Our Trusted Suppliers

At Optum, we work with carefully selected suppliers who share our commitment to quality, efficiency, and long-term performance. Every product we install is chosen because it supports healthier homes, smarter energy use, and systems we’re proud to stand behind.

Stiebel Eltron is a global leader in high-efficiency heating and hot water solutions, renowned for German engineering and innovation. Their heat pumps, hot water systems and ventilation units are designed for reliability, performance, and reduced energy consumption — making them ideal for New Zealand homes focused on comfort and sustainability.

Micos specialises in advanced underfloor heating controls and smart home integration. Their technology allows precise temperature management across different zones, ensuring comfort without unnecessary energy use.

Sunz is a New Zealand-based solar energy specialist providing smart and simple solar power solutions for homes and businesses across the country. They work with the latest solar technology and high-quality products to design and install efficient, cost-effective solar energy systems tailored to New Zealand’s unique environment. 

Zehnder is internationally recognised for premium ventilation systems that deliver outstanding indoor air quality. Their systems provide consistent, balanced airflow while recovering heat, helping homes stay healthier, drier, and more comfortable year-round.

Reece is one of Australasia’s most trusted suppliers of plumbing and bathroom products. With a strong focus on quality and availability, Reece provides the components and support that help ensure our systems are built to last.

Placemakers is a leading New Zealand building supplies partner, supporting construction projects of all sizes. Their reliability and nationwide presence help ensure projects run smoothly and on schedule.

Mitsubishi Electric is a world-renowned manufacturer of heat pump and climate control systems. Known for innovation and efficiency, their solutions deliver dependable performance across a wide range of New Zealand climates.

Ke Kelit is a global leader in piping systems for heating, cooling, and plumbing applications. Their products are engineered for durability, safety, and long-term performance in demanding environments.

Pump & Valve supplies specialised pumping and valve solutions critical to high-performance heating and water systems. Their technical expertise ensures every system operates safely and efficiently.