Baystate Energy Services

The single most repeated fact about Baystate Energy Services is what time they turned up. Saturday at 10pm in a June heatwave. A Friday night spent chasing a fault nobody else could find. The evening of 4 July, at a house with small grandchildren and a heavily pregnant daughter in it. 7:30pm after a long day, because they had said they would come even if it ran late. Across 124 Google ratings averaging 5.0 and more than a hundred written reviews since 2024, the recurring phrase is not "quality" — it is "within the hour". Jay — Jason Stahlberg, whom a June 2025 customer names in full and another calls "the Owner" — is in most of those accounts as the person on the ladder rather than the person who sold the job. The second theme is money, specifically Mass Save. An October 2025 customer facing quotes over $10,000 elsewhere was told the state programme might cover it and ended up with a whole new system at no cost. A September 2025 whole-home heat pump job — ductless mini-splits plus a ducted system for the second floor — was finished in three days with the rebate paperwork handled. A June 2025 customer got a mini-split and a ceiling fan for half the other estimate they had. The repair stories carry the diagnostic detail. In July 2026 a fault nobody could place took a Friday night to find; a colleague, Pete, then replaced the compressor, crawled the attic to trace the lines and corrected work the original builder had missed. On a call-out this month the system turned out to be two and a half years old and sloppily installed by someone else, and pinning the fault down involved a phone call to Mitsubishi's technical support. In January 2026 an aging oil system that would not fire was traced to two compounding problems after another company had insisted on a new furnace. Two things to keep in proportion. The written record only begins in 2024, so this is a young public history however long the people in it have been at the work. And the single dissenting note anywhere is a September 2024 Thumbtack booking that reads "Cancelled morning of" — an appointment, not a job. If your heat or air conditioning has just failed anywhere around Plymouth, this is the shop the reviews say answers. If it is a full system replacement, ask them to walk you through Mass Save before you accept anyone's quote.