CSA (C/US) Certified - Because of our commitment to product integrity, reliability, and safety, most of our hazardous location products have received third party certification from CSA International for use in the United States, Canada, and many countries around the world.  The following is a list of our certified products:

Room Air Conditioners:

• RCBX Series – Class I, Division 2, Groups B, C, D
• RCBX-C12 Series – Class I, Division 1, Groups C, D Indoors, Division 2 Outdoors, and Class I, Division 2, Groups C, D Outdoors
• RCBX-C1 Series – Class I, Division 1, Groups C, D
• RCBX-D1 Series – Class I, Division 1, Group D
• RCBX-E1 Series – Class II, Division 1, Groups E, F, G
• RCBX-F1 Series – Class II, Division 1, Groups F, G

Room Heat Pumps:

• RHBX Series - Class I, Division 2, Groups B, C, D

Mini-Wall Mount Air Conditioners for Cooling Electronic Enclosures

• WMBX Series - Class I, Division 2, Groups B, C, D
• WMXG Series - Class I, Division 2, Groups B, C, D, Outdoors, and Ordinary location Indoors

 Wall Mount Air Conditioners, 1-1/2 through 6 ton sizes:

• WCBX Series - Class I, Division 2, Groups B, C, D
• WCXG Series - Class I, Division 2, Groups B, C, D, Outdoors, and Ordinary location Indoors
• WCBX-H Series - Class I, Division 2, Groups B, C, D with Electric Heat
• WCBX-C1 Series - Class I, Division 1, Groups C, D
• WCBX-C12 Series - Class I, Division 1, Groups C, D Indoors, and Class I, Division 2, Groups C, D Outdoors

Wall Mount Heat Pumps, 1-1/2 through 6 ton sizes:

• WHBX Series - Class I, Division 2, Groups B, C, D
• WHXG Series - Class I, Division 2, Groups B, C, D, Outdoors, and Ordinary location Indoors
• WHBX-H Series - Class I, Division 2, Groups B, C, D with Supplemental Electric Heat

Wall Mount Combination Air Conditioner and Pressurization Unit, Cooling, Heating, and Pressurizing IN ONE UNIT, 1-1/2 through 6 ton sizes:

• WCPX-G Series - For Switchgear Buildings - Class I, Division 2
• WCPX-H Series - For Analyzer Buildings - Class I, Division 2

Wall Mount Combination Heat Pump and Pressurization Unit, Cooling, Reverse Cycle Heating, Resistant Heating, and Pressurizing IN ONE UNIT, 1-1/2 through 6 ton sizes:

• WHPX-G Series - For Switchgear Buildings - Class I, Division 2
• WHPX-H Series - For Analyzer Buildings - Class I, Division 2

Packaged Air Conditioners, Up To 30 Tons:

• PACX Series - Class I, Division 2, Groups B, C, D
• PAXG Series - Class I, Division 2, Groups B, C, D, Outdoors, and Ordinary location Indoors
• PACX-H Series - Class I, Division 2, Groups B, C, D with Electric Heat
• PACX-C1 Series - Class I, Division 1, Groups C, D
• PACX-C12 Series - Class I, Division 1, Groups C, D Indoors, and Class I, Division 2, Groups C,D Outdoors
• PACX-E1 Series – Class II, Division 1, Groups E, F, G
• PACX-F1 Series – Class II, Division 1, Groups F, G

Packaged Heat Pumps, Up To 30 Tons:

• PHPX Series - Class I, Division 2, Groups B, C, D
• PHPG Series - Class I, Division 2, Groups B, C, D, Outdoors, and Ordinary location Indoors
• PHPX-H Series - Class I, Division 2, Groups B, C, D with Supplemental Electric Heat

Split-System Air Conditioners - Up To 20 Tons:

• AAUX Series Air Handling Units - Class I, Division 2, Groups B, C, D
• AAUX-H Series Air Handling Units - Class I, Division 2, Groups B, C, D with Electric Heat
• CLUX Series Condensing Units - Class I, Division 2, Groups B, C, D

Split-System Heat Pumps - Up To 20 Tons:

• AHUX Series Air Handling Units - Class I, Division 2, Groups B, C, D
• AHUX-H Series Air Handling Units - Class I, Division 2, Groups B, C, D with Electric Heat
• CLHX Series Condensing Units - Class I, Division 2, Groups B, C, D

Mini-Split Air Conditioners

• WAMX Series High Wall Air Handler - Class I, Division 2, Groups B, C, D
• CMSX Series Condensing Unit - Class I, Division 2, Groups B, C, D
• CMSX-D Series Condensing Unit with Dual Compressors- Class I, Division 2, Groups B, C, D

Refrigeration Unit Coolers (Evaporator Coils):

• UCRX Series - Class I, Division 2, Groups B, C, D
• UCRX-C1 Series- Class I, Division 1, Groups C, D

Refrigeration Condensing Units:

• CLRX Series - Class I, Division 2, Groups B, C, D
• CMRX Series - Class I, Division 2, Groups B, C, D
• CSRX Series - Class I, Division 2, Groups B, C, D

Pressurization Units for NFPA 496 Type Z Pressurizing

• PVSX Series Single Fan - Class I, Division 2, Groups B, C, D
• PVDX Series Dual Fan- Class I, Division 2, Groups B, C, D

Ventilation Fans

• WSFX –S Series Single Supply Fan - Class I, Division 2, Groups B, C, D
• WSFX –D Series Dual Supply Fan - Class I, Division 2, Groups B, C, D
• WEFX –S Series Single Exhaust Fan - Class I, Division 2, Groups B, C, D
• WEFX –D Series Dual Exhaust Fan - Class I, Division 2, Groups B, C, D
• ISFX Series Inline Fan - Class I, Division 2, Groups B, C, D 
• MSXF Series Muffin Fan - Class I, Division 2, Groups B, C, D                          

Electric Heaters

• 233 Series Fan-forced unit Heater– Class I, Division 1, Groups C, D, and Class II, Division 1, Groups F, G
• FEP Series Convection Heater – Class I, Division 1, Groups B, C, D