GB/T 21087-2020
ActiveEnergy recovery ventilators for outdoor air handling
热回收新风机组
Application Summary AI generated
GB/T 21087-2020 specifies performance requirements, test methods, and energy efficiency ratings for heat recovery fresh air units used in building ventilation systems. It applies to residential and commercial HVAC equipment that recovers thermal energy from exhaust air to precondition incoming outdoor air, reducing heating and cooling loads. The standard is used by manufacturers, testing laboratories, and building designers to ensure compliance with China's energy conservation regulations for ventilation products.
Related Standards
GB/T 19249-2003
Reverse osmosis water treatment equipment
GB/T 16895.3-2004
Electrical installations of buildings--Part 5-54:Selection and erection of electrical equipment--Earthing arrangements，protective conductors and protective bonding conductors
GB/T 7725-2004
Room air conditioners
GB/T 16895.22-2004
Electrical instal lations of buildings--Part 5-53:Selection and erection of electrical equipment isolation，switching and control--Section 534:Devices for protection against overvoltages
GB/Z 28598-2012
Study of the use of lifts for evacuation during an emergency
GB/Z 28597-2012
Lifts and escalators subject to seismic conditions - Compilation report
GB/Z 31822-2015
Study report on the safety requirements of public service escalators and moving walks
GB/Z 35850.3-2021
Programmable electronic systems in safety-related applications for lifts (elevators), escalators and moving walks—Part 3: Life cycle guideline for programmable electronic systems related to PESSRAL and PESSRAE
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.