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This app is nowhere near fit for purpose. It constantly crashes, rarely connects and often doesn’t save the new programs you have spent a long time inputting. The user interface is abysmal. Sadly this app seems to have been little more than an afterthought, when it is a vital part of a very expensive product. It is the sole method we have for programming our Elkatherm radiators which cost us thousands of pounds (all of our savings). 100% would avoid if at all possible.

The app is very outdated and never receives updates despite numerous reports of crash’s. whilst you are able to adjust the temp on each unit, the app will crash the next time you open it, making the adjustment time longer. is very user unfriendly compared to similar apps and products. Seems they sell you this great idea but in reality it’s pretty rubbish and forgotten about judging by the lack of updates

I find this app over-complicated and unreliable to operate with my Elkaterm radiators and would be unable to recommend this system to others, especially anyone who is not particularly technically inclined. However, I don’t know of any other digital app solution for operating this heating system. Warning: Do your research before purchasing. I didn’t do enough!

This is a very flaky app. We have had no end of problems with it constantly failing dropping out, then having to reconfigure everything. Latest example: it was working last winter, nothing has changed tech wise, nothing has been touched or fiddled with. Just tried to activate radiators now and it won’t connect saying that the hub is not recognised!! So Fustrating!! DO NOT INVEST IN THIS TECHNOLOGY!!!

This is a legacy thing from our radiator suppliers. User experience is poor with the app often failing to connect to the system. Find ourselves constantly having to close the app & reopen it to get it to connect.

Bought the system to control remotely for my country property but is very disappointing as communication often breaks down. Doesn’t work when you need it the most. Software needs radical upgrades. Can’t recommend.

Your app is terrible especially when I need to connect to it when I’m not at home it does not work. PLEASE FIX THIS

Frequently crashes and needs to be re-downloaded which requires reconfiguring the information and sticking a screw driver in the back of the hub. The hub is so delicate I have already had one that broke. And they are not cheap to replace. I have it installed on a phone and an IPad if I use one device the other device app crashes. Absolute piece of rubbish but I’m stuck with as it’s the only App that controls my radiators. Deserves zero stars.

Lots of problems with connecting remotely. Pointless having radiators that use this app if it doesn’t work for long periods of time

Will never connect unless I am at home on my own WiFi. This defeats the object of the heating system