
Last seen: Sep 11, 2025
@tribol here's an official reply from NIBE on your case: "Your legionella program is set to run on a weekly basis and will take your cylinder up to th...
Hi guys, let’s keep this thread focused and constructive, please. There’s clearly a lot of passion and valuable experience on both sides of this dis...
@tribol welcome to the forums. I’m just spitballing here, but from what you’ve described, it sounds like your system is hitting its BT12 (condenser...
I’m putting together the next Homeowners Q&A episode recording for Friday, May 23 at 10:30am titled “What I Wish I Knew Before Installing a Heat P...
It may have no place in domestic heating, but it has been used.
In addition to Adia, I know of two other auto rad balancing valves that will be hitting the market imminently. I might actually write about one this w...
@sallyl that I don’t know. @heacol can you please cast some light on this?
Most legislation covers England and Wales, and it’s Scotland that has its own very distinctive rules and regulations.
Welcome to the forums Sally. To answer your query, it’s important to know that there are two different types of system additives that might be in your...
@andrewj, you’re absolutely right that these systems work best when the house is well balanced and properly designed from the outset. Even with compen...
@andrewj I see there have been a lot of replies already, and the video is attracting a lot of comments. My two cents worth: Weather compensation adj...
I’ve actually been working on something along these lines for a while now, but time (and the lack of hours in the day) has delayed things a bit. It ad...
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 15 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
@guydeb The guidelines are possibly written to be defin...
By Toodles , 2 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Yes Octopus only have the £9 a month service plan for t...
By NJT , 2 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 2 hours ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 2 hours ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 8 hours ago
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 22 hours ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 24 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 1 day ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 1 day ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 2 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 2 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 2 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago