Honeywell heating system £175.15 @ amazon
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Honeywell heating system £175.15 @ amazon

£175.15Amazon Deals
69
Found 26th Nov
I get the feeling this may get cold with the recent Hive and Nest deals.

However, this deal would interest some people. I think its a Black Friday deal on amazon

The Honeywell Evohome is one of a few systems that allows you to control your heating with each room individually. Nest and Hive uses "zones", which essentially means you have to have a nest machine in each area you want "zoned", and need to have the right plumbing to divert heat to those zones. For most people with large older houses this is not possible. Most new build properties have at most 2 zones of heating which are predetermined.

Honeywell and its competitor, Genius uses a wifi system with individual thermostat valves (TRVs) on each individual radiator so that you can control every room. Eg I want to have heating on in my child's room at night but I want the downstairs to be shut off. The TRVs from honeywell act as a thermometer as well so you can monitor your room at night. If you have a sleeping toddler the last thing you want to do is go in at night to checkl if the temp is right!

The user interface isnt as deep as Nest or Hive but no other systems can match this level of control per room.

It is now at its cheapest according to the camels. I have researched extensively this topic and can confirm this is the latest 3rd Gen Honeywell with built in wifi to the system.

Some nice reviews:
trustedreviews.com/rev…ome
expertreviews.co.uk/hon…ome ( a bit older)

The TRVs are about £50-60 each so overall the system still isnt cheap.

In my opinion these kind of controls are better for larger houses or those who want better control per room, eg house shares and people with larger families.

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69 Comments

Heat added. We had this amazing system installed pretty much as soon as it was launched and it has performed flawlessly ever since. Effectively manages to zone your heating without costly/disruptive re-piping etc. and so negates the one massive flaw in your heating system - either the whole house is on or off. With this you simply heat the room/s you are using and can programme bedrooms/bathrooms etc to be warm for the time you use them. Brilliant. We also control it via Alexa for added convenience...
Edited by: "bellboys" 26th Nov

I live in a converted church and have Evohome. Has saved me a fortune and paid for the approx £1k initial cost around 4 times in the 4years we’ve had it in. The huge advantage of this over others is the individual room control and that any radiator in any room can call for heat at the boiler. I upgraded to the colour a while back and it’s tempted to go for this to get rid of the gateway box. The system has proved very reliable - I’ve had 1 valve controller go faulty in the five years I’ve had it in and one got sticky, and a drop of wd40 fixed that. It also is now controllable by Alexa which is another bonus.
Edited by: "Simes123" 26th Nov

Temporarily out of stock.
Order now and we'll deliver when available. We'll e-mail you with an estimated delivery date as soon as we have more information. Your account will only be charged when we dispatch the item.

I appreciate the intent of this system but I think it is seriously flawed. The TRVs control the temperature at a location right next to the radiator - but this is not the temperature of the room. TRVs are useful to assist with the temperature control of a of a room but will never compete with a correctly positioned room thermostat.

This also includes the boiler relay box?

- this or Tado (which now has a very similar multi valve system). Currently 20% off on that.

Original Poster

Van19736 m ago

I appreciate the intent of this system but I think it is seriously flawed. …I appreciate the intent of this system but I think it is seriously flawed. The TRVs control the temperature at a location right next to the radiator - but this is not the temperature of the room. TRVs are useful to assist with the temperature control of a of a room but will never compete with a correctly positioned room thermostat.


A valid point and I came across this on Honeywell forums when researching this.





You can install separate thermometers and use those as the room temp setting.





However most radiators are convection and therefore TRVs are still surprisingly accurate (many day within 0.5deg)
Edited by: "gowf" 26th Nov

gowf11 m ago

A valid point and I came across this on Honeywell forums when researching … A valid point and I came across this on Honeywell forums when researching this. You can install separate thermometers and use those as the room temp setting. However most radiators are convection and therefore TRVs are still surprisingly accurate (many day within 0.5deg)


Can you work out how much to offset the temperature by to allow for the difference in each room? Would it work? If so it could be done in software?

