As Innovators in Clean Air Technology, Envirco manufactures a complete line of clean air systems for many industries requiring ultra-clean environments for critical technologies including: Microelectronics Medical Device Semiconductor Laboratory Pharmaceutical Known for product innovation and high quality, Envirco designed and manufactured the first commercial cleanroom, the first laminar flow surgical suite, and the first low profile fan filter unit (FFU).
Diversified Heat Transfer, Inc. (DHT)
Diversified Heat Transfer (DHT) is a leading engineering and manufacturing company of heat exchange equipment for residential, commercial, and industrial markets. With over 85 years of experience, DHT can design, build, and manufacture innovative, technology-driven products that provide flexible, high-quality, and cost-effective solutions for a wide variety of applications. In 2022 Sussman Electric Boilers became a brand of DHT, bringing with it a century-long legacy of specialized electric steam and hot water experience.
Dettson Industries
Dettson Industries designs, manufactures and provides a complete range of HVAC solutions for residential comfort, including furnaces, heat pumps, air handlers, boilers, air exchangers, duct systems, and thermostats. As a manufacturer and key importer, we deliver energy-efficient, safe, and reliable products tailored to North American climates. Through innovation and strong partnerships, Dettson ensures sustainable systems that meet today’s energy challenges while shaping the future of home comfort.
Dadanco – A Mestek Co.
DADANCO heating and air conditioning solutions utilize unique patented induction nozzle technology. This technology offers significant performance advantages in a wide range of HVAC products including Active Chilled Beams, Inffusers, Induction Diffusers and Induction unit consoles. DADANCO is dedicated to sustainable, energy efficient, quiet and comfortable solutions.
Changzhou Dabund Pipe Co., Ltd
Dabund Pipe is one manufacturer of Air Conditioner Lineset, PVC Lineset Covers and Brackets. At the same time we also offer Installation case of contructions, including the other parts what we do not produced, like Rubber foot, Roof brcket, Floor stands, Refrigerant gas, Disconnect box, Electric whips etc. We manage TOP manufacturers of Air Conditioner Installation Parts, offering you the quality, competitve price and perfect loading.
Aldes North America
Aldes North America serves as an industry leader in heat and energy recovery ventilation systems for multi-family dwellings, hotels, schools, homes and commercial applications. Through state-of-the-art solutions, every Aldes product is equal parts innovation and experience. From automatic airflow controls to residential in-line fans and patented demand control terminal devices, Aldes North America products can be found in high-performing homes and buildings across North America.

