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Derek M
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Derek M
@derek-m
Member
Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4405
AllTopicsReplies
Reply
RE: Who's your electricity provider and what's your tariff?

Hi Batalto, You are probably correct. I have considered batteries and some additional solar panels, but since we are still using the gas boiler for ...

4 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Topic
Derek’s heat pump modelling tool
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 5
Views: 1988
Reply
RE: Who's your electricity provider and what's your tariff?

Hi Justin, I'm afraid that your solar PV system will not provide much of the power that will be required by your ASHP, so the higher tariff of the d...

4 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Size of ASHP and spare capacity

@lizzylou Hi Lizzy, Whilst I would always try to convince anyone and everyone to use less energy, I also feel it is important to also let people ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

@hr_3 Hi Hr_3, I would suggest that you read the manual and see if your ASHP is capable of operating in weather compensation mode. If so, it woul...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

@peterr Hi Peter, If my maths are correct, in November you are averaging approximately 20kWh per day to run your ASHP and about 10kWh for everyth...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Size of ASHP and spare capacity

@lizzylou Hi Lizzy, According to the data for your Potterton boiler it is rated at 20.5kW output. So as you say, if your boiler is working hard, ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Bivalent system questions - ASHP with oil boiler

Hi Mars, I'm not an expert on oil boilers, but what I think is happening is similar to our gas boiler when it operates for a longer period of time. ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Size of ASHP and spare capacity

@lizzylou Hi Lizzylou, Welcome to the forum. 18kW heat demand does seem on the high side and will cost you a kings ransom to supply using an AS...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

Hi Peter, I was just looking at your data again, and what concerns me is that your electrical energy usage does seem to be on the high side. Is ther...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

@peterr Let me explain in a little more detail. Because you don't have any electricity meters or a heat meter connected to your FTC controller, the...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 11.2kW Mitsubishi Ecodan replacing LPG boiler

Hi Peter, I find it rather annoying that installers do not fully check and test the operation of the system, before disappearing rapidly into the su...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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