The Engineer Redefining High-Rise HVAC in New York and New Jersey
Setting new standards in high-rise HVAC

SKYLINE: Tarang Patel, lead mechanical engineer at TRV Mechanical Contractors, on the skyline he helps shape with every project.
Tarang Patel of TRV Mechanical has become a published authority in decentralized VRF systems, passive ventilation, and BIM-coordinated mechanical design – with his engineering methods documented by Broan-NuTone and eFlow USA as industry benchmarks, and recognized by LG's authorized representative as a benchmark achievement in the New York/New Jersey market.
In an industry where the most challenging high-rise projects are defined by what can go wrong – refrigerant systems destabilized by 500-foot vertical pressure gradients, ventilation networks defeated by stack-effect physics, mechanical installations derailed by field conflicts – Tarang Patel, CPHC, has built a reputation for making them go right. And the region's leading HVAC manufacturers and project developers and executives have taken notice.
Broan-NuTone and eFlow USA have each independently published Patel's work as technical case studies – a distinction that speaks to the significance of his engineering contributions beyond any single project. His methods for solving stack-effect pressure imbalance in tall residential towers, his decentralized ventilation strategies, and his BIM-coordinated zero-clash installation workflows are now part of the published technical record in a field where documented innovation is rare.
"Tarang Patel's work established a new standard for sustainable high-rise ventilation in the New York metropolitan area," eFlow USA wrote in a published case study of Patel’s work at 532 Neptune Avenue in Brooklyn. "Their work at 532 Neptune Avenue serves as an authoritative case study for the entire HVAC industry."
Patel is the Lead Mechanical Engineer at TRV Mechanical Contractors in Kenilworth, New Jersey – with a Master of Engineering from Lamar University and eight years of field experience directing HVAC engineering for some of the largest and most complex residential developments in the New York metropolitan region. His active portfolio at TRV currently exceeds $36 million across multiple simultaneous projects, all managed from a single point of technical authority.
"Every high-rise is a different physics problem. The stack effect, the refrigerant column heights, the coastal environments – the standard approaches don't always work. You have to engineer a solution specific to that building," Patel said.
A New Approach To The Stack Effect – 20 Long Slip, Jersey City
The project that put Patel's ventilation methodology on the map is 20 Long Slip in Jersey City – a 50-story, 530-unit luxury tower on the Hudson River waterfront, part of a $365 million development. The mechanical contract, valued at over $11 million, demanded LEED-compliant indoor air quality on every floor from lobby to penthouse.
The challenge was the stack effect: in a building of this height, buoyancy-driven pressure differences can exceed 0.8 inches w.g. from bottom to top floor, systematically over-ventilating lower floors and under-ventilating upper ones. The conventional industry response – motorized dampers and electronic control systems – adds mechanical complexity, maintenance burden, and cost. Patel engineered a different solution.
Working with Broan-NuTone Energy Recovery Ventilators, he designed a fully decentralized ventilation architecture: one ERV per apartment across all 530 units, each paired with a factory-calibrated Constant Air Regulator (CAR) damper that self-balances against pressure variations automatically. No sensors. No motors. No manual rebalancing. The system delivers precise, code-compliant airflow at every floor regardless of the season or the weather.
Broan-NuTone has since published the project as a case study, noting Patel's "No-Panel" installation strategy – leveraging the ERV's integrated access chassis to eliminate the need for 530 separate drywall access panels – as an innovation that saved in construction cost. The system delivers 75% energy recovery efficiency, and an estimated 450,000 kWh conserved per year. The same building houses a 935-zone VRF system – among the largest residential VRF deployments in the Newport waterfront area – and a 150-kilowatt Tecogen cogeneration plant that Patel integrated to target up to a 90% reduction in the building's carbon footprint.
"By using Broan's advanced recovery cores and integrated service design, Tarang Patel isn't just moving air – he is preserving energy, reducing construction costs, and providing a healthier living environment for hundreds of families. This project represents one of the largest implementations of decentralized ERV technology in residential high-rise in the NY metro area," Broan-NuTone wrote in a published case study about the 20 Long Slip project in Jersey City.
Three Towers, One Standard – Sky Three, Brooklyn (Published By Eflow Usa)
The 532 Neptune Avenue development in Brooklyn's West Brighton neighborhood – marketed as SKY THREE – presented a version of the same stack-effect problem at greater horizontal scale: three architecturally distinct towers totaling 758,600 square feet and 499 apartments, on an Atlantic Ocean coastal site where external wind pressure compounds building pressure differentials dramatically.
Patel's solution at SKY THREE extended his passive ventilation methodology across all three towers using eFlow Constant Airflow Regulators – factory-calibrated, passive, pressure-independent devices that maintain precise airflow at every apartment without any electronic controls. He engineered the system using 4-inch units at 25 CFM for kitchen exhaust and 5-inch units at 65 CFM for bathroom exhaust throughout all 499 apartments, creating a self-balancing ventilation network that performs consistently at every floor level regardless of external conditions.
