1981 - Del-Air Systems Ltd. was incorporated to manufacture and distribute agricultural heat recovery ventilators (HRVs).

1982 - The HRV's were a solid beginning of the development of Del-Air's ventilation system. Marketing had grown to the three Canadian Prairie Provinces.

1985 - Del-Air installed our first rotational molding machine in 1985. This enabled us to mold housings for our own use as well as custom molding.

1986 - Del-Air introduced a line of agricultural ventilation fans and fresh air inlets. With increased sales, a second rotational molding machine was added.

1988 – Del-Air installed a sophisticated computer system capable of CAD drawings and began providing a ventilation planning service to our distributors.

1990 - Introduction of a full line of electronic ventilation controls, completing our ventilation system. Now, Del-Air offered a complete system including design and supply of all ventilation equipment. A third rotational molding machine was added.

1995 - A new ventilation control system called the RAPID Environment Control is launched. Del-Air created a quality option for our customers and created a ventilation system.

2001 – A record 50 new molds were developed, demonstrating Del-Air's flexibility and desire to meet the customer's needs. Most notably, we launched the Hurricane series of high volume fans and the SR242, a control designed to target the needs of hog finishing barns.

2002-2008 -