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Last seen: Mar 14, 2024
I would contact your home insurance company they would normally cover this with their track and track service I would have thought. With 400 ltrs a d...
@derek-m The original heat loss had a design temperature of 50c based on -2.2c external temp and 21c desired internal temp
From the heat loss survey it looks like upstairs has a heat loss of 5.69KW. I've also been told that some heat loss calculations are overly conservat...
@william1066 Grant engineer said the flow rate would be lower with DHW because it's heating to a higher temperature unlike the heating circuit
Ok thanks for this I think it's becoming clearer to me what needs to be done from all of your suggestions. Maybe this is going to be a bigger job tha...
@heacol thanks for all your responses. The problem I have is when the Grant engineer came he disconnected the HP from the system and connected his fl...
So the recommendations were coming from a heat geek installer who I would have expected to know about system design and his suggestion to use 35mm was...
Quick update - I had an heating engineer take a visit to our place and has suggested the following : - Change the 28mm primary heat pump piping to 3...
This is what I found behind the reason for installing a combined volumiser/low loss header -
@shapingstuff a secondary circulating pump will reduce the temp in your cylinder quite quickly and will be expensive to run if it's on all the time. ...
@bretix It was actually part of the RHI scheme so I got a rebate back for installing the metering and monitoring package - a bit of a no brainer for m...
@allyfish Interesting would be a good option as a backup should the ASHP were to fail and we needed at least some minimal heating in the colder months
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Degrees of Separation
Latest Posts
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 7 hours ago
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RE: Adventures in heat loss calculations
yes and no. apparently HG’s AI was automatically assumi...
By Batpred , 7 hours ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 8 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@rob-of-york Thank you for that, whilst familiar with t...
By kilgorexv , 8 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 8 hours ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 12 hours 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 , 3 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 , 4 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 , 4 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 , 4 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 , 4 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 , 5 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 5 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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