These Energy Star rated devices are built to deliver high performance while requiring just ~4.16 kWh/day
Fast Recovery and Re-Entry Times
This model offers a blazing fast recovery time of ~15 minutes after a 1-minute door opening.
Re-entry time (stabilization after door closure) reduced to just 60 seconds,
Warm-up times (from -80°C to -50°C) improved by up to 80% vs. older models.
Haier Ultra-Eco ULT freezers use natural hydrocarbons: R-290 (propane, GWP=3) / R-170 (ethane, GWP=6)
These refrigerants have near-zero environmental impact, addressing global sustainability goals and potential future refrigerant bans
Unit automatically adapts to user patterns and environmental conditions to optimize energy efficiency.
Equipped with two plug options (115V and 220V), works in any lab without requiring electrical modifications
Dual temperature sensors for redundancy.
VIP insulation allows 6 hours of thermal holdover in case of power loss.
Optional CO₂ or LN₂ backup systems for critical storage.
Self-diagnostics quickly detect compressor faults and trigger alarms
Hands down, this is the most energy efficient ULT among leading brands on the market
Haier DW-86L730BPT: ~4.16 kWh/day
PHCbi MDF-DU702VX-PA: ~6.5 kWh/day
Thermo TSX60086A: ~7.6 kWh/day
