HVAC Licensing and Certification NZ: What You Need to Operate Legally
Unlike some trades, HVAC in New Zealand requires compliance across multiple regulatory frameworks — refrigerant handling, electrical work, and optional but commercially important accreditation programmes. Here's what you need and how to keep it current.
The key point
HVAC in NZ spans two separate regulatory frameworks: environmental law (refrigerant handling, EPA) and electrical law(prescribed electrical work, EWRB). You need to be compliant with both to operate a complete heat pump installation business. Many HVAC technicians hold only the refrigerant licence and subcontract the electrical work — that's a valid model, but the arrangement must be formal and the electrician must be EWRB-registered.
Licences and Certifications for NZ HVAC Businesses
Refrigerant Handling Licence (EPA)
RequiredRequired for anyone who purchases, handles, transfers, or recovers refrigerants in NZ. Issued by the Environmental Protection Authority (EPA) under the Ozone Layer Protection Act 1996. Covers HFCs (like R32 and R410A used in most modern heat pumps) and older HCFCs. Without this licence, you cannot legally purchase refrigerant from wholesalers or handle it on-site.
How to obtain
Apply through the EPA — requires proof of qualifications in refrigerant handling and safe handling practices.
Renewal
Annual renewal — check expiry and set a reminder 8 weeks in advance.
EWRB Electrical Practising Licence
RequiredHeat pump installations require electrical connections — both the indoor/outdoor unit wiring and the dedicated circuit from the switchboard. In NZ, this is prescribed electrical work under the Electricity Act 1992, regulated by the Electrical Workers Registration Board (EWRB). If you are not EWRB-registered, you must subcontract the electrical work to a registered electrician.
How to obtain
Register at ewrb.govt.nz — requires completion of a trade qualification and registration examinations.
Renewal
Annual practising licence renewal.
Warmer Kiwi Homes Accredited Installer
Strongly recommendedNot a legal requirement, but a commercial necessity if you want to participate in the EECA government subsidy programme. Eligible homes receive a partial subsidy for heat pump installation — making heat pumps affordable for a much larger portion of the market. Being accredited means you are listed on the EECA installer register and can offer the subsidy to qualifying customers.
How to obtain
Apply through EECA — requires proof of qualifications, insurance, and compliance with installation standards.
Renewal
Ongoing compliance — EECA may conduct audits of accredited installers.
Manufacturer Accreditation
Strongly recommendedMitsubishi Electric, Panasonic, Daikin, Fujitsu, and most major brands have approved or preferred installer programmes. Accreditation typically unlocks extended warranty eligibility (e.g., a standard 5-year warranty extended to 6 or 7 years when installed by an approved installer). Customers increasingly ask about this — it's a differentiator worth pursuing.
How to obtain
Contact each brand's distributor or national office — requirements vary by brand.
Renewal
Usually annual or tied to installation volume requirements.
Refrigerant handling without a licence
Handling refrigerants without a current EPA Refrigerant Handling Licence is a criminal offence under the Ozone Layer Protection Act 1996. This includes purchasing refrigerant, charging systems, or recovering refrigerant for disposal. The fines are substantial and the licence is straightforward to obtain — there is no justification for trading without it.
Refrigerant Record-Keeping Requirements
The EPA requires records of all refrigerant purchases and use — not just the licence
Holding a Refrigerant Handling Licence is only part of the compliance requirement. You must also maintain records of:
These records must be kept for at least 5 years and be available for inspection by the EPA. Keeping them in a paper logbook in the van is technically compliant but risky — if the logbook is lost or damaged, you have no records. Recording refrigerant usage per job in your job management system means the records are automatically maintained and backed up.
Compliance Checklist for Operating HVAC Businesses
The Electrical Subcontract Model
Many HVAC businesses operate successfully without an in-house EWRB-registered electrician — using a subcontract arrangement with a local electrical contractor for all wiring connections. If this is your model:
Keep Compliance Records Organised with TPT HVAC
Log refrigerant usage per job, store warranty and commissioning records against each installed unit, and track your licence renewal dates — all from one system. Free for 14 days.