A Hermitage was well received by music critics. On review aggregator website, Metacritic, A Hermitage received an average rating of 82 out of 100 based on six professional critic reviews, indicating "generally favorable reviews". Adam Kivel of Consequence described the album as "experimental outfit blends traditional Korean music with sky-cracking post-rock." Alun Hamnett of Record Collector reviewed "Genuinely experimental, A Hermitage is a tremendously exciting release which demonstrates there is still new territory to be explored in heavier music; it need not always rely on tried and tested formulae."