Wood Stove Heating Cost Calculator
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Your seasonal firewood budget tracks your climate zone. A mild-winter home burning 1.5 to 3 cords runs about $300 to $700; a moderate zone at 2.5 to 5 cords lands near $600 to $1,400; a cold-climate home stocking 4 to 8 cords spends roughly $900 to $2,100 per season. The two levers you control are cord count (set by climate and home size) and species: mixed hardwood runs $150–$350 per cord, oak $250–$500 per cord. An EPA-certified stove at 63 to 83% efficiency[4] stretches every cord, pulling you toward the low end of each range.
A wood stove has two costs people mix up: the fuel you buy every winter and the setup you buy once. This page gives you the seasonal firewood figure for your home and climate, then lays out the install and upkeep costs separately so the annual budget is honest.[1]
Live fuel prices by state
Retail residential prices from the U.S. Energy Information Administration. Updated Jul 21, 2026
| Fuel | Price | $/million BTU | Data vintage |
|---|---|---|---|
| Propane | $1.98/gal | $21.64 | U.S. average |
| Natural gas | $19.18/Mcf | $18.47 | U.S. average |
| Electricity | $0.1932/kWh | $56.63 | U.S. average |
Source: EIA Heating Oil & Propane Update · EIA Electricity Data · EIA Natural Gas Data
The most expensive mistake: buying green wood or short cords
Two traps wreck a wood-heat budget. First, unseasoned wood: green firewood above 20% moisture gives a fraction of its rated heat, smokes badly, and cakes your chimney with creosote, the leading cause of chimney fires.[4] It needs six months to a year of drying. Second, short measure: many "cords" delivered are face cords at roughly a third of a full cord's 128 cubic feet, sold at near-full prices. Always stack and measure before paying, and never burn wood you cannot confirm is seasoned.
Why your number is what it is: efficiency times cords
Your seasonal cost is a two-number problem: how many cords your winter burns, and what a cord costs. Everything else is noise. A cord is 128 cubic feet of stacked wood, and an EPA-certified stove converts 63 to 83% of that wood's energy into room heat[4]; an old smoke dragon wastes much of it up the flue. So the same 4 cords that keep a modern stove's house warm might leave a drafty house on a 40-year-old stove cold by February. If your estimate feels high, the fix is rarely cheaper wood; it is a tighter house and a stove that actually holds a burn.[1]
How many cords will your winter actually burn?
Climate zone sets the baseline, and home size scales it. A mild climate burns 1.5 to 3 cords a season, a moderate climate 2.5 to 5 cords, and a cold climate 4 to 8 cords for a home leaning on wood as primary heat. Home size is the multiplier: a tight 1,200 sq ft cabin sits at the bottom of its zone's range, while a leaky 2,500 sq ft farmhouse pushes the top. If you are only running the stove as supplemental evening heat rather than 24/7, halve the range. The failure mode is buying to the low end, then running out in a cold snap and paying peak late-season prices.
| Climate zone | Cords per season | Mixed hardwood ($150–$350–$350/cord) | Oak ($250–$500–$500/cord) |
|---|---|---|---|
| Mild | 1.5 to 3 cords | $225 to $1,050 | $375 to $1,500 |
| Moderate | 2.5 to 5 cords | $375 to $1,750 | $625 to $2,500 |
| Cold | 4 to 8 cords | $600 to $2,800 | $1,000 to $4–$8–$8,000 |
Read the row for your climate, pick your species column, and that is your fuel budget for the season.
The real first-year number: stove, install, then fuel
Fuel is the recurring cost, but year one is dominated by hardware. A freestanding stove or insert runs $800–$3,000, and the part buyers forget is the flue, hearth pad, and install labor at $1,000 to $3,500. Budget another $100–$250–$500 a year for a chimney sweep and inspection, which is not optional; creosote buildup is the leading cause of chimney fires.[4] So a cold-climate household might spend $1,800 to $6,500 up front before burning a single log, then $900 to $2,100 a season in wood. Whether that pays back depends on your backup fuel. In states with high electricity or heating-oil rates, wood displaces expensive energy and the stove pays for itself faster; where electricity is cheap, the math is slower and the stove is more about resilience than savings.
