Buying in bulk—gas-fired, tankless water heaters

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Snap shot of expected savings

200 gas-fired, tankless water heaters (20 year life)
Equipment ENERGY STAR Non-ENERGY STAR
Annual Lifetime Annual Lifetime
Energy consumption (GJ) 4,154 83,082 4,398 87,969
Energy cost (@ 7.66/GJ) $32,810 $312,311 $31,681 $330,683
Maintenance cost $0 $0 $0 $0
Total operating cost $32,810 $312,311 $331,681 $330,683
Incremental cost   $0    
Total life-cycle cost   $312,311   $330,683
Total energy savings (GJ) 244 4,887    
Total energy and maintenance cost savings $1,871 $18,371    
Emissions savings (kg CO2) 12,154 243,081    
Payback period 0 years (based on incremental cost of $0 per ENERGY STAR certified unit)

This estimate of energy, cost and emissions savings was calculated using base energy prices and other factors developed from Government of Canada data and national average energy rates.

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