A heat pump vs propane cost calculator compares equipment, installation, and yearly heating bills using local energy rates and your home’s heating needs. A typical heat pump installation costs $8,000-$18,000, while a propane furnace replacement often costs $4,000-$10,000 before any new tank or major ductwork; annual costs depend heavily on electricity prices, propane rates, and cold-weather performance.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Heat pump installed | $8,000 | $12,500 | $18,000 | Central ducted system; equipment and standard labor |
| Propane furnace installed | $4,000 | $7,000 | $10,000 | Existing propane tank and usable ducts |
| Heat pump heating energy | $700 | $1,150 | $2,000 | Annual estimate for a moderately insulated home |
| Propane heating fuel | $1,200 | $1,950 | $3,000 | Annual estimate; excludes tank rental and delivery fees |
Assumptions: 1,500-2,000 sq ft home, 60 million Btu of annual delivered heat, ordinary access, and no major duct replacement. Local prices and climate can change these estimates substantially.
Installed heat pump and propane prices for a typical home
For a standard ducted replacement, a heat pump commonly costs $8,000-$18,000 installed. A propane furnace typically costs $4,000-$10,000 when the property already has a tank, gas line, and compatible ductwork. A new propane tank, line, or extensive electrical work can raise either project’s total.
The propane system usually has the lower equipment price, while a heat pump can have lower annual energy expense. A heat pump may also provide cooling, potentially avoiding a separate air-conditioning purchase. Compare equivalent heating capacity and include cooling equipment only when it is part of the planned project.
Equipment, labor, and ductwork in each installation quote
Quotes should separate the major work items so the two systems are compared on equal terms. Equipment size, electrical changes, venting, and duct condition can matter more than a small difference in the contractor’s labor rate.
| Quote item | Heat pump range | Propane range | What changes the price |
|---|---|---|---|
| Equipment | $4,000-$10,000 | $2,000-$6,000 | Capacity, efficiency, and brand tier |
| Labor and commissioning | $2,000-$5,000 | $1,500-$4,000 | Access, system complexity, and crew time |
| Electrical or fuel connections | $500-$3,000 | $300-$2,000 | Panel upgrades, wiring, gas line, or venting |
| Duct changes and removal | $500-$4,000 | $500-$3,500 | Leaks, resizing, old equipment disposal |
Ask whether the written price includes startup testing, permits, old-unit removal, and any required electrical or venting work.
How home size, heat loss, and winter temperatures alter the result
Annual heating demand drives operating cost. A 1,000-sq-ft, well-insulated home may need 25-40 million Btu of delivered heat; a 2,500-sq-ft older home can need 80-120 million Btu or more. A load calculation is more useful than choosing equipment solely by square footage.
Heat pump efficiency falls as outdoor temperatures drop, and resistance backup can sharply increase electricity use. Compare cold-climate performance and backup settings when winter lows regularly fall below 20°F. For propane, a 90%-96% efficient furnace converts most fuel energy to heat, but the delivered fuel price varies by location and purchase volume.
At 60 million Btu of annual heat, a heat pump averaging a seasonal COP of 2.5 uses about 7,030 kWh; a 95% propane furnace uses roughly 690 gallons. Use local utility and delivered propane rates rather than national averages for a meaningful calculation.
What annual bills look like at common energy rates
One simple comparison divides the cost of energy by the usable heat produced. At $0.16 per kWh and seasonal COP 2.5, the heat pump’s estimated heating cost is about $18.75 per million Btu delivered. At $2.80 per gallon and 95% furnace efficiency, propane costs about $32 per million Btu delivered.
| Energy input | Example rate | Estimated cost per million Btu delivered | 60-million-Btu annual estimate |
|---|---|---|---|
| Heat pump electricity | $0.16/kWh, COP 2.5 | $18-$20 | $1,100-$1,200 |
| Propane furnace fuel | $2.80/gallon, 95% efficiency | $31-$33 | $1,850-$2,000 |
These are illustrative estimates before fixed utility charges, tank rental, and cooling use. With electricity at $0.25/kWh or propane near $2.00 per gallon, the cost ranking can change; a calculator should allow both rates and efficiency assumptions to be edited.
Three sample homes show the payback tradeoff
Operating savings do not automatically repay a heat pump’s higher upfront price. The examples below use the same illustrative energy rates and exclude financing, tax incentives, and cooling savings.
| Home scenario | Heat pump quote | Propane quote | Estimated annual heat cost |
|---|---|---|---|
| 1,000 sq ft, 35 million Btu | $9,000 | $5,500 | $650 heat pump; $1,100 propane |
| 1,800 sq ft, 60 million Btu | $12,500 | $7,000 | $1,125 heat pump; $1,950 propane |
| 2,500 sq ft, 95 million Btu, cold climate | $17,000 | $9,500 | $2,100 heat pump; $3,100 propane |
Actual cold-weather electricity use may be higher than these examples if backup resistance heat runs often. Divide the extra installed cost by estimated annual savings to estimate a simple payback period, then adjust for energy-price changes and equipment life.
Why regional electricity and propane rates matter
Energy prices differ widely across the United States. In areas with electricity rates 20%-40% above the national typical range, heat pump savings may shrink, especially in cold weather. Where propane delivery costs run 15%-30% above nearby markets, the heat pump’s operating advantage may grow.
Climate and contractor availability also affect quotes. Cold-climate equipment and electrical upgrades can add 10%-25% compared with a basic mild-climate replacement, while urban labor pricing may run 10%-20% above rural rates. Compare local bids and recent utility bills rather than relying on a single national estimate.
How to lower the installed price without weakening the comparison
Request at least three itemized bids with the same capacity assumptions, efficiency tier, and included work. Have contractors evaluate the existing ducts and panel before quoting; unnecessary replacement or an oversized system can add cost without improving comfort. Ask whether sealing ducts or correcting insulation is a less expensive first step.
For propane, compare delivered price per gallon, tank rental, minimum delivery charges, and contract terms. For a heat pump, check whether backup heat can be limited appropriately and whether an existing air conditioner or furnace can be retained as part of a dual-fuel setup. Compare total installed cost plus estimated annual energy expense, not equipment price alone.