Knowledge base
Articles that help when you're choosing a system, planning maintenance or facing a fault code.
What is VRF and how does it work?
The components and working principle of VRF (variable refrigerant flow) systems, their advantages, and what to watch in a project.
Read 5 min readHeat pump or heat-recovery VRF?
The difference between a VRF heat pump and heat-recovery VRF, which buildings suit each, and the cost-versus-comfort trade-off.
Read 6 min readVRF maintenance: how often, and what's done?
The scope and frequency of planned maintenance for VRF and AC systems, the leak-check obligation, and the signs that maintenance is due.
Read 4 min readA fault code on your AC: what to do?
What to do when a fault code appears on a VRF or split AC, what to avoid, and what to pass on to the service team.
Read 5 min readHow to cut after-hours AC consumption
Why ACs stay on after close in offices, stores and schools, how to see it, and how to cut it with schedules, setpoint limits and measurement.
ReadQuestion not covered here?
Describe your system and your question; the right team will answer.