iPhone Screenshots


Kelvin enables access to your biomass furnace systems from wherever you go. You can view the live status of your biomass furnace along with all its sensor values and more.

Display live furnace sensor values
Ability to view min, max, and average values for custom date range
Ability to share your furnace
Export data by custom date range
Optional furnace notifications

What’s New

Version 1.5.8

Bug Fixes

Ratings and Reviews

5.0 out of 5
2 Ratings

2 Ratings

Bcela ,

Great new interface and speed

Commenting has become much easier, and data exports are lightning fast!!!

App Privacy

The developer, ClearStak, LLC, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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