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How to Choose the Right Heat Pump Size for Your Christchurch Home

  • Writer: Admin HWE
    Admin HWE
  • Feb 28, 2025
  • 1 min read

Choosing the correct heat pump size ensures maximum efficiency. Here’s a general guide:

Room Size

Recommended Heat Pump Capacity

Small rooms (10-20m²)

2-3kW

Medium rooms (20-40m²)

3-5kW

Large rooms (40m² +)

5-8kW

🔹 Pro Tip: If your home has poor insulation, you may need a slightly larger heat pump to compensate for heat loss.

For expert sizing advice, it’s best to get a free home assessment from a Christchurch heat pump installer.


Heat pumps are the most efficient heating solution for Christchurch homes. Here’s why:

Low running costs – Uses up to 75% less electricity than traditional heaters✔ High energy savings – Every $1 of electricity generates $4 worth of heatingEco-friendly – Reduces carbon footprint compared to gas or wood heating

📌 Estimated Running Costs (Per Year):

Home Size

Estimated Cost Per Year

Small home (50m²)

$300 - $500

Medium home (100m²)

$500 - $800

Large home (150m²+)

$800 - $1,200

To reduce power bills, keep your heat pump set between 18-22°C in winter and 23-26°C in summer.

 
 
 

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Kelly Ward
Kelly Ward
Sep 25, 2025

Fascinating post — you’ve broken down the essentials clearly. I never realized how much insulation quality could affect heat pump choice. After reading this, I’m inspired to dig deeper into sustainability topics. Also, if anyone’s ever in a tough spot, they can can someone to write my assignment for me—just saying!

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Sep 24, 2025

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