24/7 Emergency HVAC— Fast Response · Nationwide Coverage
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    Com+ Mechanical
    Com+ Mechanical
    EST. New York · Commercial Mechanical

    Commercial HVACSolutionsNationwide

    New York-based commercial HVAC contractor serving property managers and building owners nationwide — RTU service, VRF installation, commercial boilers & 24/7 emergency response

    24/7
    Emergency Response
    Fast
    Site Response
    Licensed
    & Insured

    Commercial HVAC Services for Every Need

    Professional heating, cooling, and ventilation solutions for commercial properties

    Commercial AC & RTU Service — Com+ Mechanical
    COM+ Cooling

    Commercial AC & RTU Service

    Professional rooftop unit and commercial AC repair, installation, and maintenance for reliable tenant comfort

    Same Day ServiceAll RTU BrandsNo Overtime Fees
    Commercial Boiler & Heating Services — Com+ Mechanical
    COM+ Heating

    Commercial Boiler & Heating

    Expert commercial boiler repair, heating plant service, and system replacement for properties of all sizes

    Licensed EngineersSteam & Hydronic24/7 Emergency
    Commercial IAQ & Ventilation Services — Com+ Mechanical
    COM+ Ventilation

    Commercial IAQ & Ventilation

    ASHRAE-compliant ventilation design, ERV installation, and air filtration for healthier commercial spaces

    Code CompliantERV SystemsAir Quality Testing
    VRF & Building Automation — Com+ Mechanical
    COM+ Controls

    VRF & Building Automation

    VRF/VRV system design, BAS integration, and smart controls for energy-efficient commercial buildings

    VRF DesignBAS/DDC ControlsEnergy Optimization
    24/7 Commercial Emergency HVAC — Com+ Mechanical
    COM+ Emergency

    24/7 Commercial Emergency HVAC

    Round-the-clock emergency heating and cooling repairs for commercial properties — fast response

    24/7 AvailableFast ResponseNo Overtime Fees
    FreeEstimates
    UpfrontPricing
    24/7Emergency
    24/7No Overtime Fees
    Authorized Dealer & Service Partner

    Brands We Install & Service Nationwide

    Factory-trained technicians for all major HVAC, furnace, boiler, and heat pump manufacturers

    Carrier logo
    Trane logo
    Lennox logo
    Mitsubishi Electric logo
    Daikin logo
    Bryant logo
    Carrier logo
    Trane logo
    Lennox logo
    Mitsubishi Electric logo
    Daikin logo
    Bryant logo
    Carrier logo
    Trane logo
    Lennox logo
    Mitsubishi Electric logo
    Daikin logo
    Bryant logo
    Rheem logo
    Fujitsu logo
    Goodman logo
    Bosch logo
    American Standard logo
    York logo
    Rheem logo
    Fujitsu logo
    Goodman logo
    Bosch logo
    American Standard logo
    York logo
    Rheem logo
    Fujitsu logo
    Goodman logo
    Bosch logo
    American Standard logo
    York logo

    Full-Service Commercial HVAC Nationwide

    From emergency RTU repair to full system design and installation, we deliver comprehensive heating, cooling, and ventilation solutions for commercial properties nationwide.

    Rooftop Unit (RTU) Service

    Commercial rooftop units take a beating from harsh weather nationwide. UV degradation, extreme temperature cycling, and exposure to environmental elements reduce efficiency and shorten equipment life. Our technicians service all major RTU brands — Carrier, Trane, Lennox, York — with same-day diagnostics and no overtime charges.

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    VRF/VRV System Design & Installation

    Variable Refrigerant Flow systems deliver precise zone control for multi-tenant offices, retail spaces, and mixed-use buildings. We design and install Daikin, Mitsubishi, and Carrier VRF systems with simultaneous heating and cooling capability — ideal for buildings with diverse occupancy and load profiles nationwide.

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    Commercial Boiler & Heating Plant Service

    Commercial buildings across the country — from historic multi-tenant structures to modern facilities — include a wide variety of steam and hydronic heating systems that require specialized expertise. We service, repair, and replace all boiler types — cast iron, condensing, and steam — from Weil-McLain, Burnham, Fulton, and Cleaver-Brooks. From circulator failures to full plant replacements.

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    Commercial IAQ & Ventilation

    Indoor air quality compliance is critical for offices, restaurants, and healthcare facilities. We design and install commercial ventilation systems, energy recovery ventilators (ERVs), and air filtration solutions that meet ASHRAE 62.1 standards and local building codes. Serving properties nationwide.

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    Building Automation & Controls

    Integrate your HVAC systems with modern building automation for centralized monitoring, scheduling, and energy optimization. We install and program BAS/DDC controls from Honeywell, Siemens, and Johnson Controls — helping property managers reduce energy costs by 15-30% while maintaining tenant comfort.

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    Sheet Metal & Custom Ductwork

    Custom ductwork fabrication and installation for new construction, tenant fit-outs, and system retrofits. Our sheet metal team handles everything from kitchen exhaust hoods to full commercial duct systems — engineered for proper airflow, code compliance, and long-term durability.

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    Preventive Maintenance Contracts

    Planned maintenance agreements protect your investment and prevent costly emergency breakdowns. Our commercial PM programs include quarterly inspections, priority service, discounted repairs, and detailed equipment reports — keeping your building systems running efficiently year-round.

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    24/7 Commercial Emergency HVAC

    Tenant complaints at 2 AM? RTU failure during a July heatwave? We respond to commercial emergency calls 24/7 nationwide — with fast response times and no overtime fees. Same rate day or night, because your tenants' comfort and your business operations shouldn't wait.

