Browse By Tags

  • Difference between AIRAH Gain and Summer

    Hi, I commonly use Hevacomp to calculate the maximum internal temperature for ventilated and non-ventilated enclosures as well calculating required cooling loads. I am currently modelling a pump station (approximately 3m long x 2m wide x 2m high) in…

  • Design Database - Average elevation angle for surrounding buildings, terrain and cityscape

    Hi there, I have a room where there is surrounding infrastructure/trees etc. I have played around with the "Average elevation angle for surrounding buildings, terrain and cityscape" function and found that increasing the angle will reduce the amount…

  • Summer Function - Room temp lower than ambient

    I have a room where I am trying to compare two materials on a given day using the Summer function. The issue I'm having is that beyond a certain amount of fresh air changes, the room temp is lower than the ambient temperature. The room with materials…

  • CIBSE Current and Future Summer Year Index

    CIBSE Current and Future Summer Year Index
    • SWEATHER.ndx

  • RE: Uncontrolled heat gains

    Hello, Please post your second question regarding CIBSE Heat Gain to a separate thread and I will try to answer it there. With regard your question on Summer - The Summer calc uses Operative Temp as defined in CIBSE Guide A5 Section 1.2.2. This equates…
Communities
Support and Services
Training and Learning
Social Media