When a heat pump problem is an emergency
Not every heat pump fault needs an urgent callout, but some situations do need same-day or after-hours help. In New Zealand, emergency usually means the unit has failed at a time when heating or cooling is needed for safety, health, or preventing property damage.
A heat pump issue is more likely to count as an emergency if:
- there is **no heating during a cold snap**, especially if there are babies, elderly people, or unwell family members in the home - the unit is **smoking, sparking, tripping the switchboard, or giving off a burning smell** - there is **water leaking inside the house** and it is damaging walls, ceilings, flooring, or insulation - the system is making a **loud mechanical noise** that suggests a seized fan, broken compressor, or loose part - the indoor unit or outdoor unit has been **damaged by storm, flooding, lightning, or fallen debris** - the unit appears to have an **electrical fault** that could create a shock or fire risk - a rental property or holiday home has lost heating/cooling and there is a **duty of care issue** for occupants
A problem is usually **not** an emergency if:
- the heat pump is simply not performing as well as expected - the remote batteries are flat - the filters are dirty - the unit needs a routine service or gas check - the room is slightly too warm or cool, but the system is otherwise working
If you are unsure, err on the side of safety. A heat pump combines electrical components, refrigerant, and often wall-mounted installation, so a fault can become serious quickly.
What to do immediately before you call
Before contacting an installer, take a few quick steps. These can reduce risk, sometimes solve the problem, and help the tradesperson diagnose the fault faster.
1. **Turn the unit off at the controller and isolator** if you notice smoke, burning smells, sparks, or unusual noise. 2. **Check the switchboard** to see whether a circuit breaker or RCD has tripped. 3. **Look for obvious blockages** such as dirty filters, closed vents, leaves, or ice around the outdoor unit. 4. **Check the remote settings**. Make sure the unit is not on a timer, fan-only mode, or the wrong temperature. 5. **Inspect for leaks**. If water is coming from the indoor unit, place towels or a bucket underneath and protect flooring. 6. **Photograph the fault** if it is safe to do so. Pictures of error codes, leaking, ice build-up, or damage can save time. 7. **Keep everyone away** from any electrical smell, sparking, or water around power points.
If there is smoke, fire, or a strong burning smell, treat it as an electrical emergency. Leave the unit off and call **111** if there is immediate danger.
Who to call for urgent heat pump help in NZ
The right person depends on the likely fault.
| Problem | Who to contact | Notes | |---|---|---| | Heat pump won’t turn on, trips power, sparks, smells burnt | **Qualified electrician / heat pump installer** | Electrical fault may need urgent attention | | Indoor unit leaking water | **Heat pump installer / HVAC technician** | Could be blocked drain, condensate issue, or installation fault | | No heating/cooling, error code, poor airflow | **Heat pump installer / service technician** | May be a refrigerant, sensor, or compressor issue | | Outdoor unit damaged by storm or impact | **Heat pump installer** | Safety check may be needed before re-starting | | Gas heater issue instead of heat pump | **Licensed gasfitter** | Different trade and rules apply |
In New Zealand, many heat pump installers are also electricians or HVAC technicians. For some repairs, particularly anything involving refrigerant or electrical work, the person attending must be appropriately qualified and licensed for the task. Always check their credentials before booking.
What an installer can and cannot fix urgently
A heat pump installer can usually handle:
- urgent diagnostics and fault-finding - reset and safety checks - blocked drains and condensate issues - fan and airflow problems - thermostat, control, or remote issues - many mechanical faults - replacement of damaged components - refrigerant leak checks and regassing, where they are authorised and qualified to do so - replacement of a failed unit, if parts are available
Some faults are less likely to be resolved on the spot:
- special-order parts that need to be couriered in - major compressor failure - severe storm damage requiring replacement rather than repair - older units that are no longer economical to fix
If a replacement is needed, a temporary repair may keep the household going until a new unit is installed. In winter, that can be far better than waiting for a full replacement during peak demand.
Typical after-hours callout costs in NZ
After-hours pricing varies a lot across regions, brands, and whether the tradesperson is an independent installer or a large service company. Expect to pay more in winter, during evenings, and on weekends or public holidays.
Common charge types include:
- **Callout fee**: often around **$120 to $250** during standard hours, and **$180 to $400+** after hours - **After-hours surcharge**: often an extra **$50 to $150+** on top of the callout or hourly rate - **Hourly labour**: roughly **$90 to $180 per hour** in normal hours, or higher after hours - **Diagnostic fee**: sometimes built into the callout, sometimes charged separately - **Parts and materials**: extra, depending on what fails - **Refrigerant-related work**: can add significantly to the cost if leak detection or regassing is required
A few real-world examples of what a callout might cost:
- **Simple after-hours diagnosis and reset**: around **$250 to $450** - **Leaking indoor unit with blocked drain repair**: around **$300 to $700** - **Urgent repair requiring a part plus labour**: around **$450 to $1,200+** - **Emergency replacement of a small system**: often **$2,500 to $6,000+** installed, depending on size and complexity
Prices can be higher in Auckland, Wellington, and Queenstown, and in peak winter when installers are booked out. Rural callouts may also cost more because of travel time.
