The best electric furnaces in 2026 come from Goodman (best value at $800–$1,400), Rheem (best mid-range at $1,000–$1,800), and Carrier (best premium at $1,500–$2,500). Electric furnaces are simpler than gas units — no combustion, no flue, no gas line — so brand differences are less dramatic. Total installed cost ranges from $2,000 to $5,500, making electric furnaces the cheapest HVAC heating option to install, though they're the most expensive to operate due to high electricity costs.
Top Electric Furnace Brands Compared
| Brand | kW Range | Equipment Cost | Installed Cost | Warranty | Best For |
|---|---|---|---|---|---|
| Goodman | 10–23 kW | $800–$1,400 | $2,000–$3,800 | Lifetime HX, 5-yr parts | Best budget option |
| Rheem | 10–23 kW | $1,000–$1,800 | $2,500–$4,500 | Lifetime HX, 5-yr parts | Best mid-range |
| Carrier | 10–23 kW | $1,500–$2,500 | $3,500–$5,500 | 10-yr parts | Best premium build |
| Lennox | 10–23 kW | $1,400–$2,300 | $3,200–$5,200 | 10-yr parts | Excellent variable-speed options |
| York | 10–23 kW | $1,000–$1,800 | $2,500–$4,300 | 10-yr parts | Good mid-range alternative |
What to Look For in an Electric Furnace
Since all electric furnaces are essentially 100% efficient (every watt becomes heat), the key differentiators are:
Blower motor type. Variable-speed ECM blowers are quieter, use 60–75% less electricity for the fan, and provide better comfort. The fan electricity savings partially offset the higher operating cost.
Sequenced heating elements. Better electric furnaces activate their heating elements in stages (sequencers) rather than all at once. This reduces the initial power surge and provides more gradual, even heating. Look for 3–6 element stages.
Circuit breaker and wiring requirements. Electric furnaces draw 30–100+ amps depending on kW rating. A 15 kW unit needs a 60-amp circuit; a 23 kW unit needs two 60-amp circuits. Verify your electrical panel has capacity before purchasing.
Cabinet and build quality. Premium brands use heavier-gauge steel, better insulation, and more robust wiring connections. This matters less than with gas furnaces (no combustion stress) but still affects longevity.
Electric Furnace Sizing
| Home Size | Mild Climate (30 BTU/sq ft) | Moderate Climate (40 BTU/sq ft) | Cold Climate (50 BTU/sq ft) |
|---|---|---|---|
| 1,000 sq ft | 10 kW (30,000 BTU) | 12 kW (40,000 BTU) | 15 kW (50,000 BTU) |
| 1,500 sq ft | 13 kW (45,000 BTU) | 18 kW (60,000 BTU) | 22 kW (75,000 BTU) |
| 2,000 sq ft | 18 kW (60,000 BTU) | 23 kW (80,000 BTU) | 30 kW+ (100,000 BTU) |
| 2,500 sq ft | 22 kW (75,000 BTU) | 29 kW (100,000 BTU) | 37 kW+ (125,000 BTU) |
Electric furnaces in cold climates are extremely expensive to operate. A 20 kW electric furnace running 10 hours/day at $0.16/kWh costs $32/day — roughly $960/month in the coldest winter months. If you're in a cold climate without gas access, a heat pump with electric backup strips is almost always a better investment than a standalone electric furnace.
When an Electric Furnace Makes Sense
Electric furnaces are the right choice in a narrow set of circumstances: mild climates with low heating loads where the annual cost difference versus gas is small, homes without gas access where running a gas line is impractical, backup/supplemental heating for a heat pump system (electric strips in the air handler), additions, garages, or workshops where installing gas is prohibitively expensive, and areas with very cheap electricity (under $0.08/kWh).
Operating Cost Math: kWh per Heating Degree Day
The load equation for an electric furnace is simpler than for combustion equipment because every watt of input becomes a watt of heat. Delivered heat and consumed electricity are the same number, converted through the physics constant 1 kW = 3,412 BTU per hour. Runtime, not efficiency, is what drives the utility bill.
Runtime scales with heating degree days (HDD). NOAA and the EIA both publish HDD on a base of 65°F: each day contributes 65 minus the daily mean outdoor temperature if positive, and zero otherwise. A season in Chicago carries roughly 6,000 HDD, in Minneapolis roughly 7,800, and in Atlanta roughly 2,800, per NOAA's 1991–2020 Climate Normals. Your local weather station's 30-year normal is the number to use.
The standard degree-day method, documented in the ASHRAE Handbook of Fundamentals, estimates seasonal heat load as design heat loss × 24 × HDD divided by design temperature difference. Design heat loss comes from a Manual J calculation for your specific home. Design temperature difference is your indoor setpoint minus the ASHRAE 99% winter outdoor design temperature for your county, which typically means 70°F minus a low-single-digit or subzero outdoor number in the northern tier.
