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Learn how UL Standards function as a benchmark that enables consumers and businesses to feel confident about the products and services they purchase.

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Products and standards

UL can test HVAC/R equipment in accordance to U.S. federally mandated energy efficiency standards including:

AHRI standards

Standard
Title

AHRI 210/240

Unitary air-conditioning and air-source heat pump equipment

AHRI 310/380

Package terminal air-conditioning and heat pumps

AHRI 340/360

Commercial and industrial unitary air-conditioning and heat pump equipment

AHRI 365

Commercial and industrial unitary condensing units

AHRI 390

Single package vertical units

AHRI 410Forced circulation, air-cooling and air-heating coils

AHRI 440

Fan coils

AHRI 550/590

Water-chilling packages

AHRI 810Automatic commercial ice-makers

AHRI 820

Ice storage bins

AHRI 1200

Commercial refrigeration

Other standards

Standard
Title

ASHRAE

20, 30, 37, 41.1, 41.2, 41.3, 41.6, 41.7, 41.10, 72, 79, 116, 117, 128, 133

EN

14511

ISO

5151, 7371, 8187, 8561, 13256

JIS

C 9612

CSA

C656, C742, C743, C746, C749

IEC

60335-2-40

UL 471

Commercial refrigeration

UL 1995/CSA C22.2

No. 236 heating and cooling equipment