At Aprilaire, we view indoor air quality as a four-part system consisting of temperature control, humidity control, ventilation and filtration.

The Henry Valve Co was founded in Chicago in 1914, making gauge and lantern components for the Model T Ford. Today the Henry brand is recognized for quality and reliability. The Henry brand of products includes: Ball Valves, Check Valves, Globe Valves, Pressure Relief Valves, Safety Device Assemblies, and Solenoid Valves.

The Extech Instruments Division is a manufacturer and supplier of 15 major product categories of technically advanced, portable meters including multimeters, clamp meters, electrical testers, and environmental meters for the measurement of light, sound, temperature, humidity, airflow, RPMs, and water quality.

Malco Products, Inc. is the nation's leading manufacturer of "tools of the trade" for HVAC (Heating, Ventilating and Air Conditioning) professionals. The early product line of crimpers, seamers, notchers and punches has since been joined by hundreds of other specialty tools, and Malco is still known for regularly introducing exciting new hand tool designs and modifications for the markets it serves.

Our mission is to develop and produce for OEMs and installers of air conditioning heating and refrigeration systems throughout the world innovative products and systems for detecting, evacuating and regulating condensate water. Also to provide them with both quality and service while at the same time users.

The innovative UNICO SYSTEM allows central air conditioning and heating installation in applications where total comfort is the goal. Suitable for new residential and commercial projects, or retrofit situations, THE UNICO SYSTEM allows virtually all hydronically heated structure, and other applications once deemed "impossible installations", to be air conditioned without major sacrifice of space.

Danfoss' Industrial Automation Division develops, manufactures and markets pressure and temperature controls and industrial valves.

Since 1933, we have built a strong knowledge about technologies and applications. Through the years we have successively launched new products and technologies, among others pressure transmitters, temperature sensors, solenoid valves, and contactors.

Webster is a leading manufacturer of fuel oil pumps and valves for the oil heat industry. We manufacture a wide variety of Fuel Oil, Waste Oil and Bio Pumps Regulating Valves, Oil Safety Valves, Duplex Pump Sets, and Supply Pumps for Residential, Industrial and Commercial burner applications.

A Leading supplier in the heating industry.

Westwood Products Inc. is a leading supplier to the heating industry We manufacture and supply parts to OEM's and to Plumbing & Heating Wholesalers Nationwide as well as to Canada, Mexico, and Latin America.

Focused on becoming a leader in the air movement/ventilation industry.

Fantech's strength and stability comes from its alliance with its parent company, Systemair, Sweden. Systemair's global network of 60 subsidiaries on three continents makes the Systemair Group one of the largest air movement companies in the world. Fantech's two North American manufacturing plants include a 155,000 sq. ft. facility in Lenexa, Kansas as well as a 130,000 sq. ft. manufacturing plant located in Bouctouche, New Brunswick, Canada.