5.0(65+ reviews)
    24/7 emergency commercial response

    Commercial HVAC Services in The Bronx

    Com+ Mechanical keeps the Bronx's working buildings running — Hunts Point food-distribution warehouses, the Grand Concourse's prewar apartment houses, Fordham Road and Hub retail, and the institutional campuses along the medical and university corridors. From rooftop units and refrigeration racks to steam boilers and chiller plants, we install, repair, and maintain the commercial systems borough property managers, building owners, and facilities teams depend on. One vendor across your whole Bronx portfolio, with 24/7 emergency dispatch.

    Common Commercial HVAC Challenges in Bronx Buildings

    Refrigeration and walk-in cooler failures at food-distribution and food-service facilities

    Around Hunts Point and the borough's supermarkets and restaurants, a refrigeration rack, condenser, or walk-in cooler going down means product loss within hours. Aging compressors, dirty condenser coils, low charge, and failed defrost controls are the usual culprits, and they need rapid diagnosis and parts to protect inventory.

    Aging steam and hot-water boiler plants in prewar Concourse-era apartment houses

    Much of the Bronx's multifamily stock along the Grand Concourse and surrounding neighborhoods is heated by decades-old boiler plants. Failing burners, leaking sections, flooded or short-cycling boilers, bad low-water cutoffs, and uneven steam distribution drive heat complaints and HPD exposure during heating season, when no-heat calls can't wait.

    Rooftop units on retail and mixed-use buildings past their service life

    On Fordham Road, the Hub, and neighborhood retail corridors, storefront RTUs run long hours through heavy use. Repeated compressor failures, rusted-through cabinets and curbs, failed economizers, and units that can no longer hold setpoint are signs a changeout — not another repair — is the sounder investment, especially on older R-22 equipment.

    Rooftop, alley, and rigging access constraints on tight Bronx lots

    Dense blocks, narrow alleys, parapets, and limited street frontage make equipment changeouts and crane sets harder to stage than they look. A unit swap or boiler replacement has to be planned around rigging paths, freight access, parking, and occupied-building schedules so the work lands without disrupting tenants below.

    Institutional chilled-water plants and air handlers where downtime isn't an option

    At the borough's hospital corridor, university campuses, and public buildings, chillers, cooling towers, and air-handling units carry critical loads. Fouled tubes, failing compressors and VFDs, tower water-treatment problems, and drifting controls reduce capacity and risk outages in spaces that have to stay conditioned year-round.

    Local Law 97 emissions exposure on larger Bronx properties

    Larger commercial and multifamily buildings face emissions limits under NYC Local Law 97, and aging, inefficient HVAC equipment is often the biggest contributor to a building's carbon profile. Owners need a path to higher-efficiency systems, electrification options, and documentation that supports compliance planning.

    One Commercial HVAC Partner for the Bronx's Industrial, Institutional, Retail, and Multifamily Stock

    The Bronx is one of the most operationally demanding building markets in the city, and almost none of it looks alike. Hunts Point alone runs around the clock as one of the largest food-distribution hubs in the country, where walk-in coolers, refrigeration racks, and warehouse makeup-air systems can't go down without spoiling product. Along Port Morris and Mott Haven, older industrial and light-manufacturing buildings — many now converting to commercial and mixed use — depend on aging rooftop units, exhaust systems, and process cooling. The Grand Concourse and the surrounding neighborhoods hold a dense stock of prewar Art Deco apartment houses and NYCHA campuses heated by steam and hot-water boiler plants that have run for decades. Retail corridors like Fordham Road, the Hub at 149th Street and Third Avenue, and Bay Plaza carry storefront RTUs, splits, and ground-floor systems that have to hold comfort through long hours and heavy foot traffic. And the borough's institutional anchors — the hospital corridor, university campuses, and public buildings — run chilled-water plants, air handlers, and building automation systems where uptime is non-negotiable. Com+ Mechanical serves all of it with one team and one point of contact. We handle packaged rooftop units, VRF/VRV, steam and hot-water boilers, air- and water-cooled chillers, cooling towers, commercial refrigeration, controls, and dedicated outdoor-air systems — the full range a Bronx portfolio actually contains. Our crews dispatch across the NYC metro daily and know the realities of working here: tight rooftop and alley access, freight and parking logistics, occupied buildings that can't be disrupted, and NYC DOB filing and compliance requirements including Local Law 97. Whether you manage a single Concourse apartment building, a Hunts Point cold-storage facility, or a multi-site retail footprint across the borough, you get responsive local service and single-vendor accountability for every system on the roof and in the basement.

