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I welcome all suggestions, good or bad because it gives me a direction to look at and help in knowing the options out there. I am warming to the idea of some stored water and some directly heated mains water. This seems to me to solve both the limited amount of space and the need for peak...

Sounds like an excellent solution to me. So two boilers to get good heating and then a single 500 litre tank that actually fits into the low ceiling space. What comments on the HRS Hevac semi-instananeous tank mentioned earlier. Is this directly heated mains supply with an additional storage...

You are quite right, I have very little knowledge about the options which is why I am exploring all possibilities. We currently have a floor mounted boiler, because it is not easy mounting a wall mounted boiler on a medieval wall. Anything that does not affect the building and allows it to...

I know very little about thermal stores except the principle so I thought it was worth asking if I could save some space. Also I have quite a challenging site to work on, the building is medieval, listed in a conservation area and getting permission to do anything is frankly a nightmare...

Of course the actual design, installation, commissioning will be given to a firm of professionals but I find it helps choose which professionals to use if you have some idea of the solution you want. I am trying to weigh up the advantages and disadvantages of: a) unvented cylinders (already...

The original main was 15mm and has to supply the guesthouse and another building. One consideration in favour of a new larger main is that we are very short of usable space and since this is a historic building, difficult to add more. So a pipe in the ground (allowed by the planners God Bless...

If we are talking about upgrading the boiler then we must add a further three rooms and 7 people which are currently serviced on a separate zone with its own Ariston 210 litre unvented cylinder. So the boiler would have to service all three Megaflows for DHW and the CH demand as well.

Hello I run a guest house with 7 room, (up to 16 people) which has 2 baths and 5 showers and 7 basins. We also run the kitchen sink from the DHW supply, one commercial dishwasher and two commercial washing machies from the DHW supply. Currently we have a 36KW boiler and a traditional gravity...