Lived in TX all my life. Every residence I’ve seen has had a heat pump for decades. The the thing is though it switches to resistive heat at something like 20F

Lived in TX all my life. Every residence I’ve seen has had a heat pump for decades. The the thing is though it switches to resistive heat at something like 20F when they are no longer efficient. Rarely a concern in TX, most of the time we’re complaining it’s over 100F!