A home energy management system coordinates loads; its value depends on the control functions actually supported by the equipment. This guide is for installers and buyers checking interoperability. It does not assume that every heat pump supports SG Ready, Modbus, EEBUS or remote compressor control.
Interfaces and control permissions
For the exact model and firmware, request the interface manual, contact logic or register map, supported read/write points, units, limits and permissions. A read-only energy value is not a writable compressor command. A protocol name does not prove two vendors implement the same functions.
Safety and operating limits
Define authority between the heat-pump controller, room controls, hot-water priorities and external manager. The external system should operate within manufacturer limits and preserve comfort, hygiene and protection functions. Avoid frequent mode switching or temperature boosts without evaluating cycling and efficiency.
Commissioning and handover
Test loss of internet, unavailable price data, communication timeout, reboot and manual override. Confirm the documented fallback rather than assuming weather compensation automatically resumes. Control settings for backup heat require particular care because they can change peak electrical demand.
Supplier evidence and responsibilities
Evaluate savings using the actual tariff, useful demand, time flexibility and storage losses. Record commissioning tests and the software version. For B2B orders, agree who supports firmware updates and cross-vendor faults. Solar and battery sizing belongs in the separate generation-and-storage guide.
Sources and further reading
Before requesting a project quotation
| Check | Information to prepare |
|---|---|
| Project scope | State the country, project type, operating conditions and required delivery date. Identify which decisions still need an installer or designer. |
| Topic-specific evidence | a firmware-specific interface list and control permissions |
| Responsibility and acceptance | Record who supplies, installs, commissions and services the equipment. Ask which documents and checks are included, and confirm exclusions in writing. |
This checklist helps define a request; it is not a model performance claim, installation design or promise of availability.
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