Providing specialist products & services for high performing spaces.

5Merchants is a provider of high-performing and PassivHaus products and services to the New Zealand market, enabling our clients to live out their vision of creating healthy and comfortable environments where kiwis can thrive.

We are passionate about our high-performing and energy-efficient windows, heaters, water systems, attic stairs, ventilation systems, and air and weather-tightness products. Whether you’re seeking cutting-edge components or innovative solutions for new builds or renovations, our comprehensive range has you covered. Partnering with the best industry suppliers, 5Merchants offer the highest quality range of high-performing components at competitive prices. We are proud distributors of Stiebel Eltron, Zehnder, Energate, and ECOWINDOWS, and the exclusive distributor of SIGA products in New Zealand.

5Merchants also offers services that ensure your ventilation and window design and installation are done properly, Blower Door Testing to ensure your building is airtight, and Home Performance Audits to empower homeowners with data-driven solutions, ticking all the right boxes.

A brand of ecoBuild Developments Ltd, 5Merchants is part of a new wave of design and construction for anyone looking to build energy-efficient and high-performing homes.