'%3e%3cpath%20d='M41.90,14.92%20L44.15,2.36%20L55.85,2.36%20L58.10,14.92%20A36%2036%200%200%201%2069.08,19.47%20L79.55,12.18%20L87.82,20.45%20L80.53,30.92%20A36%2036%200%200%201%2085.08,41.90%20L97.64,44.15%20L97.64,55.85%20L85.08,58.10%20A36%2036%200%200%201%2080.53,69.08%20L87.82,79.55%20L79.55,87.82%20L69.08,80.53%20A36%2036%200%200%201%2058.10,85.08%20L55.85,97.64%20L44.15,97.64%20L41.90,85.08%20A36%2036%200%200%201%2030.92,80.53%20L20.45,87.82%20L12.18,79.55%20L19.47,69.08%20A36%2036%200%200%201%2014.92,58.10%20L2.36,55.85%20L2.36,44.15%20L14.92,41.90%20A36%2036%200%200%201%2019.47,30.92%20L12.18,20.45%20L20.45,12.18%20L30.92,19.47%20A36%2036%200%200%201%2041.90,14.92%20Z'%20fill='url(%23cpGear)'%3e%3c/path%3e%3ccircle%20cx='50'%20cy='50'%20r='28'%20fill='none'%20stroke='%23012f00'%20stroke-width='3'%3e%3c/circle%3e%3cpath%20d='M43.50,37.50%20L45.50,35.50%20L54.50,35.50%20L56.50,37.50%20L56.50,43.50%20L62.50,43.50%20L64.50,45.50%20L64.50,54.50%20L62.50,56.50%20L56.50,56.50%20L56.50,62.50%20L54.50,64.50%20L45.50,64.50%20L43.50,62.50%20L43.50,56.50%20L37.50,56.50%20L35.50,54.50%20L35.50,45.50%20L37.50,43.50%20L43.50,43.50%20Z'%20fill='url(%23cpGold)'%20stroke='%23bf5d00'%20stroke-width='0.4'%20stroke-linejoin='miter'%3e%3c/path%3e%3c/g%3e%3c/svg%3e){kind=small}
Industrial & Warehouse HVAC Across the NYC Metro
Warehouses, distribution centers, and manufacturing plants run on heating, ventilation, and process equipment that has to perform across hundreds of thousands of square feet — through open dock doors, dust, and a 24/7 shift schedule. Com+ Mechanical installs, services, and maintains industrial HVAC for facilities across the five boroughs, Long Island, Westchester, northern New Jersey, and Stamford, CT, keeping product, equipment, and people protected year-round.
HVAC Challenges in Industrial Facilities & Warehouses
No heat in a cold snap — and a wet sprinkler system at risk of freezing
When unit heaters or the make-up air system fail in a January freeze, an uninsulated high-bay drops fast. The real exposure is not just comfort — it is a frozen wet-pipe sprinkler line that can burst and flood inventory, plus stored product or batteries that can't take the cold. Failures trace to ignition and gas-valve faults, failed flame sensors, cracked heat exchangers, or thermostats that never staged the heaters. We prioritize these as freeze-protection emergencies.
Building goes negative — dock doors and exhaust pull more air than make-up air replaces
Exhaust fans, welding extraction, and open dock doors pull enormous CFM out of a warehouse. If the make-up air unit is down, undersized, or never interlocked, the building goes negative: man-doors are hard to open, gas-fired heaters and water heaters backdraft, infiltration spikes the heating load, and cold outdoor air pours through every gap. We restore the supply-to-exhaust balance the building was designed around.
Stratification — hot air trapped at the deck while the floor stays cold
In a 28-to-40-foot high-bay, heated air rises and sits at the roof while workers on the floor are still cold and the thermostat keeps calling for heat. You pay to heat the deck. Without destratification (HVLS fans or air rotation) and properly aimed unit or infrared heaters, fuel spend climbs and the occupied zone never gets comfortable.
Dust, particulate, and debris choking coils, burners, and filters
Warehouse and manufacturing air is loaded with cardboard dust, pallet debris, and process particulate. It clogs heater burners and combustion air, blinds RTU and MAU filters, fouls condenser and evaporator coils, and overheats motors. Equipment short-cycles, loses capacity, and fails early when the maintenance interval doesn't match how dirty the environment actually is.
CO and combustible-gas buildup from forklifts and process equipment in under-ventilated bays
Propane and gas forklifts, welding, and process equipment put combustion byproducts and contaminants into the air. In a tightly sealed or poorly ventilated bay, CO can accumulate to dangerous levels. Properly sized exhaust and make-up ventilation, plus working CO and combustible-gas detection, are a worker-safety and code requirement — not an optional add-on.
