EML Mechanical

EML Mechanical is the company homeowners call after another HVAC outfit has already given up on the problem. On Google, 192 ratings average five stars, and the reviews describe a recurring pattern: a technician — usually Ed himself, or Marcus — arriving to find something a previous contractor never diagnosed correctly. The Stoneham-based company says it's owner-operated, run by Ed (Edward Lavelle), serving residential and light-commercial heating, cooling, ductwork, ventilation and maintenance work across Greater Boston and the North Shore. Its written record runs from 2021 through this week — 151 reviews on file, 27 of them in the last six months alone, none negative. Reviewers keep returning to specific fixes: a boiler back online within an hour of a vent-damper failure, a seized furnace fan motor replaced before 8:15am the morning after a 7:30am call, same-day diagnosis on a stalled commercial cooling unit. In a 2023 review, a homeowner described replacing a 26-year-old furnace crammed into a third-floor space in an old house — "not an easy task," the review says, but the crew finished it. More recently, one review described installing a full heat pump, furnace and AC system with exposed ducting across the 4th and 5th floors of a 100-year-old building, and another described solving a 1915 house's third-floor HVAC problem that several other companies had already failed to figure out. One reviewer, describing a heat pump explanation, noted the technician educated her on ongoing maintenance without talking down to her — a contrast she said is not always the norm. The company's Massachusetts HVAC/sheet metal contractor license is registry-verified active, and the Better Business Bureau grades it A+. Edward Lavelle, EML's president, was named among Plumbing & Mechanical magazine's 2025 Trade-Pro of the Year winners. There isn't much in the record to caution against here — the read leans on an unusually deep, consistently positive history, which is itself worth verifying with your own conversation rather than taking at face value. EML is a strong call for a heat pump conversion, a boiler or furnace swap in an awkward or older space, or ongoing upkeep — several reviewers mention joining its maintenance program and having small issues caught before they became expensive ones. Confirm current pricing and scheduling directly; the reviews describe fast response but no rate card.