DEZIER AIR

RESIDENTIAL & COMMERCIAL HVAC

(929)992-3022

NYC HVAC Company | Repairs, Installations & Maintenance | Dezier Air
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Service and consultations are billed.
We’ll confirm availability and next steps by text, email or phone call.

Expert HVAC Services
Across NYC

Service, maintenance, repairs, and installations across NYC — with documented work, clean execution, and clear communication.

7% OFFPartsup to $5,000 cap
3% OFFEquipmentup to $10,000 cap
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Members get consistent care cadence tailored to their system. Documented visits with priority scheduling, and dedicated support.

Repair, Installation, Maintenance

Dezier Air is a New York City HVAC company serving residential and commercial buildings across all five boroughs.

What we doHVAC repair, preventative maintenance, installations and replacements, emergency calls, and commercial HVAC service. We support mini-split and VRF systems, heat pumps, and high-rise building equipment.
How we workClear communication, clean execution, and documented service. We confirm access requirements, system details, and next steps, then dispatch with the right technician and parts plan whenever possible.
Helpful details to include in your service request
  • System type (central air, boiler/furnace, mini-split, VRF, heat pump) and unit location (roof, closet, mechanical room)
  • Access notes (doorman, keys, roof hatch, ladders, service elevator rules, parking/loading)
  • Thermostat error codes (if any) and photos of the unit label (model/serial)
  • Timing constraints (quiet hours, events, tenant scheduling windows)

Google Reviews

Trusted by NYC homeowners and commercial clients.

★★★★★
Read our latest reviews on Google
Verified feedback from residential and commercial clients across NYC.
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★★★★★
“Dezier Air quickly solved the issue with our furnace, and they almost immediately got it functioning again. They also examined the HVAC system more broadly, and provided excellent advice on our particular needs. They run an extremely professional, high-end operation.”
— Andrew G.
★★★★★
“From the moment they arrived, they were courteous, professional, and extremely knowledgeable.”
— Freddy L.
★★★★★
“We kicked off our HVAC remediation project in September and wrapped it successfully by late October 2025. Throughout the process, Dezier Air was flexible and highly collaborative, working around VIP buyouts, events, and limited time windows to ensure there was zero disruption to our member experience.”
— Matthew S.
Reviews displayed are excerpts from our Google Business Profile.

Licensed & Trusted

Ask about financing for qualifying installs and upgrades.
Subject to approval.

Financing Partners
GreenSky FinancingSynchrony Financing
Equipment & Technology Partners
Samsung HVACLG HVACMitsubishi Electric HVAC
Licensed & insured in NYC
High-rise & commercial experience
Documented service with photos & notes
Financing options available for qualifying installs and upgrades.
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High-rise HVAC expertise in NYC — clean execution, clear communication, and minimal disruption.

Licensed. Trusted. Preferred Dealer Status.

Dezier Air supports residential and commercial HVAC across NYC with documented service, clean execution, and system-specific expertise (mini-splits, VRF, heat pumps, ventilation, and high-rise constraints).

Dealer programs that support quality installs & smoother warranty support

Mitsubishi Diamond Contractor, LG Pro Dealer, and Samsung Preferred Dealer status typically require training and product familiarity— helpful for clients who want correct commissioning, reliable performance, and clear documentation.

Mitsubishi Electric Diamond Contractor logoLG Pro Dealer logoSamsung Preferred Dealer logo
  • Commercial: controls strategy, ventilation, and service access matter as much as equipment.
  • Residential: noise control, condensate routing, and clean line-set paths protect finishes long-term.
  • NYC reality: COI, doorman rules, work-hour windows, roof access, and approvals shape the plan.
Mini-Split / VRFHeat PumpsIndoor Air Quality
Dezier Air service vehicle vector illustration

What clients get from Dezier Air

Clean work areas, documented service notes, building-aware scheduling, and a plan that accounts for access constraints. We focus on predictable airflow, noise control, and serviceability.

Documented serviceNoise controlAirflow + balancingVentilation strategyHigh-rise readiness

How to choose the right HVAC system in NYC

System selection is building-specific. These are the questions that decide what’s feasible and what will perform well.

  • Where can outdoor equipment go (roof, terrace, rear yard, setback)?
  • Is the building occupied during work? Do you have work-hour restrictions?
  • Do you need a COI? Any service elevator or loading dock rules?
  • Is electrical capacity sufficient for heat pumps or VRF?
  • Do you need outside air / ventilation upgrades?

What to include in a service request (fastest dispatch)

Including these details helps route the right tech and parts plan.

  • System type + unit location (roof/closet/mechanical room)
  • Access notes (doorman, keys, roof hatch, COI, work hours)
  • Error codes (if any) + photos of the unit label (model/serial)
  • What changed: noise, weak airflow, leaks, smells, temperature swings
  • Timeline: urgent outage vs planned upgrade

Quick system type guide

Common system choices for NYC apartments, brownstones, offices, and commercial spaces:
Mini-SplitsBest when ducts are limited and zoning matters. Explore mini-split / VRF
VRF (Multi-Zone)Best for commercial and complex layouts with independent zones. Commercial HVAC
Heat PumpsAll-electric heat + cooling for modern upgrades. Heat pumps
Ventilation / IAQOutside air strategies for comfort + code. Indoor air quality
RepairsFast diagnosis and documented solutions. HVAC Repair
MaintenancePrevent breakdowns and stabilize performance. HVAC Maintenance
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Frequently Asked Questions

Common questions about HVAC service, coverage, and scheduling in NYC.

What areas of NYC do you service?
Dezier Air services Manhattan, Brooklyn, Queens, the Bronx, and Staten Island. We work in residential buildings, commercial spaces, and high-rise properties across New York City.
What HVAC systems do you work on?
We service central air systems, boilers and furnaces, mini-splits, VRF systems, heat pumps, ventilation equipment, and commercial HVAC setups.
Do you offer emergency HVAC service?
Emergency service is available depending on technician availability and site access. Submit a request with your address, system type, and issue details so we can route it properly.
How does pricing work for service calls?
Service and consultations are billed. We confirm scope, access, and next steps before dispatch so there are no surprises.
What is Atmosphere Membership?
Atmosphere Membership is a proactive care plan that includes priority scheduling, documented visits, and member savings on parts and equipment based on membership terms.
What should I include when requesting service?
Include your address, system type and location, access notes, thermostat error codes (if any), and photos of the unit label when possible.

HVAC Knowledge & Best Practices

Practical guidance from our team — real insights for NYC buildings and HVAC ownership.

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Services

Residential and commercial HVAC service across New York City.

HVAC ServicesHVAC Repair · HVAC Maintenance · HVAC Installation · Emergency Service
Commercial HVAC · Mini-Split / VRF · Heat Pumps · Indoor Air Quality
Service AreasAll Service Areas
Manhattan · Brooklyn · Queens · Bronx · Staten Island

Locations

501 W 187th StNew York, NY 10033
24-57 49th StAstoria, NY 11103