THE COST OF THE OPEN DOOR
You're heating the high street. Open doors in high-street retail can account for up to 60–80% of a building's total heating or cooling loss. For a typical retailer that's hundreds of pounds escaping every week. The numbers below come from independent research, peer-reviewed studies, and published industry benchmarks.
60–80 % Of a retail building's total heating or cooling loss can occur through open doorways.
up to 86 %
£1.5k–£4k Annual wasted heating from a single open doorway in a typical 200m² UK retail unit.
56 %
Reduction in entrance infiltration loss with a correctly specified Thermoscreens air curtain.
Share of total energy use in UK commercial buildings attributable to space heating.
Source: Thermoscreens analysis aligned with CIBSE Guide A.
Source: independent testing to EN 16101:2012 (European air curtain standard).
Source: Thermoscreens / DESNZ GHG Conversion Factors 2024.
Source: Carbon Trust commercial buildings energy benchmarks.
up to 30 % Footfall reduction reported by retailers when entrance doors are kept closed.
6–24 mo
up to 4.5 m Maximum mounting height served by the Thermoscreens high-throw range — PHV and HX Series.
Part L ESOS
Typical payback period for a retail air curtain at current UK commercial energy tariffs.
Entrance infiltration routinely flagged in ESOS audits; Part L mandates minimising energy waste.
Source: published UK high-street retail footfall studies.
Source: Thermoscreens ROI calculations; multi- site retailer benchmarks.
Source: Thermoscreens PHV / HX product specifications.
Source: UK Building Regulations Part L; ESOS scheme guidance.
Energy savings and payback are site-specific; figures shown represent typical UK retail operating conditions. Thermoscreens offers free site surveys to calculate site-specific ROI.
Made with FlippingBook - PDF hosting