Gas vs Electric Dryer Calculator
Compare the total cost of ownership between gas and electric dryers to make an informed decision.
Common Assumptions
Electric Dryer Details
Gas Dryer Details
What is a Gas vs Electric Dryer Calculator?
A gas vs electric dryer calculator is a financial tool designed to help homeowners and renters make an educated decision when purchasing a new clothes dryer. It moves beyond the initial sticker price to provide a clearer picture of the long-term financial impact of each option. By inputting variables like the purchase price, local energy costs, and household laundry habits, the calculator estimates the total cost of ownership over several years for both a gas and an electric model.
This is crucial because while electric dryers are often cheaper to buy, gas dryers are typically cheaper to run. The calculator quantifies this tradeoff, showing you which appliance is likely to save you money in the long run. It helps answer the key question: “Will the annual energy savings of a gas dryer be enough to offset its higher initial purchase price within my expected ownership period?”
The Formulas Behind the Comparison
The calculator uses established formulas to determine the annual running cost and total cost of ownership for each dryer type. The core of the calculation is converting your usage into energy consumption and then multiplying that by your local energy rates.
Formula Explanations:
Electric Dryer Annual Cost:
(Dryer Wattage / 1000) * (Cycle Time / 60) * (Loads per Week * 52) * Cost per kWh
This formula first converts the dryer’s power from watts to kilowatts (kW), then calculates the energy used per load in kilowatt-hours (kWh). It then multiplies this by the total loads per year to find the annual energy usage, which is finally multiplied by the cost per kWh.
Gas Dryer Annual Cost:
(BTU Rating / 100,000) * (Cycle Time / 60) * (Loads per Week * 52) * Cost per Therm
Similarly, this converts the dryer’s energy rating from BTUs per hour into therms per hour (since 1 therm = 100,000 BTU). This is multiplied by the load duration and total annual loads to determine the total therms consumed, which is then multiplied by your cost per therm.
Total Cost of Ownership (TCO):
Purchase Price + (Annual Running Cost * Years of Ownership)
This simple formula adds the initial upfront cost to the cumulative running costs over the time you plan to own the dryer.
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Purchase Price | The initial cost to buy the appliance. | $ (USD) | $500 – $1,200 |
| Cost per kWh | The rate your utility charges for electricity. | $ (USD) | $0.10 – $0.40 |
| Cost per Therm | The rate your utility charges for natural gas. | $ (USD) | $1.00 – $2.50 |
| Dryer Wattage | Power consumption of an electric dryer. | Watts | 1800 – 5000 W |
| BTU Rating | Heat output of a gas dryer burner. | BTU/hour | 20,000 – 22,000 |
| Loads per Week | Your household’s weekly laundry frequency. | Loads | 2 – 10 |
Practical Examples
Example 1: The Suburban Family
A family of four does a lot of laundry. They need a reliable dryer and want to know the most cost-effective option over a 10-year period.
- Inputs:
- Loads per Week: 8
- Years of Ownership: 10
- Electric Dryer: $650 price, 3500W, $0.18/kWh
- Gas Dryer: $750 price, 22,000 BTU, $1.50/Therm
- Results:
- Electric Annual Cost: ~$218
- Gas Annual Cost: ~$137
- Electric 10-Year TCO: $2,830
- Gas 10-Year TCO: $2,120
- Conclusion: For this high-usage family, the gas dryer is significantly cheaper over its lifetime, saving them over $700 despite the higher initial cost.
Example 2: The City Apartment Renter
A single person in an apartment does laundry less frequently and might move in a few years. Their electricity rate is high.
- Inputs:
- Loads per Week: 3
- Years of Ownership: 5
- Electric Dryer: $550 price, 3000W, $0.25/kWh
- Gas Dryer: $680 price, 22,000 BTU, $1.80/Therm (and assuming a gas hookup is available)
- Results:
- Electric Annual Cost: ~$98
- Gas Annual Cost: ~$64
- Electric 5-Year TCO: $1,040
- Gas 5-Year TCO: $1,000
- Conclusion: The costs are remarkably close. Given the smaller price difference and the shorter ownership period, the initial savings of the electric dryer might be more appealing, especially if installing a gas line would add extra cost. The gas vs electric dryer calculator shows the breakeven point is almost 4 years.
