Heatwaves in Canada are becoming more intense and lasting for longer periods. Heat waves can pose a serious risk to the wellbeing of many Canadians. Developing robust localized heat health warning systems are important to prevent heat-related illnesses, provide heat-relief programs, guide policy and municipal planning, and may help to prevent deaths from extreme heat.

This study will use thermostats to collect indoor temperature to see if indoor temperatures are higher than outdoor temperatures. The study will take place from May 1, 2022 to September 30, 2022.