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UL and ANSI standards for HVAC/R equipment

Browse ANSI standards categories and descriptions to support product quality assessment across manufacturing, energy and industrial applications.
Pictogram in .SVG for Standards and requirements

ANSI standards

Category              Description             
23 Fluid Systems and Components for General Use

23.100

Fluid power systems

23.100.10

Pumps and motors

23.120

Ventilators. Fans. Air-conditioners

23.140

Compressors and pneumatic machines

25 Manufacturing Engineering

25.040

Industrial automation systems

25.040.01

Industrial automation system in general

25.040.40

Industrial process measurement and control

25.180

Industrial furnaces

25.180.10

Electric furnaces

27 Energy and Heat Transfer Engineering

27.080

Heat pumps

27.160

Solar energy engineering

27.200

Refrigerating technology

97 Domestic and Commercial Equipment

97.100

Domestic, commercial and industrial heating appliances

97.100.10

Electric heaters

97.180

Miscellaneous domestic and commercial equipment

North American standards: exporting HVAC equipment to America and Canada

Throughout the United States and Canada many local jurisdictions (Authorities Having Jurisdiction - AHJ) will not allow unlisted/ unlabeled equipment to be installed or used at manufacturing and commercial sites. Manufacturers who utilize equipment not compliant with local electrical laws could be fined or even shut down by OSHA and or electrical inspectors.

TÜV SÜD Mark - lets buyers be aware of your adherance to safety requirments through your dedicated product testing by a nationally recognized testing labortory (NRTL); TÜV SÜD.

* December 4, 2014 - 4th Edition Changes will go into effect

Standard Title            

UL 250

Household  Refrigerators and Freezers

UL 399

Drinking Water Coolers

UL 427

Refrigerating Units

UL 471

Commercial Refrigerators and Freezers

UL 474

Dehumidifiers

UL 499

Electric Heating Appliances

UL 507

Electric Fans

UL 541

Refrigerated Vending Machines

UL 563

Ice Makers

UL 778

Motor Operated Water Pumps

UL 867

Electrostatic Air Cleaners

UL 873

Temperature-Indicating and -Regulating Equipment

UL 979

Water Treatment Appliances

UL 984

Hermetic Refrigerant Motor Compressors

UL 1030

Sheathed Heating Elements

UL 1278

Movable and Wall-or Ceiling-Hung Electric Room Heaters

UL 1963

Refrigerant Recovery/Recycling Equipment

UL 1995

Heating and Cooling Equipment

UL 60335-2-34

Household  and Similar Electrical Appliances, Part 2: Particular Requirements for Motor-Compressors

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