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Last seen: Aug 25, 2026
For those that have followed our heat pump journey here are two more videos on on our heat pump, and there are a lot of lessons to take away. First ...
Still on topic so hopefully not too much of a hijack... we've just published our first pipe sizing calculator, specifically for the primary external r...
@swwils sounds interesting. Would be interested to see this. Can you email it to me?
@mjr completely fed up with the AI drivel flooding social media and we’re staying vigilant here.On this main site, Wattson only answers from content I...
Does anyone think it would be helpful to have this as a simple calculator on the site?
@jamespa, for all I know they did have the coupling and it was just tossed in the bin! 🤣
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Degrees of Separation
Latest Posts
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 39 minutes ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
It can be done but really, really, don't, you will regr...
By JamesPa , 42 minutes ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
I think this calculation goes the other way. 3.54kW ga...
By JamesPa , 55 minutes 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 , 17 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 17 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 18 hours 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 , 1 day 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 , 2 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 , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 4 days ago



