About The Author: Travis Baugh is a Digital Brand Marketing Manager for Bryant, where he creates clear, helpful content to guide homeowners through heating, cooling, and indoor air quality decisions. His goal is to empower readers with the knowledge they need to choose the right comfort solutions for their home—confidently and comfortably.
Gas vs Electric Furnace: Which Heating System is Right for You?
By Travis Baugh
The difference between a gas and electric furnace is how each system generates heat. A gas furnace burns natural gas or propane, while an electric furnace uses resistance heating elements. Bryant gas furnaces range from 80% to 98.5% AFUE, while electric resistance furnaces are generally rated at 100% AFUE at the point of use. Gas furnaces can have lower operating costs where natural gas prices are relatively low, while electric furnaces can have lower upfront installation costs.
As a general guide, gas furnaces can be a practical option for homes with natural gas service and higher heating demand, while electric furnaces can be practical where natural gas is unavailable or electricity rates are favorable. Deciding between a gas vs electric furnace is a significant investment in your home’s long-term comfort. This guide breaks down the critical differences in cost, efficiency, and performance to help you make a confident choice.
Gas vs. Electric Furnace Comparison
The table below summarizes the key differences using current Bryant equipment information and U.S. energy-price data. Actual installation and operating costs vary by home, climate, utility rates, equipment size, and installation requirements.
| Factor | Gas Furnace | Electric Furnace |
| How it generates heat | Burns natural gas or propane and transfers heat through a heat exchanger | Uses electric resistance heating elements |
| Typical AFUE | Bryant gas furnaces: 80%–98.5% AFUE | Generally 100% AFUE at the point of use |
| Infrastructure | Requires fuel supply and combustion venting | Requires adequate electrical service and wiring |
| Climate considerations | Commonly used in colder climates and homes with natural gas service | Can be practical in moderate climates or homes without natural gas service |
| Maintenance | Requires combustion-system inspection and routine furnace maintenance | Generally has fewer combustion-related components to maintain |
| Bryant example | Evolution™ 98 987M: up to 98.5% AFUE; 927T: up to 97% AFUE; 811S: 80% AFUE | Bryant does not currently manufacture a residential electric-resistance furnace; Bryant offers electric heat pumps instead |
What is the Difference Between Gas and Electric Furnaces?
While both systems are designed to circulate warm air and maintain a cozy environment, their underlying technology and fuel sources set them apart.
How Gas Furnaces Work
Gas furnaces rely on combustion. A burner ignites natural gas (or propane), creating hot combustion gases that pass through a heat exchanger. Air from your home flows over this exchanger, absorbs the heat, and is circulated back into your rooms. Learn more about what is a furnace.
- Best for: Homes with natural gas service, particularly in colder climates with higher heating demand.
- Requirement: Access to a natural gas line and a venting system.
Bryant's gas furnace lineup illustrates the range of efficiency available: the Evolution™ 98 987M reaches up to 98.5% AFUE, the Preferred™ 97 927T reaches up to 97% AFUE, and the Legacy™ 811S provides 80% AFUE.
How Electric Furnaces Work
Electric furnaces operate like a giant toaster. They use electric resistance coils that heat up when current passes through them. A blower fan pushes air over these hot coils and distributes it throughout the home.
- Best for: Moderate climates or homes without access to natural gas.
- Requirement: Sufficient electrical panel capacity (often 200 amps).
Electric resistance heating converts essentially all of the electricity entering the heating elements into heat at the point of use, which is why electric furnaces are generally rated at 100% AFUE. That does not necessarily mean they have lower operating costs than gas furnaces because electricity and natural gas are priced differently.
Bryant does not currently manufacture a residential electric-resistance furnace. Instead, Bryant's residential electric heating products include heat pumps, which move heat rather than generate it through electric resistance.
Comparing Costs: Gas vs Electric Furnaces
When evaluating electric vs gas furnace costs, you must look at the total cost of ownership: the initial price tag versus what you will pay every month.
Upfront Installation Costs
Electric furnaces are generally more affordable to purchase and install. Their simpler design means fewer components and no need for complex gas piping or venting infrastructure. Conversely, natural gas furnaces typically involve a higher initial investment due to the specialized installation required for combustion safety. Learn more about how much a furnace costs.
