[OpenTRV-interest] Evohome like system

[Chris Skerry]

Damon,

I don’t know what I am talking about, but your '10% if ignored and 50% if utilised', gave me a thought.

Why not develop a learning system?  Most people have a 7 day cycle of heating need.  Even retired old geezers like me behave differently on Sat/Sunday.  Most day’s activity will be a repeat of the day before.  The computer can tweak the zones/temperature/timing according to a 365 day calendar, the older the system gets the more accurate will be its predictions.  You will need a sensor to record when people move into a zone.

A brilliant little iPhone App will enable the user to help the programme learn too.

There is a roundabout near me with lights.  It has a learning system with a 365 day calendar that varies the lights timing according to what it has learned.  I still hate the lights, but it is much better than it was.

Regards,………Chris


> On 30 Jan 2015, at 08:55, Damon Hart-Davis <EMAIL ADDRESS HIDDEN> wrote:
> 
> Hi
> 
> OpenTRV is about zoned occupancy-sensitive space heating that can give up to 50% energy savings if fully interacted with, and ~10% if you ignore it!
> 
> The current engineering ‘split’ solution uses a hand-held controller third-party valve driver; our all-in-one solution going through production engineering right now has our own mechanics also.
> 
> In either case these can operate stand-alone, or also control the boiler to maximise savings.
> 
> If you want to use the engineering ‘split’ solution based on the REV2 board then I can sell you one of those at cost and point you to the Conrad Web site for the matching valve controller.
> 
> There are other possibilities, but not instantly available.
> 
> Rgds
> 
> Damon
> 
> 
>> On 29 Jan 2015, at 18:14, Perry Ismangil <EMAIL ADDRESS HIDDEN> wrote:
>> 
>> Hi all,
>> 
>> I was looking to see whether I can build an evohome like system but more open.
>> 
>> Is this what OpenTRV all about?
>> 
>> It seems, CMIIW, this is the controller only, and the TRVs are already out there (not needing manufactured)?
>> 
>> If I want to make an experiment now, which TRV is recommended?
>> 
>> -- 
>> Perry Ismangil
>> me.ismangil.com
>> 
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