A refrigerated drinks vending machine uses roughly 3 to 4 kWh of electricity a day under the US federal test, and an ambient snack, PPE or tool machine uses much less. The difference is the compressor. The US caps the daily energy of refrigerated beverage machines by a formula tied to their chilled volume. Under that formula, a typical 30 cu ft glass-front machine is allowed 3.99 kWh a day, about US$212 a year at current US commercial rates. Below, we work out the cost for your own tariff and cover what moves the figure and what to ask for before you buy.
Quick answer
- Refrigerated drinks machine (30 cu ft, glass front): 3.23 to 3.99 kWh a day, about 1,180 to 1,456 kWh a year, from best available to the federal limit.
- Ambient snack, PPE or tool machine: much lower, because there is no compressor. Its load is the controller, the screen, the lighting and the payment and network modules.
- Running cost: kWh per day × 365 × your tariff. At 14.53 US cents per kWh (EIA, July 2026), the refrigerated range above costs about US$171 to US$212 a year.
- What moves it: room temperature, lighting, how often warm stock is loaded, whether a low-power mode is used, and the machine’s age.
- Before you buy: ask for the rated draw and start-up surge on the spec sheet, and for refrigerated machines, the tested kWh per day and the refrigerant.
How much electricity does a vending machine use?
The answer depends almost entirely on whether the machine is refrigerated.
| Machine type | Main electrical loads | Typical daily energy | Source of the figure |
|---|---|---|---|
| Refrigerated drinks, glass front (Class A), 30 cu ft | Compressor, evaporator and condenser fans, lighting, controller | 3.23 kWh (best available) to 3.99 kWh (federal limit) | DOE FEMP purchasing guidance; 10 CFR 431.296 |
| Refrigerated drinks, solid front (Class B), 30 cu ft | As above | Up to 3.76 kWh (federal limit) | 10 CFR 431.296 formula |
| Combination (chilled drinks + ambient snacks) | Compressor for the chilled section, plus ambient loads | Federal limit depends on chilled volume; 4.38 kWh at 20 cu ft (Combination A) | 10 CFR 431.296 formula |
| Ambient snack, PPE, tool or MRO machine | Controller, screen, lighting, payment terminal, 4G/WiFi, vend motors in short bursts | Lowest of the group; no federal standard | Rated draw on the machine’s spec sheet |
| Hot-drinks machine | Water heater plus the above | Highest; varies with the volume served | Rated draw on the spec sheet |
The federal figures are test results under the DOE procedure, not a promise about your site. A machine in a hot corridor, loaded with warm cans every afternoon, works harder than the same machine in a cool lobby.
The US federal energy standard for vending machines
Since 2012 the US Department of Energy has set maximum daily energy use for refrigerated bottled or canned beverage vending machines. The current limits apply to machines made on or after 8 January 2019 and are in 10 CFR 431.296:
| Equipment class (10 CFR 431.292) | What it is | Maximum daily energy (kWh/day) | At 30 cu ft |
|---|---|---|---|
| Class A | 25% or more of the front is transparent (glass-front) | 0.052 × V + 2.43 | 3.99 |
| Class B | Not Class A, not a combination machine (solid front, e.g. stack-type) | 0.052 × V + 2.20 | 3.76 |
| Combination A | Refrigerated and non-refrigerated compartments; 25% or more of the front transparent | 0.086 × V + 2.66 | 5.24 |
| Combination B | Combination machine that is not Combination A | 0.111 × V + 2.04 | 5.37 |
V is the refrigerated volume in cubic feet. The 30 cu ft column is arithmetic for comparison only; a combination machine’s chilled volume is usually well under 30 cu ft.
The DOE’s own purchasing example uses a 30 cu ft Class A machine, and its “less efficient” figure of 3.99 kWh a day is exactly the federal limit for that size. These standards cover refrigerated beverage machines. An ambient snack machine, a PPE machine or a locker has no federal kWh limit, which is why you should ask the supplier for a measured or rated figure.
