Heat Pump Hot Water Cylinders vs Electric: FAQ for NZ Homeowners Replacing Their Cylinders
Heat pump hot water cylinders deliver 3 to 4.5 units of heat for every unit of electricity consumed, cutting water heating costs by 60–75% compared to standard resistive electric cylinders. This NZ building and construction FAQ covers efficiency, installation requirements, compliance, climate performance, and payback periods for New Zealand homeowners and tradespeople.