Shutting up the house at night B1
Locking up and turning things off before bed to keep the bills down.
close the door — shut a doorA: It's getting cold in here.
B: Oh, sorry! I'll close the door.
close the window — shut a windowA: It's a bit noisy outside.
B: No problem, I'll close the window.
save energy — use less energyA: Why do you always unplug your phone charger?
B: It helps save energy, even when I’m not using it.
Before bed
A: Can you close the window in the lounge? It's freezing.
B: Will do. I'll close the door as well to keep the heat in.
A: Cheers. Switch the lamps off too — every little helps to save energy.
Heading out
A: Have you closed the window upstairs before we go?
B: Yeah, and I've turned the heating right down to save energy.
A: Nice one. Just close the door properly behind you, it sticks a bit.