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Last seen: Aug 18, 2026
That sounds quite high, but of course I dont know much about your house or how much DHW you use. My total January electricity consumption (minus 1 d...
@bobtskutter Thats about how I understand it. To simplify it down, as well as a loss from conduction (to the outside air) and ventilation, the vario...
I dont think so. Essentially with TRVs, smart or otherwise, bits of the the system are likely to be shutting down or opening up to control the room t...
Heat loss (and therefore the energy you need to supply) is proportional to (house temp - OAT). Note that the house continues to lose heat even if the...
Sorry for not explaining the graph. Each point represents one day. The horizontal axis is the degree-days figure for the day (degree-days is a sligh...
If the halo has an inbuilt temp sensor (which I imagine it does, but check) then you can leave the control unit in the loft. The latter, or e...
By 'flow' I presume you mean FSV parameter 2021. I am assuming you have left 2011 constant (at what value) As I mentioned earlier, consumption over...
I haven't used named ranges either more than a couple of times previously, but I found following the formulae with eg d23^d22*d2/2 difficult to follow...
You have answered your own question, at least in part In addition the pumps either side often aren't balanced properly so you get mixing, resulting i...
Unless its 'out of range' I dont think it materially affects COP (directly) which is why you wont see it plotted. The essentials of water flow are ...
Maybe With 6 fan coils you probably do need a volumiser (2 port buffer) because of low system volume, but fan coils alone aren't sofaik an argument ...
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The Mitsi remote thermostat should not be plugged into ...
By F1p , 8 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie Thank you, very interesting and useful informat...
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
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Readers here please note that Derril Water and many oth...
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RE: Is it the house or the equipment?
- Comfort and silence (for heating) - Heat storage wi...
By bobflux , 16 hours ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
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RE: Heat Pump Training vs. Real-World Installation
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
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Of course, what do you expect, human beings are human b...
By JamesPa , 17 hours ago
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Old thread but I'm new to the forum so new to me. How...
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I'm not sure why you would want to make it more difficu...
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RE: Wood burner with ASHP - direct air?
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