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Case Study

 

Auckland climate, low wind, no shading, uncovered 40m² pool surface area

Season: Mid October – Mid April.

Average target pool temp 26°C.

Energy required 21,400kWh for the season  (As per RETScreen Analysis, other regions data is available).



Gas Heater
Approx Initial Cost: $6,900 installed (depending on gas fitting)
Running Costs: Approx $2,400 per season natural gas
Warranty: approx 3-5 years conditional to chemicals makeup
Warranty Cover: Parts plus limited labour
Operational Life: Moderate (approx 10-15 years)
Pitfalls: Natural gas availability, running costs
Max Output Power: 40kW
Maintenance: Medium to low

Heat Pump
Approx Initial Cost: $7,500 installed (depending on electric work)
Running Costs: Approx $1,800 per season for COP = 4.5
Warranty: approx 1 year for parts and 3-5 years for compressor
Warranty Cover: Parts plus limited labour
Operational Life: Low (approx 7-10 years)
Pitfalls: Slow recovery, noise
Max Output Power: 14kW
Maintenance: Medium to low

Solar Heating
Approx Initial Cost: $9,000 installed (depending on roof)
Running Costs: $0 to $200 per season
Warranty: 10 year unconditional
Warranty Cover: parts and labour
Operational Life: High (approx 20-30 years)
Pitfalls: Roof space, may not cover 100% of season
Max Output Power: 28kW
Maintenance: Very low

 

 

 

 

 

 

 

 

 

heliocol Pool Heating New Zealand