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Last seen: Sep 19, 2024
From the tests and observations I have performed, much depends on the climatic conditions, the thermal mass of your home, personal preferences along w...
@iantelescope How are you obtaining and recording the data for the graphs? On the Power kW graph, what is the scaling of the horizontal axis? Is t...
Take a hypothetical home, with a calculated heat loss of 12 kW at an outside temperature of -3C, when maintaining an indoor temperature of 21C. So f...
@mike-h I find a better analogy to represent a home, is a smaller vessel containing equidistant pins holes (heat loss) located inside a larger vesse...
@iantelescope Mounted in parallel with the PHE, the buffer tank is more like having a low value resistor in parallel with a higher value resistor (P...
@iantelescope It may be beneficial to understand why a heat pump may cycle, and then look at ways in which the cycling may be stopped or at least re...
If my memory serves me well, the Human Machine Interface (HMI) is often located on the main controller, which is usually placed in the airing cupboard...
Where is your FTC controller located?
@iantelescope I have worked with French engineers, I was not impressed.
@iantelescope I afraid that your analogy of a buffer tank being the same as a capacitor is flawed. For a buffer tank to be similar to a capacitor it...
In the Kendra example, note the position of the circulation pump, which is after the buffer tank, and I suspect would only work with any degree of eff...
Current Frequency could be in relation to the compressor speed, since it is controlled by a variable frequency drive. Evaporator Steps may relate to...
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Degrees of Separation
Latest Posts
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Glass lined Cylinder for private water supply
My journey toward a heat pump continues, albeit slowly:...
By ian33a , 2 hours ago
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RE: Switch suitable to change between two inverter CT's
@bobflux thanks, this is the CT I got recommended for m...
By Jancold , 5 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 1 day ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 3 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 3 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 3 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 3 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 3 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 4 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 5 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 5 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 6 days ago
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