Last seen: Apr 7, 2025
@gc61 Less that one start per hour is very good, our pump can manage that when its cold, but it cant modulate down low enough in Spring and Autumn, ev...
@transparent Thanks for the info, i will try to get EDF to escalate to the DCC, if that doesn't work i will have to wait for the new WiFi system to go...
@tim441 Re the silent mode, It made me think have a missed something, but i have looked it up, on the Viessmann all the silent mode does is restrict t...
Does anybody have any figures re the efficiency of heat pumps when under different loads? A car engine ticking over is more efficient than one runni...
@jamespa It depends on what "bad" cycling is. In spring it would run for a total of 4 hours in the 9 hour period that i had it set for, it would cycle...
Our heat pump is oversized by a factor of 2. It is capable of 10Kw at temperature of -5, the most we have used in one day in the last 2 and a half yea...
We have a 10Kw Viessmann 200A it SCOP is currently 5.2, this has increased over the last 12 months from 4.7 by tuning the system to our property. The ...
@cathoderay Re the 1.18 correction figure. I have a completely different pump (Viessmann) and have a well insulated property with underfloor throug...
With reference to the now christened Vampire load, on my Viessmann i have one meter monitoring all the energy to the entire heating system, the other ...
I am new to the forum, but have been following this topic closely, as I am sure are many other heat pump owners. To quote Sherlock Holmes - When yo...
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RE: Extend the colder range of the weather compensation curve?
No issues at all in extending it so far as I can see, c...
By JamesPa , 13 minutes ago
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Mixture of copper and plastic CH pipework. Will it be ok, or need changing?
We are getting closer to our heat pump install and I ha...
By Bash , 14 minutes ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
And here is what the Homely plots say for the last few ...
By Toodles , 1 hour ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@hcas Thanks! One more question - are you able to tak...
By nickhorne , 2 hours ago
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RE: Faulty Clivet heat pump out of the box
@steveimpey I’m always watching 👀My Clivet cont...
By Mars , 7 hours ago
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RE: When to use Octopus Intelligent Go tariff with my heat pump and battery
@treewizard That's probably fine, provided as you say...
By GrahamF , 8 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
16Kw AIROSD Manufacturer: Foshan Model: QBKFXFC-...
By Polar bear , 8 hours ago
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Just a suggestion but upload your images to an AI agent...
By RadWhisperer , 10 hours ago
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RE: Daikin Wireless Thermostat
The switch from WDC to LWT i.e. pure WC is fairly strai...
By RadWhisperer , 10 hours ago
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RE: Bosch CS5800i 5kW - Experience So Far
Thank you for your continuous research, and posts. As y...
By ectoplasmosis , 18 hours ago
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RE: Trying to understand my Nibe F1245
@barry-sharp, is this something you could help with?
By Mars , 19 hours ago
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I signed up for this, I think it will be a good one. Al...
By ASHP-BOBBA , 23 hours ago
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RE: Heat Loss v Outside Air Temperature
Ideal conditions to collect the data! Although the left...
By cathodeRay , 1 day ago
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RE: My DIY Heat Pump installation
@majordennisbloodnok The 'more' button takes me to ...
By Polar bear , 1 day ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
@vsmith1 If you have access to Home Assistant then you ...
By Gmuzz , 1 day ago
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Aira Intelligence: integrated home energy system
Aira has just announced a new integrated home energy sy...
By Mars , 1 day ago
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RE: Low COP and unevenly heated rooms with 12kW Samsung AE120MXTPEH / AE260TNWTEH
i cant trace it. Near the pumps in the basement it seem...
By bonobo , 1 day ago
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Daikin Altherma Heating Controls using Onecta Integration via Home Assistant
Ok so likely not setting the world on fire here for rev...
By phil bell , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
So I’m still with E.ON Next, and I received a pretty sn...
By Mars , 2 days ago


