Heat Pump Size Calculator

Use our precise Heat Pump Size Calculator to find the ideal unit for your needs. Selecting the right size is crucial for optimal efficiency and comfort in your home or office.

Our Heat Pump Size Calculator Is Being Upgraded

We’re currently improving our heat pump size calculator to offer you a more accurate and user-friendly experience. In the meantime, if you need help choosing the right size heat pump for your home or commercial space, our expert team is here to assist you.

Get personalised advice today — call us on 09 393 4822 or contact us online.

Whether you’re heating a single room or an entire building, we’ll help you select the perfect solution tailored to your space, insulation type, and location.

Benefits of Proper Sizing

Properly sizing your heat pump is not just about ensuring comfort; it’s also about optimising your investment for long-term benefits. A correctly sized heat pump operates more efficiently, using only the energy needed to maintain your desired temperature, thereby reducing your utility bills. This efficiency can substantially decrease the wear and tear on the system, extending its lifespan and reducing the frequency and costs of repairs.

Moreover, a heat pump that fits the space requirements effectively manages the humidity and maintains consistent indoor temperatures. This consistency is not only crucial for comfort but also for the health of the building’s occupants, as it helps prevent the growth of mold and mildew, which are common in improperly conditioned spaces.

An oversized or undersized unit can cycle too frequently or too long, leading to increased energy consumption and potential system failures. Therefore, accurate sizing is key to achieving an eco-friendly home by minimising the environmental footprint of your heating and cooling systems. By ensuring that your heat pump is tailored to your specific needs, you contribute to a more sustainable and responsibly managed home environment.

Heat pump sizing chart – This is a guide only and it is recommended to have the space you want to heat inspected by a qualified Heat Pump professional prior to installing a heat pump – NOT recommended as a tool to meet HHS requirements.

If needing to meet healthy homes compliance, please use the Heating calculator from the Tenancy website. If stuck or unable, HVAC NZ can help measure your place and run this calculator. Get in touch if you would like to avail this service of ours.
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