Sorry for the questions I have no idea about this...but essentially I want to get this system for my elderly parents...it's a big house that is cold downstairs and warmer upstairs with the heating on...there is no cavity wall as the house is about 100+ years old

Do I have to get a trv for every radiator and is this this system more suitable than hive tada etc...

gowf12 m ago

A valid point and I came across this on Honeywell forums when researching …A valid point and I came across this on Honeywell forums when researching this. You can install separate thermometers and use those as the room temp setting. However most radiators are convection and therefore TRVs are still surprisingly accurate (many day within 0.5deg)




Yes. We have a thermometer in our lounge (standalone, not Honeywell or connected in any way) and the readings are normally within 0.5c of each other so I'm not convinced this would add up to a major flaw...

Istanbul_Kop15 m ago

This also includes the boiler relay box?- this or Tado (which now has a …This also includes the boiler relay box?- this or Tado (which now has a very similar multi valve system). Currently 20% off on that.



Yes, taken from the first review

'First question I bet you are asking is what is in the box?

1 x BDR91A1000 Wireless Relay Box (used to turn your boiler off/on)

1 x ATC928G3000 Evohome WiFi Controller With Desk Stand And Mains Power UK / EU Power Adaptor.'


This is a very good price BTW. Cheaper than anywhere else on the Web.

Van197329 m ago

I appreciate the intent of this system but I think it is seriously flawed. …I appreciate the intent of this system but I think it is seriously flawed. The TRVs control the temperature at a location right next to the radiator - but this is not the temperature of the room. TRVs are useful to assist with the temperature control of a of a room but will never compete with a correctly positioned room thermostat.


Not completely accurate but the system is designed to make allowances for this. You can also configure an offset if one TRV is particularly inaccurate, or link it to an external temperature sensor. The control unit can also act as the temperature sensor for the room it is located in.
Edited by: "colin10086" 26th Nov

You'll obviously need to replace the TRV valves with the Honeywell ones, and 4 will set you back around £200 on top of this.

Original Poster

bruce28714 m ago

Sorry for the questions I have no idea about this...but essentially I want …Sorry for the questions I have no idea about this...but essentially I want to get this system for my elderly parents...it's a big house that is cold downstairs and warmer upstairs with the heating on...there is no cavity wall as the house is about 100+ years oldDo I have to get a trv for every radiator and is this this system more suitable than hive tada etc...

Depends on what level of control your parents want.

Honeywell allows you to control each individual room by temp, as well as control the boiler.

Hive and nest allows you to turn on or off the boiler and set the temp of a room that the main nest machine is in. Nest in particular has some clever AI algorithms which predict when you will turn on the boiler etc, but the control is limited to a single zone for your parents house, as to add multiple zones means they will need to change the houses plumbing.

If your parents want to turn off the living room heater when they’ve gone upstairs or want the bathroom to heat up before they have a bath in the evening for example, you will need better control.

If they just want to be able to turn on or off the boiler then hive or nest is better.

All these systems have iPhone or tablet apps to control when away from home or in home.

You will need a separate trv for each room you want to control. If you have lots of spare rooms and don’t need it then you can always purchase a few for now and buy later.

Honeywell claim that the finer control means you will save more on heating and I believe this is quite reasonable

So this is just the relay box and the controller and all the individual valves have to be purchased separately? I got 4 bed, 3 bath plus living room kitchen that is 9 valves. If 50 each, it would cost over 600. Could take a while to realize this amount of saving by using it.

May as well get the Tado starter pack!

bruce28747 m ago

Sorry for the questions I have no idea about this...but essentially I want …Sorry for the questions I have no idea about this...but essentially I want to get this system for my elderly parents...it's a big house that is cold downstairs and warmer upstairs with the heating on...there is no cavity wall as the house is about 100+ years oldDo I have to get a trv for every radiator and is this this system more suitable than hive tada etc...


You may want to try a system balance in the shorter term
homebuilding.co.uk/how…rs/

Van19731 h, 8 m ago

I appreciate the intent of this system but I think it is seriously flawed. …I appreciate the intent of this system but I think it is seriously flawed. The TRVs control the temperature at a location right next to the radiator - but this is not the temperature of the room. TRVs are useful to assist with the temperature control of a of a room but will never compete with a correctly positioned room thermostat.


