How Do Heat Pumps Work?

ERS Heat Pump Tips
Helpful Advice

Our Tips for a Comfortable Home

Get the best from your heat pump all year round. These expert tips will help you save energy, reduce costs, and stay comfortable even in New Zealand’s toughest weather.

Learn how to adjust settings, use timers, and avoid common pitfalls like excessive fan speeds or leaving units on unnecessarily. A little know-how goes a long way toward maintaining a healthier, more efficient home.

Best Practice

Heat Pump Tips & Tricks

  • Efficient Operation
    • Run in heating or cooling mode, not auto, to avoid unexpected air changes.
    • Set to a comfortable 20–22 °C. Higher settings won’t heat faster.
    • Use timers to pre-heat or cool before peak times.
    • Turn it on early on frosty mornings to get ahead of the chill.
    • Only run when you need it. 24/7 use can be expensive.
  • Managing Drafts & Comfort
    • Close doors and window treatments to retain warmth or block summer sun.
    • If you notice a cool draft, try reducing fan speed.
    • Allow time for the system to evenly heat or cool large spaces.
    • Programme to start an hour before you get home for best comfort.
  • Condensation & Humidity
    • Condensation on grilles? Reduce indoor humidity with cooling at ~22 °C.
    • Extreme cold settings increase condensation risk on vents.
    • Close off unused spaces to improve system efficiency.
  • About Defrost Cycles
    • On frosty days, heat pumps may pause to defrost the outdoor unit.
    • Expect flashing lights, noises, or cooler air briefly—this is normal.
    • If defrost issues persist after frost is gone, consider a service or replacement.
    • Call us if you’re concerned—our team is here to help.
Services

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