The outcome was independently documented and published by eFlow USA: a 25% reduction in HVAC-related energy waste across the entire development and full compliance with New York City's Local Law 97 carbon emission requirements. The $18.7 million TRV Mechanical contract – the largest in Patel's portfolio – also included 507 Mitsubishi Electric outdoor units across five system configurations, all specified with seacoast-rated (BS) protective coatings for the building's marine coastal environment, 22 industrial-scale Energy Recovery Ventilators, and 585,000 pounds of custom galvanized ductwork coordinated across three towers using Autodesk Revit, Navisworks, and BIM 360.
"Tarang Patel established a new standard for sustainable high-rise ventilation in the New York metropolitan area. The collaboration at 532 Neptune Avenue highlights the essential role that engineers like Tarang Patel play in the global push for green infrastructure. Their work serves as an authoritative case study for the entire HVAC industry," according to a published case study by eFlow USA.
Zero Clashes, 15 Floors – Hoyt Tower, Newark
Patel's BIM coordination methodology is perhaps most sharply demonstrated at Hoyt Tower – 50-54 Sussex Avenue in Newark's University Heights neighborhood, a 15-story, 203-unit luxury residential tower. The LG Multi-V VRF scope included 207 outdoor units, 260 indoor air handlers, and 90,750 linear feet of refrigerant and condensate piping threading through ceiling plenums shared by structural, electrical, and plumbing trades – a density that routinely produces costly field conflicts on projects of this type.
On Hoyt Tower, there were none. Before a single pipe was installed, Patel had run full multi-trade clash detection in Navisworks across all 15 floors, coordinating with the architect, structural engineer, and all MEP trades through BIM 360. Every conflict was resolved in the model. The result was on-time delivery across all milestones, qualification of all 207 LG systems for the manufacturer's Extended Warranty Program, and a project that Klima New Jersey – the authorized LG equipment representative who supported the installation – described as a benchmark for large-scale VRF deployment in the region.
"207 LG systems installed without a single field clash, on schedule, and with full warranty qualification – this is a benchmark achievement that reflects Tarang Patel's status as a premier mechanical engineering professional in the New York/New Jersey urban development industry," said Klima New Jersey, LLC, an authorized LG representative that supported the installation.
A Portfolio That Sets Benchmarks
Beyond these three signature projects, Patel's portfolio reflects the same engineering discipline across a range of building types and challenges. At 615 River Road in Edgewater – a 1.2 million square foot Hudson River waterfront development – he specified LG Ocean Black Fin technology with custom epoxy-resin coastal coatings to extend mechanical equipment design life from 10 to 20 years, protecting over $1 million in projected lifecycle costs for 381 luxury units. At The Arabella in the Bronx (4720 3rd Avenue), his LG heat recovery VRF design placed a 190,500 square foot mixed-use building in New York City's beneficial electrification category, ahead of Local Law 97 penalty thresholds. At 180 2nd Avenue in Manhattan, he achieved a 0.6 ACH50 airtightness rating under Passive House (PHI) certification – delivering a 75% reduction in heating and cooling energy versus a standard NYC residential build.
In each case, the engineering decisions share a common thread: Patel's work is not just executed well – it is documented, published, and recognized by the manufacturers and industry experts whose products he deploys. For the companies that make the systems Patel installs, and for the project developers who depend on them, the work speaks for itself.
Key Projects At A Glance
- 20 Long Slip, Jersey City NJ\t50 stories · 530 units · 935 VRF zones · 530 Broan ERVs · 150kW Tecogen CHP · $11M+ HVAC
- SKY THREE, 532 Neptune Ave, Brooklyn\t3 towers · 758,600 sq.ft. · 507 Mitsubishi ODUs · 22 ERVs · eFlow-CARs · $18.7M HVAC
- Hoyt Tower, 54 Sussex Ave, Newark\t15 stories · 203 units · 207 LG ODUs · 90,750 LF piping · Zero BIM clashes · $2.2M+
- 615 River Road, Edgewater NJ\t1.2M sq.ft. · VRF + WSHP · LG Ocean Black Fin · 20-yr design life · $12.9M HVAC
- The Arabella, 4720 3rd Ave, Bronx NY\t190,500 sq.ft. · LG VRF heat recovery · NYC LL97 beneficial electrification · $4.6M HVAC
- 180 2nd Avenue, New York NY\tPassive House PHI · 0.6 ACH50 airtightness · 75% heating/cooling energy reduction
- Total Active Portfolio\t$36M+ under Patel's engineering leadership at TRV Mechanical
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