JN Service HVAC & Plumbing

A July 2026 customer says JN stayed with an AC replacement through multiple trips and adjustments in a tight attic until everything worked properly. JN Service HVAC & Plumbing says it is based in Walpole and serves Massachusetts and Rhode Island with heating, cooling, plumbing, and electrical installation, repair, and maintenance. Google lists 4.7 stars from 220 ratings. Heat pumps and mini-splits feature in recent customer accounts. A July customer praises Cauet's communication from quote to completion of a heat pump and mini-split installation. In a June review, a customer says Marcelo explained how the new heat pump worked, answered their questions, and checked that it was running properly before leaving. An August customer says Wendel's mini-split cleaning and maintenance improved how the units worked and left no mess. Repair customers describe specific results, too. A May 2026 reviewer says JN came the day after a call about central AC, and Marcelo fixed the problem quickly at a cost the customer considered reasonable. A July customer reports a same-day emergency leak repair and says the company kept them informed. That customer also credits JN with help converting their heating system and navigating Mass Save. The company describes itself as Mass Save Certified. In a March 2026 review about a February emergency, a customer says Junior and his crew replaced a failed split heater/cooler's indoor unit and exterior condenser within a couple of days, working until 9 p.m. at their home. The complaints include disputes over diagnosis, cost, and follow-through. A June 2026 customer says they paid $200 for a sewage ejector pump visit without the lid being opened, received a $3,100 replacement quote later reduced to $2,500, and fixed the pump themselves by cleaning it. A December 2025 reviewer describes a high quote for work they considered unnecessary. A September 2025 reviewer complains about heat-pump performance in cold weather and says they had to go to court to recover a deposit after cancelling. Older accounts raise other concerns. A December 2024 reviewer reports repeated late appointments without calls and paid-for parts still undelivered weeks after service was cancelled. In November 2024, an oil-burner customer describes red ash footprints that remained after cleaning, alleges the worker and owner lacked oil-burner licensing, and says the refund was processed two days after it was first promised. An August 2024 customer says cooling remained poor after a refrigerant recharge and describes difficulty communicating through a translation app. A May 2025 dryer-vent customer, meanwhile, says JN resolved a final-price miscommunication and left them satisfied.