    Commercial HVAC Services in The Bronx

    Rooftop unit (RTU) installation, replacement, and repair for retail, office, and mixed-use buildings — single gas-packs to multi-unit rooftop fleets
    Commercial chiller service, repair, and replacement — air-cooled and water-cooled plants for institutional and large-commercial buildings, plus cooling-tower maintenance
    Steam and hot-water boiler service, retrofits, and full plant replacements for Grand Concourse prewar apartment houses, NYCHA-style campuses, and institutional buildings
    VRF / VRV system design, installation, and repair for zoned offices, conversions, and newer Bronx construction
    Commercial refrigeration and walk-in cooler/freezer service for Hunts Point food distribution, supermarkets, and food-service tenants
    Building automation and controls (BAS/EMS) service, integration, and sensor/actuator troubleshooting
    Preventive maintenance agreements scoped to each building's equipment, with scheduled visits and priority response
    Indoor air quality, ventilation, makeup-air, and economizer service for warehouses, retail, and occupied multifamily common areas
    24/7 emergency commercial HVAC dispatch for no-heat, no-cooling, and refrigeration-down calls

    Why Bronx Property Managers and Building Owners Choose Com+

    Coverage of every system in a typical Bronx portfolio — RTUs, boilers, chillers, cooling towers, VRF, refrigeration, controls, and ventilation — under one vendor
    Local dispatch across the NYC metro with 24/7 emergency response for no-heat, no-cooling, and refrigeration-down calls
    Real experience with the borough's building types: industrial and cold-storage, prewar steam-heated multifamily, retail RTUs, and institutional chilled-water plants
    Single point of contact and consolidated service history across multi-building and multi-site portfolios
    Familiarity with NYC DOB filing, permitting, and compliance requirements, including Local Law 97 planning support
    Preventive maintenance agreements that reduce surprise failures and extend equipment life on critical systems

    Our Simple Process

    From call to comfort in 4 easy steps

    1

    Assessment and site survey

    We walk the building — roof, mechanical room, and equipment — to document what you have, its condition, and the access realities: rigging paths, freight, alley and parking constraints, and tenant schedules. For larger properties we factor in load and Local Law 97 considerations.

    2

    Scope and custom quote

    You get a clear, written scope and a custom quote for the service, repair, replacement, or maintenance agreement — including equipment, permitting, and access logistics where they apply. No generic flat rates; commercial work is priced to the building.

    3

    Scheduled execution with minimal disruption

    We coordinate the work around building management, occupancy, and street/permit logistics — staging crane sets, boiler swaps, and changeouts so tenants and operations below aren't disrupted. Critical refrigeration and heating work is sequenced to protect product and comfort.

    4

    Commissioning and ongoing support

    We start up, test, and commission the system, verify it's running to design and talking to your controls, and document the work. From there we're your single point of contact for service calls, emergencies, and scheduled maintenance across the portfolio.

    Types of Systems We Install

    Steam & Hot-Water Boiler Plants

    The heating backbone of the Bronx's prewar multifamily stock along the Grand Concourse and surrounding neighborhoods, plus institutional and older commercial buildings. We service, retrofit, and replace these plants and the burners, controls, and distribution that keep them safe and reliable through heating season.

    • Steam and hot-water boiler repair, retrofit, and replacement
    • Burner service, combustion tuning, and efficiency tune-ups
    • Low-water cutoff, control, and safety testing
    • Heating-season readiness and no-heat emergency response

    Commercial Refrigeration & Walk-In Systems

    Critical for Hunts Point food distribution, Bronx supermarkets, and food-service tenants, where a refrigeration failure means product loss. We service racks, condensers, walk-in coolers and freezers, and the defrost and controls that protect inventory.

    • Refrigeration rack and condenser service
    • Walk-in cooler and freezer repair
    • Defrost control and temperature troubleshooting
    • Rapid emergency response to protect product

    Rooftop Units (RTU) & Packaged Systems

    The workhorse of Bronx retail, office, and mixed-use buildings along Fordham Road, the Hub, and neighborhood corridors. We install, replace, and maintain single- and multi-zone packaged rooftop units, including crane-set changeouts engineered for tight, occupied sites.

    • RTU repair, replacement, and crane-set changeouts
    • Curb adapter fabrication for non-matching footprints
    • Economizer, compressor, and control service
    • Multi-unit rooftop fleet maintenance

    Why Com+ Mechanical in The Bronx

    Built for commercial buildings, not homes

    Com+ Mechanical is a commercial HVAC contractor. Our work is rooftop fleets, boiler plants, chillers, refrigeration racks, and building automation — the systems that keep Bronx warehouses, apartment houses, retail, and institutions running, serviced by crews who do this every day.

    Whole-portfolio, single-vendor support

    Instead of juggling a boiler company, a refrigeration company, and a rooftop company, you get one team accountable for every system across every building. That means one service history, one point of contact, and consistent standards borough-wide.

    Responsive where the Bronx needs it most

    Heat in an occupied apartment building and refrigeration at a food facility don't wait. We dispatch across the NYC metro with 24/7 emergency response and prioritize the calls where downtime has the highest cost.

    Fluent in NYC compliance and building realities

    We work within NYC DOB filing and permitting and help owners plan for Local Law 97 — while handling the on-the-ground realities of tight access, occupied buildings, and after-hours work that define commercial HVAC in the Bronx.

    Transparent Pricing

    No fees. No surprises. Just honest service.

    Service & Repair

    Custom Quote

    On-demand diagnosis and repair for rooftop units, boilers, chillers, refrigeration, VRF, controls, and ventilation across your Bronx building or portfolio.

