About Us
 Venmar CES Inc. - Commercial Energy Recovery Equipment Manufacturer Venmar CES Inc. - Light Commercial Energy Recovery Equipment Manufacturer 
Nortek Air Solutions – St-Leonard-d’Aston, QC Center of Excellence (Energy Recovery) – Saskatoon, SK

Starting out as an HRV Manufacturer in 1980, under the name Conservation Energy Systems, the company has expanded its scope of products, first to Light Commercial in the late 1980s and then into the Applied market in 1994, with the acquisition of Aston Industries. In 1997, the company officially changed its name to Venmar CES and joined Nortek Air Solutions, the largest Manufacturer of custom heating, ventilation and air conditioning equipment in North America.

Today, the Venmar CES brand is well known as a pioneer in commercial air-to-air energy recovery ventilation. With over 60 years of experience, we are committed to providing cost-effective Dedicated Outdoor Air Solutions and to being our customers’ first choice in creating quiet, comfortable and healthy indoor environments; over one million installations across North America carry the Venmar CES name.

We offer a wide array of products, from semi-custom (integrated and non-integrated) Commercial ERVs and full-custom Dedicated Outdoor Air Systems designed to meet our customers’ exacting specifications, for a variety of applications. For more information on our products and capabilities, please contact your local Representative.

Sales & Manufacturing

Nortek Air Solutions
200 Carter
St-Leonard-d’Aston, QC
J0C 1M0
Map Location

TEL: 819-399-2175
TOLL FREE: 1-866-483-6627 
FAX: 819-399-2612

General Inquiries


Center of Excellence

Nortek Air Solutions
1502 D Quebec Avenue
Saskatoon, SK S7K 1V7
Map Location

TEL: 306-242-3663
TOLL FREE: 1-866-483-6627
FAX: 306-242-3484