For a home with a 60,000 BTU/hr design heat loss and a 65°F design ΔT in a 6,000-HDD climate, seasonal delivered heat is (60,000 × 24 × 6,000) ÷ 65, which works out to about 132.9 million BTU. Dividing by 3,412 converts that to roughly 38,940 kWh per heating season. That number is the electric furnace's contribution before blower and control power are added.
Multiplying by the utility rate produces the seasonal cost. The EIA publishes state average residential rates monthly in the Electric Power Monthly report, with the national residential average commonly running in the mid-teens per kWh in recent updates and New England and California materially higher. Using $0.16/kWh, the 38,940 kWh season above costs about $6,230 for heating alone.
The same equation lets a reader plug in local numbers rather than trust a single warning callout. If the home in the example were in a milder 3,000-HDD climate with the same 60,000 BTU/hr design load, seasonal energy drops to about 19,470 kWh and cost to roughly $3,120 at $0.16/kWh. Cutting the design load in half through insulation and air sealing scales the answer linearly, which is why envelope upgrades tend to pencil out faster in resistance-heated homes than in gas-heated ones.
Two adjustments improve accuracy. The raw degree-day method assumes the balance-point temperature equals the 65°F base, but tight modern homes may balance lower, which shortens the effective HDD count and reduces predicted energy on the order of 10 to 20 percent. Thermostat setback recovers a small additional amount because the furnace is off during setback hours, though the effect is modest in continuously occupied homes.
For readers who want monthly resolution, HDD is additive across months. Take the local monthly HDD normal from NOAA's Climate Normals, run the same formula month by month, and sum the results. A cold-climate December or January in the northern Plains commonly contributes 1,300 to 1,600 HDD each, which is what drives a single-month heating bill into the four-figure range with electric resistance.
Worked Example: 2,000 sq ft Home in a Cold Climate
Take a 2,000 sq ft, moderately insulated home in the Twin Cities. A Manual J calculation for a well-sealed but not passive-house build in this climate commonly lands the design heat loss in the 60,000 to 80,000 BTU/hr range at a 70°F setpoint against the ASHRAE 99% winter design temperature, which for Minneapolis–St. Paul International is commonly cited near -11°F. Using 70,000 BTU/hr and an 81°F design ΔT keeps the arithmetic clean.
Minneapolis's 30-year normal per NOAA's 1991–2020 Climate Normals is approximately 7,800 HDD base 65°F. Plugging into the degree-day formula, (70,000 × 24 × 7,800) ÷ (81 × 3,412) works out to roughly 47,400 kWh delivered by the furnace over the season. A 21 kW electric furnace, rated near 71,600 BTU/hr output, matches the design load closely and would run about 2,260 hours across the season — call it 45 percent duty cycle averaged over roughly 5,000 heating-season hours.
Multiplying kWh by the utility rate turns runtime into a bill. The EIA reports Minnesota residential electricity in the low-to-mid $0.15 per kWh range in recent Electric Power Monthly issues; using $0.16/kWh for round numbers, the seasonal heating-element cost is about $7,580. At a lower $0.13/kWh (which some Minnesota rural cooperatives approach), the same season is closer to $6,160. Utilities with tiered or time-of-use rates require pulling the actual winter rate schedule rather than the annual average.
Breaking the season into months uses the same formula with NOAA monthly HDD normals. Minneapolis monthly HDD normals fall on the order of 800 in October, 1,150 in November, 1,500 in December, 1,600 in January, 1,300 in February, 1,000 in March, and 500 in April. Applying (70,000 × 24 × monthly HDD) ÷ (81 × 3,412) to each month, January comes out near 9,730 kWh (about $1,560 at $0.16/kWh), December near 9,120 kWh ($1,460), and February near 7,900 kWh ($1,265).
The $200 to $550 per month band cited in generic electric-furnace commentary describes shoulder-season months or milder climates, not a Minneapolis January. The winter peak here is closer to $1,500 for the furnace alone, before adding the always-on refrigerator, lights, and hot water. That is the arithmetic behind the frequent recommendation to prefer a cold-climate heat pump with resistance backup in this climate rather than an all-resistance system.
Rerunning the same worked example in a mild-climate city changes the outcome. Atlanta's HDD normal is roughly 2,800 and its ASHRAE 99% design temperature is closer to 24°F — a 46°F design ΔT. For the same 2,000 sq ft home the Manual J load would typically be much smaller (on the order of 30,000 BTU/hr) because the driving temperature difference is roughly 60 percent of Minneapolis. Substituting yields (30,000 × 24 × 2,800) ÷ (46 × 3,412) ≈ 12,850 kWh per season, or roughly $1,670 at Georgia's residential rate commonly reported near $0.13/kWh in EIA monthly data.