    • Dispatched diagnosis and troubleshooting
    • Repairs across all major commercial systems
    • Refrigeration and walk-in cooler/freezer service
    • Parts sourcing and replacement
    • Written findings and scope for larger repairs
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    Preventive Maintenance Agreement

    Custom Quote

    Scheduled, equipment-specific maintenance that reduces surprise failures and extends the life of critical systems — scoped per building.

    • Scheduled multi-visit PM tailored to your equipment
    • Priority response and scheduling for agreement holders
    • Filter, coil, belt, burner, and control checks
    • Heating-season and cooling-season readiness inspections
    • Consolidated service history across multiple buildings
    • Documentation that supports compliance planning
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    24/7 Emergency

    Custom Quote

    Round-the-clock emergency dispatch for no-heat, no-cooling, and refrigeration-down situations where every hour counts.

    • 24/7 emergency commercial dispatch
    • Priority for no-heat and refrigeration-down calls
    • Rapid diagnosis to protect product and comfort
    • Temporary measures where full repair must be staged
    • Coordination with building management after hours
    Get Free Quote

    All commercial pricing is provided as a custom quote after a site assessment of your specific equipment, building, and access conditions.

    Own a Commercial Property?

    Business+ plans start at $499/year — includes 2 rtu tune-ups, 10% off all services, and priority scheduling.

    No ContractsSatisfaction Guarantee
    View Business+ Plans

    Equipment & Brands We Service

    Factory-trained technicians for all major HVAC manufacturers

    Trane logo
    TraneThe Apple of HVACFactory Authorized
    Carrier logo
    CarrierThe OG of Air ConditioningFactory Authorized
    Lennox logo
    LennoxPremium High-EfficiencyFactory Authorized
    American Standard logo
    American StandardTrane's Smarter TwinPreferred Partner
    Rheem logo
    RheemReliable & Drama-FreePreferred Partner
    Bryant logo
    BryantCarrier's Quieter SiblingCertified
    Goodman logo
    GoodmanHonest ValueCertified
    Ruud logo
    RuudRheem's Reliable TwinCertified
    Mitsubishi Electric logo
    Mitsubishi ElectricGold Standard for DuctlessFactory Authorized
    Daikin logo
    DaikinWorld's Largest HVAC ManufacturerFactory Authorized
    Bosch logo
    BoschGerman Engineering ExcellencePreferred Partner
    LG logo
    LGSurprisingly LegitPreferred Partner

    Don't see your brand? We service all major manufacturers! Call us to confirm.

    Proudly Serving Nassau County

    Fast, reliable service in your neighborhood

    Frequently Asked Questions

    Get answers to common questions about our services

    What parts of the Bronx do you serve?

    We provide commercial HVAC service across the Bronx — including Hunts Point, Mott Haven, Port Morris, Melrose, the Grand Concourse corridor, Fordham, Morrisania, the Hub at 149th Street, Bay Plaza/Co-op City, and surrounding neighborhoods. Com+ Mechanical dispatches across the NYC metro and all five boroughs daily from our Midtown Manhattan office.

    How fast can you respond to an emergency in the Bronx?

    We offer 24/7 emergency commercial dispatch and prioritize the highest-cost failures — no-heat in occupied buildings and refrigeration-down at food facilities. Because we run crews across the metro every day, we can respond quickly to Bronx calls.

    Can you handle multiple buildings or a portfolio across the Bronx?

    Yes. Single-vendor portfolio support is core to what we do. One team services every system across all your buildings, with one point of contact and consolidated service history — whether that's several Grand Concourse apartment houses, a mix of retail and office sites, or industrial and cold-storage facilities.

    Do you help with Local Law 97 compliance for Bronx buildings?

    We help owners and managers of larger Bronx properties plan HVAC upgrades that improve efficiency and reduce a building's carbon profile under Local Law 97, and we provide documentation that supports compliance planning. Com+ does not provide legal or accounting advice.

    What types of commercial buildings do you work on in the Bronx?

    Industrial and warehouse facilities (including Hunts Point food distribution and cold storage), prewar and modern multifamily apartment buildings, retail and mixed-use along corridors like Fordham Road and the Hub, restaurants and food service, and institutional buildings such as medical, educational, and public facilities. We service the rooftop units, boilers, chillers, refrigeration, VRF, and controls these buildings rely on.

    Do you service the equipment we already have, or only new installs?

    Both. We repair and maintain existing equipment across all major commercial brands and systems, and we handle replacements and new installations when a unit is past economical repair. Most Bronx engagements start as service or a maintenance agreement on equipment that's already in place.

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    Building Automation Systems

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    Need Commercial HVAC Service in the Bronx?

    Talk to a real commercial HVAC team — no call centers, no runaround. Whether it's a boiler down on the Concourse, refrigeration at Hunts Point, a rooftop unit on Fordham Road, or a portfolio that needs one accountable vendor, Com+ Mechanical is ready to help. Call (332) 600-4640 for 24/7 emergency dispatch or to schedule a site assessment.

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