HVAC Services for Every Stage of Your System’s Life
Trusted Support from New Zealand’s Commercial HVAC Experts
At AHI Carrier NZ, we provide comprehensive HVAC services tailored to the unique needs of commercial, industrial, and high performance buildings across New Zealand. Whether you're maintaining a chilled water system, upgrading ageing air handling units, or planning a full plant room retrofit, our expert team delivers reliable, forward thinking solutions that improve system efficiency, reduce downtime, and extend equipment life.
From reactive support like emergency HVAC repairs to long-term strategies such as preventative maintenance and modernisation, we’re here to support your building’s performance at every stage.

Explore Our Core Services

  • Chiller Maintenance

    Stay ahead of costly breakdowns with regular chiller servicing. Our team ensures system efficiency, detects performance issues early, and provides certified support for Carrier chillers.

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  • Planned HVAC Maintenance

    Tailored maintenance programmes for your HVAC assets to maximise uptime, optimise energy use, and extend lifecycle value while supporting your compliance and comfort goals.

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  • System Replacement Services

    Upgrading aging equipment? We manage the entire HVAC replacement process—from scoping and design to seamless installation with minimal disruption to operations.

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  • Emergency HVAC Repairs

    When equipment fails, our nationwide rapid response team is ready to restore system function fast. 24/7 emergency support available for mission critical environments.

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  • Chiller Optimisation & Modernisation

    Unlock better performance and lower energy costs from your existing chiller with advanced upgrades, controls tuning, and retrofit options tailored to your plant.

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  • Air Handling Unit Upgrades

    Breathe new life into old AHUs with fan upgrades, filtration improvements, and EC motor retrofits designed to improve airflow, efficiency, and indoor air quality.

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  • Preventative Maintenance

    Reduce operational risk and extend system longevity with proactive service strategies. Our team delivers HVAC PM tailored to your assets, usage patterns, and compliance needs.

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  • R22 Replacement Services

    If your HVAC equipment still runs on R22 refrigerant, we’ll help you transition to compliant, efficient alternatives before breakdowns or regulations force your hand.

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  • Retrofit & Energy Services

    Modernise legacy systems with energy-efficient HVAC upgrades. Our retrofit solutions combine sustainability, lower OPEX, and future-ready design without full system replacement.

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Need Expert HVAC Support?

Get in touch for a tailored service recommendation or to schedule a consultation with our experienced technical team.

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