PiHome – Smart Heating Control screenshots, live demo is available at http://www.pihome.eu/piconnect/ I do not have my raspberry pi connection to outside world neither i recommend to do so.
These screenshots were taken from PiHome version 1.0 which was released on 7th April 2018, since then lot has changed and improvements are added to PiHome Smart Heating.

PiHome Login Page

PiHome Home Page

PiHome One Touch

One Touch – Override settings for each zone

One Touch – Boost Settings

One Touch – Night Climate

Schedule for Selected zone and desired temperature

Recent Boiler Logs

Weather Forecast

All Schedule List with current active schedule in red circle. each schedule can be disabled by simple taping on circle.

PiHome Schedule Details

Zone temperature chart for last 24 hours. Vertical light orange lines represent when boiler was one for this zone.

Saving on Gas bill based on Schedule start and stop

Over last one year saving and consumption of gas boiler time.

PiHome Settings

Frost Protection Settings

Wireless Temperature Sensors

Zone and correspondence controller id

Raspberry Pi WiFi Status