Opens in a new tab
Commercial HVAC Services in Brooklyn | Denair HVAC
Commercial HVAC Services · Brooklyn

Commercial HVAC built
for Brooklyn's
industrial & warehouse
floor — not just offices

From make-up air units and exhaust systems in manufacturing plants to rooftop packaged units on distribution warehouses, Denair keeps Brooklyn's industrial facilities running at the temperature and airflow production demands.

500+ NYC buildings served
×
4.9★ Google rating
×
19+ Years in business
≤4-hour Brooklyn response
Industrial & warehouse experience
Factory-certified technicians
LL97 compliance built in
HVAC technician servicing rooftop condensing units on an industrial warehouse building in Brooklyn with the Manhattan skyline in the distance
Trusted By
New York City's Top Businesses
& Property Owners
Fujitsu Icon 27 Fujitsu Icon 27
Fujitsu Icon 26 Fujitsu Icon 26
Fujitsu Icon 25 Fujitsu Icon 25
Fujitsu Icon 24 Fujitsu Icon 24
Fujitsu Icon 23 Fujitsu Icon 23
Fujitsu Icon 22 Fujitsu Icon 22
Fujitsu Icon 21 Fujitsu Icon 21
Fujitsu Icon 20 Fujitsu Icon 20
Fujitsu Icon 19 Fujitsu Icon 19
Fujitsu Icon 27
Fujitsu Icon 26
Fujitsu Icon 25
Fujitsu Icon 24
Fujitsu Icon 23
Fujitsu Icon 22
Fujitsu Icon 21
Fujitsu Icon 20
Fujitsu Icon 19
What We Do

Our Commercial HVAC Services in Brooklyn

Full-scope HVAC support built for Brooklyn's industrial and manufacturing base — warehouses, distribution centers, food production, and light-industrial buildings that can't tolerate downtime or process-temperature drift.

🏭

Warehouse & Industrial HVAC

Large-footprint rooftop units, unit heaters, and destratification systems sized for high-ceiling warehouse and distribution space — engineered around loading dock traffic and constant door-open cycling.

🌬️

Make-Up Air & Process Ventilation

Manufacturing and food-production floors depend on balanced make-up air. We size, install, and maintain MAU systems that keep pressure and airflow correct as your process equipment changes.

🔧

Emergency Repair for Production Floors

A down unit on a working production floor is a shutdown risk. Denair technicians reach Brooklyn industrial sites typically within 4 hours, stocked for common RTU, MAU, and unit heater failures.

📅

Scheduled Maintenance Contracts

Annual maintenance plans scoped around your equipment count and operating hours, not a generic office-building template — built for facilities that run multiple shifts.

⚡

Controls & Energy Upgrades

Smart controls and VFD retrofits reduce energy costs on large industrial air handlers and RTUs — meaningful savings when equipment runs near-continuously.

🌿

LL97 Compliance for Industrial Buildings

Industrial and warehouse buildings over 25,000 sq ft face the same LL97 thresholds as office towers. We assess your equipment's carbon exposure and prioritize the upgrades with the fastest payback.

LL97 Note: Brooklyn's industrial and warehouse buildings over 25,000 sq ft face escalating carbon penalties starting 2024 — and older RTUs and make-up air units are frequently the largest single contributor. Ask us about your building's exposure and the fastest-payback fixes.

From production-floor issue to back online

One partner handles every step, built around your operating schedule.

01

Rapid site dispatch

You call, we respond. A certified technician reaches your Brooklyn warehouse or plant typically within 4 hours, stocked for common industrial HVAC failures.

02

Process-aware diagnosis

We assess how the failure affects your production or storage temperature requirements, not just the equipment — so the fix accounts for your operational reality.

03

Fixed-price proposal

You receive a clear, itemized quote before work begins — critical when downtime is measured in production output, not just discomfort.

04

Certified repair & restart

Factory-certified technicians execute the repair, then verify airflow and temperature performance across your floor before we leave the building.

The Denair Difference

Why Brooklyn Facility Managers Choose Denair

Factory-Certified Expertise

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

Same-Day Brooklyn Response

27 technicians in the field, on-site in Brooklyn 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 industrial HVAC systems 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 commercial HVAC service for Brooklyn industrial and warehouse buildings.

Does Denair service industrial and warehouse HVAC equipment, not just office buildings?
Yes. A significant share of our Brooklyn client base is warehouses, distribution centers, and light-manufacturing facilities. We work on large-tonnage rooftop units, unit heaters, destratification fans, and make-up air systems — equipment that behaves differently than a typical office RTU, especially with high-ceiling spaces and frequent loading-dock door cycling.
How fast can Denair respond to an HVAC failure on a Brooklyn production floor?
Denair provides 24/7 emergency response across Brooklyn with technicians typically on-site within 4 hours. Our field team is dispatched from our Brooklyn headquarters and stocked with parts common to industrial RTUs, make-up air units, and unit heaters — so most failures on a working production floor are resolved in a single visit.
How does LL97 apply to a Brooklyn warehouse or manufacturing building?
Local Law 97 sets carbon limits for NYC buildings over 25,000 sq ft — a threshold many Brooklyn warehouses and manufacturing facilities meet given their footprint. Older RTUs, make-up air units, and unit heaters running long hours are often the largest single source of a building's emissions. Denair includes an LL97 exposure assessment with major industrial HVAC service, and prioritizes upgrades with the fastest payback.
What does commercial HVAC service cost for a Brooklyn warehouse or industrial building?
Cost depends on your equipment count, tonnage, operating hours, and whether you need a maintenance contract, one-time repair, or full system replacement. Maintenance contracts for industrial facilities typically start higher than standard office contracts given unit size and shift-based operating hours, but every quote is fixed and itemized before work begins — no hourly surprises.
Can Denair handle multiple Brooklyn properties or buildings under one service agreement?
Yes — many of our industrial and logistics clients operate multiple Brooklyn locations, and we consolidate service under a single point of contact and unified contract pricing. This simplifies scheduling, budgeting, and reporting across your portfolio while keeping the same 4-hour response standard at every site.
Where We Work

Serving Brooklyn and the Greater NYC Metro

From industrial corridors along the Brooklyn waterfront to suburban commercial facilities across Nassau and Westchester, Denair HVAC's certified 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 Brooklyn
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 service the world's
leading commercial HVAC brands

Authorized and factory-trained on the commercial HVAC manufacturers Brooklyn buildings rely on most. This means access to proprietary diagnostic software, genuine parts, extended warranty programs, and the engineering support your building's HVAC systems deserve.

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

Get Your Brooklyn Commercial HVAC Assessment — No Obligation

Tell us about your building, warehouse, or production floor and its 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 industrial HVAC and Brooklyn buildings.

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