I used to be an engineer at Lennox.. HVAC is a mature and boring industry, so I can understand how it doesn't usually generate much interest among people who ar

I used to be an engineer at Lennox.. HVAC is a mature and boring industry, so I can understand how it doesn't usually generate much interest among people who are attracted to startups. However, just because the industry is very mature doesn't mean the incumbents aren't innovating. I haven't been at Lennox for several years now. I just searched their heatpump offerings, and they look comprehensive. I'm not sure what to tell you, but good luck.