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ISO 5149-4:2022PublishedRefrigerating systems and heat pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recoveryISO 5149-1:2014PublishedRefrigerating systems and heat pumps — Safety and environmental requirements — Part 1: Definitions, classification and selection criteriaISO 5149-2:2014PublishedRefrigerating systems and heat pumps — Safety and environmental requirements — Part 2: Design, construction, testing, marking and documentationISO 5149-3:2014PublishedRefrigerating systems and heat pumps — Safety and environmental requirements — Part 3: Installation siteISO 5151:2017PublishedNon-ducted air conditioners and heat pumps — Testing and rating for performanceISO 13253:2017PublishedDucted air-conditioners and air-to-air heat pumps — Testing and rating for performanceISO 13256-1:2021PublishedWater-source heat pumps — Testing and rating for performance — Part 1: Water-to-air and brine-to-air heat pumpsISO 13256-2:2021PublishedWater-source heat pumps — Testing and rating for performance — Part 2: Water-to-water and brine-to-water heat pumpsISO 13261-1:1998PublishedSound power rating of air-conditioning and air-source heat pump equipment — Part 1: Non-ducted outdoor equipmentISO 13261-2:1998PublishedSound power rating of air-conditioning and air-source heat pump equipment — Part 2: Non-ducted indoor equipmentISO 13612-1:2014PublishedHeating and cooling systems in buildings — Method for calculation of the system performance and system design for heat pump systems — Part 1: Design and dimensioningISO 13612-2:2014PublishedHeating and cooling systems in buildings — Method for calculation of the system performance and system design for heat pump systems — Part 2: Energy calculationISO 13971:2012PublishedRefrigeration systems and heat pumps — Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes — Requirements and classificationISO 14903:2025PublishedRefrigerating systems and heat pumps — Qualification of tightness of components and jointsISO 15042:2017PublishedMultiple split-system air conditioners and air-to-air heat pumps — Testing and rating for performanceISO 16358-1:2013PublishedAir-cooled air conditioners and air-to-air heat pumps — Testing and calculating methods for seasonal performance factors — Part 1: Cooling seasonal performance factorISO 16358-2:2013PublishedAir-cooled air conditioners and air-to-air heat pumps — Testing and calculating methods for seasonal performance factors — Part 2: Heating seasonal performance factorISO 16358-3:2013PublishedAir-cooled air conditioners and air-to-air heat pumps — Testing and calculating methods for seasonal performance factors — Part 3: Annual performance factorISO/TS 16491:2012PublishedGuidelines for the evaluation of uncertainty of measurement in air conditioner and heat pump cooling and heating capacity testsISO 16494-1:2022PublishedHeat recovery ventilators and energy recovery ventilators — Method of test for performance — Part 1: Development of metrics for evaluation of energy related performanceISO 18107:2026PublishedVariable refrigerant flow air-to-air conditioners and air-to-air heat pumps — Testing and calculating methods for seasonal performance factors and energy performance mapping approachISO 18326:2018PublishedNon-ducted portable air-cooled air conditioners and air-to-air heat pumps having a single exhaust duct — Testing and rating for performanceISO 19967-2:2024PublishedAir to water heat pumps — Testing and rating for performance — Part 2: Space heating and/or space coolingISO 19967-1:2019PublishedHeat pump water heaters — Testing and rating for performance — Part 1: Heat pump water heater for hot water supplyISO 21922:2021PublishedRefrigerating systems and heat pumps — Valves — Requirements, testing and marking