A different house is used for the setting of "Quinn's house" in this episode.
Quinn: We might be able to rebuild your equipment. Get a line on where you sent everyone.
Alt-Quinn: I told you, that's impossible.
Rembrandt: Well, every now and then we've managed to do the impossible.
Rembrandt: Well, Quinn finds out he's from another world. Your home is blown up and mine is taken over by Kromaggots. I guess we're all shipwrecked in one way or another. But at least we're all floating on the same piece of driftwood.
Rembrandt: (watches as Quinn picks up some gizmo from the shelf) Hey, what's the deal? That's not on the list!
Quinn: It's a biomed scanner. If the world he Slid everyone to already had people on it we'll need some way to differentiate the ones from here so we can Slide them back. I might be able to adapt this to detect the trace lighting signature in their cells.
Rembrandt: You know, I was just going to suggest that very same thing.