Homeowners and portfolio accounts your techs have registered systems for. Mixed scope: a few high-volume portfolios, many individual homes.
Your internal record of work performed — derived from the registry. Useful for billing reviews, account audits, and customer relationship handoffs.
Every HMIN and HEIN below is registered to Harmelo Mechanical Ltd. Your service record survives technician turnover, customer changes, and ownership transfers. The relationship to the asset is permanent.