Fgas legislations also call for a signed up Refcom engineer to do refrigerant gas log records. https://vsaiw7xpssf55zyi3gu7qlix23m5dvctkawby3s27l4u2xcyvnjq.webpkgcache.com/doc/-/s/www.webwiki.de%2Ftwickenhamhvac.co.uk%2Fair-conditioning-installation.html