Measure last winter before you guess
The tightest estimate comes from your own history, not a climate table. If you heated with anything last winter, pull 12 months of utility bills and find your coldest-month usage; that tells you how hard your house actually works to stay warm, which no generic cord chart knows. A home that burned through a lot of gas or oil in January will sit at the top of its climate range, not the middle. Convert that demand into cords using the calculator above, then add a half-cord buffer so a February cold snap does not send you buying wood at peak prices.
Verify a full cord before you pay for one
The most common way estimates blow up is short cords. A full cord is 128 cubic feet: a stack 4 feet high, 4 feet deep, and 8 feet long. Sellers often deliver "face cords" or "ricks" that are a third of that volume at nearly cord prices. Before you hand over money, stack and measure; if a supposed cord stacks to 40-something cubic feet, you paid triple. Green wood is the second trap: it needs six months to a year of seasoning below 20% moisture or it hisses, smokes, and gives you a fraction of its rated heat.
Match species to how you burn
Denser wood costs more per cord but packs more heat per cord, so the right choice depends on burn style. Oak at $250–$500 per cord holds a long overnight burn and suits primary heat where you want to load the stove and forget it. Mixed hardwood at $150–$350 per cord is the better value for supplemental or shoulder-season burning where you are tending the stove anyway. Buying premium oak for occasional evening fires is money left on the table.
| Rate | Range | Unit | What drives the spread | Source | As of |
|---|---|---|---|---|---|
| EPA-certified stove efficiency | 63–83 | % | EPA Burn Wise | [4] | 2026 |
| Residential natural gas | $12.72–$23.62 | $/MCF | EIA monthly residential avg | [2] | 2026-07-27 |
| Residential electricity | $0.15–$0.22 | $/kWh | EIA monthly avg retail residential | [2] | 2026-07-27 |
| Heating oil | $4.15–$6.92 | $/gallon | EIA weekly residential avg | [2] | 2026-07-27 |
Rates current as of 2026
Frequently Asked Questions
How many cords do I really need for the winter?
Climate zone sets the baseline: mild 1.5 to 3 cords, moderate 2.5 to 5 cords, cold 4 to 8 cords for a home using wood as primary heat.
Home size scales it. A small, well-sealed house sits at the bottom of its range; a large or drafty one hits the top. Running the stove only on evenings rather than around the clock cuts the number roughly in half.
Will a wood stove actually save me money?
Wood competes against whatever you would otherwise burn. In states with high electricity or heating-oil rates, every cord displaces expensive energy and the stove pays back faster.
Where electricity sits below the national average, the fuel savings shrink and the value is more about backup heat during outages than a fast payback. Run your seasonal wood cost against your state's rate before assuming it saves money.
What does the stove cost before I even buy wood?
The stove itself is $800–$3,000. The cost buyers forget is the flue, hearth pad, and install labor at $1,000 to $3,500.
Add $100–$250–$500 a year for a chimney sweep and inspection, which prevents creosote fires.[4] First-year hardware can top $6,000 in a cold climate, well above a single season's fuel, so wood heat is a multi-year investment, not an instant saving.
Is oak worth paying extra for over mixed hardwood?
Oak at $250–$500 per cord is denser, holds a long overnight burn, and suits primary heat where you load and forget.
Mixed hardwood at $150–$350 per cord gives more value for supplemental or shoulder-season fires you are tending anyway. Paying oak prices for occasional evening burns wastes money; match the wood to how you actually run the stove.
Why is my estimate higher than calculators saying 3 to 4 cords?
Generic "3 to 4 cords" numbers assume a moderate climate and an average, tightly built home.
A cold climate pushes 4 to 8 cords, and a large or drafty house lands at the top of that range. Stove efficiency matters too: an EPA-certified unit runs 63 to 83%[4], while an old stove wastes heat up the flue and burns more wood for the same warmth.