Propane usually costs about $1,250-$3,500 per year to heat a U.S. house, with an average near $2,200 for a typical home using roughly 750 gallons. The final bill depends on local propane prices, winter severity, home size, insulation, furnace efficiency, and whether propane also heats water or powers appliances.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Annual heating fuel | $1,250 | $2,200 | $5,250 | About 500-1,500 gallons at $2.50-$3.50 per gallon |
| Propane price | $2.50/gal | $2.90/gal | $3.50/gal | Delivery plan and region change the rate |
| Monthly equivalent | $105 | $185 | $440 | Annual heating cost divided by 12 |
Assumptions: Existing propane furnace, heating use only, and typical residential delivery; actual prices vary by location and season.
Typical annual propane cost for home heating
For heating alone, a well-insulated small home in a milder area may use 400-600 gallons a year, costing roughly $1,000-$2,100 at $2.50-$3.50 per gallon. A 1,500- to 2,000-square-foot home often uses 600-1,000 gallons, or $1,500-$3,500. A larger or drafty home in a cold climate can exceed 1,200 gallons and $4,200 annually.
A useful first estimate is annual gallons multiplied by the delivered price per gallon. A home using 750 gallons at $2.90 per gallon spends about $2,175 on heating fuel. If the same tank serves a water heater, range, or clothes dryer, total household propane use will be higher.
What the delivered propane bill includes
The fuel charge is usually the largest expense, but a quote may include delivery, tank rental, service fees, or a minimum-fill charge. Ask whether the advertised gallon price is tied to automatic delivery, a prebuy plan, a minimum purchase, or a required service agreement.
| Charge | Typical range | What changes it |
|---|---|---|
| Propane fuel | $2.50-$3.50 per gallon | Region, purchase volume, and contract |
| Tank rental | $75-$200 per year | Tank size and supplier terms |
| Delivery fee | $0-$100 per trip | Route, order size, and urgency |
| Tank purchase | $1,000-$3,000 | Above-ground or underground installation |
| Furnace service | $100-$250 per visit | Cleaning, inspection, and repairs |
Compare the total delivered price, not just the per-gallon advertisement. Some suppliers waive rental or delivery charges for customers who buy a minimum amount, while others add annual fees.
How house size and furnace efficiency change gallons
Square footage is only a starting point. Climate, insulation, ceiling height, thermostat settings, and air leaks can shift consumption substantially. A 1,000-square-foot home may use 400-700 gallons annually, while a 2,500-square-foot home may need 900-1,500 gallons in a cold region.
Furnace efficiency also matters. Replacing an older 80% AFUE unit with a 95% AFUE model can reduce the fuel needed for the same delivered heat by roughly 10%-16%, though savings depend on actual run time and installation quality. A basic propane furnace replacement commonly costs $3,000-$7,500 installed, so the equipment expense should be weighed separately from fuel savings.
A rough heating-load estimate can be refined using a year of delivery records and noting whether each fill also serves appliances.
Every additional 100 gallons adds about $250-$350 at common residential rates. Leaks, low insulation, and an oversized thermostat setback can matter as much as the furnace rating.
Regional propane prices and winter demand
Delivered rates differ across the country. Rural Northeast and Upper Midwest households may pay 10%-25% above a national midpoint because of cold-weather demand, longer delivery routes, or fewer suppliers. Some parts of the South and central U.S. may come in 5%-15% below the midpoint, although local competition and transport costs create exceptions.
In peak winter, an urgent delivery or low tank level can cost more than a scheduled fill. Prebuy and budget plans may smooth payments, but they are not automatically cheaper; compare the contract price, fees, cancellation terms, and rules for unused gallons with current cash prices.
A local quote is more useful than a national average because delivered propane is priced by market. Request the price per gallon and all recurring charges from at least two suppliers before signing a plan.
Three home-heating estimates by size and climate
| Example | Estimated use | Fuel rate | Annual fuel cost |
|---|---|---|---|
| 900 sq ft, mild winter, efficient furnace | 500 gallons | $2.70/gal | $1,350 |
| 1,700 sq ft, mixed climate, average insulation | 800 gallons | $2.90/gal | $2,320 |
| 2,400 sq ft, cold winter, older furnace | 1,300 gallons | $3.30/gal | $4,290 |
These examples estimate fuel for space heating only. Tank rental, service, water heating, and other propane uses are excluded.
The cold-climate example costs over three times the mild-climate example because both usage and the delivered rate are higher. A household’s past gallons provide a stronger forecast than square footage alone.
Tank ownership, delivery timing, and service charges
A leased tank can avoid a large upfront purchase, but annual rental may add $75-$200 and can limit the household to one supplier. Buying a tank may cost $1,000-$3,000 before site work, with underground tanks generally costing more to install than above-ground tanks. Confirm ownership, maintenance responsibility, and whether switching suppliers requires tank removal.
Standard scheduled deliveries may be included in the fuel price, while off-route or emergency calls can add $50-$100 or more. A furnace diagnostic visit is often $100-$250 before parts. Tank placement, access, regulator replacement, or line work can raise setup or repair charges.
Ask whether quoted gallons include delivery and whether the supplier requires a minimum fill. Checking the tank gauge before winter reduces the chance of paying for an urgent run or running out of fuel.
Ways to lower a propane heating bill without cutting comfort
Sealing drafts and insulating the attic can reduce heat loss without changing the heating system. A professional home energy assessment may cost $100-$500, and air sealing or insulation work can range from a few hundred dollars to several thousand depending on the home. Compare the quoted work with expected fuel savings rather than assuming every upgrade pays back quickly.
Keep annual furnace maintenance in the budget, compare delivered gallon prices, and ask about discounts for scheduled delivery or larger fills. A programmable thermostat can help, but avoid deep setbacks that make the system recover for long periods. If propane bills remain high, compare repair costs with replacement and check whether another heating system is practical for the home.
The most controllable savings often come from reducing heat loss and avoiding premium delivery charges. Get written quotes that separate fuel, rental, delivery, and equipment work so the actual price differences are clear.