SH: I'm going to turn the heat off.
SH: But it's not supposed to get that cold tonight! We shouldn't need it!
Me: Then it won't click on. But what if it does get cold? [As it has been since last October.] I don't want to wake up to a freezing house.
SH: But what if we forget to turn it off before we leave for your mom's?
Me: Then if it gets cold, which it probably will, although actually, the weather will probably be perfect while we're gone, the heat will come on so the cats won't freeze.