Let Zero

LetZero is a shared smart heating app for landlords and tenants that transforms the way residential properties are heated and monitored. Whether you’re a landlord managing multiple properties or a tenant in a flatshare, LetZero offers everything you need to control your radiator, monitor usage, and save energy.

No complicated setup or external hardware — just add radiators via QR code and manage everything from your phone.

Landlord Features:

Add and manage properties directly in the app
Scan QR codes to register radiators
Monitor radiator usage by room or tenant
Access real-time and historical energy data
Use machine learning to forecast future usage


Tenant Features:

Control radiator on/off with one tap
Track your own heating usage
Understand your energy habits
Use responsibly and cut energy waste


Smart Predictions
LetZero uses machine learning to provide personalised insights, helping both landlords and tenants cut heating costs and stay energy efficient.