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alternative to Homely - HavenWise. Anyone used it?

Tim441 · 2024-10-08T14:39:51Z

Interesting article in the Telegraph.. includes: HavenWise for heat pumps. Has anyone heard of it.. or used it? Extract: The established brands include Homely and PassivUK, whose optimisers have been independently shown to save 20 to 30pc. The latest entrant is a start-up called HavenWise, the brainchild of Alex Nelson, a former captain in the Royal Logistic Corps with a masters degree in robotics, and backed by Carbon13, a climate technology investor. Last spring, HavenWise demonstrated its system on my heat pump during two days of near-identical weather and the result was astonishing. The combination of its optimiser and the Agile tariff worked out 60pc cheaper than a standard tariff with no optimisation. The company says it achieved similar results in longer tests with other heat pumps. On that basis, had I been using Agile and HavenWise over the previous year, my heat pump bill would have fallen from £1,194 to £478, a saving of £717. My total electricity bill (I don’t have gas) would not have come out at £2,096 – roughly in line with the average Ofgem tariff and Energy Price Guarantee over the previous year – but a third lower at £1,379. For this year, if the weather and Agile tariffs stay the same – which they won’t – and with the Ofgem cap at £1,717, I’m guessing it would be around £1,200. But these savings are at the upper end of what HavenWise would expect, cautioned Mr Nelson, because I had not previously been running the heat pump in its most efficient weather-compensation mode. As the company tests its algorithm on many more heat pumps this winter, it expects the savings to be lower. “It’s difficult to forecast precisely”, said Mr Nelson, “but we think the average savings will settle at around 50pc.” If optimisers can deliver savings of more than 30pc, it could give heat pumps a decisive advantage over gas boilers, according to Nesta, a clean energy think tank. Its modelling shows that with the current installation subsidy of £7,500, heat pumps would then undercut boilers on the total cost of ownership – including purchase, installation, maintenance and 15 years of energy bills. “If the optimiser can save 30pc, heat pumps would cost less than a boiler every month, all in”, said Andrew Sissons, deputy director of Nesta. “That makes it easier for banks to offer financing to eliminate the upfront cost for the consumer, so this could be a pivotal moment.” Those kinds of deals are already beginning to emerge. Swedish company Aira is installing heat pumps in the UK at no upfront cost. The Heat Geek installer network has launched a similar offer which includes an efficiency guarantee. Homely and PassivUK’s optimisers work through small electronic devices costing around £200 that need to be wired into the heat pump by an approved installer. HavenWise operates through the cloud and needs no extra equipment – provided the heat pump is Wi-Fi enabled – and will charge an annual subscription of £50.

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Gary

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24/01/2025 12:09 pm

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Morgan

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24/01/2025 1:38 pm

Thank you @gary

Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
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ESS Smile G3 5kw inverter.

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HCas

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24/01/2025 1:48 pm

Hi @morgan ! Any questions on Havenwise, let me know 🙂

CEO and co-founder at HavenWise

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Alfapat

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24/01/2025 5:26 pm

Would like to know what managing device would benifit and be compatible with a 8 yr old Samsung old Model : AE160JXYDEH/EU

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Toodles

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24/01/2025 5:36 pm

@alfapat From that Q&A, it rather sounds as though the first enquiry might be ‘does the 8 year old heat pump have Modbus or could Modbus be fitted?’ Regards, Toodles.

Toodles, heats his home with cold draughts and cooks food with magnets.

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Toodles

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24/01/2025 5:41 pm

@alfapat This is an extract from the Homely compatibility list. Regards, Toodles.

Toodles, heats his home with cold draughts and cooks food with magnets.

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Alfapat

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24/01/2025 6:13 pm

From that Q&A, it rather sounds as though the first enquiry might be ‘does the 8 year old heat pump have Modbus or could Modbus be fitted?’

Hi , Im not sure what you mean . Should I have put this question in Q&A ?

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Toodles

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24/01/2025 6:28 pm

@alfapat In that RHH Q&A presentation, there was mention of compatibility with Homely and / or Havenwise controllers and monitors; the advice seems to be that Modbus will be necessary for most commercially available smart controllers. Another method uses ‘E-buss’ I think it was called but this is so far adopted on a much smaller scale. Regards, Toodles.

Toodles, heats his home with cold draughts and cooks food with magnets.

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Alfapat

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24/01/2025 6:41 pm

@toodles Thanks for that, yes I did see the Vid , If my pump can be Modded thats fine , I was hoping so by posting it after the video. You may have answered my quwstion. I will try Havenwise first.

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Mars

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24/01/2025 10:04 pm

@alfapat we have Havenwise coming back on the show in two weeks time. Please give me the exact question you have for them and I will be happy to ask them.

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Alfapat

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24/01/2025 10:41 pm

@editor OK Thank you , I have tried to connect an application to try Havenwise and sent a help by email .

I reckon I need a MoD bus or something .

Samsung AE160JXYDEH/EU

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Alfapat

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25/01/2025 10:14 am

Without knowing anything about hw this works , I would like to know that from the app , does the Havenwise control my system and therefore it shows on the app , or do I have to input data to assist it . I would much prefer the former.

Thank you in advance.

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alternative to Homely - HavenWise. Anyone used it?

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