AHRI Standard 700 – The Benchmark For Reclaimed Refrigerant
Learn about the importance of reclamation to AHRI Standard 700 for the HVAC-R industry in Singapore.
Introduction
In line with international best practices, refrigerants that will be reused in systems other than the one they were recovered from must be tested and, if necessary, reprocessed to meet AHRI Standard 700 specifications.
As Singapore moves towards a net-zero future, reclaimed refrigerants will play an important role in supporting sustainable refrigerant management.
It is essential that all stakeholders – technicians, contractors, system owners, and policymakers – understand what AHRI Standard 700 specifications are, why they matter, and how poor-quality refrigerants can impact the HVAC&R industry.
What is the AHRI Standard 700
The AHRI Standard 700 Specifications for Refrigerants is a globally recognised standard for refrigerant purity and quality used in air conditioning and refrigeration systems. It also defines the approved test methods for analysing refrigerants - tests that are conducted by A-Gas Singapore’s onsite laboratory.
The standard establishes purity requirements, verifies composition, and specifies test methods to ensure refrigerant acceptability, including CFCs, HCFCs, HFCs, HFOs, and hydrocarbons. These specifications apply to all refrigerants used in new or existing HVAC&R systems, whether the refrigerant is new, reclaimed, or repackaged.
A-Gas supplies reclaimed refrigerants that comply with AHRI 700 Standards and are certified by the Singapore Green Building Council.
Why AHRI Standard 700 Matters
Reclaimed refrigerants are a vital part of sustainable refrigerant management, and it is essential that they comply with AHRI Standard 700 specifications to ensure they meet international quality standards and are fit for purpose.
At A-Gas, our advanced separation technology and on-site laboratories enable us to process, and thoroughly test refrigerants, reclaiming them back to virgin grade AHRI 700 standards.
Using AHRI 700–compliant reclaimed refrigerants gives servicing contractors and system owners peace of mind that critical systems will perform efficiently and reliably, reducing the risk of system damage and costly repairs caused by poor-quality gas.
Ensuring Your Reclaim Refrigerant Meets AHRI Standard 700
Testing recovered refrigerant to determine its conformance with AHRI standards is an essential first step for potential reuse. If tests indicate that the refrigerant does not meet allowable purity or contaminant levels, it must be reclaimed to remove impurities and restore the required quality.
The reclamation process can include processing the used refrigerant through filters, dryers, non-condensable gases removal equipment and separation/distillation, to return it to virgin grade specification. All AHRI quality parameters are then verified using the analytical methods prescribed in the AHRI standard to determine whether the reclamation process has been successful, and the refrigerant is fit for re-use.
An additional benefit of assessing refrigerant quality is that it enables system owners to diagnose potential issues and helps contractors establish a baseline for future maintenance or work.
AHRI Standard 700 – The Benchmark For Reclaimed Refrigerant
As the industry increasingly becomes reliant on the supply of reclaim refrigerant to meet demand, ensuring the use of AHRI 700 reclaimed refrigerant reduces the risk of potential equipment damage and poor efficiency from non-certified or untested, low purity refrigerants.
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