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Choice of heat pump - Help needed - Vaillant Arotherm versus Samsung versus Logic Air versus Grant Aerona

dorkypark · 2024-09-18T12:11:50Z

I have a quote from an installer with a choice of 4 heat pumps: Vaillant Arotherm 3.5 kW Samsung R290 5 kW Logic Air R32 4 kW Grant Aerona 6 kW The house has a heat loss of about 3.3 kW. Price-wise there is surprisingly little difference. I have a couple of questions: 1. I have air bricks which I believe would prevent using the R290 heat pumps since the heat pump would be next to an outside wall. How do manufacturers expect these heat pumps to be used since it seems like a very common scenario to have air bricks and a heat pump next to an outside wall. 2. With the first two ruled out and the Grant seemingly a bit rubbish (inefficient, noisy and ugly), that leaves the Logic Air. By the specs the Logic has very good SCOP values and is very quiet but I'm struggling to find real world opinions on it. Does anyone have it istalled or have an opinion on what it is like? Thanks

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Air Source Heat Pumps (ASHPs)

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Majordennisbloodnok

(@majordennisbloodnok)

Famed Member Moderator

Joined: 4 years ago

Posts: 1742

21/09/2024 4:19 pm

@toodles

Not going to suggest I find it desirable, btw.

105 m2 bungalow in South East England
Mitsubishi Ecodan 8.5 kW air source heat pump
18 x 360W solar panels
1 x 6 kW GroWatt battery and SPH5000 inverter
1 x Myenergi Zappi
1 x VW ID3
Raised beds for home-grown veg and chickens for eggs

"Semper in excretia; sumus solum profundum variat"

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Toodles

(@toodles)

Famed Member Contributor

Joined: 4 years ago

Posts: 2706

21/09/2024 5:13 pm

@majordennisbloodnok 🤯

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

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Graham Hendra

(@grahamh)

Estimable Member Member Professional Installer

Joined: 5 years ago

Posts: 110

23/09/2024 4:39 pm

tbh there isnt a lot of difference between the heat pumps listed, they are all good, all small, all quiet etc.

But the service levels are dramatically different. The best heat pump service for after care is Ideal, simply awesome, i cant rave about it enough. The rest ok at best .

I'm literally Mr Samsung, ive sold them for 15 years, ive had every model on test at home over the years. all really good, but I have an Ideal at home now and Ideal couldn't be more helpful they are setting the standard for after care and everyone else needs to catch up.

Vaillant never tried them, likewise grant. I've never had need to look into them, they are similar to Samsung etc so why change brands?

but whatever you put in good luck and welcome to heat pumps. GH

Heat pump builder

👌

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Majordennisbloodnok

(@majordennisbloodnok)

Famed Member Moderator

Joined: 4 years ago

Posts: 1742

23/09/2024 4:49 pm

Posted by: @grahamh

↑

...

But the service levels are dramatically different. The best heat pump service for after care is Ideal, simply awesome, i cant rave about it enough. The rest ok at best.

...

Posted by: @grahamh

↑

...

Vaillant never tried them, likewise grant. I've never had need to look into them, they are similar to Samsung etc so why change brands?

...

Silly question, perhaps, but if you haven't tried Vaillant or Grant on what criteria are you judging that their customer service is "OK at best"?

"Semper in excretia; sumus solum profundum variat"

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Graham Hendra

(@grahamh)

Estimable Member Member Professional Installer

Joined: 5 years ago

Posts: 110

23/09/2024 5:34 pm

fair points ive not tried them on aftercare but tbh i haven't tried very hard with either of them, never had the need, they are just average heat pumps in a sea of average heat pumps. never needed to change brands so far.

Heat pump builder

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Majordennisbloodnok

(@majordennisbloodnok)

Famed Member Moderator

Joined: 4 years ago

Posts: 1742

23/09/2024 5:44 pm

Posted by: @grahamh

↑

fair points ive not tried them on aftercare but tbh i haven't tried very hard with either of them, never had the need, they are just average heat pumps in a sea of average heat pumps. never needed to change brands so far.

In fairness, then, nor can you say they are average. All you can justifiably say is that you know Samsung and Ideal well and have insufficient experience with the others to comment.

Having stated you have a commercial interest in Samsung and Ideal, I’m afraid I’m not comfortable with you making negative comments about other brands without backing them up with evidence.

"Semper in excretia; sumus solum profundum variat"

👍

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Judith

(@judith)

Prominent Member Member

Joined: 2 years ago

Posts: 519

26/09/2024 8:01 am

Vaillant service for the application installation was great, one engineer visit and 4 extensive replies from the help desk. BUT tbh it should have been better coded so that the customer didn’t need to reinstall an app 3 times to get it right!

2kW + Growatt & 4kW +Sunnyboy PV on south-facing roof Solar thermal. 9.5kWh Givenergy battery with AC3. MVHR. Vaillant 7kW ASHP (very pleased with SCOP 4.7) open system operating on WC

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Toodles

(@toodles)

Famed Member Contributor

Joined: 4 years ago

Posts: 2706

26/09/2024 9:20 am

@judith If it is any consolation @judith, the Daikin app is no better; that took many attempts to install and every few months, it loses all identity and has to be re-installed. Every time I open the app, it informs me it has found a new unit on my set-up and wants to install it…. as many times as I tell it to go ahead, it just sits there informing me it is installing…….. installing…. installing. And I only ever use the app for a glance at consumption patterns! Regards, Toodles.

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

😢

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NJT

(@njt)

Trusted Member Member

Joined: 2 years ago

Posts: 59

27/09/2024 7:49 pm

@toodles

We've only just had our heat pump installed last week, and it's lost all info on the app 4 times already 😐

👍

🤔

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Broadsman

(@broadsman)

Estimable Member Member

Joined: 2 years ago

Posts: 76

28/09/2024 5:08 pm

@grahamh.

I have recently had a Samsung 12.5Kwh, Gen 7 fitted. Wish Samsung had written the User Manual for homeowners without a degree in space technology and had used a vocabulary in general UK use. As a sales rep Graham, do you have such a document? Thanks.

😂

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Elton

(@elton)

Trusted Member Member

Joined: 2 years ago

Posts: 59

01/10/2024 12:22 pm

I still struggle to understand this re: Samsungs: https://renewableheatinghub.co.uk/forums/postid/32750

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bontwoody

(@bontwoody)

Noble Member Contributor

Joined: 4 years ago

Posts: 1009

01/10/2024 1:35 pm

@elton

Which bit are you having problems with?

I have a Samsung which performs well so might be able to help.

House-3 bed partial stone bungalow, 5kW Samsung Gen 6 ASHP (Self install)
6.9 kWp of PV
5kWh DC coupled battery
Blog: https://thegreeningofrosecottage.weebly.com/
Heatpump Stats: http://heatpumpmonitor.org/system/view?id=60

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