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	RE: Missing flow temperature in Heat Geek proposal By JamesPa, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	If the experience of those who report here is anything to go by, very little unless there is a gross problem. I personally think that design flow temperatures are nothing more than indicative given th...
	RE: Missing flow temperature in Heat Geek proposal By L8Again, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	My installer heat pump installer is Heat Geek Certified and along with the work that he does under the Heat Geek umbrella, he undertakes his own bespoke system design and heat pump installation work. ...
	RE: Missing flow temperature in Heat Geek proposal By Batpred, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	Well, I disagree. They are not merely salesmen.. they handled the purchase and overall process for our ashp. They provide a guarantee, other just stick to mcs. I had plenty of estimates from other co...
	RE: Tesla Powerwall (2) Calibration Cycles By EnergyStorageTech, 4 days ago Forum Energy Storage
	One practical safeguard is to separate the calibration cycle from normal tariff automation: keep the reserve and TOU schedule documented, watch the app for the calibration notice, and temporarily disa...
	RE: Missing flow temperature in Heat Geek proposal By Singlespeed, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	@batpred Four years ago, Adam was saying that a potential installer should be doing a full heat loss calc and clearly showing the design flow temperature to meet the calc . Anyone not doing so is bas...
	RE: Nook batteries from Octopus By EnergyStorageTech, 4 days ago Forum Energy Storage
	Until Octopus publishes the electrical limits, the key distinction is energy capacity versus usable power. A 10 kWh stack limited to around 800 W export can still shift cheap-rate energy, but it will ...
	RE: battery storage without solar By EnergyStorageTech, 4 days ago Forum Energy Storage
	Time-shifting can work without PV, but model it from your actual tariff spread and round-trip efficiency, not the headline savings. Compare shifted kWh × (peak rate - off-peak rate) × usable efficienc...
	RE: Nook batteries from Octopus By Batpred, 4 days ago Forum Energy Storage
	just wondering if anyone has got any Nook to confirm what it is exactly and what it works like? Do they come with a ct clamp? Are they pre approved by the dno?
	RE: Missing flow temperature in Heat Geek proposal By Batpred, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	Of course we do not know for sure what the future will bring, but HG have been around for a long time and to my knowledge honouring the warranty.
	RE: Missing flow temperature in Heat Geek proposal By Singlespeed, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	It appears to be explicitly a SCOP guarantee. So, if you were to install now and it performed worse than you expected, they would (rightly) argue that the rest of the year should raise the SCOP and po...
	RE: tepeo ZEB UK Support & Info Thread By Toodles, 4 days ago Forum Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
	There is at least one large scale system in this category; the Caldera ‘Warmstone’ I understand this unit weighs in at ~1.5 tonnes and can store ~100 kWh of energy. The mind boggles as to whether many...
	RE: Missing flow temperature in Heat Geek proposal By cathodeRay, 4 days ago Forum Air Source Heat Pumps (ASHPs)
	I'm not so sure. If the onus is on the customer to spot the deficit, then why do Heat Geek need to monitor the customer's system? We don't know how it works in practice. Customers will spot gross defi...