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!

bobflux
bobflux
@bobflux
Member
Estimable Member
Joined: Feb 22, 2026
Last seen: May 25, 2026
Topics: 1 / Replies: 91
Reply
RE: Considering getting a Vaillant air source heat pump

So true! Note I wasn't criticizing your message. Simply felt like ranting, because it's ridiculous we have to jump through these hoops to obtain bas...

1 month ago
Reply
RE: Considering getting a Vaillant air source heat pump

I'm an electronics engineer, this is the kind of documentation considered appropriate for a 10 cents chip: about 50 pages describing all the character...

1 month ago
Reply
RE: Upgrading my system, how far do I go?

Does that include vehicles? Electric cars just slurp energy on an entirely new level. When I put in 11kW of inverter power I wondered if I was over ...

1 month ago
Reply
RE: Guidance with installing a new heating system

So 5m3 of mortar. With density 1.6-2 and thermal capacity 800-1000 J.kg/°C if the slab heats by 1°C that means 1.7-2.7 kWh is stored. So you can sto...

1 month ago
Reply
RE: Guidance with installing a new heating system

Agree with everything James said. With a heat pump + UFH + good insulation, if the installation is not botched you're pretty much in the ideal case ...

1 month ago
Reply
RE: Help Right-Sizing My Grandmother's Heat Pump: Installer Says 12kW, I Think It's Oversized

That would be a very nice solution, leverage the existing aircon, without adding extra complication to the air to water heat pump. But if the aircon...

1 month ago
Reply
RE: Help Right-Sizing My Grandmother's Heat Pump: Installer Says 12kW, I Think It's Oversized

Did you count heat loss due to ventilation? About that... if there are bathroom(s) in the intermittent occupation rooms, could be useful to be able ...

1 month ago
Reply
RE: How much can an east/west solar solar system be oversized?

Best performance occurs with PV string near inverter nominal input voltage (360V). So panels should be selected to not exceed max inverter MPPT short ...

1 month ago
Reply
RE: A2A vs A2W: Which Heat Pump Would You Pick?

If it's only a few days a year, I'd recommend a second hand mobile air conditioning unit, those with caster wheels, can be had for 150€ for 3kW coolin...

1 month ago
Reply
RE: A2A vs A2W: Which Heat Pump Would You Pick?

Cooling a slab works fine, I tried back in the day with the old ground source heat pump. I did it passively, without running the heat pump, since the ...

1 month ago
Reply
RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?

Yes it's a shame the manufacturers make this vital information so difficult to access!

2 months ago
Reply
RE: 7.5kW Heat Loss, But Quoted a 10kW Midea. No Re-Pipe, No Buffer Tank. Does This Add Up?

IMO "Oversizing the heat pump" is a bit of an over simplification. What really matters is what water flow rate the heat pump likes, and its modulati...

2 months ago
Page 2 / 8
Share:

Join Us!

Latest Posts

Members Online

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