It's important because I don't know what it is. If I don't make any allowance for heat loss through the floor, the room(s) may be under heated(cool).
What I don't want to do is just guess it or put an allowance in. I'd rather know the theory/calculation behind it.
Can you assist?
I am struggling with calculating the heat loss through the ground floor of an internal room.
Walls, roofs, windows etc. no problem as I have a design external temperature (I use -8C) and known u values and the infiltration rate. For the floor of an internal room I can calculate the PA ratio of...
I've been struggling with the application of Loading Units on hot and cold water supplies and BS EN 806. In theory this is a simple method of adding up the units to conclude what supply is required. But what I don't know is whether the loading units allow for both hot and cold water i.e. do you...
Thanks everyone.
I know that's it's a bit of a strange situation, but the Client has asked us to investigate it. Just to give you the whole story, it's a single bed holiday lodge with no kitchen. It has only a shower and WHB, hence he thinks that the load will be low. But inevitably, someone...
Thanks for the replies.
I know the water heater has a small capacity, but this is what the Client has suggested (for a one bed holiday lodge). I need to have the facts before I go back to him and and tell him it's only going to last 20 mins (or whatever).
My calcs show that the ratio of hot to...
I have an interesting problem that I am struggling to solve.
I am working on a residential project in which the client would like to install a 100L water storage heater to provide hot water to a shower. The hot water heater has 2No. 6kW elements and the water flow required is 0.15 L/s to the...