About Us

This site and its content is a free resource brought to you by the thought leaders within Madison Industries’ Indoor Air Quality group of companies. We are dedicated to sharing knowledge about indoor air quality that can help people breathe easy every day.

Our companies specialize in technologies that help deliver clean air for people around the world. Our products work together to purify the air we breathe by removing pollutants, managing humidity, bringing fresh outside air to indoor spaces and cleaning recirculated indoor air. Because every breath matters.


Purification

Purafil
Steril-Aire logo
Phoenix
Santa Fe

Ventilation

Rapid Engineering
united coolair
Phoenix Air Systems
Addison
airxchange

Filtration

Filtration Group Indoor Air Quality
Purafil
Purafil

Purafil is a global leader in gas phase air filtration systems and engineered solutions designed to protect people, processes, and environments. The company’s products set industry standards.

Addison

With over eight generations of Dedicated Outdoor Air (DOAS) products, Addison continues to lead the industry in product development. From its highly configurable PR Series, modular split MA/MC series, and the all new compact AK Series, Addison offers ultimate performance configured for customer applications.

Filtration Group Indoor Air Quality

FG IAQ is one of the largest air filter manufacturers in North America, servicing industrial, commercial, healthcare and government institutions, producing millions of filters each year.

Phoenix

Phoenix is the leader in drying and dehumidification equipment including LGR and desiccant dehumidifiers, air movers, air scrubbers, water extraction tools, portable electric heating and cooling systems, hydronic heat, and metering devices. With proven performance and pioneering technology, Phoenix continues to revolutionize the restoration industry.

Santa Fe
Ultra-Aire

When it comes to protecting your family and property from the harmful effects of excessive moisture, you should never settle for anything but a Santa Fe or Ultra Aire by Santa Fe. That’s because we take great pride in engineering products that set the standard in dehumidification for the entire home. It’s not only our mission, it’s our passion. Manufactured in Madison, Wisconsin, our dehumidifiers are commercial-grade, easy to install and feature unparalleled air filtration — giving you peace of mind in knowing that the air circulating throughout your home is clean, pure and safe. 

Rapid Engineering

Rapid Engineering LLC manufactures industrial-grade make-up air solutions for the rigors of industrial & commercial applications. Our history and expertise in enhanced heavy-duty welded cabinet construction and features shows through all of our models. RAPID has earned a reputation for tough make-up air units built to last.

Phoenix Air Systems

Phoenix Air Systems manufactures Hygienic Air Handlers for critical process applications such as food processing facilities (meat, poultry, seafood, fruits and vegetables, juice, nuts, dairy and eggs, frozen, bakery items and prepared foods). Used in food processing plants, hygienic air handlers control the air delivered to processing, packaging and storage areas.

airxchange

Airxchange is the leading manufacturer of Energy Recovery Ventilation Components in North America. Our company’s mission is to design and manufacture high quality products that perform reliably and effectively for the life of the HVAC system, reduce energy consumption, and improve indoor air quality.

Steril-Aire logo

Our science is groundbreaking. But our goal is simple: Continue to produce innovative, technological solutions, backed by science, that enhance our customer’s image, save money and create a better environment to live, work and breathe. Steril-Aire, ISO Certified in both 9001:2015 & 14001:2015, launched UVC for HVAC industry in 1994 and remains at the pinnacle today. Steril-Aire is the unrivaled leader in the development of high performance UVC solutions for air and surface decontamination.

united coolair

Founded in 1988, United CoolAir manufactures 1 to 100 ton “All-Indoor” Modular HVAC systems for commercial & industrial cooling, as well as 100% outside air applications.  Built-to-order horizontal and vertical systems are sold as air-cooled, water-cooled, chilled water, and heat pump models with a wide range of options to meet almost any application. United CoolAir also produces a variety of portable, temporary environmental control HVAC units under the name Therm~Air.

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