Does It Cost More to Heat or Cool Your Home?

Is It Cheaper to Heat or Cool Your Home?

For most U.S. households, heating costs significantly more than cooling on an annual basis. The DOE estimates that heating and cooling together account for 45–50% of a typical home's energy bill, with heating making up the larger share in most of the country. But the answer isn't universal — it depends heavily on where you live, what systems you have, and your local fuel prices.

Why Heating Usually Costs More

The core reason is temperature differential. In most U.S. cities, the gap between outdoor temperature and the comfortable indoor target is larger in winter than in summer. If you keep your home at 70°F, a January day at 20°F requires bridging a 50-degree gap. A July day at 95°F only requires a 25-degree gap. More temperature difference means more energy required — and longer system run times.

Fuel type amplifies this gap. About 47% of U.S. homes heat with natural gas, which is efficient but requires the system to run for extended periods during cold winters. Homes with electric resistance heat face even higher bills because electricity is a more expensive energy source per BTU of delivered heat than natural gas.

Where Cooling Wins: The Hot Climate Exception

In the Sun Belt — Florida, Texas, Arizona, Louisiana, and similar states — cooling dominates the annual energy bill. Miami averages only a few dozen heating degree days per year but thousands of cooling degree days. Homeowners in these states often run their AC 10–12 months per year while barely touching the heat. For roughly 20% of U.S. households in warm-climate states, cooling is unambiguously the larger expense.

What Your Numbers Look Like by Region

• Minneapolis, MN: Heating ~$1,200–1,800/yr (gas), cooling ~$200–350/yr. Heating is 4–6x cooling cost.
• Chicago, IL: Heating ~$900–1,300/yr, cooling ~$250–400/yr. Heating roughly 3x cooling.
• Atlanta, GA: Heating ~$400–700/yr, cooling ~$400–600/yr. Near parity.
• Dallas, TX: Heating ~$300–500/yr, cooling ~$600–900/yr. Cooling exceeds heating.
• Miami, FL: Heating ~$50–150/yr, cooling ~$900–1,400/yr. Almost entirely cooling.
• Los Angeles, CA: Heating ~$200–400/yr, cooling ~$150–300/yr. Mild climate, low costs overall.

System Efficiency Changes Everything

A gas furnace with 80% AFUE efficiency wastes 20% of the fuel it burns. A modern heat pump delivers 2–4 units of heat energy for every 1 unit of electricity consumed — making it the most efficient option in most climates and increasingly cost-competitive with natural gas. Cold-climate heat pumps now work effectively down to -15°F, expanding their viability across the northern U.S.

Thermostat Settings: Free Savings

The DOE estimates that setting your thermostat back 7–10°F for 8 hours a day saves up to 10% per year on heating and cooling combined. A smart thermostat automates this based on your schedule and typically pays for itself within 1–2 years. For cooling specifically, each degree you raise the summer setpoint saves roughly 3% on AC costs.

Compare Heating Options by Fuel

If you're wondering whether to switch from gas to a heat pump, or comparing propane to oil, use our Heating Cost by Fuel Type Calculator to see a side-by-side cost breakdown at your local energy rates.

What Drives the Cost Gap Between Heating and Cooling?

Three factors determine which season costs more: temperature differential, system efficiency, and fuel price.

Temperature differential is the most straightforward. If your home is kept at 70°F, a 20°F winter day requires bridging a 50-degree gap. A 95°F summer day only requires a 25-degree gap. More differential means more run time and more energy. In most northern U.S. cities, winter differentials are 2–3x larger than summer differentials, which is why heating dominates.

System efficiency compounds the difference. A gas furnace at 80% AFUE wastes 20% of fuel. An air conditioner with a SEER of 16 delivers 16 BTUs of cooling per watt — far more efficient per dollar than electric resistance heat (1 BTU per watt). Heat pumps flip this relationship: at a COP of 2.5–3.5, they deliver 2.5–3.5 BTUs of heat per watt, making them the most cost-efficient heating option in most climates.

Fuel price is often the deciding variable. Natural gas typically costs $0.80–$1.50/therm, delivering heat at roughly $0.008–$0.015 per 1,000 BTU. Electricity at 13¢/kWh delivers heat via resistance at $0.038 per 1,000 BTU — about 3x more expensive. But a heat pump at 13¢/kWh and a COP of 3.0 delivers heat at $0.013 per 1,000 BTU, making it competitive with gas in many markets. As gas prices rise and electricity grids get cleaner, this math continues to shift toward heat pumps.

When Cooling Exceeds Heating Costs

In the southern tier of the U.S. — Florida, Texas, Louisiana, Arizona, New Mexico, and parts of the Southeast — cooling is unambiguously the dominant cost. Miami homeowners average fewer than 100 heating degree days per year but more than 4,000 cooling degree days. Air conditioning runs 10–12 months per year in these climates, and heating might be needed for just a few weeks. For roughly 15–20% of U.S. households, cooling is the bigger bill year after year.

In transition zone states — Georgia, the Carolinas, Tennessee, Virginia — the answer depends heavily on the specific home and year. A mild winter followed by a brutal summer can flip the equation even in a city that usually runs even. That's why running the calculator with your actual climate region and local rates gives a more useful answer than any regional average.

Reducing Both Costs: The Shared Opportunities

Some improvements reduce both heating and cooling costs simultaneously, making them high-priority investments regardless of which season dominates your bill:

• Air sealing: Leaky ducts and envelope gaps force both the furnace and AC to run longer. The DOE estimates that sealing leaky ducts alone can reduce heating and cooling costs by up to 20%.
• Insulation upgrades: Attic insulation reduces heat gain in summer and heat loss in winter. See our Insulation Savings Calculator for estimated payback at your home's specifications.
• Smart thermostat: A programmable or smart thermostat that adjusts setpoints during unoccupied hours saves 10% per year on heating and cooling combined, according to the DOE. Most smart thermostats pay for themselves in 1–2 years.
• Heat pump replacement: Replacing an aging gas furnace and central AC with a heat pump system handles both heating and cooling with a single high-efficiency unit. Payback periods of 5–8 years are common, and IRA tax credits (up to $2,000) improve the math further.