Electric vs Gas Heating: Costs, Efficiency, Safety, and Outage Needs Compared
- Electric vs gas heating at a glance
- Is gas heat cheaper than electricity: cost per million BTU with EIA prices
- What gas and electric heat are needed during an outage: EcoFlow TITAN Classic and EcoFlow TITAN Plus
- Heat pumps change the electric side of the answer
- Safety: carbon monoxide, combustion, and electrical loads
- How to choose between gas and electric heat for your home?
- Conclusion
- FAQs
Winter heating costs depend on more than the fuel you use. For winter 2026–2027, the U.S. Energy Information Administration (EIA) expects spending to fall for households that mainly use natural gas and rise for those that mainly use electricity. This guide compares both systems using the same unit of heat, explains how heat pumps change the calculation, and covers an often-overlooked issue: what happens when the power goes out.
Electric vs gas heating at a glance
Gas furnaces and boilers burn natural gas to produce heat. Electric heating systems either convert electricity directly into heat or use a heat pump to move heat from outside. The difference affects running costs, efficiency, safety, and backup power needs.
Natural gas was the main space-heating fuel in 46% of the U.S. homes in 2024, according to the figures cited in the EIA's Winter Fuels Outlook.
Factor | Gas heating | Electric heating |
How it works | Burns natural gas to produce heat | Uses electric resistance or moves heat with a heat pump |
Running costs | Often lower than electric resistance heating | Depends on electricity rates and system type |
Efficiency | Depending on furnace or boiler efficiency | Resistance heaters convert electricity to heat; heat pumps can deliver more heat per unit of electricity |
Installation | May require a gas line and exhaust venting | May require suitable wiring and dedicated circuits |
Safety | Requires proper venting and carbon monoxide precautions | Avoids combustion-related carbon monoxide from the heater itself |
Power outages | Most modern furnaces still need electricity to operate | Heating stops without power unless a suitable backup is available |
Emissions | Produces emissions through fuel combustion | Depends partly on how electricity is generated |
Gas supply, price swings, and emissions all belong to the decision, and the pros and cons of natural gas reach well beyond the monthly heating bill.
The table points to operating cost as the biggest difference, so the next section puts both fuels on the same footing as EIA's winter price forecast.
Is gas heat cheaper than electricity: cost per million BTU with EIA prices
Gas and electricity use different units, so their prices cannot be compared directly. A fair comparison calculates the cost of producing one million British thermal units (Btu) of heat. Using the EIA's national average price forecasts for winter 2026–2027, gas heating costs much less than electric resistance heating in this example. A heat pump can narrow the gap.
The EIA forecasts an average residential electricity price of 18.23 cents per kilowatt-hour (kWh) and a natural gas price of $13.44 per thousand cubic feet from November 2026 through March 2027.
The following estimates use those prices and standard energy conversions. They exclude fixed monthly charges and other bill adjustments.
Heat source | Efficiency used | Calculation | Cost per million Btu delivered |
Gas furnace, federal minimum | 80% AFUE | $13.44 ÷ 1.036 ÷ 0.80 | ≈ $16.22 |
Gas furnace, high efficiency | 95% AFUE | $13.44 ÷ 1.036 ÷ 0.95 | ≈ $13.66 |
Electric resistance | 100% | $0.1823 × (1,000,000 ÷ 3,412) | ≈ $53.43 |
Heat pump | COP 3 (ENERGY STAR "up to three times") | $53.43 ÷ 3 | ≈ $17.81 |
For example, based on EIA's national average winter 2026–2027 energy prices. Actual costs vary by location, equipment, and operating conditions.
The gas estimate assumes a furnace with 95% annual fuel utilization efficiency (AFUE). The heat pump estimate assumes a coefficient of performance (COP) of 3, meaning it delivers three units of heat for each unit of electricity used. This is an illustrative comparison, not a guarantee of winter performance.
Heat pump efficiency falls in colder weather, which can increase running costs. Gas furnaces also use electricity for their blowers and controls, so the table does not include that additional consumption.
What EIA expects households to spend this winter
The EIA also forecasts average winter heating expenditures for households that mainly use fuel. These figures (Nov 1st to Mar 31st) help show the expected financial impact of winter heating, but they are not a direct comparison of two systems in the same house. Home size, climate, and heating demand vary.
