While the 49ers’ previous home in Candlestick Park often greeted fans with wind-chilled conditions, the team’s state-of-the-art venue in Santa Clara has the opposite problem, a glaring one to many who visit.

Michael Bidwill took the local media on a tour of University of Phoenix Stadium’s club level before Saturday’s preseason opener against the Chargers, pointing out myriad upgrades from a recent $28 million renovation.