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Last seen: Sep 19, 2024
Now that statement I can agree with. The problem is that in mild weather conditions it is not possible to run heat pumps continuously, whatever you ...
I'm not changing the fundamentals, there is a minimum thermal energy output that a given heat pump can produce when operating at its lowest possible o...
@iancalderbank In your situation an Air 2 Air heat pump system would probably have been much more efficient and cost effective. I know, too late now...
I would be interested to know how he ties the harmonics to heat pumps, rather than EV chargers or battery chargers or solar PV inverters? Is he anti h...
I think that you may have taken my comment out of context, since I was referring more to short cycling rather than just general cycling. I think tha...
I think that we may be referring to different things when we talk about harmonics. To me harmonics are frequencies above 50hz, often caused by inducti...
I have just found the info linked below, which would seem to indicate that PWM uses Zero Crossing control rather than Phase Angle.
To be quite honest, without looking inside a heat pump unit to see what motor is actually fitted, I can only assume that it will be an AC induction mo...
First of all the entire operating range of required output from a heat pump, can go from no heating required at all, to possibly over 100% of maximum ...
I'm afraid it is not quite that simple when one looks at the big picture. So if every household in the country switches to a heat pump before next W...
@jamespa Some re-balancing of gas and electricity prices has already taken place, since electricity prices are 3 times higher, whilst gas has been i...
@cathoderay I remember reading an article several years ago, about the amount of available energy from the ocean currents flowing around the British...
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Degrees of Separation
Latest Posts
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RE: New Build 3 Phase or 1Phase
Not so. 1: It's now the case that the Service Fuse wi...
By Transparent , 7 hours ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
I think it has an enormous impact on air/air users. The...
By EtchedPixels , 14 hours ago
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@editor Ouch, sorry to re start the tick. I had assume...
By DavidB , 1 day ago
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RE: Say hello and introduce yourself
@e-a-west as the good Major said, welcome to the forums...
By Mars , 1 day ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 2 days ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 3 days ago
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@transparent we’re still running a secure version of PH...
By Mars , 3 days ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 4 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 4 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 4 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 4 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 4 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 4 days ago
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