I have this and you can pair a room thermostat to the trv and use the reading from that. More expensive the Nest, etc., but far, far more flexible.

oohflamey10 m ago

You may want to try a system balance in the shorter …You may want to try a system balance in the shorter termhttps://www.homebuilding.co.uk/how-to-balance-radiators/


Thank you very much....I need to think of ideas to heat up the house and help my family out....they are typical old parents who won't turn up heating as they think it costs lots of money

gowf44 m ago

Depends on what level of control your parents want. Honeywell allows you …Depends on what level of control your parents want. Honeywell allows you to control each individual room by temp, as well as control the boiler. Hive and nest allows you to turn on or off the boiler and set the temp of a room that the main nest machine is in. Nest in particular has some clever AI algorithms which predict when you will turn on the boiler etc, but the control is limited to a single zone for your parents house, as to add multiple zones means they will need to change the houses plumbing. If your parents want to turn off the living room heater when they’ve gone upstairs or want the bathroom to heat up before they have a bath in the evening for example, you will need better control. If they just want to be able to turn on or off the boiler then hive or nest is better. All these systems have iPhone or tablet apps to control when away from home or in home. You will need a separate trv for each room you want to control. If you have lots of spare rooms and don’t need it then you can always purchase a few for now and buy later. Honeywell claim that the finer control means you will save more on heating and I believe this is quite reasonable


Thank you...I currently have this on order and the house is a 4 bedroom detached with mostly double sized rooms....Will get at least 4 trvs I'm thinking...

kaizhu7932 m ago

So this is just the relay box and the controller and all the individual …So this is just the relay box and the controller and all the individual valves have to be purchased separately? I got 4 bed, 3 bath plus living room kitchen that is 9 valves. If 50 each, it would cost over 600. Could take a while to realize this amount of saving by using it.





That's about the long and short of it!

Savings? It all depends on how profligate you are with your gas consumption before you install Evohome - the more wasteful you are the greater the immediate savings. But it would be impossible to predict accurately.

Original Poster

bruce2875 m ago

Thank you very much....I need to think of ideas to heat up the house and …Thank you very much....I need to think of ideas to heat up the house and help my family out....they are typical old parents who won't turn up heating as they think it costs lots of money


Incidentally, I would also look into better insulation - things like cavity insulation and underfloor insulation will do far more for your parents heating than a smart thermometer. We padded up sheeps wool between the basement and the ground floor and the heating works so much quicker now, especially on a cold day. Big changes also noted with lined thermal curtains and draughft proofing our old sash windows.

Eon are doing a free cavity wall insulation as long as the home is privately owned and hasnt had insulation. We've got ours booked just before xmas.

Also your parents could look into an EPC certificate for the house, which addresses where the heat losses are in your home.

kaizhu7939 m ago

So this is just the relay box and the controller and all the individual …So this is just the relay box and the controller and all the individual valves have to be purchased separately? I got 4 bed, 3 bath plus living room kitchen that is 9 valves. If 50 each, it would cost over 600. Could take a while to realize this amount of saving by using it.



Yes - buy the valves for the rooms you want to control. You may not need them for all the rooms. I have one in my living room and the thermostat in my kitchen. If the kitchen one is on then the rest of the house (except the living room) is on - well supposedly but they are working off normal TRVs so most of them are switched to 'off'. If I set the living room to be on then the rest of the house comes on anyway. Works for me but I can add more TRVs later if I want.

I have the Hive in another house. The Hive online facilities are a lot more advanced than the EvoHome. EvoHome has only recently had online access and it only seems to give you the option to change the current temperature or change to another heating program. On the Hive you get a detailed graphical heating profile for the last 2 days and the ability to view and change the heating schedules easily. The Hive mobile app responds a lot more quickly than the EvoHome and is more intuitive. As mentioned the EvoHome selling point is being able to have different rooms at different temperatures.

got evohome, thermostat version 2, so had to get gateway, nevertheless happy, especially with honeywell security system, which enables quick action ; once you set your alarm to away it can turn off heating,,, neat ah?

