MarkhamBuilding InspectionsInspections

Temperature Control In Dwelling Units

Published by City of Markham

This is the City of Markham’s document, as published on its website on 18 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Guide
Published by: City of Markham
Date: January 1, 2025
Also called: Temperature Control in Dwelling Units
For: builder
Building types: All building types
Pages: 3

Overview

Markham's Builder Tip No. 87, dated January 1, 2025 and updated to the 2024 OBC, on thermostats in new homes, filed with the City's housing tips under the 2024 Ontario Building Code. It quotes Articles 12.3.1.1. and 12.3.1.3. on programmable thermostatic control devices in each dwelling unit, including houses with a secondary suite, with four daily time periods, two day types, a manual override and settings of 13°C and 29°C, and the cases where a manual thermostat suffices. Its objective explains energy savings from setback schedules.

What it covers

12.3.1.1. Application
12.3.1.3. Temperature Control in Houses and Dwelling Units
Objective

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