Temperature-sensitive product or process zones that drift out of spec
Many warehouses hold a zone that has to stay within range — pharmaceuticals, food, electronics, batteries, or a climate-controlled storage area — inside an otherwise unconditioned envelope. When the dedicated cooling, dehumidification, or controls for that zone drift, product and compliance are on the line. These zones need monitoring, redundancy planning, and fast response that the bulk-storage areas don't.
HVAC Built for High-Bay, High-Volume Industrial Space
An industrial facility is not a big office — it is a high-bay envelope with leaky dock doors, internal heat loads from forklifts and machinery, dust and particulate in the air stream, and zones that range from a heated shipping office to an unconditioned bulk-storage bay to a temperature-sensitive product area. The HVAC that serves it is just as varied: gas-fired and separated-combustion unit heaters hung from the deck, infrared tube heaters over pick lines and loading docks, large make-up air units replacing the air your exhaust and dock doors pull out, ductless and evaporative spot cooling at packing stations, HVLS destratification fans, and rooftop packaged units over front offices and mezzanines. Com+ Mechanical works on all of it. We understand what is actually at stake in your building — a no-heat call that threatens a wet sprinkler system in a January cold snap, a make-up air failure that puts the whole space under negative pressure, or CO buildup from propane forklifts in an under-ventilated bay. We service single buildings and multi-site distribution portfolios across the NYC metro, with documented findings, planned maintenance that prevents the next shutdown, and 24/7 emergency response when a shift is on the line.
HVAC Services We Provide for Industrial Facilities & Warehouses
Why Facility & Operations Teams Choose Com+
Our Simple Process
From call to comfort in 4 easy steps
Facility assessment & equipment inventory
We walk the building with your team and inventory every heating, ventilation, cooling, and process unit — make, tonnage or BTU, age, condition, and zone. We note dock-door and exhaust loads, dust exposure, stratification, and any temperature-sensitive zones, then flag the equipment most likely to fail and the safety items that need attention.
Scope & plan
You get a documented plan: prioritized repairs, a maintenance scope matched to your shift schedule and environment, freeze-protection and ventilation/CO recommendations, and a capital-replacement outlook for aging equipment so nothing is a surprise at budget time.
Service & repair
We execute scheduled maintenance and repairs around your operation — including off-shift and weekend work to avoid disrupting shipping — and respond 24/7 to emergencies. Every visit is performed to code with combustion and safety verification on gas-fired equipment.
Reporting & review
After each visit you receive documented findings, readings, and recommendations. We review equipment performance and upcoming capital needs with your facility or operations lead on a schedule that fits your portfolio and reporting cycle.
Types of Systems We Install
Gas-Fired & Separated-Combustion Unit Heaters
Deck-hung gas unit heaters are the workhorse of warehouse heating, with separated-combustion models used where the bay air is dusty or contaminated and needs sealed combustion air.
- •Ignition, gas-valve, and flame-sensor diagnostics
- •Heat-exchanger safety inspection
- •Combustion air and venting verification for dusty environments
Infrared Tube Heaters & Make-Up Air Units
Infrared tube heaters warm people and surfaces directly over docks and pick lines, while make-up air units replace the air exhaust fans and open dock doors pull out of the building.
- •Infrared burner and tube/reflector service
- •Direct- and indirect-fired MAU diagnostics
- •Supply-to-exhaust balancing to correct negative pressure
Spot Cooling, RTUs & Destratification
Ductless splits, packaged units, and evaporative cooling condition packing stations, QC areas, and offices, while HVLS fans and air rotation manage stratification across the high bay.
- •Ductless and packaged spot-cooling service
- •Rooftop unit service for offices and mezzanines
- •HVLS fan and air-rotation destratification
The Com+ Mechanical Difference
Commercial and industrial focus
We work on high-bay heating, make-up air, and process ventilation across the NYC metro every day — the equipment that actually serves warehouses and plants, not residential systems scaled up.
Built for uptime
We schedule around your shifts, respond 24/7 to no-heat and negative-pressure emergencies, and design maintenance to prevent the failures that stop a distribution operation.
Whole-portfolio coverage
One distribution center or a regional network of warehouses — you get one vendor, consistent documentation, and coordinated scheduling across buildings, boroughs, and states.
Safety and compliance built in
Combustion verification on gas-fired equipment, ventilation and CO detection that meets code, and Local Law 97 guidance for large-footprint buildings carrying real emissions exposure.
Transparent Pricing
No fees. No surprises. Just honest service.
Preventive Maintenance Agreement
Planned, scheduled maintenance across your heating, ventilation, and cooling equipment to maximize uptime and prevent emergency failures.
