technicians handle wiring, mounting, and commissioning to ensure optimal motor control and immediate energy savings.
Expert parameter configuration and commissioning of ABB drives to match your building's specific load profiles, ensuring precise speed control, fault protection, and energy-efficient operation from day one.
Rapid fault diagnosis and repair for ABB VFD units experiencing alarms, shutdowns, or performance degradation. Technicians are trained and certified by major manufacturers and can typically respond within 4 hours.
Scheduled ABB VFD maintenance plans including cleaning, thermal imaging, firmware updates, and performance verification—proactively preventing costly breakdowns and extending drive lifespan.
Retrofit existing HVAC motors and controls with ABB VFDs to modernize performance, achieve NYC LL97 compliance, and realize substantial energy savings without full system replacement.
Integrate ABB VFDs with smart building automation and BMS platforms to automate motor speed, reduce peak demand charges, and track real-time energy consumption across your Manhattan facility.
Our application engineer visits your Manhattan facility to evaluate existing HVAC motors, operational load profiles, and electrical infrastructure—identifying the right ABB VFD model and configuration for your building's specific demands.
See how Manhattan businesses achieved major energy savings and reliable HVAC performance with our ABB VFD services.
"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"
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"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!"
"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..."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"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."
"Crew was respectful, fast, and left our place spotless. Five stars."
"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."
"Impeccable install. You can tell they're pros the moment they walk in."
"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!"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
"Amazing HVAC vendor who is doing multiple accounts for my company."
"excellent work and quality"
"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"
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"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!"
"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..."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"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."
"Crew was respectful, fast, and left our place spotless. Five stars."
"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."
"Impeccable install. You can tell they're pros the moment they walk in."
"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!"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
"Amazing HVAC vendor who is doing multiple accounts for my company."
"excellent work and quality"
"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"
"I was able to upgrade my cooling towers through the help of Denair and I did love their Service rendered, Wonderful Experience."
"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!"
"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..."
"Really great to work with, awesome staff, happy to work with them anytime again in the future! Highly recommend."
"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."
"Crew was respectful, fast, and left our place spotless. Five stars."
"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."
"Impeccable install. You can tell they're pros the moment they walk in."
"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!"
"These guys are the best. Installed my central air condition. They are quick, thorough and honest! I definitely recommend them."
"Amazing HVAC vendor who is doing multiple accounts for my company."
"excellent work and quality"
Manhattan building owners and property managers trust Denair HVAC for ABB VFD expertise backed by nearly two decades of proven results across New York City.
Trained and certified by major manufacturers including ABB, ensuring accurate VFD setup and NYC code-compliant installations.
24/7 emergency VFD repair with technicians typically on-site within 4 hours anywhere in Manhattan and the five boroughs.
Value-engineered ABB VFD solutions proven to reduce HVAC energy costs by up to 58%—critical for meeting NYC's LL97 carbon mandates.
Founded in 2007 and recognized by Inc. 5000, Denair brings deep knowledge of Manhattan's high-rise and commercial HVAC challenges.
Experienced professionals dedicated to expert ABB VFD HVAC service across NYC.
Founder & CEO
Dennis founded Denair HVAC in March 2007—starting with one man and a beat-up used truck in Brooklyn—and grew the company to over $2 million in annual revenue within five years. With more than 17 years of hands-on HVAC industry experience, Dennis leads the company's strategic vision and has built Denair into one of New York's most recognized commercial HVAC contractors, earning an Inc. 5000 designation as one of America's fastest-growing companies. His deep expertise spans ABB VFD systems, energy management, mechanical contracting, and complex NYC commercial projects, making him the driving force behind Denair's reputation for reliability and value-engineered solutions across Manhattan and the five boroughs.
Service Manager
Thomas leads Denair HVAC's service operations across Manhattan and the greater NYC Metro Area, ensuring fast response times, efficient technician scheduling, and consistent service quality on every ABB VFD and HVAC job. He coordinates field technicians and customer communication to minimize downtime and deliver a seamless service experience from initial dispatch through final resolution. Thomas's operational oversight is central to Denair's ability to meet its 4-hour emergency response commitment—a critical advantage for Manhattan commercial properties, healthcare facilities, and retail environments where HVAC downtime directly impacts business operations and tenant comfort.
Application Engineer
Ramil designs and supports HVAC systems—including ABB VFD applications—tailored to each building's unique performance and energy efficiency requirements across New York City. He oversees equipment selection, ABB drive sizing, technical planning, and application support to ensure long-lasting reliability, measurable energy savings, and full compliance with NYC building codes and Local Law 97 sustainability mandates. Ramil's engineering expertise is particularly valuable for Manhattan's diverse building stock, from pre-war commercial lofts to modern high-rise office towers, where precise VFD integration is essential for achieving optimal motor control and reducing peak demand.
Lead Estimator
Farrukh has been a cornerstone of the Denair HVAC team since 2010, bringing extensive experience in bid proposal preparation for complex commercial HVAC projects including ABB VFD upgrades and energy management systems throughout NYC. He is responsible for preparing comprehensive, accurate proposals in a timely manner—tracking opportunities with vendors, subcontractors, and clients to ensure every bid reflects genuine value engineering. Farrukh's meticulous approach to scope breakdowns and alternates has helped Manhattan property managers and general contractors save significantly on HVAC budgets, contributing to Denair's track record of over $76M in project bids.
ABB VFD stands for ABB Variable Frequency Drive. ABB is a leading global manufacturer of industrial drives and automation equipment. A Variable Frequency Drive is an electronic device that controls the speed and torque of AC motors by varying the frequency and voltage supplied to the motor—making it a core component in modern, energy-efficient HVAC systems.
Speak with a Denair HVAC specialist for a free consultation and VFD assessment tailored to your building.
Denair HVAC provides ABB VFD HVAC services across Manhattan and the entire New York Metro Area, including all five boroughs and surrounding counties.
11+ Regions
Service Area
Within 4 Hours
Emergency Response
400+ Projects
Projects Completed
Contact us to confirm coverage and schedule your free ABB VFD site assessment today.
Recognized as one of America's fastest-growing companies.
All technicians hold OSHA 40-hour safety certification.
Licensed and registered HVAC/Mechanical Contractor in New York State.
Fill out the form below and a Denair HVAC specialist will contact you to schedule a no-obligation site assessment, discuss your ABB VFD needs, and provide a fixed-price proposal with value-engineered options.
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