It does work better to have them outside. The filtering in the bags + window after is better than window + bags. I have actually tested this.

Outside though like Ed mentions, really really hard to secure these.

Inside they can kind of smell and it looks really bad - sunlight heat sits between bag and window.

Those are your main pros/cons.

It does work better to have them outside. The filtering in the bags + window after is better than window + bags. I have actually tested this.

Outside though like Ed mentions, really really hard to secure these.

Inside they can kind of smell and it looks really bad - sunlight heat sits between bag and window.

Those are your main pros/cons.

If this is long term I would think about tinting solutions or shutters that close.

It does work better to have them outside. The filtering in the bags + window after is better than window + bags. I have actually tested this.

Outside though like Ed mentions, really really hard to secure these.

Inside they can kind of smell and it looks really bad.

Those are your main pros/cons.

It does work better to have them outside. The filtering in the bags + window after is better than window + bags. I have actually tested this.

Outside though like Ed mentions, really really hard to secure these.

Inside they can kind of smell and it looks really bad - sunlight heat sits between bag and window.

Those are your main pros/cons.