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Dear All I am planing to insulate the air duct serving a drying cabinet in my plant. Surrounding temp = 22degC Air temp at dehumidifier = 36degC Air temp at drying cabinet = 28.5degC Temp drop along the duct = 7.5degC How could I do simple calculation to estimate heat transfer coefficient of...

I am planning to place orders of supply diffusers for commercial kitchen area. In manufacturer catalouge, two types of material are found - Steel and Aluminium. A colleague advised me to order Aluminium. But I feel Steel will be better for surface cleaning. What do you prefer to? regards

Hi IrStuff This is for a restaurant. thanks

Hi, I am working to size a kitchen hood exhaust fan and have a simple question of air stream temperature recommended. regards

Hi GMcD and imok2, Thank you very much for your reply.

When making HVAC duct layout, do I need to specify volume control damper in branch duct if ceiling supply diffuser has the opposed blade damper? Otherwise, having VCD in branch duct, shall I specify ceiling supply diffuser without OBD? Please advise. thank you.

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To - anybody who is familiar with California Title 24 compliance calculation program EnergyPro. I am very new user of energy pro. My office usually uses prescriptive calculation for all projects. My simple question is that after runing prescriptive calculation for a building, how I can...