Canadian General Filters has been servicing the Canadian HVAC/R and plumbing markets since 1948.

• See also:
• Masterformat 2004
• 23 05 93 - Testing, Adjusting, and Balancing for HVAC
• 23 08 00 - Commissioning of HVAC
• 23 09 00 - Instrumentation and Control for HVAC
• 23 09 13 - Instrumentation and Control Devices for HVAC
• 23 21 23 - Hydronic Pumps
• 23 52 00 - Heating Boilers
• 23 52 16 - Condensing Boilers
• 23 52 19 - Pulse Combustion Boilers
• 23 52 23 - Cast-Iron Boilers
• 23 52 33 - Water-Tube Boilers
• 23 52 39 - Fire-Tube Boilers
• Masterformat 1995
• 15130 - Pumps
• 15510 - Heating Boilers and Accessories
• 15900 - HVAC Instrumentation and Controls
• 15905 - HVAC Instrumentation
• 15950 - Testing, Adjusting, Balancing