Some of the more impactful research has been looking at things like heat recovery ventilators in homes, recognizing that in a southern landscape, these systems are certified, for example, to perform for so many days at -5°C. That's inadequate for the north, so we've been working very closely with manufacturers to install heat recovery ventilators in a northern context that will perform under the conditions that can be expected in that climate.
On May 28th, 2024. See this statement in context.