This is a summary for planning, not legal advice. Rules change; confirm the requirements for the market where the machine will stand. Figures as of October 2026.
Vending machine electricity cost: the arithmetic
To estimate your vending machine electricity cost, multiply kWh per day by 365 and by your tariff. The table uses the US commercial average of 14.53 cents per kWh, which the EIA reported for July 2026:
| Machine | kWh/day | kWh/year | Cost/year at 14.53¢ | Cost/day |
|---|---|---|---|---|
| Best available (FEMP), 30 cu ft Class A | 3.23 | 1,179 | about US$171 | about US$0.47 |
| ENERGY STAR (FEMP), 30 cu ft Class A | 3.71 | 1,354 | about US$197 | about US$0.54 |
| Federal limit, 30 cu ft Class A | 3.99 | 1,456 | about US$212 | about US$0.58 |
| Illustrative ambient machine averaging 100 W | 2.4 | 876 | about US$127 | about US$0.35 |
The last row is an illustration of the method, not a measurement of any machine. Replace 100 W with the average draw your supplier gives you.
Two points follow from the table:
- Efficiency is worth tens of dollars a year per machine, not hundreds. The gap between the federal limit and the best-available machine is 0.76 kWh a day, about US$40 a year at 14.53 cents. Over a 13.5-year life, the lifespan the DOE assumes, that adds up, and it multiplies across a fleet. It is still small next to the margin on what the machine sells.
- Your tariff matters as much as the machine. Commercial tariffs vary widely between US states and between countries. Use the rate on your own bill, including any demand or time-of-use charges.
What makes one machine use more than another
- Refrigeration and room temperature. The compressor works against the heat around the cabinet. A machine in direct sun, a hot plant room or an unconditioned loading dock uses more energy than its test figure. Leave the ventilation clearance the manual specifies.
- Restocking warm product. Every warm can or bottle has to be pulled down to temperature. Large restocks of warm product create a run of compressor time after every visit.
- Lighting and the screen. Cabinet lighting and a touchscreen run while the machine is on. Dimming or switching them off when the site is closed is one of the simplest savings.
- Low-power modes. ENERGY STAR says certified machines include a low-power mode that puts the lighting and/or refrigeration into a low-energy state during inactive periods. The DOE recommends that facility staff ask vendors to turn on the low-power state that suits the site.
- Age. Machines made before the 2012 and 2019 standards were not built to the current limits.
- Hot drinks and heaters. Heating elements draw far more than anything else in the machine while they run.
The other rules that touch vending machine energy
- ENERGY STAR (US). ENERGY STAR says certified refrigerated beverage vending machines are on average 9% more efficient than standard models. They use more efficient compressors, fan motors and lighting, and they offer a low-power mode. The current specification took effect in April 2020. ENERGY STAR also recommends lower-GWP refrigerants such as R-290, R-600a and R-744 (CO₂).
- Refrigerant (US AIM Act). EPA’s Technology Transitions rule sets a GWP limit of 150 for self-contained vending machines. Machines over the limit could not be manufactured or imported from 1 January 2025, and cannot be sold or distributed from 1 January 2028. This is a climate rule, not an energy rule, but it decides which refrigerant a new machine can use.
- EU and Great Britain. Regulation (EU) 2019/2024 sets ecodesign requirements for refrigerating appliances with a direct sales function, a category that includes refrigerated vending machines. From 1 September 2023 their Energy Efficiency Index may not exceed 80%; refrigerated drum vending machines are excepted. Regulation (EU) 2019/2018 requires an energy label from 1 March 2021, and vending machines that work at frozen temperatures are excluded. Great Britain kept both regulations, as published on legislation.gov.uk.
- Measurement standards. The European Vending & Coffee Service Association (EVA) maintains an Energy Measurement Protocol for hot and cold drinks machines. Its technical experts also developed EN 50597 / IEC 63252, the standard for measuring the energy use of refrigerated vending machines. A tested kWh figure should state which method produced it.