I've been waiting for this coming down from in stock ay £225 but this has been out of stock for a good while. Honeywell system calls for the boiler on demand of any room and only that room gets heat. So when I work from home i'm not heating the full house etc.
I have the 927 controller and this has optimised start like the evohome, So you set them temp at say 22 @ 1700 and it learns how long to reach that temp so starts the boiler early or later.
Hive is a good system if you work shifts etc arriving differnt hours. The Evohome home gives this option as well.

There is a seller on ebay doing 4 TRV's for £179 with best offer. I got £160 accepted so £40 each

None of the others big names do zoning with TRV's. Definitely missing a trick

Also note there are two versions of this controller. This one is the latest don't go for the older version!
Edited by: "sterion75" 26th Nov

I have the Evohome system, 15 TRVs, Hotwater relay and 1 additional room thermostat.

It isn’t cheap. I’ve added TRVs as if found deals. Amazon Italy Warehouse deal for instance had a 4 pack that I got for £140. EU TRVs have the LCD upside down to us though.

Ok to the point they do save money. I’m down from 26,000kW of Gas to 20,500kw in the space of 2 years. In that time we’ve added an extension with 3 extra rooms and made the kitchen larger. We did add solar PV that I use to heat water too but that is about 1,000kw of a Gas saving.

I have 12 zones setup. The kids rooms are kept at 18degrees C each night, being able to call the boiler if needed. Spare room is 15 unless we have guests. Living room 3 rads all zoned together using a central thermostat.
Downstairs loo is 16degrees to stop loitering.

Don’t see this deal as a complete system. It’s the start of a project but a worthy one.

We also use Life 360 App with an IFTTT rule to turn heating off when we are away and back in when Home.

If I have one big complaint. Tado that we had before and was single zone. Had far better geo fencing, hence the ifttt solution I have.

Is this a room thermostat too, or is it JUST a trv controller? ie, Do I need more to get started, and replace my existing Netatmo?

bilbob16 m ago

Is this a room thermostat too, or is it JUST a trv controller? ie, Do I …Is this a room thermostat too, or is it JUST a trv controller? ie, Do I need more to get started, and replace my existing Netatmo?


It works as a thermostat to switch the boiler on and off. It will act as a single zone for the whole house.
As you add TRVs it can still be a thermostat.
My base unit is the kitchen thermostat linked to a TRV. Alternatively I could leave the rad open and let the base turn the heating on and off. As you zone up you’d have to revert that.

Oneday7721 m ago

It works as a thermostat to switch the boiler on and off. It will act as a …It works as a thermostat to switch the boiler on and off. It will act as a single zone for the whole house. As you add TRVs it can still be a thermostat. My base unit is the kitchen thermostat linked to a TRV. Alternatively I could leave the rad open and let the base turn the heating on and off. As you zone up you’d have to revert that.


My current Netatmo runs the whole house in classic style, with a thermostat in the lounge firing upa boiler which feeds heat to all room with radiators with TRV's on?
This would be a direct replacement for that system, that I can expand and add the wireless TRV's to in the future?

Sorry to be specific, but after already spending over £100 on netatmo, I want to be sure if I spend this not inconsiderable sum to change...

Original Poster

The Honeywell TRVs can be turned on and off remotely, and act as a thermometer for that particular room.

Netatmo TRVs still have to be opened and closed manually afaik. The control comes from being able to switch on and off the boiler

bilbob32 m ago

My current Netatmo runs the whole house in classic style, with a …My current Netatmo runs the whole house in classic style, with a thermostat in the lounge firing upa boiler which feeds heat to all room with radiators with TRV's on?This would be a direct replacement for that system, that I can expand and add the wireless TRV's to in the future?Sorry to be specific, but after already spending over £100 on netatmo, I want to be sure if I spend this not inconsiderable sum to change...


That is correct. Out the box this replaces a typical home thermostat. If you have a combo boiler this is all you need. If you don’t then you’ll also need the DHW pack.

We also use Life 360 App with an IFTTT rule to turn heating off when we are away and back in when Home.

Sorry hows this work, I tend to turn life 360 off on the phone as is loves the battery.