Sensitivity checks matter. Trimming the design load 20 percent through air sealing and attic insulation moves the Minneapolis annual bill from about $7,580 to $6,060 at the same rate. Dropping the electricity rate 20 percent through a rural cooperative or a fixed all-electric heating rate schedule saves a comparable amount. Neither offset closes the gap versus a modern cold-climate heat pump running at a seasonal COP of 2.5 to 3, which the same 47,400 kWh of delivered heat would reduce to roughly 16,000 to 19,000 kWh of purchased electricity.
ECM vs PSC Blower: Wattage and Annual Savings
The blower motor runs whenever the furnace calls for heat and continuously if the thermostat is set to fan-on. Its wattage is separate from the heating elements' wattage, and on an electric furnace it shows up on the same meter — a rare case where fan efficiency directly affects the heat bill's total. Two motor technologies dominate residential furnaces and air handlers: permanent split capacitor (PSC) and electronically commutated motor (ECM).
Manufacturer specification sheets for typical residential blowers list PSC continuous-fan draw commonly in the 400 to 600 W range at typical airflow of 1,200 to 1,600 CFM. ECM blowers on the same airflow generally list in the 75 to 200 W range at low or medium speed, rising toward 400 W only at high-speed heating operation. DOE's regulatory analyses supporting the residential furnace fan energy conservation standard — the Fan Energy Rating test procedure at 10 CFR 430 Subpart B, Appendix AA — documented similar per-unit wattage gaps when the rule was finalized.
Two spending scenarios matter: continuous fan and heating-call-only. Continuous fan is common in homes using central ventilation, whole-house humidification, or high-MERV filtration through the air handler. At 8,760 hours per year and a 350 W delta (500 W PSC minus 150 W ECM as a midpoint), annual fan-only electricity difference is 3,066 kWh. At the national residential average commonly reported near $0.16/kWh in EIA Electric Power Monthly, that is about $490 per year. In higher-rate states in the Northeast or California, where residential rates commonly run in the upper $0.20s to $0.30s per kWh, the same 3,066 kWh delta exceeds $700 annually.
Heating-call-only operation compresses the runtime. Using the Minneapolis worked example from the previous section, the furnace ran roughly 2,260 hours over the season. The 350 W delta across those hours totals about 791 kWh, or roughly $127 at $0.16/kWh. Adding the cooling season (the blower runs on air conditioning calls too) roughly doubles that figure for a home with meaningful summer AC use. Real but smaller than the continuous-fan case.
Two secondary benefits scale further. ECM variable speed lets the system deliver low-CFM circulation for filtration or humidity control at a fraction of the wattage of a fixed-speed PSC on its low tap. ECM torque control also maintains rated airflow against duct static pressure, which keeps the heating elements' effective delivery closer to nameplate — a PSC on a dirty filter or restrictive duct loses airflow, and the elements can cycle on high-limit switches, wasting cycles.
The upgrade cost is modest. The premium for ECM at the furnace level is typically a few hundred dollars over an equivalent PSC-equipped model, and many current mid-tier and premium furnace lines from major brands ship with ECM as standard. At $490 per year in continuous-fan savings the payback is on the order of one heating season; at $127 per year heating-only in a mild climate, payback stretches to two to four seasons — still well inside the equipment's useful life.
Two sanity checks before wiring the assumption into a budget. Pull the actual continuous-fan wattage from the specific model's spec sheet, because a small share of low-end air handlers ship with constant-torque motors that draw closer to 250 to 300 W at typical airflow and give up much of the theoretical ECM savings. Then verify the fan setting: many thermostats default to auto, in which case only the heating-call-only savings apply, not the full continuous number.
Key Takeaways
- Electric furnaces cost $2,000–$5,500 installed — the cheapest upfront heating option.
- Operating costs are 2–3× higher than gas in most markets. Budget $1,200–$2,500/year for a typical home.
- All electric furnaces are essentially 100% efficient — brand choice comes down to blower motor type, build quality, and warranty.
- Best budget pick: Goodman. Best mid-range: Rheem. Best premium: Carrier.
- Electric furnaces make the most sense in mild climates and homes without gas access.
- In cold climates without gas, a heat pump with electric backup strips is almost always a better investment.
- Prioritize a variable-speed ECM blower — the electricity savings for the fan motor partially offset the high heating cost.
Frequently Asked Questions
In moderate-to-cold climates, expect $200-$550 per month during winter at national average electricity rates ($0.16/kWh). In mild climates, $50-$150/month. A 20 kW electric furnace running 8 hours/day costs about $25.60/day, or $768/month. These costs are significantly higher than gas furnace operating costs.