What KioskForce publishes, and what it does not
We do not publish a single wattage or kWh figure for our machines, because it depends on the configuration ordered: ambient or refrigerated, screen size, lighting, payment hardware and options such as charging ports. What we do:
- Build to the destination supply. Voltage, frequency and plug or hard-wiring are set at quotation. See power, voltage and market compliance.
- State the rated draw on the spec sheet issued with your quotation, so your electrician can size the circuit for the start-up surge.
- Offer refrigerated builds with R290 or R134a on the BG10X10, KF6X10 and KF10X22, chosen for the destination market.
- Test refrigeration before shipping on a dedicated test station for cooling rate and temperature stability, recorded against the machine’s serial number.
- Stop sales when a refrigerated cabinet is out of range. A health-control block halts sales when the cabinet leaves its temperature range. The threshold is set to the buyer’s food-safety rules.
The machine’s cloud dashboard reports temperature and power status alongside sales, so a power cut or a struggling compressor shows up as an alert rather than a warm cabinet found on the next visit. See vending machine telemetry and remote monitoring.
What to specify if you are buying one
Copy these into your enquiry, whoever you buy from:
- The site supply: voltage, frequency, plug pattern or hard-wired, and the breaker rating at the outlet.
- Ambient or refrigerated, and for refrigerated machines, the product temperature you need.
- The rated draw and start-up surge of the configuration quoted.
- A tested kWh-per-day figure for refrigerated machines, the method behind it, and the room temperature it was tested at.
- The refrigerant and its GWP, checked against the rules in your market.
- Lighting and screen behaviour out of hours: can they dim or switch off on a schedule?
- The position: sun, heat, ventilation clearance and whether it is indoors.
Published starting prices for the machines are on vending machine cost, and the machine types are compared on the smart vending machines hub.
Where chasing efficiency is the wrong answer
- A small fleet in cheap-power locations. At around US$40 a year between the federal limit and the best available, a higher price for a premium machine can take years to pay back. Spend the money on the right dispensing method and payment first.
- Ambient products in a refrigerated cabinet. Chilling snacks, PPE or stationery that do not need it is the largest waste of all. Specify ambient where the products allow it.
- Off-grid sites with a chilled machine. If the site has no mains power, a refrigerated machine is the hardest case for solar. Consider an ambient product range or a mains connection before an oversized battery bank; see does your vending machine need solar power?
Frequently asked questions
How much electricity does a vending machine use per day?
A refrigerated glass-front drinks machine of about 30 cubic feet is allowed up to 3.99 kWh a day under the US federal standard (10 CFR 431.296), measured under the DOE test procedure. The US Department of Energy’s purchasing guidance puts an ENERGY STAR machine of that size at 3.71 kWh a day and the best available at 3.23 kWh. An ambient snack, PPE or tool machine has no compressor, so it uses much less: its load is the controller, screen, lighting and a vend motor that runs for a second or two per sale.
How much does it cost to run a vending machine for a year?
Multiply kWh per day by 365 and by your electricity tariff. A refrigerated drinks machine at the 3.99 kWh-a-day federal limit uses about 1,456 kWh a year. At the US commercial average of 14.53 cents per kWh reported by the EIA for July 2026, that is about US$212 a year. An ENERGY STAR-level machine at 3.71 kWh a day costs about US$197, and a best-available machine at 3.23 kWh a day about US$171. Use your own tariff; commercial rates vary widely by state and country.
Do snack vending machines use less power than drinks machines?
Yes, if the snack machine is ambient. The compressor is the largest load in a refrigerated machine, and an ambient machine does not have one. What is left is the controller, the touchscreen or display, the cabinet lighting, the payment terminal, the 4G or WiFi module and the vend motors, which run only for a moment per sale. A combination machine with a chilled drinks section and an ambient snack section sits between the two. US federal energy standards cover refrigerated beverage machines only, so there is no federal kWh figure for an ambient machine.
What is the US energy standard for vending machines?
