Andy Argyrakis of CCM Magazine rated the album four out of five stars, stating that Furler "translates his previous act's glory days to present tense.

"[1] At Indie Vision Music, Jonathan Andre rated the album four stars out of five, writing that the release "provides us with sounds of what 3 piece acoustic pop/rock would sound like, and the result is ten tracks that speak about love, hope, life, God, emotion, encouragement and songs to declare out with fervent praise as Peter, Dave and Jeff solidly debut an album that’s destined to be a standout amongst CCM/pop/indie rock fans alike.

"[5] According to DiBiase he says that "It's a wonderful reminder of how diverse in style, topics and emotions Christian music can (and used to) be, and a great first effort from Peter Furler Band.

"[6] Weaver writing that the release is "a bit refreshing" because "This may not be the best pop-rock album to come out this year, but it's pretty solid nonetheless.

"[7] At New Release Tuesday, Marcus Hathcock rated the album two-and-a-half stars out of five, stating that "Sun and Shield highlights lots of things that are good about Peter Furler, but sadly they're mired in a lot of sub-par production": however, he says that "If you can focus on the foundation of the songs, the incredible wordplay, and the fun Aussie-sounding musical licks, then you'll be in a good spot with this album.