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Grand Voyage Plumbing & Heating is an Auburn, New Hampshire company that says it has provided plumbing service since 2017. Its website describes plumbing and heating work including water heaters, boilers, drains, gas piping, fixtures, pumps, and filtration, and identifies the business as locally owned. Customers consistently describe prompt communication, clear explanations, clean workmanship, and reliable repairs. Recent reviews describe water-heater replacement, faucet and fixture work, well and water-softener projects, drain and pipe repairs, boiler and heating work, and emergency responses. One reviewer described a six-hour emergency job handled professionally, while another said the team returned a flooded building to service with a new high-efficiency boiler and water heater. The review history is strongly positive but includes isolated pricing and professionalism concerns. One reviewer reported receiving a quote double the price of other bids, and another gave a negative account of a visit with Matt. Prospective customers should confirm scope, pricing, and which technician will perform the work before authorizing a larger project. Grand Voyage is a sensible call for Southern New Hampshire homeowners needing plumbing or heating repairs, replacements, drainage, or water-system work. Confirm the written estimate, warranty terms, emergency availability, and current licensing details when booking.
Matt came out to assess the sand point well we have out back. He was very polite, informative, and knowledgeable. He explained all my sensible options.
They did a great job installing my new oil tank at a very reasonable price
Thank you so much - quick replies and same day service. The whole team was so helpful and informative.
Keith was really helpful and took the time to understand my issue. He did a great job diagnosing the problem and fixing it efficiently. I truly appreciate his professionalism, patience, and excellent service. I would definitely recommend him!
My kitchen faucet was leaking. Grand voyage did a great job replacing it. The spray hose now works without getting caught on valves below and the shut off valves are in working order, which I am very comforted in knowing. Thank you for your professional, efficient, skilled services-as always.
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1 change recorded — last scanned Sep 14, 2026.
On site within an hour, on a Sunday5.0
Four technicians swapped a 30-year-old system4.9
Fast emergency response4.9