Our competitively priced, quality built, economy QAD Series direct gas fired make up air unit are available in standard sizes from 1,000 to 18,000 CFM in horizontal or down discharge configurations. 

Units are manufactured with G90 galvanized steel outer casing, insulated where needed, with 1: 1 1/2 lb. non-wicking insulation and lined with galvanneal to eliminate airborne fibers entering the air stream. 

Fans are AMCA rated forward curved.  Burners are proven brand name with stainless steel mixing plates capable of 25:1 turndown. 

Valve train and controls are built to CSA standards. Direct gas fired units are the most efficient product to replace exhausted air and overcome negative pressure, reducing cold drafts, employee discomfort and absenteeism.