We recently did a window replacement project in Costa Mesa, CA! These single-hung windows are a great option for every home. Since one of the panes of glass is fixed in place, it does an incredible job at sealing your home! There’s less opportunity for air infiltration, meaning you’ll waste less money on heating and cooling costs. When old windows don’t properly seal, the money you spend on heating/cooling literally goes out of the window! Plus, sealed windows mean less risk of water damage, mildew, or dreaded moldy window frames.