Corestone Plumbing & Heating

Corestone Plumbing & Heating, based in Tapanui, specialises in hydronic central heating across Southland and Otago, with work in Gore, Invercargill, Lumsden, Queenstown and nearby. It designs and installs air-to-water heat pumps that feed radiators or underfloor heating, along with diesel and gas boiler systems, radiator heating and heat pump hot water cylinders. Plumbing and drainlaying run alongside the heating work, including cylinder replacements, renovations and water filtration. It works with homeowners, architects and builders on new homes, sleep-outs and offices, and covers both residential and commercial heating. The team favours European heating systems built for the cold South Island winters, and the air-to-water units can drive multi-zone setups with smart thermostat control. Water filtration systems and blocked drain work are also on the list. Rated 5.0 from 3 Google reviews.