DOAS
AAON
AAON provides Energy recovery units in Packaged, CW/HW Air Handlers, DX Air Handlers, Split Systems and Water Source Heat Pump Systems utilizing Energy Recovery Wheels.
Annexair
Annexair’s makeup air units are ideal for projects that require 100% outside air. Our product line offers a large selection of units that can also be equipped with recirculation if needed. Some units are available with a fixed plate heat exchanger for dehumidification applications.
Desert Aire
Desert Aire’s DOAS solutions help overcome the moisture load challenges posed by outdoor ventilation air more effectively than conventional temperature-controlled air handlers – meeting return air requirements for humidity and temperature as well as IAQ.
Nortek
Nortek’s EnergyPack® is a premium, fully customizable packaged HVAC solution designed for commercial applications up to 300,000+ CFM. Built with FANWALL® Technology, advanced filtration, integrated or non‑integrated post‑conditioning, and DDC controls, it delivers high performance, quiet operation, and precise temperature and humidity control. Its AHRI‑1060 certified enthalpy wheels, heat pipes, and plate exchangers maximize energy recovery, while microchannel condenser coils and Variable Refrigerant Control® boost overall efficiency. The unit’s double‑wall ITF cabinet, optional aluminum construction, and IAQ‑focused materials ensure durability, low leakage, and cleaner indoor environments.
NovelAire
The PrecisionDry series is an industrial‑grade desiccant dehumidification system engineered for ultra‑low dew points and precise moisture control in environments where humidity directly impacts product quality and operational performance. It’s built for demanding applications such as archives, cold storage, food processing, pharmaceuticals, and electronics manufacturing, delivering reliable, energy‑efficient drying beyond what refrigeration systems can achieve.
RenewAire
Energy Recovery Ventilators utilizing Enthalpy Cores from 90 CFM up to 6000 CFM.
SEMCO
SEMCO offers a complete line of desiccant-based products and systems that recover energy, increase ventilation and control humidity. Our energy recovery solutions have been proven in thousands of applications to provide the most cost effective solution to the ASHRAE 62 requirement of providing continuous ventilation while controlling humidity under any operating condition.
TMI Climate Solutions
TMI Climate Solutions dedicated outdoor air systems are engineered to deliver precise ventilation, improved indoor air quality, and energy‑efficient performance. These systems condition 100% outside air, integrating advanced features like energy‑recovery technologies, customizable airflow configurations, and durable construction tailored to each facility. Designed for reliability and flexibility, TMI’s DOAS solutions support healthier buildings while reducing HVAC load and operational costs.
United CoolAir
United CoolAir’s DOAS solutions are engineered to deliver precise ventilation, dehumidification, and “neutral air” for healthier indoor environments. Their systems—including the OmegaAir™ DOAS—are designed to manage high latent loads and supply conditioned outside air at 70–72°F and 50% RH, ensuring optimal indoor air quality without overburdening the primary HVAC system. With indoor, all‑modular configurations, multiple mounting options, and capacities from 450 to 3,000 CFM, United CoolAir provides flexible, high‑performance DOAS units ideal for schools, healthcare, offices, and retrofit applications.