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Iceverge last won the day on April 14
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Have you done the calculations on it? I suggest you do to get a feeling of how little a difference thermolites make. I wouldn't use them. To cracky and brittle and expensive. There's airtightness and then there's airtightness. Ok might be the best you can do with dot and dab if you're careful but wet plaster is the way forward if you want a really tight house. We got well below passive requirements on ours.
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All understood, Perhaps I'll rephrase my question. Do you keep your house at the same temperature 24/7 ? When we rented a cottage we never used the heating unless we were in situ as it lost heat very quickly, almost to the point of being as cold as outside. The heating came on perhaps from 7-8am and then from 6pm until bedtime when we got home from work and maybe once or twice in the night time. Of course it's wasn't the most comfortable but it was the most economical use of oil for us.
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Is your house kept at the same temperature constantly or do you intermittently heat it?
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Why are these an issue? I would have thought they would reduce cycling in times of low demand? (A2A in our house not A2W so a bit ignorant of some of it).
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Best pipe insulation and where do I need it?
Iceverge replied to MikeSharp01's topic in General Plumbing
The physics doesn't work out for insulating pipes in a radial or trunk and branch setup. The insulation doesn't stop the transfer of heat, merely slows it. There is simply too little water in the pipes, too much surface area and too little depth of insulation to meaningfully retain any hot water in the pipes between uses in a house. In other words it will cool to room temperature whether you insulate it or not between average tap usage intervals. Your time is far better spent on minimising the volume of water in your dead leg by short runs and thin pipes etc. There is a difference where the pipe is always hot like a HRC ( a symptom of bad house design in my opinion) which should be massively insulated or pipes coming from an UVC. These continuously loose heat as it is internally replenished. Another thing to consider is heat loss through convection. Any pipes rising vertically from a permanent source of heat will be prone to this. It may be desirable in the case of a preheated hot water manifold ( I did this ) but usually it's not ( I accidentally did this for my control block for the UVC). -
Most of us are wise enough to accept there is nuance in the specific install case for each heat pump. Some nuance that is missed is different usage and heating patterns of different houses. If you require your house (no matter it's energy loss) to be at a fairly constant warmth then ASHP are a good option, comparable to fossil fuel. Retired folk or WFH for example. However for the house that is only heated briefly in the AM and PM for 9-5 workers domestic heat pumps don't have enough power to cope with this in old houses where as boilers do. For similar performance with an intermittent heating strategy you'd need replace this: With something like this:
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Best pipe insulation and where do I need it?
Iceverge replied to MikeSharp01's topic in General Plumbing
It's 's a waste of effort insulating any pipe that is only occasionally heated up like pipe runs to basins etc in my opinion. Anything that's permanently hot like a hot return loop or pipes attached to a cylinder need to be well insulated. As for cold, it depends, if you are showing no evidence of condensation on them I wouldn't bother. -
How would you update the front of this bungalow?
Iceverge replied to LDNRennovation's topic in New House & Self Build Design
I wouldn't paint it, you'll be stuck painting it forever. Work with what you have is my opinion. Before going anywhere near EWI let's start at the start. 1. How to you currently ventilate the house? Extractor fans and tickle vents? 2. What's the airtighess situation? Is the house very drafty? 3. Insulation. Do you have attic insulation and cavity wall insulation? Sort things in this order. -
How would you update the front of this bungalow?
Iceverge replied to LDNRennovation's topic in New House & Self Build Design
Too late.......... Probably. -
A2A here. It's working pucker. You can hear the fan but it's not bad. Estimate cop is 3-3.5. cost €1500 installed, eBay and cash to a mate for Fgas. Daikin FTXM25R.
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There's a sniff of some other axe being ground here. My gut feeling is that some egos were bruised about the moderate success of ED outside the BBC and tightened the leash to reassert authority.
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Bathroom Layout - Too Narrow?
Iceverge replied to richo106's topic in Bathrooms, Ensuites & Wetrooms
A quick run of sketchup copying the above idea. Stud out the end to make a bath fit tightly, Have a wetroom shower adjacent. Bidet + Bog Vanity. I'd put a few cabinets above the toilet/bidet for storage. I would probably opt for a sliding shower door as my children are feral and maybe a 1700mm double ended bath as I'm tight with using too much water. As for shampoo storage, I reckon a hook in the ceiling for a basket to carry shampoo etc is the best way to avoid scum in niches etc. I'd prefer to keep the toilet away from the door for the sensibilities ( and tender ear drums) of other house occupants. -
Should probably ban anyone who exhales CO2 as well, or buys or uses any petroleum products, or any renewable energies too for that matter. Or anyone who deliberately avoids using oil based products, or people who refuse to breath as they're hardly independent.