Always ask whether the quoted amount includes:
- callout and diagnosis - after-hours premium - travel charges - labour - parts - GST
How to find urgent help fast
If you need help now, speed matters — but so does checking the installer is properly qualified.
1. Search locally and filter for emergency or after-hours service
Look for businesses that advertise:
- 24/7 or after-hours response - heat pump repair and servicing - HVAC technician or refrigeration service - same-day booking
Be aware that “24/7” may mean a phone answering service, not a technician on site immediately.
2. Check the right credentials
Depending on the work needed, the person should be appropriately licensed or registered:
- **Electrical work** must be done by, or under the supervision of, a person authorised under the **Electrical Workers Registration Board (EWRB)** regime. - **Refrigerant handling** should be done by someone who is properly trained and authorised for that work. - If any work involves plumbing, gasfitting, or drainlaying, the relevant tasks are restricted under the **PGDB** rules and must be done by a licensed practitioner. - If the solution involves a new unit, major relocation, or structural alterations, check whether **building consent** or other council approvals may be needed.
Ask for the installer’s licence details, company name, and evidence of insurance if you are unsure.
3. Get two or three written quotes if the job is not immediately dangerous
If the issue is inconvenient but not unsafe, ask for multiple quotes before approving major repairs or replacement. A written quote should ideally show:
- diagnosis or inspection fee - labour rate - parts cost - estimated completion time - warranty on parts and workmanship - any after-hours surcharge
For an emergency, you may need to authorise the first available qualified person to make the place safe, then compare repair or replacement options afterwards.
4. Use the information the installer asks for
Have this ready:
- brand and model number - age of the unit - what happened and when it started - any error codes on the display - whether the outdoor unit was exposed to storm or flood damage - your address, access details, and parking constraints - whether there are vulnerable occupants in the home
The more accurate the information, the faster the installer can bring the right parts and tools.
What affects the final price
The cost of urgent heat pump help depends on several factors:
- **Time of day**: evenings, weekends, and public holidays cost more - **Distance travelled**: rural and semi-rural homes often pay more - **Fault complexity**: a blocked drain is cheaper than compressor or control-board failure - **Parts availability**: imported parts can take time and add freight costs - **Unit age**: older units may be harder to repair economically - **Season**: winter demand pushes up waiting times and sometimes pricing - **Access**: difficult roof-space, high-wall, or awkward outdoor unit access can increase labour
A low upfront callout fee is not always the cheapest option if the business charges heavily for labour or hidden extras. Ask for the full rate card before booking.
How to avoid being overcharged in an emergency
Urgent work is stressful, and that is when people are most likely to accept unclear pricing. Protect yourself by:
- asking for the **callout fee and hourly rate before they come out** - confirming whether there is an **after-hours surcharge** - requesting a **written estimate** by text or email where possible - checking whether the diagnosis fee is deducted from the repair cost - asking for photos of any failed parts if replacement is recommended - not approving a full replacement on the spot unless the unit is clearly beyond repair and you trust the installer’s advice
If the technician says the issue is unsafe, ask them to explain why in plain language. A reputable installer should be able to tell you whether the unit can be made safe temporarily, repaired later, or should be replaced.
When replacement may be smarter than repair
Sometimes emergency repair is only a short-term fix. Replacement may make more sense if:
- the unit is over 10 to 15 years old - the compressor has failed - the refrigerant system has repeated leaks - repair costs are close to half the price of a new unit - the home is underheated or poorly matched to the current system
In NZ homes, especially older villas, bungalows, and draughty rentals, a correctly sized replacement can improve comfort and lower running costs. A good installer should assess room size, insulation, and the local climate before recommending a new model.
Final practical checklist
If your heat pump fails urgently, do this in order:
- turn it off if there is smoke, sparking, burning smell, or water near electrics - check the switchboard and remote settings - note error codes and take photos - call a qualified heat pump installer or electrician as appropriate - confirm after-hours pricing before the visit - ask for licence and insurance details - get a written quote for any repair beyond the initial emergency callout
In New Zealand, the cheapest option is not always the safest. For urgent heat pump problems, focus first on making the home safe, then choose a qualified tradesperson who is clear about pricing and can explain the fault properly before any work begins.