Bryant currently cites approximately $3,800–$12,000 for a typical new furnace installation, including equipment and installation, although actual pricing varies by fuel type, furnace size, efficiency, labor rates, and installation complexity. Bryant also notes that electric furnaces may have lower upfront costs, while gas furnace installation can involve additional gas-line and venting requirements.
Long-Term Operating Costs
For ongoing expenses, natural gas can have a lower cost per unit of delivered heat than electricity in regions where natural gas prices are favorable. Although electric furnaces are technically 100% efficient at converting energy to heat, their operating cost depends heavily on the local electricity rate and heating demand.
- Gas: Can have lower monthly heating costs in areas with relatively low natural gas prices; requires combustion-system furnace maintenance
- Electric: Can have higher monthly heating costs where electricity rates are high;; fewer combustion-related furnace parts
The U.S. Energy Information Administration reported an average residential electricity price of 17.30¢/kWh in 20251, but electricity rates vary substantially by state and utility. Because natural gas prices also vary by location and season, there is no single national monthly cost that accurately represents every gas-versus-electric furnace comparison.
Efficiency and Environmental Impact
Efficiency is measured by Annual Fuel Utilization Efficiency (AFUE).
- Gas Efficiency: Modern high efficiency furnaces from Bryant reach up to 98.5% AFUE. The Bryant Evolution™ 98 987M is rated at up to 98.5% AFUE, meaning it converts up to 98.5% of its annual fuel input into usable heat.
- Electric Efficiency: Electric furnaces are generally rated at 100% AFUE at the point of use because there is no combustion or flue loss. However, the cost and environmental impact of electric heating depend on electricity prices and how the electricity is generated.
If your goal is reducing onsite combustion, an electric furnace produces no onsite combustion emissions. The overall emissions associated with electric heating depend on the electricity generation mix. Meanwhile, gas furnaces use combustion but can achieve high AFUE ratings, reducing the amount of fuel lost through exhaust.
Selecting the Ideal Furnace for Your Home
Choosing the right furnace type depends on your local climate, utility rates, and existing home infrastructure.. If your home already has natural gas service, a Bryant furnace replacement can provide efficiency levels from 80% to 98.5% AFUE. If natural gas is unavailable, an electric furnace may be an option, provided the home's electrical service can support the equipment.
Consult a Professional
Don't guess when it comes to long-term comfort. A local Bryant dealer can assess your home's insulation, size, and energy needs to recommend an appropriately sized system and efficiency level. Bryant recommends a professional load calculation because factors such as insulation, windows, ceiling height, air leakage, and climate affect the required furnace capacity. They ensure proper furnace installation and furnace service, preventing common issues that reduce how long a furnace lasts and furnace efficiency. Schedule an appointment with a Bryant dealer today.
Explore Bryant Furnaces
Choose a Bryant furnace for reliable, efficient heating that keeps your home comfortable throughout the winter. Known for their durability and advanced technology, Bryant furnaces offer quiet operation, precise temperature control, and energy-saving features like variable-speed motors and 2-stage heating. With a range of models to suit different home sizes and needs, Bryant furnaces are built to last and come with industry-leading warranties, providing peace of mind and long-term value for your home heating system.
Gas vs Electric Furnace FAQs
It depends on your climate and energy rate.
In most areas, natural gas is cheaper than electricity for heating, making gas furnaces more cost-efficient for long-term operation.
Switching to electric heat may be worthwhile if you're focused on reducing carbon emissions, using renewable energy, or if natural gas prices in your area are high, but upfront costs can be significant.
Yes, but it may require electrical upgrades and new wiring. Electric furnaces can be a good option where natural gas isn’t available.
Your furnace still uses electricity to power the blower and controls, and other appliances or poor insulation can drive electric bills up.
A cracked heat exchanger is a serious issue that often requires professional diagnosis. Symptoms can include soot buildup, a yellow burner flame, strong odors, or water pooling around the furnace base.
High-efficiency furnaces often use variable-speed technology that reduces stress on components by ramping up slowly. This can potentially contribute to a longer lifespan compared to standard single-stage models that cycle on and off abruptly.
Learn More About Furnaces
- Learn how much is a new furnace
- Discover what is a heat pump vs furnace
- Explore what is a furnace
- Find out how long does a furnace last
- Discover the differences between a furnace vs boiler
- Learn about the importance of furnace cleaning