How to Use This Gas vs Electric Dryer Calculator
Using the calculator is a straightforward process designed to give you personalized results quickly.
- Enter Common Assumptions: Start by inputting how many loads of laundry you do per week and how many years you expect to own the dryer.
- Input Electric Dryer Details: Fill in the purchase price of the electric model you’re considering. Then, find your electricity rate (in $/kWh) on your latest utility bill and enter it. Finally, input the dryer’s wattage, found in its manual or on the manufacturer’s website.
- Input Gas Dryer Details: Do the same for the gas dryer model. Enter its purchase price. Find your natural gas rate (in $/Therm) from your utility bill. Input the dryer’s BTU rating, which is also in the product specifications.
- Adjust Cycle Times: Enter the average time it takes for each type of dryer to dry a load. Gas dryers are often faster.
- Calculate & Analyze: Click the “Calculate” button. The tool will display the annual running cost and the total cost of ownership (TCO) for both dryers. The primary result will highlight which option is cheaper over your specified timeframe. The bar chart provides a quick visual comparison of the long-term costs.
Key Factors That Affect the Gas vs Electric Dryer Decision
Several factors beyond the numbers in our gas vs electric dryer calculator can influence your choice.
- Local Utility Rates: This is the most significant factor. The price difference between electricity and natural gas in your specific area will heavily sway the long-term costs.
- Installation and Hookups: Does your laundry room have a 240-volt outlet for an electric dryer? Does it have a capped gas line and external vent for a gas dryer? If not, the cost of hiring an electrician or a plumber to install the necessary infrastructure can add hundreds of dollars to the upfront cost.
- Appliance Purchase Price: Gas dryers typically cost $50 to $150 more than their electric counterparts. This initial premium is what the lower running costs need to overcome.
- Drying Speed: Gas dryers heat up and dry clothes faster than electric models. If you do many loads back-to-back, this time saving can be a valuable lifestyle benefit.
- Maintenance and Repair: Electric dryers have a simpler heating mechanism (a heating element) which can be easier and cheaper to repair than the gas burner and ignition components in a gas dryer.
- Energy Efficiency (CEF): Look for the Combined Energy Factor (CEF) rating on new dryers. A higher CEF means greater energy efficiency. Energy Star certified dryers are a great place to start.
Frequently Asked Questions (FAQ)
1. Is a gas or electric dryer cheaper to run?
Generally, a gas dryer is cheaper to run per load. Natural gas is often a less expensive energy source than electricity for producing heat, resulting in lower operational costs, sometimes by as much as 50%.
2. How much more expensive is a gas dryer to buy?
A gas dryer typically costs between $50 and $150 more than the equivalent electric model from the same brand.
3. Do gas dryers use any electricity?
Yes. A gas dryer uses electricity to power the drum motor, the fan, the control panel, and any lights. The primary heating, however, is done by burning natural gas.
4. What is a therm?
A therm is a unit of heat energy equal to 100,000 British Thermal Units (BTU). It’s the standard unit used by utility companies to bill for natural gas consumption.
5. What kind of outlet does an electric dryer need?
Most electric dryers require a dedicated 240-volt, 30-amp circuit, which is a large, four-pronged outlet. They cannot be plugged into a standard 120-volt wall socket.
6. What is the breakeven point?
The breakeven point is the amount of time it takes for the accumulated energy savings of the more efficient dryer (gas) to cover its higher upfront purchase price. Our gas vs electric dryer calculator computes this to help your decision.
7. Are gas dryers safe?
Yes, when installed correctly. Modern gas dryers are built with numerous safety features. However, correct installation, including proper ventilation to the outside and a secure gas connection, is critical to prevent risks of carbon monoxide or gas leaks.
8. What if I don’t have a gas line in my laundry room?
If you don’t have an existing gas hookup, you will need to hire a licensed plumber to run a new gas line. This can be a significant expense ($200-$1000+) and may make an electric dryer the more practical and economical choice.
Related Tools and Internal Resources
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- Home Renovation Budget Calculator – Plan the costs for home improvement projects.
- Cost of Living Comparison Tool – See how utility rates differ between cities.
- Payback Period Calculator – Understand the breakeven point for various investments.
- Home Energy Audit Guide – Learn how to identify and reduce energy waste in your home.
- DIY vs. Pro Installation Costs – Compare the costs of installing appliances yourself versus hiring a professional.