The company’s media air cleaner product line has been expanded with two new cabinets, one traditional filter model, and seven ultra-portable, patent-pending FlexFilter™ models. The new offerings include a cabinet and filter designed for use with heat pump systems. The 20- by 20- by 5-inch filter is rated MERV 11.

A line of commercial- and industrial-grade air filter housings complements its line of air filter products. The line of housings is designed for use in commercial air filtration equipment, including HVAC and industrial ventilation systems, blowers, compressors, engines, and molecular air purification equipment.

A universal filter frame for built-up bank HVAC systems, the FastFrame™ air filter holding frame uses exclusive new compression tab technology. This allows rapid filter change-out without clips and fasteners, or the common problem of finger cuts caused by the sharp edges on conventional framing systems.

Nearly one-half the width of existing air purifiers, the Performance™ Series air purifier provides cleaner, healthier indoor air, says the company. Based on the Infinity® air purifier platform with Captures & Kills™ technology, the air purifier has a narrow cabinet of 7¼ inches (18 cm) wide and an air filter 2½ inches (6.4 cm) wide.

When humidity and moisture are not effectively controlled, persistent dampness can lead to material damage, corrosion, structural decay, and microbial growth. HVAC contractors can play an integral part in slowing the development of such problems, but how?

The Coleman® brand has expanded its line of residential steam humidifiers with the Echelon™ Model 8000. The whole-home humidifier, which uses electricity to boil the water, features a precise control algorithm that manages the water level to ensure 11.5 A of electricity is used during operation.

Ranging from 18- to 140-ton units, the Protocol (NP) Series indoor swimming pool dehumidifiers provide energy-efficient natatorium space heating/cooling and optimum humidity control, while also offering free pool water heating and reheat through heat recovery.

Designed specifically to safely and efficiently clean all types of ductwork, most importantly flexible ductwork, the aiR+® XP Professional Air Duct Cleaning Machine is lightweight and portable, giving the user easy access into attics, basements, and crawl spaces, the company said.

The Tubular Rack UV System (TRS) is a commercial germicidal UV light IAQ product. The system is designed for effective microbial disinfection in new construction and retrofit IAQ industrial and commercial applications, such as hospitals, schools, office buildings, and other facilities.

Aldrich Hall is a 102,825-square-foot classroom serving the Harvard Business School’s MBA program. The building, originally built in 1955, recently completed a three-phase gut renovation. What did it entail?