Maximizing the life span of central air conditioner
Most homeowners start worrying about the life span of central air conditioner systems only after hearing a weird clunking sound in the middle of a July heatwave. It's one of those "out of sight, out of mind" appliances until it suddenly isn't. When everything is working fine, we just take that cool breeze for granted. But the second it dies, we're staring at a four-figure (or five-figure) bill and wondering where we went wrong. ...