Calculate energy savings: insulated air ducts (round)

in accordance with DS/EN ISO 12240

Uisoleret installation

Enter data for your non-insulated air duct.

Ambient temperature [°C]
Media temperature [°C]
Air duct diameter [mm]
Total length [m]
Surface of media pipe	--Choose pipe surface-- Aluminium, polished 0.05 Aluminium, oxidized 0.13 Stainless steel 0.15 Aluminium, zink 0.26 Galvanized steel, polished 0.26 Galvanized steel, dusty 0.44 Copper, 0.75 Plastic / Black pipe 0.85 Non-metallic 0.94
Duct orientation	--Choose air duct orientation-- Horizontal → Vertical ↑
Duct location	--Choose air duct location-- Indoors Outdoors
Wind velocity [m/s]
Flow velocity [m/s]

Calculate heat loss

Results.

Temperature difference [°C]
Heat loss per meter, non-insulated [W/m]
Heat loss in complete installation, non-insulated [W]

Insulated installation

Enter insulation data

Insulation thickness [mm]
Dan-iso Product	--Choose Dan-iso Product-- Dan-iso PUR half shells 60kg Dan-iso PUR half shells 35kg Dan-iso PIR half shells
Outer surface of insulation	-- Choose insulation surface-- Aluminium foil 0.05 Polyurethane (raw) 0.75 UVP coating 0.85 EC coating 0.94

Calculate your savings

Temperature on insulation surface [°C]
Heat loss per meter[W/m]
Heat loss in complete installation [W]
Your total savings [W]