COMING SOON
REED
Regulating Efficiency & Emissions Device
A fluidly connected HVAC-R optimisation system that changes refrigerant charge in real time—reducing compressor load, recovering stored energy and detecting leaks that conventional controls cannot see.
25–50%
Electricity reduction range
40.05%
Average annual case-study saving
21 t
CO₂ reduction per year
3.45 yrs
Case-study ROI
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What REED actually does
Matches the refrigerant charge to the load—not to a fixed design point.
Conventional HVAC-R systems operate with one fixed refrigerant charge even though temperature, humidity and cooling demand change constantly. REED opens the refrigerant circuit, removes charge when it is not required and returns it when operating conditions demand it.
The result is the correct amount of heating or cooling for the least electrical input—while reducing pressure and work at the compressor.
Dynamic charge optimisation
REED moves refrigerant to where efficiency needs it.
A custom digital sensor suite measures system conditions continuously. Deterministic AI then controls refrigerant movement with a clear, repeatable relationship between load, pressure and delivered capacity.
Sense demand
REED reads pressure, temperature, energy use and changing environmental conditions across the refrigeration circuit.
Remove excess
When conditions do not require the full fixed charge, REED removes refrigerant and reduces pressure on the compressor.
Store potential energy
Removed refrigerant is held at compressor-generated high pressure—functioning as a refrigerant energy reserve.
Return and boost
When load rises, the stored refrigerant returns to the circuit and provides an energy boost that reduces compressor work.
How REED relates to HDAC: REED provides the measurement, deterministic AI, dashboard and predictive-maintenance benefits of the HDAC platform, then adds direct refrigerant-circuit optimisation, stored-energy recovery and advanced micro-leak capability.
Efficiency, stored energy and leak intelligence in one system.
The REED difference
01 · CHARGE
Dynamic optimisation
Continuously matches active refrigerant charge to real demand instead of forcing the compressor to work against a fixed compromise.
02 · BOOST
Refrigerant energy battery
Stores removed refrigerant at high pressure and returns that potential energy when the circuit needs additional capacity.
03 · PROTECT
Leak detection and mitigation
Detects and mitigates intermittent micro- leaks that occur under pressure, reducing refrigerant loss and fugitive emissions.
Complete operational intelligence
REED does more than move refrigerant.
Measured and metered savings
Power meters on the system and every compressor connect electrical input to real heating and cooling output—creating transparent before- and-after evidence.
Deterministic AI control
Every adjustment follows visible cause-and-effect data between energy use, refrigerant conditions and system performance.
Predictive maintenance
Continuous analysis identifies faults and inefficiencies before they escalate, reducing downtime and shifting maintenance from reactive to proactive.
Portfolio dashboard
Executive, service and daily views organise performance from the full property portfolio down to individual compressors and circuits.
Verified in the field
Government site. Real equipment. Fifteen months of evidence.
A Western Sydney installation on an 18-month-old, 73 kW variable-capacity packaged unit documented material energy, carbon and financial outcomes under operating conditions.
Product-page case-study information published by Cresstec. Site-specific performance depends on equipment, load, tariffs and operating conditions.
40.05%
Average annual energy savings
Client
Australian Government
Partner
BGIS
Equipment
73 kW variable-capacity packaged unit
Study period
15 months
CO₂ reduction
21 tonnes per annum
Return on investment
3.45 years
Retrofittable and transferable
Upgrade the installed asset without waiting for replacement.
REED is installed by the existing mechanical services team, requires no specialist programming and can be transferred when the HVAC-R plant is upgraded. That protects the value of the technology across the asset lifecycle.
Fugitive-emissions control
Detects and mitigates refrigerant loss under pressure
System compatibility
Commercial and industrial HVAC-R applications
Reporting
Energy, emissions and ESG evidence from system to compressor
Warranty
Comprehensive three-year Cresstec product warranty
Control the refrigerant. Reduce the load.
Start with one system and prove what dynamic charge optimisation can deliver.