Heat pumps could fundamentally shift the way we heat and cool our homes, but high costs and misconceptions about their performance in cold weather have served as barriers to their mass adoption in North America.So how do they work? How effective could they be in reducing carbon emissions? And what's being done to make them more attainable for the average household?GUEST: Matt Simon, Senior staff writer, WIRED We love feedback at The Big Story, as well as suggestions for future episodes. You can find us:Through email at hello@thebigstorypodcast.ca Or @thebigstoryfpn on Twitter