Siddy56 m ago

We also use Life 360 App with an IFTTT rule to turn heating off when we …We also use Life 360 App with an IFTTT rule to turn heating off when we are away and back in when Home.Sorry hows this work, I tend to turn life 360 off on the phone as is loves the battery.


We’ve set up a group that has my wife and I in it. Then I set IFTTT to run a rule when the last leaves or first returns.
Works pretty well sometimes gets caught out though. Battery wise it’s used 3% of my battery since this morning. Though I’ve been in the app a couple times today, don’t normally do so. Wouldn’t say 3% is that bad.

Van19736 h, 53 m ago

I appreciate the intent of this system but I think it is seriously flawed. …I appreciate the intent of this system but I think it is seriously flawed. The TRVs control the temperature at a location right next to the radiator - but this is not the temperature of the room. TRVs are useful to assist with the temperature control of a of a room but will never compete with a correctly positioned room thermostat.


I've not found it to be an issue - They compensate very well. In one room I have 2 rads in enclosures, so clearly in that environment they'd give a false reading, so that's the room I have the control unit (it has a sensor itself) as the sensor and disable the TRV sensors for that room. Additional remote thermostats are available too and you can configure it to your liking.

Used this for years and it dumps all over Nest and Hive.

Works with Amazon Echo too so you can request to set a room to a specific temperature or even ask what a particular room's current temperature is.

ok you confirmed me wanting one though selling this ype of gear years ago and have selecion of H/w controllers I was 90% there. The cost is near £500 setup and 3 year return for me in the bungalow. Taking into fact 3 years and any faults along the way was more got to have against payback.
Like now the heating goes off at 2300 and I was in my den (was the 2nd Bedroom now office) it was getting cold.
Now I've just had a PPI payout so the cost is out the window now and a case of getting the deal.
I'll be back to get the Life thing setup if you don't mind

Van197315 h, 29 m ago

I appreciate the intent of this system but I think it is seriously flawed. …I appreciate the intent of this system but I think it is seriously flawed. The TRVs control the temperature at a location right next to the radiator - but this is not the temperature of the room. TRVs are useful to assist with the temperature control of a of a room but will never compete with a correctly positioned room thermostat.





You can offset temperatures on the trv's so work out the room temp say 2m away, and then see what the trv reads. use that as the offset you will probably find >0.5 difference.

Mr.No8 h, 39 m ago

Used this for years and it dumps all over Nest and Hive. Works with …Used this for years and it dumps all over Nest and Hive. Works with Amazon Echo too so you can request to set a room to a specific temperature or even ask what a particular room's current temperature is.


What makes this better then a Nest and some Energenie TRVs? Surely you get the same per room control that the Evohome has but get the added "learning" the Nest brings to the table.

I'm in the market to replace my dial one so any advise would be appreciated

Original Poster

JellyFox123 m ago

What makes this better then a Nest and some Energenie TRVs? Surely you get …What makes this better then a Nest and some Energenie TRVs? Surely you get the same per room control that the Evohome has but get the added "learning" the Nest brings to the table.I'm in the market to replace my dial one so any advise would be appreciated





It’s a matter of night and day.





The energenie and nest use different systems so you have to log into a different app to set things.





The energenie valves are the same price as the Honeywell ones but seems to have really bad quality control issues on the reviews.





If you’re going to spend 150 on a nest and then the valves I would want a system that is at least compatible with each other.





And if you want to multi zone you have to buy multiple nests, which will be far more expensive than a single Honeywell.





The nest for example also won’t be able to automatically adjust the radiator valves to set the correct zone temp, if for example you left the valve closed and want to increase the temp, you would have nest turning on the boiler but the radiator valve still closed you have to set it manually.
Edited by: "gowf" 27th Nov

Ok, wasn't aware of quality issues, I'll have a look into that.

I've read you can control the Nest via the mi|home app so I'd only need one app.

I don't see why I'd need multiple Nests for multi zone, if I were to go Nest or Evohome it would be the same setup, I'd have the main thermostat (Nest) in the living room and TRVs in the bedrooms.

At the moment I'm drawn towards the Nest for its smart features, like the learning and it's motion detection etc... Am I right in thinking the Evohome doesn't have this and it's all to be programmed by the user?
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