Our work
Homes we have made quietly exceptional.
A few of the projects where heating, plumbing, ventilation and energy were designed as one system. Every home here runs the way it was drawn.

The Henderson Home
High-performance new build · Wānaka
A Stiebel Eltron air-to-water heat pump running underfloor heating, active ceiling panels, cooling and hot water, with heat recovery ventilation and fire sprinklers throughout. Twelve months in, it has far exceeded expectations for health and comfort.
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Camp Glenorchy
Eco retreat · Glenorchy
Solar thermal collectors, ground source heating, underfloor and full plumbing and drainage for New Zealand's most sustainable visitor accommodation. Named Project of the Year at the 2018 Master Plumbers Awards.
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Hidden Island
Architectural new build · Jacks Point
A 500m²-plus home run by a 30kW ground source heat pump with zoned underfloor heating, thermal storage, 5kW solar PV and wastewater treatment, designed for efficiency at scale.
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West Meadows Drive II
High-end new build · Wānaka
Designed with Three Sixty Architecture: full plumbing, drainage and gasfitting with an air-to-water heat pump, 3kW solar PV, Rotex thermal storage and zoned underfloor heating.
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In our clients' words.
Notes from homeowners, architects and builders who have experienced the finished result.
“Certainly one of the most professional and skilled subcontractors we have ever worked with.”
“Optum carried out the plumbing, gas and drainage services for our latest project in Wānaka. Their work is the tidiest we have ever seen.”
“The combination of solar, a smart Stiebel Eltron heat pump and a huge insulated hot water tank has been a revelation. Savings that will see the system pay for itself.”
“Once you have lived in a home like this, it would be a struggle to go back to living in a standard NZ built home.”
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Your home could be next.
Talk to us while your project is still on paper and every system on this page is designed in from the first drawings.
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