Calculate the Cost of Wood Heating vs. Other Fuels

Wood heating typically costs $150-300 per cord and can heat 1,000-3,000 square feet, making it roughly $0.06-0.12 per therm equivalent depending on your stove efficiency and local wood prices.

Compare this to natural gas at $1.20-2.50 per therm, heating oil at $2.80-4.50 per gallon equivalent, or electricity at $0.12-0.35 per kWh to determine which fuel saves you the most money annually.

Table of Contents

Quick Cost Comparison: Wood vs. Other Heating Fuels

Let’s cut right to the numbers you need. I researched current heating costs across different fuel types, and here’s what homeowners are paying.

Fuel Type	Cost Per Unit	Heat Output (BTU)	Cost Per Million BTU
Seasoned Hardwood	$200-300/cord	20-25 million BTU	$8-15
Natural Gas	$1.20-2.50/therm	100,000 BTU	$12-25
Heating Oil	$3.50-5.00/gallon	138,000 BTU	$25-36
Propane	$2.50-4.00/gallon	91,000 BTU	$27-44
Electric Heat	$0.12-0.35/kWh	3,412 BTU	$35-103

How to Calculate Your Wood Heating Costs

Step 1: Find Your Local Wood Prices

Wood prices change based on your location and the season. Call local suppliers or check online marketplaces. Ask specifically about seasoned hardwood like oak, maple, or hickory.

Expect to pay more if you buy wood in winter. Smart buyers purchase in spring or summer when prices drop 20-30%.

Step 2: Calculate BTUs Per Cord

Different wood species give you different heat output. Here’s what I found from forestry research:

Oak: 24-28 million BTU per cord
Maple: 23-27 million BTU per cord
Ash: 22-25 million BTU per cord
Pine: 15-17 million BTU per cord
Poplar: 13-16 million BTU per cord

Step 3: Factor in Your Stove Efficiency

Your wood stove or fireplace doesn’t convert 100% of the wood’s energy into usable heat. EPA-certified stoves range from 60-85% efficiency.

Open fireplaces? They’re terrible at around 10-20% efficiency. Most heat goes up the chimney.

Efficiency by Stove Type

Modern EPA wood stoves: 70-85%
Older wood stoves: 40-60%
High-efficiency pellet stoves: 80-90%
Traditional fireplaces: 10-20%

Real-World Wood Heating Cost Examples

Small Home (1,000 sq ft)

You’ll burn about 2-3 cords per heating season. At $250 per cord, that’s $500-750 annually. Add kindling, matches, and chimney cleaning for another $100-150.

Your total: $600-900 per year.

Medium Home (1,500 sq ft)

Plan on 3-5 cords depending on your climate and insulation. That’s $750-1,250 for wood, plus maintenance costs.

Your total: $850-1,400 per year.

Large Home (2,500+ sq ft)

You’re looking at 5-8 cords in cold climates. Wood costs alone hit $1,250-2,000. Factor in more frequent chimney service too.

Your total: $1,400-2,300 per year.

Natural Gas Heating Costs

How Natural Gas Pricing Works

Natural gas gets priced per therm (100,000 BTU). I found that most homeowners pay $1.20-2.50 per therm depending on their region and utility company.

Gas furnaces run 80-98% efficiency. That’s much more consistent than wood stoves.

Annual Natural Gas Costs

Small home: $800-1,200
Medium home: $1,200-1,800
Large home: $1,800-3,000

Heating Oil Cost Analysis

Oil Price Volatility

Heating oil prices swing wildly. I’ve seen them range from $2.50 to over $5.00 per gallon in recent years. Most homeowners budget around $3.50-4.50 per gallon.

Oil furnaces typically run 80-90% efficiency when properly maintained.

Annual Heating Oil Costs

A typical home uses 500-1,500 gallons per heating season:

Small home: $1,200-2,000
Medium home: $1,800-3,200
Large home: $2,500-4,500

Electric Heat: The Most Expensive Option

Why Electric Heat Costs So Much

Electric heat is 100% efficient at your baseboard or heat pump. But electricity generation and transmission waste a lot of energy before it reaches your home.

Electric rates vary wildly by state. I found ranges from $0.12-0.35 per kWh.

