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AAON RTU Service in Long Island City | Denair HVAC
AAON RTU Service · Long Island City

AAON rooftop unit
service & repair
in Long Island City
built for LIC buildings

Factory-certified AAON service engineered for Long Island City's fast-growing mix of office towers, converted lofts, and mixed-use developments. Same-day response, OEM-grade repair, five boroughs.

500+ NYC buildings served
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4.9★ Google rating
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19+ Years in business
≤4-hour Long Island City response
NYC DOB filings managed
Factory-certified AAON technicians
LL97 compliance built in
Technician servicing an AAON rooftop HVAC unit on a Long Island City rooftop with the Manhattan skyline visible across the East River
Trusted By
New York City's Top Businesses
& Property Owners
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What We Do

Our AAON RTU Service Services in Long Island City

Comprehensive maintenance, repair, and replacement — keeping your AAON rooftop units running year-round across Long Island City's commercial and mixed-use buildings.

🔧

Emergency AAON RTU Repair

When your AAON unit goes down, every hour costs you. Our certified technicians reach Long Island City sites typically within 4 hours, stocked with genuine AAON parts to resolve most issues on the first visit.

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AAON Preventative Maintenance

Custom maintenance plans starting from $396/year, built around your AAON unit's specific control board, coil configuration, and LIC's seasonal load swings.

⚡

Factory Controls Integration

AAON's built-in BACnet-ready controls pair directly with 75F or Honeywell building automation, cutting energy costs and giving your LIC building real-time performance visibility.

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LL97 Compliance Optimization

NYC's Local Law 97 targets buildings over 25,000 sq ft — a growing share of Long Island City's redeveloped waterfront stock. We assess your AAON system's carbon exposure and implement fixes that reduce fines.

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AAON Replacement & Retrofits

When repair no longer makes economic sense, we handle full AAON RTU replacement — engineering-grade spec, DOB filings, crane logistics, and startup commissioning included.

📊

Air & Water Test and Balance

Certified TAB reports delivered post-service, confirming your AAON system meets design specifications and NYC code — documentation your LIC property manager needs on file.

LL97 Note: Long Island City buildings over 25,000 sq ft face escalating carbon penalties starting 2024. AAON tune-ups and controls upgrades are among the fastest paths to measurable emissions reductions — ask us about your building's exposure.

From breakdown to back online

One partner handles every step. Here's how we do it.

01

Same-day site assessment

You call, we respond. A certified AAON technician reaches your Long Island City location within 4 hours — equipped with diagnostic tools and common AAON parts to resolve most issues on the first visit.

02

Root cause diagnosis

We don't replace parts until we understand the failure. A full diagnostic — electrical, refrigerant, mechanical — identifies the real cause of your AAON unit's issue rather than masking symptoms that resurface later.

03

Fixed-price proposal

Before a wrench turns, you receive a clear, itemized quote with no hidden line items. What we quote is what you pay — we absorb any unintended costs.

04

Certified repair & commissioning

Factory-certified technicians execute the repair to AAON's OEM specifications, followed by a full startup and commissioning check verifying airflow, refrigerant charge, and performance before we leave the roof.

The Denair Difference

Why Long Island City Facility Managers Choose Denair

Factory-Certified Expertise

Factory-trained on AAON, Carrier, Trane, Daikin, Mitsubishi Electric, and LG VRF systems.

Same-Day Long Island City Response

27 technicians in the field, on-site in Long Island City within 4 hours, day or night.

Fixed, Transparent Pricing

You approve the cost before we start — no hourly surprises, no hidden charges.

NYC Code & LL97 Expertise

We understand how repairs intersect with Local Law 97 and DOB requirements.

Trusted Across New York City

Success Stories

See how NYC property owners and facility managers count on Denair HVAC.

Our Team

Meet the Denair NYC Team

Denair HVAC is built by people who've spent their careers keeping NYC buildings comfortable — from the engineers who size every system to the technicians who show up when it matters most.

