27.220 : Heat recovery. Thermal insulation
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NF ISO 21901, P75-487 (08/2021)
Thermal insulation - Test method for thermal diffusivity - Periodic heat method - Isolation thermique - Méthode d'essai pour la diffusivité thermique - Méthode de chauffage périodique
8/1/2021 - Paper - French - AFNOR
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NF EN 13141-7, E51-729-7 (04/2021)
Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 7 : performance testing of ducted mechanical supply and exhaust ventilation units (including heat recovery)
4/1/2021 - Paper - French - AFNOR
Learn More€119.00 -
€75.67
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NF E31-010 (04/1994) (R2004)
Water heat recuperators places in the hearth of decorative fireplaces using solid fuel. General safety regulation.
4/1/1994 - Paper - French - AFNOR
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NF X10-025 (12/1991)
Thermal insulation. Determination of steady-state thermal resistance and thermal conductivity. Heat-flowmeter method. - Isolation thermique
12/1/1991 - Paper - French - AFNOR
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NF X10-021 (12/1972) (R2012)
Slightly conductive materials. Determination of thermal conductivity. Method using guarded hot plate with symmetrical samples.
12/1/1972 - Paper - French - AFNOR
Learn More€75.67