---
title: Is it normal to have a burning smell come off my ZEB?
description: When the ZEB is first installed there may be residual binders in the insulation, which may be released on the first few cycles, which might produce a smell. The binders are biodegradable and safe. The
---

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February 20, 2026

# Is it normal to have a burning smell come off my ZEB?

## Initial ZEB cycles or post-service may emit a harmless smell, which disappears after several charge/discharge cycles.

When the ZEB is first installed, residual binders in the insulation may be released during the initial cycles, sometimes producing a temporary smell. These binders are biodegradable and safe. A similar smell may occur after any service work, but it will dissipate after several charge/discharge cycles. The ZEB’s heat storage core temperature is closely monitored, with fail-safes to prevent overcharging.

If the smell persists, please contact our Support Team via the tepeo App or at [**www.tepeo.com/contact-us**](http://www.tepeo.com/contact-us)

 

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