Dennis Cherniy
Dennis
Founder & CEO
Dennis founded Denair HVAC Company in 2007. He has over 17 years of experience in the HVAC industry and holds significant expertise in every aspect of the business. Leading the company's strategic vision, he has raised the enterprise from zero to $2 million in revenue within 5 years.
Tanya Gurzhi
Tanya
Financial Manager
15+ years handling finance, budgeting, and forecasting. She handles all aspects of accounting, finance, budgeting, forecasting, and insurance for Denair — and we couldn't be luckier.
Natalja Sirokova
Natalja
Marketing Manager
Natalja serves as marketing manager at Denair HVAC Company. She oversees the building of relationships with prospective clients and developing the firm's brand, and is responsible for public relations and marketing strategy.
Farrukh Kasimov
Farrukh
Lead Estimator
Farrukh has been with Denair HVAC Company since 2010. He is an experienced estimator responsible for bid proposal preparation and tracking opportunities with vendors, subcontractors, and customers.
Anastasiya Chernaya
Anastasiya
VP Business Development
Anastasiya serves as sales manager, leading Denair's new business acquisitions by identifying market opportunities and developing strategic partnerships. She is in charge of development and implementation of sales and growth strategies.
Thomas Mishakin
Thomas
Service Manager
Thomas leads Denair HVAC's service operations, ensuring fast response times, efficient scheduling, and consistent service quality. He coordinates technicians and customer communication to keep systems running reliably.

Questions we hear every day

Straight answers about aaon rtu service in Long Island City — no marketing fluff.

How quickly can Denair respond to an emergency AAON RTU failure in Long Island City?
Denair provides 24/7 emergency response across Long Island City with technicians typically on-site within 4 hours of your call. Our fleet of 27 field technicians is dispatched from Brooklyn and reaches LIC's waterfront towers, industrial conversions, and mixed-use developments with common AAON parts already on the vehicle, enabling same-day repairs in the majority of cases.
Is Denair HVAC an authorized AAON service provider?
Yes. Denair holds factory certifications for AAON equipment, along with authorized service status for Carrier, Trane, Daikin, Mitsubishi Electric VRF/VRV, and LG VRF systems. This means repairs are performed to OEM specifications — protecting your manufacturer's warranty and ensuring the work meets AAON's engineering standards for your specific unit model.
How does AAON RTU service relate to NYC Local Law 97 compliance for Long Island City buildings?
LL97 sets carbon emissions limits for NYC buildings over 25,000 sq ft — and HVAC inefficiency is one of the largest contributors to a building's carbon footprint. A failing or degraded AAON unit draws more energy, producing more emissions and increasing your LL97 exposure. Regular service and tune-up — combined with controls upgrades — directly reduces your emissions profile. Denair includes an LL97 impact assessment with every major AAON service for qualifying Long Island City buildings.
What does an AAON preventative maintenance contract cost in Long Island City?
Denair's preventative maintenance contracts start from $396/year per unit, with pricing scaled to the number of units, tonnage, access requirements, and service frequency you need. Long Island City buildings with multiple rooftop units typically benefit from multi-unit contract pricing. All contracts include scheduled inspections, filter changes, refrigerant level checks, belt and bearing inspection, controls calibration, and a detailed post-visit service report.
Can Denair handle full AAON RTU replacement on a Long Island City building?
Yes — Denair provides complete turnkey AAON replacement, including engineering specification, equipment procurement, NYC DOB filing coordination, crane and rigging management for rooftop access, installation, startup commissioning, and certified TAB reporting. We've managed capital improvement projects from single-unit swaps to full mechanical floor overhauls across Long Island City's commercial and mixed-use buildings.
Where We Work

Serving Long Island City and the Greater NYC Metro

From Long Island City's waterfront towers to suburban commercial facilities across Nassau and Westchester, Denair HVAC's certified AAON technicians cover 11 regions with the same 24/7 availability. We've been working NYC and metro-area buildings for 19 years — and we understand the access, logistics, and code requirements that make every market different.

Queens Manhattan Brooklyn The Bronx Staten Island Nassau Westchester County Hudson Union Essex Bergen Counties
24/7 Response
≤4 hrs On-Site in Long Island City
11 Regions Covered
19 yrs NYC Experience
Certified & Recognized

Awards and Recognition

Inc. 5000

Inc. 5000 Award

Recognized as one of America's fastest-growing companies.

OSHA

OSHA 40-Hour Certified

Full team compliance with federal workplace safety standards.

Licensed Mechanical Contractor

Registered HVAC contractor fully licensed for NYC commercial work.

Manufacturer Partners

Factory-certified to repair the world's
leading rooftop unit brands

Authorized and factory-trained on the RTU manufacturers Long Island City buildings rely on most. This means access to proprietary diagnostic software, genuine parts, extended warranty programs, and the engineering support your rooftop unit deserves.

Carrier
Daikin
Hitachi
LG
Mitsubishi Electric
Samsung
Fujitsu
Let's Talk

Get Your Long Island City AAON RTU Assessment — No Obligation

Tell us about your building and equipment. A Denair specialist will respond within one business day with a clear assessment and fixed-price proposal. No pressure, no upsell — just straight answers from people who know AAON systems and Long Island City buildings.

(212) 365-5115
Available 24/7 for emergencies · Service department