Heat Pump Vs Furnace Calculator

Background.

A reader arrives at Heat Pump Vs Furnace Calculator to compare installed cost plus entered annual energy costs over one undiscounted horizon. The comparison treats each system's annual operating cost as a user-sourced estimate reflecting efficiency and local fuel price. For that reason, this page names its convention as “undiscounted lifecycle cost = installed cost + annual energy cost x comparison years.”

The editable entries are heat-pump installed cost, heat-pump annual energy cost, furnace installed cost, furnace annual energy cost, undiscounted comparison period. Use values from the document or measurement that governs this heat pump vs furnace question; the defaults are only the worked fixture below. Before relying on the number, check this heat pump vs furnace boundary: climate performance, backup heat, maintenance, replacement timing, incentives, carbon and discount rate are omitted.

U.S. Department of Energy, Purchasing Energy-Efficient Residential Air-Source Heat Pumps; efficiency and life-cycle cost considerations documents the convention or governing rule used here. The heat pump vs furnace output is a transparent scenario under those facts: it does not manufacture an unentered market price, professional determination, carrier quote, legal eligibility finding or locally adopted code value.

What is heat pump vs furnace calculator?

Heat Pump Vs Furnace is the relationship behind this decision: the comparison treats each system's annual operating cost as a user-sourced estimate reflecting efficiency and local fuel price. On this page it means undiscounted lifecycle cost = installed cost + annual energy cost x comparison years. Climate performance, backup heat, maintenance, replacement timing, incentives, carbon and discount rate are omitted; that is the line between the reported quantity and a broader building systems analysis.

How to use this calculator.

1. 01Confirm that “undiscounted lifecycle cost = installed cost + annual energy cost x comparison years” matches the heat pump vs furnace convention you need.
2. 02Replace the fixture values for heat-pump installed cost, heat-pump annual energy cost, furnace installed cost, furnace annual energy cost, undiscounted comparison period with dated values from the governing record.
3. 03Keep all currencies, measurement units and time periods on the same basis before calculating.
4. 04Read heat-pump undiscounted lifecycle cost together with this boundary: Climate performance, backup heat, maintenance, replacement timing, incentives, carbon and discount rate are omitted.

The formula.

The calculation uses undiscounted lifecycle cost = installed cost + annual energy cost x comparison years. In this heat pump vs furnace model, the entered terms are heat-pump installed cost, heat-pump annual energy cost, furnace installed cost, furnace annual energy cost, undiscounted comparison period. The comparison treats each system's annual operating cost as a user-sourced estimate reflecting efficiency and local fuel price, which is why the relationship is presented under this name rather than as a universal alternative. Climate performance, backup heat, maintenance, replacement timing, incentives, carbon and discount rate are omitted. Calculations keep full decimal precision through the relationship and round only the returned display values.

A worked example.

Frequently asked questions.

References& sources.

1. [1]U.S. Department of Energy, Purchasing Energy-Efficient Residential Air-Source Heat Pumps; efficiency and life-cycle cost considerations. Retrieved 2026-08-07. access: open unless marked otherwise.
2. [2]U.S. Department of Energy. Energy Saver. Retrieved 2026-08-07. independence: primary; access: open.
3. [3]U.S. Environmental Protection Agency. ENERGY STAR. Retrieved 2026-08-07. independence: secondary-check; access: open.
4. [4]U.S. Energy Information Administration. Electric power monthly — average retail price of electricity. Retrieved 2026-08-07. independence: secondary-check; access: open.
5. [5]Air Conditioning Contractors of America. Manual J — residential load calculation. Retrieved 2026-08-07. independence: primary; access: open.