Vaillant vSMART Control User Reviews

Top reviews

Simply doesn’t work

If there was zero stars I would gladly assess this app so.
Constantly receiving “We could not register your thermostat. Please contact Vaillant support”. Local support refers to some unknown guys who keep eye on the central server and those guys are unreachable.
The thermostat costs a bunch of money.
I don’t recommend this app and the device at all.
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Very useful tool.

I have been using the app for more than 3 years and it has benn very useful to understand and have more control over the cost of the heating . It shows when it began to work to reach the level you wanted at set time, indoor and outdoor temperature, when it will finish the manual setting and begin auto again.
The graphics are very good , you can see when the auto is going to set the heating again, how much time the boiler was on, you can program when the boiler is going off and on automatically, not only by the time , but by the temperature as well. For me it has been great. 4 stars because the explanation , the vocabulary in the help window is too technical for the normal user like me.
About the desconection issues, in more than 3 years maybe happened 3 times and after connected via bluetooth, quickly done, it always sorted it out.
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Good Timing

I just wish Vaillant were as good at building apps as they are at producing boilers. On the rare occasion you can get the app to actually work without it coming up with a fault message, they only go and decide to do a server update in the middle of Winter rendering the app completely out of action and this is now day 2. Perfect timing Vaillant, not!!!!!! A great deal of expense for a feature which should be making my life easier and warmer at my convenience, not!!! More like a complete waste of my money and my time and I was much better off with the good old fashioned thermostat and timer on the wall, at least I could rely on having my heating come on at the correct time and temperature.
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Some ideas for future functionality

I purchased Vsmart because it didn’t just act as a digital thermostat and schedule. The fact that you can access the boiler curve ( increasing the temperature of heating flow ). Overall I like the functionality , but like others I think there are 2 areas to be developed.

For the general user
There is the need for wireless Radiator valves and the ability to adjust the radiator flow temperature ( without having to go into advanced settings and being able to understand “curves”)

Fur the more techi, ( especially someone looking to fine tune the system). Access to information already available on the boiler display would be useful). To illustrate the point, my boiler is in attic space and checking stem pressure is a pain. It would be useful if all service codes were available in the advanced ( or even a service ) section. That way more info could be given to the boiler engineer.

A real treat would be the ability to choose what variables are trended (say limit of 4), which would allow efficiencies to be tuned to the installation.

For example. Choosing outside temp. Energy used and flow temperature along with heating events, would show how the boiler is achieving the inside temperature.

Adding different curves ( output profiles) for rising or falling temperatures.

I have loads of ideas, so if someone from developments need some specifications. Get in touch
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