Established in 2015, OneAir is a leading air conditioning contractor specialising in the maintenance, repair, and installation of heat pumps and ventilation systems. Our team of certified professionals delivers exceptional service with precision and care. We offer expert diagnosis, preventative maintenance, and seamless installations tailored to your specific requirements.

Highlander Heating provides expert hydronic heating, boiler installation, diesel boiler replacement, air-to-water heat pumps, underfloor heating installation, and full servicing/maintenance across Otago. With years of experience working on complex systems — from older 1920s homes to modern builds — we focus on reliability, efficiency, and honest advice. Known for fixing tricky setups and delivering clean, dependable installs, Highlander Heating is a trusted local partner for warm, efficient homes and commercial spaces. Most recent win: “Great service — very efficient and knowledgeable. Neil has always kept our system running perfectly. Highly recommend.” — David L, ⭐⭐⭐⭐⭐ Google Review