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Corporate Information

Who is
We are the largest Aprilaire parts house in the country and ship worldwide. is a division of On Time Mall Inc., a company specializing in indoor air quality products. We stock thousands of humidifier and air cleaner parts for indoor air quality devices as well as industrial controls for the heating and air conditioning industry.

On Time Mall Inc. began in 1983 as On Time Air Conditioning Inc. a heating and air conditioning service and installation contractor. In 2000 the contracting firm was sold off and we decided to concentrate on providing indoor air quality products to our clients across the world.

Our founder Jay Guliano has been in the industry for over 35 years and is considered a national expert on the indoor air quality field. He has owned and operated 2 different successful heating and air conditioning firms, managed several others and provided consulting services for industry manufacturers as well as other contractors. He still answers the phone at times and assists clients when ever possible. Originally from Pittsburgh PA he moved to Phoenix in 1979 to get out of the cold with his wife and has been here ever since.
A Division Of On Time Mall Inc.
1513 W Whispering Wind Drive
Phoenix, AZ 85085

Phone: 1-800-825-2148 Toll Free
Phone: 1-623-825-1615
Fax: 623 582-1107

9 AM TO 7 PM Eastern Monday through Friday

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