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Last seen: May 14, 2025
James, On your question: Please explain why a higher flow rate is inefficient and undermines control. When a single pump serves multiple zones, ...
James, Your questions cut right to the core of why these discussions matter. One thing I’ve noticed over the years — and this thread really highli...
@jamespa Whether zoning is needed depends on how the occupants use the space, the layout of the house, and how heat losses vary between areas. It’s n...
The biggest mistake in zoning is basing the zones on superficial factors, such as dividing areas by North, South, East, West, or even upstairs and dow...
You’re absolutely right that many past attempts at zoning and hydraulic separation have failed to deliver the desired results. Poor results, short-cyc...
Hi Colin — you’ve clearly thought deeply about the system design, and your questions reflect exactly the kinds of practical challenges that are often ...
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Degrees of Separation
Latest Posts
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
That’s certainly a popular and widely held stance, but ...
By Majordennisbloodnok , 3 hours ago
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RE: Adventures in heat loss calculations
@rob-of-york In my experience, energy used to supply DH...
By Toodles , 5 hours ago
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Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
By bontwoody , 6 hours ago
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RE: Why don't people choose heat pumps?
Absolutely nothing in the regs prevents this, nor does ...
By JamesPa , 15 hours ago
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
@jamespa I agree, the efficiency of Cosy Cooler ought...
By Rob of York , 15 hours ago
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RE: How much of your renewable and home setup would still work if the internet went down?
I think you're right! 🤨
By Transparent , 1 day ago
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RE: Renewables & Heat Pumps in the News
ECO4 muddies the water somewhat, and then some. I thi...
By cathodeRay , 1 day ago
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
If there is a drain nearby that's exactly what I would ...
By JamesPa , 1 day ago
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RE: DIY powerflushing tutorial
This is what bacterial growth in UFH loops looks like. ...
By Pirate Rich , 1 day ago
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I think that CCGT plant in Lingen is more likely to suc...
By Transparent , 2 days ago
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RE: Heat Geek installations: share your experiences
@l8again fwiw my experience (Valiant but not with heat ...
By JamesPa , 3 days ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
@etchedpixels thank you for the advice paid cash all...
By Chilli304 , 3 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@susannasaunders An interesting conversation to have ...
By Rob of York , 4 days ago
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RE: Electricity price predictions
@rob-of-york sounds like a term that Heidegger would...
By Papahuhu , 5 days ago
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RE: Adding data centre electricity costs to domestic energy bills?
never ceases to amaze me.. Keeping steel works going ...
By Batpred , 5 days ago
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