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Last seen: Sep 22, 2026
reposted because it got out of sequence somehow As stated upthread about 2-3% per deg C, but if you want an accurate number check your system...
As stated upthread about 2-3% per deg C, but if you want an accurate number check your systems data tables. Throttling is a different phenomenon whi...
Agree. Doubly so with retrofits, where system design in the context of the specific house is the key to an implementation which is effective, cost ef...
Spot on IMHO and my studying, like yours, of manuals, posts and the various other info available.
Thats from Freedom, what does the OEM actually say Here is the system diagram from page 4 of the Midea manual. No buffer tank, LLH or PHE in sight.
In fairness to the manufacturers I think that most of the critical tests are done to BS/EU standards, and they generally quote the numbers. The stand...
And as i point out above, its easy to work out roughly how much its costing. Measure the flow to flow temperature drop across the llh and reckon on 2...
It's a fair question There are two approaches to answering it I can think of. 1. Measure the flow-flow temperature drop across the llh. For each...
Going back one step, what's the llh there for? Buffers of a sufficient size correctly plumbed can be made to work (as in not materially compromise p...
Well said! I (and I suspect many others) have met a fair few installers who don't seem to accept this!
Given that my advice is be patient. If you haven't already, get your system set up so that it should work well as the designers intended it to. That ...
Interesting, is this to get the house temp right or just the flow temp. Intuitively would have thought that the latter should be quite straightforwar...
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RE: Cooling using an air to water heat pump
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RE: Why are ASHP installs so expensive?
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@mrkfm There are some bad installers out there, both ...
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