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]

Disclaimer:
The results presented here are the responsibility of the organization or person who entered the data.
Since the user's method of application and the data entered are beyond our control, Dan-iso A/S cannot assume responsibility for the results
unless the user has previously obtained and received our written confirmation that the calculations are suitable for the specific purpose.