Region | Natural gas | Electricity |
U.S. average | $640 (down 9%) | $1,196 (up 4%) |
Northeast | $879 (down 14%) | $1,637 (down 3%) |
Midwest | $613 (down 10%) | $1,380 (up 3%) |
South | $511 (down 15%) | $1,079 (up 3%) |
West | $590 (up 7%) | $1,151 (up 9%) |
The EIA's base case assumes national heating degree days will remain close to last winter's level. However, it expects regional differences, with a warmer Northeast and a colder West. Its outlook also considers scenarios that are 10% colder or warmer than the base case.
At national average prices, gas generally costs less to run than electric resistance heating. A heat pump can make electric heating more competitive, especially where electricity rates are favorable. Your own energy bills provide the best starting point for a local comparison.
Converting a furnace rating in BTU per hour into something you can compare with a heater's watts starts with how watt to BTU conversion works for home heating equipment.
Cost per BTU is only half the comparison. In a winter outage, the most useful question is how much electricity each heating system needs to keep running at all.
What gas and electric heat are needed during an outage: EcoFlow TITAN Classic and EcoFlow TITAN Plus
A gas furnace uses natural gas to produce heat, but it still needs electricity to run its blower, ignition system, and controls. Electric heating systems depend on electricity for the heat itself. This difference affects how long a backup battery can support each system during a winter outage.
EcoFlow TITAN Classic for gas furnaces
The EcoFlow TITAN Classic can support the 120V electrical needs of a compatible gas furnace, including its blower, igniter, and controls, while the gas supply remains available. It can also support other compatible 120V essentials. It cannot power 240V heating loads, such as many electric furnaces or heat pump outdoor units.
EcoFlow TITAN Plus for electric heating
The EcoFlow TITAN Plus can support selected 120V or 240V circuits for compatible electric heating equipment through the appropriate Smart Home Panel 10 configuration. An electrician must check the equipment's rated and starting loads, along with other backed-up circuits, to confirm compatibility. Do not assume it can run an entire heating system without a load assessment.
How long can a backup battery run your heating system?
Runtime depends on the battery's usable energy and the equipment's actual power draw. For a gas furnace, use its measured electrical load to estimate runtime.
Estimated runtime formula:
5,000 Wh × 0.85 ÷ furnace running watts = estimated hours
Here, 0.85 is a planning assumption for conversion losses. Check the furnace nameplate or ask an HVAC technician for its electrical requirements before sizing a backup system.
For electrically heated homes, a practical backup plan may require selected circuits, additional battery capacity, or solar recharging. Neither system can keep a gas supply flowing if the utility supply is interrupted. Before choosing a backup system, have a licensed electrician confirm the heating equipment's voltage, running load, starting load, and circuit requirements.
Most modern furnaces stop when the lights do, which is why a gas furnace without electricity is one of the first problems to solve in a winter outage plan.
Backup needs favor gas, but the operating cost table showed a heat pump closing most of the gap, which is why heat pumps deserve their own look.
Heat pumps change the electric side of the answer
Electric heating includes two different technologies. Resistance heaters convert electricity directly into heat, while heat pumps move heat from outside and can deliver up to three times as much heat per unit of electricity under suitable conditions. This can make a heat pump more competitive with gas heating.
Cold-climate performance: Look for an ENERGY STAR cold-climate air-source heat pump certification. The relevant criteria include third-party verified low-temperature testing down to 5°F. Actual performance still depends on the model and outdoor conditions.
Hybrid heating systems: A dual-fuel system combines a heat pump with a gas furnace. The heat pump handles suitable conditions, while the furnace can take over during colder weather.
Backup power requirements: A heat pump's outdoor unit typically uses a 240V circuit. Backup planning must account for this load, its starting requirements, and other connected equipment. Have an electrician confirm whether the selected system can support the specific equipment.
When comparing a heat pump with a gas furnace, consider local energy prices, winter temperatures, installation costs, and the need for backup power. A heat pump may offer lower running costs than resistance heating, but its performance can decline as temperatures fall.
Choosing between the two most common setups is easier once you weigh heat pump versus furnace cost and performance in your own climate.
Cost and efficiency aside, gas and electric heat carry different safety risks, and those risks rise during winter storms.
