<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi all - first time contributing here,<div class=""><br class=""></div><div class="">Firstly, the Met Office has a decent API for weather data <a href="http://www.metoffice.gov.uk/datapoint" class="">http://www.metoffice.gov.uk/datapoint</a> Full disclosure - I work there so I'm biased!</div><div class=""><br class=""></div><div class="">Secondly, one idea is to use the forecast temperature to preemptively adjust the house. You would need to parameterise the heat capacity of the house but I think an algorithm might be able to learn that over time. Just an idea - not sure if it would work.</div><div class=""><br class=""></div><div class="">Niall</div><div class=""> </div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 22 Dec 2016, at 11:43, Joseph Heenan <<a href="mailto:joseph@heenan.me.uk" class="">joseph@heenan.me.uk</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class=""><br class=""><blockquote type="cite" class="">On 22 Dec 2016, at 11:39, Simon Hobson <<a href="mailto:linux@thehobsons.co.uk" class="">linux@thehobsons.co.uk</a>> wrote:<br class=""><br class="">Could also bung one outside to get outside temperature which is a useful statistic when evaluating heating system performance.<br class=""></blockquote><br class=""><br class="">WeatherUnderground (and a couple of other places) provide API feeds with local external temperature readings, that might be another option that's close enough.<br class=""><br class="">Joseph<br class=""><br class="">_______________________________________________<br class="">OpenTRV-interest mailing list<br class=""><a href="mailto:OpenTRV-interest@lists.opentrv.org.uk" class="">OpenTRV-interest@lists.opentrv.org.uk</a><br class="">http://lists.opentrv.org.uk/listinfo/opentrv-interest<br class=""></div></div></blockquote></div><br class=""></div></body></html>