Heating Education Center

Understand how your heating system works, calculate your savings, and see it all in action.

Inside Your Boiler

Heat ExchangerFlueSupplyReturnExp. TankControlsCirculator

Tap a component to learn more

Select a hotspot on the diagram or tap a button above to explore boiler components.

How Much Could You Save?

1,800 sq ft
8004,000
15 years
1 yr30 yrs
$200/mo
$50$600

*Estimates based on typical efficiency gains from upgrading to a 95% AFUE condensing boiler. Actual savings vary by home, climate, and usage patterns.

Estimated Annual Savings

$916

$76/mo

Current Efficiency

70%

New Boiler Efficiency

95%

Est. CO₂ Reduction

11 tons/year

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How a Boiler Heats Your Home

Boiler68°FThermostatRadiatorRadiatorStep 1 of 6

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