Refrigerated bottled or canned beverage vending machines made on or after 8 January 2019 must meet the maximum daily energy consumption limits in 10 CFR 431.296. The limits are equations based on refrigerated volume V in cubic feet: Class A (25 percent or more of the front transparent) 0.052 x V + 2.43 kWh a day; Class B 0.052 x V + 2.20; Combination A 0.086 x V + 2.66; Combination B 0.111 x V + 2.04. Ambient snack machines are not covered by these standards.
Is an ENERGY STAR vending machine worth it?
ENERGY STAR says certified refrigerated beverage vending machines are on average 9 percent more efficient than standard models, using more efficient compressors, fan motors and lighting, plus a low-power mode for idle periods. In the DOE’s federal purchasing example, the gap between a less-efficient and an ENERGY STAR machine is 0.28 kWh a day, or about US$15 a year at 14.53 cents per kWh. The low-power mode can be worth more than the label on a machine that stands idle overnight or at weekends.
What voltage and circuit does a vending machine need?
KioskForce builds each machine for the destination supply, for example 110V/60Hz for North America or 220-240V/50Hz for Australia, Europe and most of Asia. The rated draw and start-up surge for your configuration are on the spec sheet issued with the quotation. Give that figure to a licensed electrician, who confirms the circuit and breaker against local wiring rules. Refrigerated machines need a circuit sized for the compressor’s start-up surge, not only its running draw, and a dedicated circuit is the safer choice.
Can a vending machine run on solar power?
An ambient machine with a modest load can, with enough panel and battery capacity to cover nights and cloudy days. A refrigerated machine is much harder, because its compressor runs around the clock and starts with a surge. Size any off-grid system from the machine’s measured daily kWh and the site’s worst month of sun, not from the average. For most sites, a mains connection is still the simpler and cheaper option.
References
- eCFR — “10 CFR 431.296 Energy conservation standards and their effective dates” (Refrigerated bottled or canned beverage vending machines; accessed 3 October 2026). https://www.ecfr.gov/current/title-10/chapter-II/subchapter-D/part-431/subpart-Q/section-431.296
- eCFR — “10 CFR 431.292 Definitions concerning refrigerated bottled or canned beverage vending machines” (accessed 3 October 2026). https://www.ecfr.gov/current/title-10/chapter-II/subchapter-D/part-431/subpart-Q/section-431.292
- US Department of Energy, Federal Energy Management Program — “Purchasing Energy-Efficient Refrigerated Beverage Vending Machines” (updated December 2023; accessed 3 October 2026). https://www.energy.gov/femp/purchasing-energy-efficient-refrigerated-beverage-vending-machines
- ENERGY STAR — “Vending Machines” (accessed 3 October 2026). https://www.energystar.gov/products/vending_machines
- US Energy Information Administration — “Electric Power Monthly, Table 5.6.A: Average Price of Electricity to Ultimate Customers by End-Use Sector” (released 24 September 2026). https://www.eia.gov/electricity/monthly/epm_table_grapher.php?t=epmt_5_6_a
- US EPA — “Technology Transitions HFC Restrictions by Sector” (updated 28 August 2026). https://www.epa.gov/climate-hfcs-reduction/technology-transitions-hfc-restrictions-sector
- legislation.gov.uk — “Commission Regulation (EU) 2019/2024 … refrigerating appliances with a direct sales function”, Annex II (accessed 3 October 2026). https://www.legislation.gov.uk/eur/2019/2024/annex/II
- European Vending & Coffee Service Association — “Technical standards” (accessed 3 October 2026). https://www.vending-europe.eu/activities/technical-standards/
Related
- Smart vending machines: the hub for this cluster
- Vending machine telemetry and remote monitoring
- Vending machine software
- Vending machine dimensions
- How much do vending machines weigh?
- Refrigerated vending machines: food-safety temperatures and R290 vs R134a
- Vending machine power, voltage and market compliance
Talk to us about power and energy use
Send the site’s supply, whether the machine is ambient or refrigerated, what it will sell and where it will stand. We will confirm the configuration and put its rated draw on the spec sheet with the quotation.
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