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ASHRAE Standard 219
Method of Testing the Ability of Liquid Line Filter Driers or Adsorbents to Remove Organic Acid (ANSI Approved)
ASHRAE Standard 219-2021

Method of Testing the Ability of Liquid Line Filter Driers or Adsorbents to Remove Organic Acid (ANSI Approved)

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ASHRAE Standard 22
Method of Testing for Rating Liquid-Cooled Refrigerant Condensers (ANSI Approved)
ASHRAE Standard 22-2023

Method of Testing for Rating Liquid-Cooled Refrigerant Condensers (ANSI Approved)

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ASHRAE Standard 221
Test Method to Field-Measure and Score the Cooling and Heating Performance of an Installed Unitary HVAC System (ANSI Approved)
ASHRAE Standard 221-2020

Test Method to Field-Measure and Score the Cooling and Heating Performance of an Installed Unitary HVAC System (ANSI Approved)

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ASHRAE Standard 222
Standard Method of Test for Electrical Power Drive Systems (ANSI Approved)
ASHRAE Standard 222-2018

Standard Method of Test for Electrical Power Drive Systems (ANSI Approved)

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ASHRAE Standard 224
Standard for the Application of Building Information Modeling (ANSI Approved)
ASHRAE Standard 224-2023

Standard for the Application of Building Information Modeling (ANSI Approved)

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ASHRAE Standard 225
Method for Performance Testing Centrifugal Refrigerant Compressors and Condensing Units (ANSI Approved)
ASHRAE Standard 225-2020

Method for Performance Testing Centrifugal Refrigerant Compressors and Condensing Units (ANSI Approved)

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ASHRAE Standard 228
Standard Method of Evaluating Zero Net Energy and Zero Net Carbon Building Performance(ANSI Approved)
ASHRAE Standard 228-2023

Standard Method of Evaluating Zero Net Energy and Zero Net Carbon Building Performance(ANSI Approved)

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ASHRAE Standard 23
Methods for Performance Testing Positive Displacement Refrigerant Compressors and Compressor Units
ASHRAE Standard 23-2022

Methods for Performance Testing Positive Displacement Refrigerant Compressors and Compressor Units

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ASHRAE Standard 230
Commissioning Process for Existing Buildings and Systems (ANSI Approved)
ASHRAE Standard 230-2022

Commissioning Process for Existing Buildings and Systems (ANSI Approved)

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ASHRAE Standard 232
Common Content and Specifications for Building Data Schemas (ANSI Approved; IBPSA Co-sponsored)
ASHRAE Standard 232-2024

Common Content and Specifications for Building Data Schemas (ANSI Approved; IBPSA Co-sponsored)

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ASHRAE Standard 23.2
Methods of Test for Rating the Performance of Positive Displacement Compressors that Operate at Supercritical Pressures of the Refrigerants (ANSI Approved)
ASHRAE Standard 23.2-2019

Methods of Test for Rating the Performance of Positive Displacement Compressors that Operate at Supercritical Pressures of the Refrigerants (ANSI Approved)

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ASHRAE Standard 241
Control of Infectious Aerosols
ASHRAE Standard 241-2023

Control of Infectious Aerosols

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ASHRAE Standard 25
Methods of Testing Forced-Circulation Free-Delivery Unit Coolers for Refrigeration (ANSI Approved)
ASHRAE Standard 25-2018

Methods of Testing Forced-Circulation Free-Delivery Unit Coolers for Refrigeration (ANSI Approved)

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ASHRAE Standard 28
Method of Testing Flow Capacity of Refrigerant Capillary Tubes (ANSI Approved)
ASHRAE Standard 28-2020

Method of Testing Flow Capacity of Refrigerant Capillary Tubes (ANSI Approved)

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ASHRAE Standard 29
Method of Testing Automatic Ice Makers (ANSI Approved)
ASHRAE Standard 29-2024

Method of Testing Automatic Ice Makers (ANSI Approved)

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ASHRAE Standard 32.1
Methods of Testing for Rating Refrigerated Vending Machines for Sealed Beverages (ANSI approved)
ASHRAE Standard 32.1-2022

Methods of Testing for Rating Refrigerated Vending Machines for Sealed Beverages (ANSI approved)

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ASHRAE Standard 32.2
Methods of Testing for Rating Premix and Postmix Beverage Dispensing Equipment (ANSI Approved)
ASHRAE Standard 32.2-2022

Methods of Testing for Rating Premix and Postmix Beverage Dispensing Equipment (ANSI Approved)

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ASHRAE Standard 33
Methods of Testing Forced-Circulation Air-Cooling and Air-Heating Coils (ANSI Approved)
ASHRAE Standard 33-2016

Methods of Testing Forced-Circulation Air-Cooling and Air-Heating Coils (ANSI Approved)

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ASHRAE Standard 35
Method of Testing Desiccants for Refrigerant Drying (ANSI Approved)
ASHRAE Standard 35-2024

Method of Testing Desiccants for Refrigerant Drying (ANSI Approved)

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ASHRAE Standard 37
Methods of Testing for Rating Electrically Driven Unitary Air-Conditioning and Heat-Pump Equipment (ANSI Approved)
ASHRAE Standard 37-2024

Methods of Testing for Rating Electrically Driven Unitary Air-Conditioning and Heat-Pump Equipment (ANSI Approved)

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ASHRAE Standard 40
Methods of Testing for Rating Heat-Operated Unitary Air-Conditioning and Heat-Pump Equipment (ANSI Approved)
ASHRAE Standard 40-2025

Methods of Testing for Rating Heat-Operated Unitary Air-Conditioning and Heat-Pump Equipment (ANSI Approved)

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ASHRAE Standard 41.10
Standard Methods for Refrigerant Volumetric or Mass Flow Measurement Using Flowmeters (ANSI Approved)
ASHRAE Standard 41.10-2024

Standard Methods for Refrigerant Volumetric or Mass Flow Measurement Using Flowmeters (ANSI Approved)

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ASHRAE Standard 41.11
Standard Methods for Power Measurement (ANSI Approved)
ASHRAE Standard 41.11-2023

Standard Methods for Power Measurement (ANSI Approved)

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ASHRAE Standard 41.13
Standard Methods for Fuel Higher Heating Value Measurement (ANSI Approved)
ASHRAE Standard 41.13-2023

Standard Methods for Fuel Higher Heating Value Measurement (ANSI Approved)

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ASHRAE Standard 41.2 PDF Preview
ASHRAE 41.2-2026

Standard Methods for Air Velocity and Airflow Measurement (ANSI Approved)

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