Multifamily HVAC
contractor built
for Manhattan
buildings tenants call home

Both. We service individual PTAC and PTHP units tied to tenant comfort calls, as well as the central boiler and ventilation systems serving the whole building — giving your management team a single contractor to call rather than juggling multiple vendors.

Denair treats heating outages during cold-weather months as top priority, with technicians typically on-site within 4 hours. Our fleet is dispatched from Brooklyn and reaches Manhattan buildings with common boiler and PTAC parts already stocked.

LL97 sets carbon emissions limits for buildings over 25,000 sq ft, and multifamily buildings — with older PTAC and boiler systems running continuously — often face some of the steepest exposure in NYC. Denair assesses your building's specific equipment mix and prioritizes upgrades, like VRF retrofits or boiler modernization, that reduce emissions and fines fastest relative to their cost.

Cost depends on building size, number of PTAC units, central plant equipment, and desired response times for tenant calls. We structure service agreements around your building's actual needs, with fixed pricing for scheduled maintenance and clear quotes for capital work.

Yes — we regularly help multifamily owners and managers plan phased retrofits that replace aging PTAC units with VRF systems over multiple budget cycles, prioritizing units and floors where the comfort or energy case is strongest first.