Electrify your heating and cooling with air-source, water-source, and VRF heat pump systems engineered for the five boroughs, Long Island, Westchester, and northern NJ. Com+ Mechanical designs and installs all-electric plants that cut on-site emissions, position your portfolio for Local Law 97, and deliver simultaneous heating and cooling without a boiler.
Replacing a gas plant with electric heat pumps adds significant connected load. We verify available panel and switchgear capacity, calculate minimum circuit ampacity, and flag any Con Edison or PSEG service upgrade before equipment is ordered — so the project doesn't stall at energization.
Standard air-source units derate sharply below freezing. We specify cold-climate (CCHP) equipment rated to hold heating capacity into single-digit temperatures and, where the load demands it, design supplemental or backup heat so tenants stay comfortable during a Northeast cold snap.
Outdoor condensers, dunnage, and VRF branch controllers need real estate and structural support. We assess roof load capacity, plan equipment layout for service clearance and airflow, and use water-source or compact VRF configurations when footprint is tight.
Tall and deep buildings can push piping past the manufacturer's allowable length and vertical lift. We design the refrigerant network — line sizing, traps, branch joints — within spec so the system charges correctly and protects compressor oil return.
In heating mode the outdoor unit produces condensate that can ice over and block drainage. We engineer freeze protection, pan heaters where required, and properly pitched, protected drain routing to avoid overflow and shutdowns.
An electrified plant that isn't integrated forfeits its efficiency. We tie the heat pumps into your BAS/BMS for scheduling, setpoint control, defrost coordination, and zone monitoring so the system runs optimized — not just installed.
A commercial heat pump installation replaces fossil-fuel heating with electric-driven refrigeration that moves heat instead of burning it — delivering 250-350% effective efficiency (COP) where a gas boiler tops out near 95% AFUE. For NYC building owners, that shift is no longer just an energy-cost decision: it directly lowers the on-site greenhouse-gas intensity that Local Law 97 measures against your building's emissions cap. Com+ Mechanical engineers each project from the load up — Manual N / block-load calculations, electrical service and switchgear capacity review, refrigerant piping design within manufacturer line-set limits, condensate and structural planning, and full BAS integration. We install cold-climate air-source units that hold capacity into single-digit outdoor temperatures, water-source loops tied to a central plant or geothermal field, and VRF heat-recovery systems that shuttle heat from a sunny south façade to a shaded north zone simultaneously. Whether you're electrifying one office floor, a multifamily building, or staging a phased rollout across a managed portfolio, we deliver a commissioned, code-compliant, all-electric system with the documentation your compliance filings require.
From call to comfort in 4 easy steps
We perform block-load and zone calculations, survey the existing plant and electrical service, evaluate roof/structural capacity, and model how electrification changes your building's emissions profile and incentive eligibility.
We select the right architecture — cold-climate air-source, water-source, or VRF heat recovery — size the equipment, design refrigerant piping and controls, identify any service-upgrade needs, and deliver a scoped Custom Quote.
Our crews set outdoor units, run and pressure-test refrigerant piping, decommission the displaced fossil-fuel or DX equipment, route condensate, and integrate the system into your BAS — coordinated to protect building uptime and tenant access.
We verify refrigerant charge, run startup and performance checks across heating and cooling modes, program controls, and hand off commissioning records plus the equipment documentation needed for warranties and incentive filings.
Outdoor condensing units that extract heat from ambient air, with cold-climate models engineered to maintain heating capacity well below freezing. The most direct retrofit path for buildings displacing a rooftop or packaged fossil-fuel system.
Distributed heat pump units tied to a common water loop — served by a boiler/cooler plant, cooling tower, or a geothermal ground field — that move heat between zones and the loop. Strong fit for larger buildings and campuses seeking stable year-round efficiency.
Variable refrigerant flow systems with branch controllers that route refrigerant to many indoor zones and recover heat — rejecting it from zones that need cooling into zones that need heating at the same time. Ideal for mixed-exposure commercial floors and multi-tenant layouts.
We design all-electric plants for office, multifamily, retail, and institutional buildings across the NYC metro — engineering for load, electrical service, and code, not residential rules of thumb.
We approach every electrification project understanding how the switch from combustion to heat pumps affects your building's emissions intensity and compliance posture, and document the work to support your filings.
From cold-climate air-source to VRF heat recovery, we handle refrigerant piping design, leak and vacuum testing, charge verification, and BAS integration in-house for a commissioned system that actually performs.
For property managers running multiple buildings, we phase installations and schedule decommissioning to minimize tenant disruption and protect occupancy across a portfolio. 24/7 response keeps you covered.
No fees. No surprises. Just honest service.
Feasibility and design groundwork before any equipment is specified.
Full design-and-install of your all-electric heat pump plant.
Planned maintenance to protect efficiency and equipment life post-install.
Final installation pricing is established after the Electrification Assessment defines load, electrical service requirements, equipment selection, and decommissioning scope.
Business+ plans start at $499/year — includes 2 rtu tune-ups, 10% off all services, and priority scheduling.
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Get answers to common questions about our services
Yes, when the right equipment is specified. We design with cold-climate (CCHP) heat pumps rated to hold heating capacity into single-digit outdoor temperatures, and where the load calls for it we add supplemental or backup heat. The system is sized to your building's design heating load for the Northeast climate, not a generic estimate.
Local Law 97 caps a building's annual greenhouse-gas emissions, and on-site fossil-fuel combustion carries a high emissions coefficient. Replacing a gas or oil plant with electric heat pumps eliminates that on-site combustion and shifts your building toward the lower-carbon electric grid, reducing the emissions intensity measured against your cap. We document the installed equipment to support your compliance filings.
Sometimes. Electrifying adds connected load, so during the assessment we review your panel, feeders, and switchgear capacity and calculate minimum circuit ampacity. If the existing service can't support the new equipment, we identify the upgrade and coordinate with your electrician and the utility early — before equipment is ordered — so energization isn't a surprise.
Yes. We routinely scope phased rollouts across managed portfolios, sequencing installations and decommissioning to protect occupancy and minimize tenant disruption building by building. A maintenance agreement can then cover the whole portfolio under one plan with priority dispatch.
Electrification projects in our service area may qualify for NYSERDA Clean Heat and utility incentives from Con Edison or PSEG, which can offset a meaningful portion of capital cost. We review eligibility during the assessment and provide the equipment documentation these programs require.
We provide 24/7 emergency response so a heating or cooling outage doesn't leave tenants without service. Maintenance-agreement clients receive priority dispatch. Call (332) 600-4640 any time.
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Whether you're planning ahead for Local Law 97, replacing an aging boiler, or standardizing electrification across a portfolio, Com+ Mechanical will assess your load and electrical service, design the right all-electric system, and deliver a commissioned heat pump plant built for NYC-metro buildings. Talk to our commercial team about your project.
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