- Scheduled service for unit heaters, MAUs, RTUs, exhaust, and spot cooling
- Inspection intervals matched to dust loading and shift schedule
- Combustion and safety verification on gas-fired equipment
- Priority emergency response and portfolio-wide documented reporting
Repairs & Retrofits / Capital Projects
Diagnostic and repair work, equipment replacement, and engineered retrofits — from a single unit heater to a full ventilation or destratification upgrade.
- Root-cause diagnostics with documented findings and photos
- Unit heater, infrared, MAU, and RTU repair or replacement
- Ventilation, CO detection, and destratification retrofits
- Repair-vs-replace and capital-planning guidance for your budget cycle
24/7 Emergency Service
Around-the-clock response for no-heat, freeze-protection, negative-pressure, and process-zone emergencies that put product or a shift at risk.
- 24/7 dispatch across the NYC metro
- Freeze-protection priority in cold-weather events
- Coverage for single sites and multi-site portfolios
- Guaranteed response window
Pricing shown is an engagement structure, not a quote. Final pricing for maintenance agreements, repairs, and capital projects is confirmed in writing after a facility assessment of your equipment, square footage, and uptime requirements.
Own a Commercial Property?
Business+ plans start at $499/year — includes 2 rtu tune-ups, 10% off all services, and priority scheduling.
Equipment & Brands We Service
Factory-trained technicians for all major HVAC manufacturers
%20--%3e%3csvg%20version='1.1'%20id='Layer_1'%20xmlns='http://www.w3.org/2000/svg'%20xmlns:xlink='http://www.w3.org/1999/xlink'%20x='0px'%20y='0px'%20viewBox='0%200%20150%2050'%20style='enable-background:new%200%200%20150%2050;'%20xml:space='preserve'%3e%3cg%3e%3cpath%20style='fill:%23C9202F;'%20d='M124.447,44.322c-23.807,5.229-55.19-0.102-55.19-0.102s73.175,3.979,71.344-20.254%20C138.687-1.368,35.312,8.163,35.312,8.163c60.192-10.521,91.646-0.564,93.939-0.144c11.942,3.18,19.694,9.036,20.404,15.459%20C151.563,35.271,135.269,41.943,124.447,44.322z'/%3e%3cpath%20style='fill:%23C9202F;'%20d='M83.171,38.6c-2.416,0-4.058-0.553-4.927-1.656s-1.022-2.773-0.301-5.027l4.168-12.728%20c0.861-2.684,1.97-4.478,3.324-5.382c1.353-0.904,3.469-1.357,6.35-1.357h2.956c2.877,0,4.145,0.301,5.231,1.535%20c0.934,1.06,0.972,2.521,0.108,5.205l-4.149,12.718c-0.723,2.254-1.507,4.117-3.085,5.223S88.903,38.6,86.488,38.6L83.171,38.6z%20M96.602,18.799c0.302-1.029,0.558-1.979,0.113-2.657c-0.327-0.502-0.804-0.66-1.711-0.731c-0.829-0.117-2.286-0.062-2.286-0.062%20c-1.258,0.037-2.021,0.267-2.65,0.772c-0.629,0.506-0.955,1.038-1.479,2.669L84.19,32.285c-0.406,1.26-0.455,2.143-0.151,2.65%20c0.302,0.506,1.244,0.822,2.747,0.822c1.418-0.004,2.752-0.059,3.935-0.955c0.682-0.43,1.019-1.258,1.459-2.508L96.602,18.799z'/%3e%3cpath%20style='fill:%23C9202F;'%20d='M14.834,38.18c0,0-14.646,0.014-14.643,0.002l8.314-25.357h6.201c0,0-7.508,22.517-7.448,22.517%20h8.521L14.834,38.18z'/%3e%3cpath%20style='fill:%23C9202F;'%20d='M39.008,15.701c-0.006,0,0.945-2.86,0.945-2.86H25.417c-0.002,0-0.005,0-0.005,0l-8.31,25.339H31.61%20l0.951-2.838c0,0-7.745,0-8.385,0c-0.027,0,1.516-4.672,3.201-9.758c3.337,0,7.298,0,7.294,0c-0.008,0,0.938-2.859,0.938-2.859%20s-3.821,0-7.282-0.001c0.876-2.64,1.72-5.18,2.333-7.023C34.597,15.701,39.013,15.701,39.008,15.701z'/%3e%3cpath%20style='fill:%23C9202F;'%20d='M77.25,12.821l-5.508,16.97l-2.311-16.967l-6.073,0.003l-8.253,25.356h6.074l5.537-16.979%20c0,0,2.265,16.725,2.305,16.971l-0.002,0.006l3.525,0.002l8.242-25.363L77.25,12.821L77.25,12.821z'/%3e%3cpath%20style='fill:%23C9202F;'%20d='M121.157,12.821h-4.427l-5.274,6.652l-1.309-6.652l-6.496,0.007l2.393,11.52l-10.54,13.836h4.357%20l7.112-9.356l1.94,9.352l6.226,0.002l-2.777-14.11L121.157,12.821z'/%3e%3cpath%20style='fill:%23C9202F;'%20d='M56.332,12.822l-5.511,16.971l-2.308-16.965l-6.075,0.003l-8.252,25.357h6.074l5.535-16.981%20c0,0,2.268,16.739,2.305,16.97l-0.002,0.012h3.527l8.241-25.365h-3.534L56.332,12.822z'/%3e%3cpath%20style='fill:%23C9202F;'%20d='M138.687,44.271c0,1.305-1.07,2.375-2.376,2.375c-1.305,0-2.373-1.07-2.373-2.375%20s1.068-2.373,2.373-2.373S138.687,42.967,138.687,44.271z%20M134.331,44.271c0,1.076,0.903,1.975,1.979,1.982%20c1.075-0.008,1.981-0.906,1.981-1.982c0-1.074-0.906-1.98-1.981-1.98C135.234,42.291,134.331,43.197,134.331,44.271z%20M135.688,42.98h1.022c0.559,0,0.768,0.295,0.768,0.57c0,0.533-0.334,0.695-0.616,0.834l0.42,1.08l-0.681,0.092l-0.317-1.041%20h-0.288l-0.211,1.004h-0.621L135.688,42.98z%20M136.095,44.135h0.223c0.321,0,0.524-0.189,0.524-0.48%20c0-0.156-0.124-0.295-0.327-0.295h-0.262L136.095,44.135z'/%3e%3c/g%3e%3c/svg%3e)
