Insights

Engineering explained for decision-makers

Technical criteria, efficiency and maintenance — straight to the point.

Chiller or VRF? How to choose the right system for your building

We compare chilled-water and variable refrigerant flow systems by size, use, maintenance and lifecycle cost.

Common symptoms of an inefficient HVAC system and what to check before it becomes a failure or a higher bill.

How to set preventive maintenance frequency by equipment type, usage and environment.

Tell us what you need to cool, refrigerate or optimize. A GreenAir engineer will reply with a technical proposal.