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...
Latest Posts
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RE: No-code, plug-and-play monitoring for your heat pump
@benson It is a shame, I was looking at these when I wa...
By Grantmethestrength , 9 hours ago
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RE: BUS Grant: removal of all other fossil fuel heat sources
@rikiarn - just have a think as to how much it will cos...
By Transparent , 10 hours ago
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Don't do much digging around.That's best left to the pr...
By Transparent , 10 hours ago
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Hi all, I was wondering if anyone had an idea of how th...
By Wh0am3ye , 13 hours ago
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RE: EBAC re-entering the ASHP market in 2023
@toodles confirm i have Ebac 5kw ASAP + homely and it w...
By marcinwloch69@gmail.com , 14 hours ago
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RE: Compute heat loss from energy used
@jamespa Ebac must be similar to Mitsubishi as they buy...
By marcinwloch69@gmail.com , 15 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
When i was looking I encountered one installer who does...
By JamesPa , 15 hours ago
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@pie_eater I have been thinking of adding cooling to my...
By TechnoGeek , 3 days ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
Agree, but you may have a hard time convincing them, as...
By JamesPa , 4 days ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
Hi - fyi - there's a dead image link in the 'Optimal In...
By seatonian , 5 days ago
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RE: Ripped Off: How UK Homeowners Are Paying Gas Prices for Wind Energy
@chandykris Horses and beggars…. 😉 Toodles.
By Toodles , 5 days ago
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RE: Cleaning up after gas meter removed
@agentgeorge Likewise in the loft space; we have 300mm ...
By Toodles , 5 days ago
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RE: Ecodan consuming 100kwh per day in new build!!!
This particular example is one of the worst I have seen...
By JamesPa , 5 days ago
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RE: Fan running in hot weather ...why?
I wonder if it has some kind of pressure transducer to ...
By ASHP-BOBBA , 5 days ago
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RE: Cooling with Samsung Gen6 and Flow error
@iaack The system isnt running long enough for any cond...
By EcoBaker , 6 days ago
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@heacol thanks for confirming we can only hope NAPIT ag...
By Bart , 6 days ago
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Sorry to hear that @bruce. Sadly I’ve heard from multip...
By Mars , 1 week ago