Heat Pump vs. Electric Resistance

Heat pumps move heat instead of creating it. They can be 200-400% efficient in moderate climates. Electric baseboard heaters are only 100% efficient.

Annual Electric Heating Costs

Heat pump (small home): $800-1,500
Heat pump (medium home): $1,200-2,200
Electric resistance (small home): $1,500-3,000
Electric resistance (medium home): $2,500-4,500

Hidden Costs You Need to Consider

Wood Heating Hidden Costs

Chainsaw, splitting maul, or log splitter rental
Truck rental for wood transport
Annual chimney inspection and cleaning: $150-300
Wood storage shed or tarp: $100-500
Your time splitting and stacking

Gas and Oil Hidden Costs

Annual furnace tune-up: $100-200
Filter replacements: $50-100
Emergency repairs: $200-1,000+
Ductwork cleaning: $300-500 every 3-5 years

Climate Impact on Heating Costs

Heating Degree Days

Your location dramatically affects heating costs. The Department of Energy uses “heating degree days” to measure climate severity.

Minneapolis averages 7,800 heating degree days. Miami gets only 200. You’ll burn 40 times more fuel in Minnesota.

Regional Price Differences

Fuel costs vary by region too:

Natural gas is cheapest in Texas and Louisiana
Wood is most affordable in forested areas
Heating oil dominates in New England
Electric heat makes sense where electricity is cheap

When Wood Heating Makes Financial Sense

Best Scenarios for Wood

Wood heating saves the most money when you:

Have access to free or cheap wood
Enjoy the physical work involved
Use wood as supplemental heat
Live in rural areas with limited gas access
Have time to shop for deals and process wood yourself

When to Skip Wood Heating

Choose other fuels if you:

Travel frequently during winter
Want consistent, automated heat
Live in a condo or city with restrictions
Have mobility or health limitations
Pay very low natural gas rates

Tips to Lower Your Wood Heating Costs

Buy Wood Smart

Purchase wood in spring when prices drop. Buy by the full cord, not face cords or bundles. Ask to see the wood pile before paying.

Seasoned wood should have cracks in the ends and sound hollow when knocked together.

Improve Your Stove Efficiency

Clean your chimney annually. Replace door gaskets when they wear out. Burn only dry, seasoned hardwood.

Never burn painted wood, pressure-treated lumber, or trash. These create dangerous fumes and damage your stove.

Smart Burning Practices

Build hot, clean-burning fires
Don’t damper down too much
Use a moisture meter to check wood dryness
Stack wood properly for good airflow

Conclusion

Wood heating can save you hundreds or thousands per year compared to oil, propane, or electric heat. But it requires more work and planning than other fuels.

Your actual savings depend on local fuel prices, your home’s efficiency, and how much effort you put into sourcing good wood. Run the numbers for your specific situation before making the switch.

Remember to factor in hidden costs like chimney cleaning and your time. For many homeowners, wood heating offers both cost savings and the satisfaction of a more hands-on approach to home comfort.

How many cords of wood do I need for winter?

Most homes need 2-8 cords depending on size, climate, and insulation. A 1,500 square foot home in a moderate climate typically uses 3-5 cords. Colder regions or larger homes can require 6-8 cords.

Is it cheaper to heat with wood pellets or firewood?

Firewood is usually cheaper per BTU, but pellet stoves are more efficient and convenient. Pellets cost $250-400 per ton and produce about 16 million BTU. Factor in the higher efficiency of pellet stoves when comparing.

How much can I save by cutting my own firewood?

You can save 60-80% by cutting your own wood. Free wood sources include tree removal companies, construction sites, and your own property. You’ll still need equipment and time for cutting, splitting, and seasoning.

What’s the most cost-effective wood stove efficiency rating?

Look for EPA-certified stoves with 70%+ efficiency ratings. The extra cost of a high-efficiency stove pays back within 3-5 years through reduced wood consumption. Avoid old, uncertified stoves that waste fuel.

Can I mix wood heating with my existing gas or electric system?

Yes, many homeowners use wood stoves or fireplaces as supplemental heat. Heat your main living areas with wood and use your primary system for bedrooms and when you’re away. This strategy often provides the best cost savings with maximum convenience.