Safety: carbon monoxide, combustion, and electrical loads
Gas heating involves combustion, so proper venting and carbon monoxide (CO) prevention are essential. Electric heating does not create carbon monoxide through the heating process itself, but high electrical loads require suitable circuits. Both systems need regular maintenance to operate safely.
Prevent carbon monoxide exposure
The CDC reports that more than 400 Americans die each year from unintentional carbon monoxide poisoning unrelated to fires. Gas furnaces, portable generators, and charcoal grills are potential sources. Have fuel-burning heating equipment inspected by a qualified technician every year.
Install battery-operated CO alarms or alarms with battery backup on every level of your home and outside sleeping areas. During a power outage, never use a gas oven, stove, grill, or portable generator indoors to heat your home. These can expose occupants to dangerous levels of carbon monoxide.
Follow electrical safety precautions
Electric furnaces and hardwired heaters need circuits sized for their electrical loads. Ask a licensed electrician to check the wiring and circuit capacity before installing or connecting heating equipment to a backup power system.
For portable electric space heaters, follow the manufacturer's instructions and plug the heater directly into a suitable wall outlet rather than an extension cord. Keep heating equipment in good condition and avoid overloading electrical circuits.
Winter storms raise carbon monoxide risk because families improvise heat, and knowing the hidden dangers of carbon monoxide helps households spot the warning signs early.
With cost, outage needs, and safety covered, the last step is matching all of it to your own house.
How to choose between gas and electric heat for your home?
The cheapest heating option at the national level may not be the cheapest for your home. Compare your local energy prices, existing equipment, and winter temperatures before making a decision.
Use these questions to guide your choice:
Do you already have a gas line? Switching fuels may require new equipment, gas connections, venting, or electrical work. Include these costs in your comparison.
What are your energy rates? Check your electricity price per kWh and natural gas price per therm or thousand cubic feet. Use them to estimate your cost per million Btu.
How cold are your winters? Long, cold winters can increase the cost of electric resistance heating. Heat pump performance also depends on outdoor temperatures.
Could a heat pump work for your home? Check its cold-climate performance rating and compare its expected running costs with those of a gas furnace.
What needs to work during an outage? A gas furnace needs electricity for its blower and controls. Electric heating can require much larger 240V loads. Have an electrician assess your backup power requirements.
You can also reduce heating demand by sealing drafts, improving insulation, and adjusting your thermostat when appropriate. These steps can lower energy use regardless of which heating system you choose.
Whatever fuel you choose, simple steps such as sealing drafts and setting back the thermostat can help you cut winter heating costs without giving up comfort.
Conclusion
Gas heating generally costs less to run than electric resistance heating at the EIA's projected national average prices for winter 2026–2027. Heat pumps can narrow that difference by delivering more heat per unit of electricity. However, local energy rates, equipment efficiency, and winter temperatures affect the final cost.
Start by comparing your own utility rates and calculating the cost per million Btu. Then check what your heating system needs during a power outage. For a compatible gas furnace's 120V electrical components, consider the EcoFlow TITAN Classic. For selected compatible electric heating circuits or 240V HVAC equipment, consider the EcoFlow TITAN Plus. Have a licensed electrician verify the equipment requirements and system compatibility before installation.
FAQs
Is gas heat cheaper than electric?
At the EIA's projected national average prices for winter 2026–2027, gas heating costs about $13.66 per million Btu in our example, compared with $53.43 for electric resistance heating. Local rates and equipment efficiency can change the result.
Is it cheaper to heat with electric or gas if I have a heat pump?
It can be closer. In our example, a heat pump with a COP of 3 costs about $17.81 per million Btu. Its actual cost depends on electricity prices and efficiency, which can fall in cold weather.
Is a gas or electric space heater cheaper to run?
Compare each heater's fuel price, rated efficiency, and heat output. Use your local energy rates to calculate the cost of delivering the same amount of heat. Any indoor gas heater must be approved for indoor use and operated with proper ventilation and CO alarms.
Does a gas furnace work during a power outage?
Most modern gas furnaces stop working during an outage because their blowers, electronic ignition systems, and controls need electricity. A suitable backup power system may support a compatible furnace if its electrical requirements are met and the gas supply remains available.
Which is safer: gas or electric heat?
Electric heating avoids combustion-related carbon monoxide from the heater itself. Gas heating can operate safely with proper installation, venting, and annual maintenance. Both systems require appropriate precautions, and every home should have working carbon monoxide alarms.
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