Search with Wattson
Activity
 
Notifications
Clear all

Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!

JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Oct 27, 2026
Topics: 28 / Replies: 5533
Reply
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?

Your house sounds a lot like mine. 2 surveyors each spent 3 hours to declare the loss to be 16kW, my own calculations (using MCS assumptions) came ou...

2 weeks ago
Reply
RE: Heat pump branding. Clever, contemporary… or a bit too much?

Im a scientist/engineer by training, so in principle I hate branding bollox. Nevertheless I agree with you because I recognise that not everyone has ...

2 weeks ago
Reply
RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?

Thats true only if you do the wrong experiment. Done correctly (eg by plotting daily energy consumption vs daily mean OAT, or even just measuring ann...

2 weeks ago
Reply
RE: Renewables & Heat Pumps in the News

I imagine it will have a catch tank otherwise it becomes a fixed appliance. Quatt do something possibly similar here I can definitely see that th...

2 weeks ago
Reply
RE: Missing flow temperature in Heat Geek proposal

Good plan. If you can get half hourly meter readings and, if your house temperature isnt moderately constant log indoor temperature if you have a sui...

2 weeks ago
Reply
RE: Why are ASHP installs so expensive?

@scrchngwsl Absolutely, productize and simplify. Quality and volume would go up, costs would go down, any plumber could do it given a change in the r...

2 weeks ago
Reply
RE: Why are ASHP installs so expensive?

The principle is sound and indeed its what I did. I think the challenge is making it a practical commercial proposition!  

2 weeks ago
Reply
RE: New GSHP idea / concept

Worth a back of an envelope calculation. The specific heat capacity of water is 4.2 kJ/kgK. So if I heat at 20000 l tank by say 20C it takes 4.2*2...

2 weeks ago
Reply
RE: Passiv Smart Thermostat - Help & Forum Support

@energystoragetech   The heat capacity of some (many?) houses is pretty large, so there is a lot of smoothing. My house, for example, has a ...

2 weeks ago
Reply
RE: Do You Need a Buffer Tank or Low Loss Header for Underfloor Heating in a Large Property?

Strictly same deltaT is the requirement for same flow rate. I think ufh systems are typically designed for DT5 or same as rads, but can't be certain.

2 weeks ago
Page 3 / 464
Share:

SPONSORS

Join Us!

Installer Finder

Degrees of Separation

Latest Posts

SPONSORS

Click to access the login or register cheese
Protected By
Shield Security PRO