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
Do you offer 24/7 emergency HVAC service for warehouses and distribution centers?
Yes. A no-heat event in winter can threaten a wet sprinkler system and stored product, and a make-up air failure can put a whole building under negative pressure — neither can wait for business hours. We provide 24/7 emergency response across the five boroughs, Long Island, Westchester, northern New Jersey, and Stamford, CT, and we prioritize freeze-protection calls in cold-weather events.
Can you maintain HVAC across multiple warehouse and industrial sites?
Yes. We support facility and operations teams with multi-site distribution and industrial portfolios — one vendor, consistent documentation, and coordinated scheduling across buildings, boroughs, and states. You get a single point of contact and standardized reporting across every location.
What kind of heating equipment do you service in high-bay warehouse space?
We install and service the equipment industrial buildings actually run: gas-fired and separated-combustion unit heaters hung from the deck, infrared tube heaters over dock and pick areas, large make-up air units, and rooftop packaged units over offices and mezzanines — from manufacturers including Modine, Reznor, Cambridge, Greenheck, Carrier, and Trane. We also address stratification with HVLS fans and air rotation so you stop paying to heat the deck.
How do you handle ventilation and CO safety for forklift and process areas?
Propane and gas forklifts, welding, and process equipment put CO and contaminants into the air, and an under-ventilated bay can let it accumulate to dangerous levels. We size exhaust and make-up air ventilation to the load, verify the make-up air keeps the building out of negative pressure, and service CO and combustible-gas detection so the space meets code and protects your workers.
Can you help with Local Law 97 and energy efficiency on a large warehouse footprint?
Large-footprint industrial buildings can carry meaningful emissions exposure under NYC Local Law 97. Well-maintained, correctly staged equipment burns less fuel, and measures like destratification, high-efficiency heating, and make-up air recovery cut energy spend. For aging equipment, we show how replacement options affect efficiency and your Local Law 97 position.
Can you work around our shift schedule so service doesn't disrupt shipping?
Yes. We schedule planned maintenance and most repairs around your operation — including off-shift, overnight, and weekend work — so we're not pulling equipment offline during peak shipping. Emergency response is available 24/7 regardless of schedule.
Love Our Service? Share Your Experience!
Manage a building we've serviced? A quick review helps other NYC property managers and building owners find us.
5 stars • 500+ reviews
Most Requested Services
Our businesses' top picks for heating, cooling & air quality
Explore Commercial HVAC Resources
Equipment services, industry expertise, NYC compliance, and the metro areas we cover.
Equipment, Repair & Maintenance
Industries We Serve
NYC Compliance & Energy Law
Service Areas
Protect Your Product, Your Equipment, and Your Shift.
Tell us about your facility — the equipment, the square footage, and your uptime requirements — and we'll assess it and build a plan that keeps the heat on, the air balanced, and the building running. Serving warehouses, distribution centers, and industrial facilities across the NYC metro, 24/7.
Request a Facility Assessment