THE NUMBERS BEHIND THE DOORWAY
Where the energy hides. Refrigeration is the single biggest electrical load in most cold storage and food retail environments. The cold room is where the kWh hides — and the doorway is where the kWh escapes. The numbers below come from independent research, peer-reviewed studies, and published industry benchmarks.
up to 80 %
1–3 yrs
60–70 %
~65 % Reduction in air infiltration vs an open single door; vestibules achieve only ~23%.
Reduction in energy loss through an open doorway with a correctly specified air curtain.
Typical payback period for a cold room air curtain in UK retail conditions.
Share of electricity used by refrigeration in a typical cold storage facility.
Source: International Journal of Refrigeration / London South Bank University.
Source: independent CFD field studies, manufacturer test data.
Source: Air Movement & Control Association International (AMCA) research.
Source: Thermoscreens real-site ROI data; multi- manufacturer benchmarks.
30–40 % Energy saving achievable in a cold store through better operation, repair and doorway retrofit.
300 + Times a busy supermarket walk-in cold room door is opened per shift — each one a heat-exchange event.
~3 % Share of total UK electrical consumption from retail food outlets — cold rooms a dominant share.
−25 ° C Lowest operating temperature for the Thermoscreens CS and Slimline CS cold store air curtains.
Source: London South Bank University refrigeration research benchmarks.
Source: published retail back-of-house operational data.
Source: ScienceDirect / Tassou et al., refrigeration in food retail.
Source: Thermoscreens CS / SLCS product specifications.
Energy savings and payback are site-specific; figures shown represent typical UK retail and cold chain operating conditions. Thermoscreens can model expected savings for a specific doorway and operating profile on request.
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