BuildMeter guide · Energy & Electrical
Home Heating System Cost Comparison Guide
Compare delivered heat cost rather than fuel price alone. Includes measurement workflow, a worked example, decision table, ordering checkpoints, common failures and professional boundaries.
Direct answer
What to know first
Compare delivered heat cost rather than fuel price alone.
Open Home Heating Cost CalculatorDefine the project boundary first
Compare delivered heat cost rather than fuel price alone. Record the design condition, measured scope, operating schedule and product assumptions before comparing quantities or costs. Keep code-controlled values separate from editable planning assumptions.
Worked example
To compare systems, convert each fuel to useful delivered heat. For example, 10,000 kWh of useful heat requires about 11,111 kWh of fuel input at 90% efficiency, but only about 3,333 kWh of electricity with a heat pump averaging COP 3.0; multiply each input by its actual tariff.
Planning decision table
| Checkpoint | Verify | Record |
|---|---|---|
| Demand | Field measurements and design condition | Unrounded requirement |
| Performance | Rated capacity at actual conditions | Efficiency or usable yield |
| Distribution | Route, support, controls and losses | Adjustment factors |
| Purchase/operation | Package size, equipment count or runtime | Rounded final quantity |
Measurement and calculation workflow
- Sketch the connected system and divide it into independently measurable sections.
- Use one unit system and label every design-controlled input.
- Calculate the raw demand before efficiency, diversity, allowance or tariff adjustments.
- Apply each adjustment once and document why it is appropriate.
- Round only the final purchasing or equipment-count result and reconcile the surplus.
Ordering and coordination
Use local electricity/fuel tariffs and realistic seasonal efficiency or COP. Include fixed charges only when they change between alternatives, and keep equipment purchase/maintenance separate from annual energy cost.
Common project failures
- Using nominal ratings without checking the actual design condition.
- Mixing peak demand with daily or annual energy.
- Hiding multiple allowances inside one input.
- Ignoring distribution losses, cycling or control strategy.
- Ordering before field dimensions and connection requirements are verified.
How to interpret calculator results
The output compares modeled operating cost for the same useful heat demand. It should not compare raw fuel-unit prices without efficiency conversion.
Technical references and limits
This guide supports heating-cost comparison. Equipment sizing, combustion safety, electrical capacity, emissions and installation requirements must be evaluated for each system.