---
title: How does Smart Charging Work?
description: "Our Smart Charging algorithm charges the ZEB at the cheapest and greenest times of the day, ready for when you need it. This factors in: Like many smart electric boilers, the ZEB works best with “time"
---

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February 2, 2026

# How does Smart Charging Work?

## Smart Charging heats your home at the cheapest, greenest times, optimising for weather, usage, carbon intensity, and time-of-use tariffs.

Our Smart Charging algorithm charges the ZEB at the cheapest and greenest times of the day, ready for when you need it.

This factors in:

- Local weather.
- How much heat your home uses.
- The carbon intensity of electricity and the pricing of your energy tariff.

Like many smart electric boilers, the ZEB works best with “time of use” or “flexible” tariffs where the price you pay for electricity changes throughout the day.

- [Product Information](https://helpcentre.tepeo.com/product-information?hsLang=en#main-content)

    - [Product Overview](https://helpcentre.tepeo.com/product-information?hsLang=en#product-overview)
    - [Technical Specifications](https://helpcentre.tepeo.com/product-information?hsLang=en#technical-specifications)
    - [Cost and Carbon](https://helpcentre.tepeo.com/product-information?hsLang=en#cost-and-carbon)
    - [Energy Tariffs](https://helpcentre.tepeo.com/product-information?hsLang=en#energy-tariffs)
    - [Maintenance and Care](https://helpcentre.tepeo.com/product-information?hsLang=en#maintenance-and-care)
- [Installation](https://helpcentre.tepeo.com/installation?hsLang=en#main-content)

    - [Where should I put my ZEB?](https://helpcentre.tepeo.com/installation?hsLang=en#where-should-i-put-my-zeb)
    - [Electrical and plumbing requirements](https://helpcentre.tepeo.com/installation?hsLang=en#electrical-and-plumbing-requirements)
- [User Support](https://helpcentre.tepeo.com/user-support?hsLang=en#main-content)

    - [The ZEB](https://helpcentre.tepeo.com/user-support?hsLang=en#the-zeb)
    - [Tariffs](https://helpcentre.tepeo.com/user-support?hsLang=en#tariffs)
    - [Comms Box](https://helpcentre.tepeo.com/user-support?hsLang=en#comms-box)
    - [Automated Charging styles (Smart, Basic, Custom)](https://helpcentre.tepeo.com/user-support?hsLang=en#automated-charging-styles-smart-basic-custom)
    - [Boost Charge](https://helpcentre.tepeo.com/user-support?hsLang=en#boost-charge)
    - [Away Mode](https://helpcentre.tepeo.com/user-support?hsLang=en#away-mode)
    - [ZEB Connectivity](https://helpcentre.tepeo.com/user-support?hsLang=en#zeb-connectivity)
    - [User & account Management](https://helpcentre.tepeo.com/user-support?hsLang=en#user-account-management)
    - [App Insights](https://helpcentre.tepeo.com/user-support?hsLang=en#app-insights)
    - [tepeo Care Plan and ZEB Health Check](https://helpcentre.tepeo.com/user-support?hsLang=en#tepeo-care-plan-and-zeb-health-check)
    - [General/Miscellaneous](https://helpcentre.tepeo.com/user-support?hsLang=en#general-miscellaneous)
    - [Troubleshooting and common ZEB problems](https://helpcentre.tepeo.com/user-support?hsLang=en#troubleshooting-and-common-zeb-problems)
- [Documents](https://helpcentre.tepeo.com/documents?hsLang=en)

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