HIGHMARK is the official Petra Engineering representative in New York City & New Jersey, delivering a full line of Petra’s Dedicated Outdoor Air Systems (DOAS), air handling units, fan coil units, and chillers. Petra’s DOAS units are engineered to deliver 100% conditioned outdoor air, providing superior ventilation, humidity control, and energy savings—helping buildings achieve healthier indoor environments and meet sustainability goals.
By combining Petra’s high-performance DOAS technology with HIGHMARK’s local expertise, clients in NYC & NJ gain access to advanced ventilation solutions that lower operating costs, conserve resources, and deliver long-term building performance.
Let’s create a more sustainable world.
Our team partners with engineers, contractors, owners and operators across all commercial and high-rise residential building types. We customize our building efficiency technologies for every job to meet the specific needs of the most demanding structures.