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    Why property managers choose us

    The Commercial HVAC team businesses trust

    NATE-certified technicians. No overtime fees — ever. Fully licensed and insured. We show up when it matters.

    24/7

    Always Available

    NATE-Certified Techs

    EPA-certified professionals with advanced HVAC training on every call.

    24/7

    Always on

    90-Min Response

    Round-the-clock emergency service — average response under 90 minutes.

    $0

    Surprise charges

    No Fees

    Upfront pricing on every repair and install. The quote is the price.

    Fast

    Same-Day Service

    Same-Day Repairs

    Most AC and furnace repairs completed the same day you call.

    100%

    Guaranteed

    Satisfaction Guaranteed

    Full warranties on all work — parts, labor, and installation.

    Licensed

    & Insured

    Licensed & Insured

    Fully licensed, bonded, and insured for every job nationwide.

    Schedule Service(332) 600-4640
    Com+ Mechanical technician servicing a commercial rooftop unit
    PREVENTIVE MAINTENANCE

    Your Building Deserves
    Year-Round Protection

    Commercial PM Contracts

    Planned Maintenance

    Custom maintenance agreements for commercial properties — quarterly inspections, priority service, and predictable HVAC costs.

    Quarterly Inspections
    Priority Dispatch
    15% Off Repairs
    Equipment Reports

    Quarterly Inspections

    Scheduled seasonal inspections for all HVAC equipment — catch issues before they become emergencies.

    Priority Emergency Response

    PM contract clients get top-priority dispatch for emergency calls — 60-minute response guarantee.

    15% Off All Repairs

    Contract clients save on every service call — parts, labor, and equipment replacements.

    Extended Equipment Life

    Proactive maintenance extends commercial HVAC equipment life by 5-10 years on average.

    Licensed & Insured|Custom contract terms|All building types
    2026 Incentives Available

    Save More with HVAC Rebates & Financing

    Between federal tax credits, state incentives, and local utility rebates, 2026 is the most affordable time to upgrade your heating and cooling system.

    See All Rebate Details
    Synchrony Financing

    Monthly Financing Options

    Flexible plans with 0% APR options, quick approval, and no prepayment penalties.

    As low as

    $89/mo

    Quick approval

    Available

    0%APR

    No interest plans

    *Subject to credit approval. Financing provided by Synchrony Bank.

    Commercial HVAC expertise

    Why commercial buildings need specialized HVAC

    Commercial buildings across the country face unique challenges. Extreme climates, diverse building stock, and rising energy costs create demands that only specialized commercial HVAC expertise can solve.

    01

    Extreme Climate Ranges

    90°F+ summers. Sub-zero winters.

    Extreme seasonal swings nationwide demand commercial systems rated for both high cooling loads and reliable heating. Undersized or aging equipment fails at the extremes — costing you tenants and revenue.

    02

    Harsh Weather & Environment

    Buildings nationwide face UV, humidity, and weather extremes that degrade HVAC equipment faster without proper maintenance.

    UV degradation, humidity, freeze-thaw cycles, and regional weather patterns all take a toll on commercial HVAC equipment. Regular inspection and maintenance prevents premature failure and extends equipment life nationwide.

    03

    Diverse Building Stock

    Historic structures. Modern offices. Retail & industrial.

    Commercial properties nationwide range from historic multi-tenant buildings to modern Class A offices — each requiring tailored HVAC solutions, from VRF retrofits to full RTU replacements.

    04

    40–60% Higher Energy Costs

    High energy costs affect commercial buildings nationwide

    Upgrading to high-efficiency commercial systems and BAS integration can cut HVAC operating costs by 15-30%. We calculate real payback periods so the upgrade makes financial sense for your property.

    Commercial HVAC Questions

    Answers to common questions about commercial HVAC service, maintenance contracts, and equipment for property managers and building owners

    Still have questions? We're here to help!

    Call (332) 600-4640
    Service Areas

    Commercial HVAC Nationwide

    Based in New York, serving commercial properties nationwide with fast response times

    Serving commercial properties in all 50 states — contact us for your location. The cities below are example service areas.

    Don't see your area? Contact us — we likely serve your location too.

    Your Commercial HVAC Partner Nationwide

    Based in New York, proudly serving commercial properties nationwide with fast response times.

    Com+ Mechanical

    264 W 40th St Suite 503B, New York, NY 10018

    Com+ Mechanical

    Commercial HVAC Contractor

    264 W 40th St Suite 503B, New York, NY 10018

    Business Hours

    Monday - Sunday24/7
    Emergency Service24/7

    Trusted Nationwide

    Free
    Estimates
    Licensed
    & Insured
    50
    States Served
    Clip & Save

    Savings You Can
    Count On

    Limited-time offers with real savings — grab yours before they expire.

    ALL OFFERS
    NEW COMMERCIAL ACCOUNTS
    $500 OFF

    First Commercial Service Contract

    New commercial accounts — credited toward first PM agreement

    Expires June 30, 2026
    More Info
    LIMITED TIME
    FREE

    Commercial Site Assessment

    Full mechanical audit for buildings 5,000+ sq ft — $350 value

    Expires June 30, 2026
    More Info
    RTU / CHILLER SPECIAL
    $2,000 OFF

    Full RTU or Chiller Replacement

    Includes 5-year labor warranty on all equipment installations

    Expires July 31, 2026
    More Info
    AC Not Working?90-min response • No overtime fees
    (332) 600-4640Call