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Smart Comparison to Decide Which Portable Generator Is Worth Your Investment. See how the Yamaha EF2200iS measures up with 140 key specs & features. Start with running wattage, starting wattage, fuel tank capacity & noise level and go deep into what makes this tool tick.
Delivers Standard Power Factor Indicates the efficiency of power delivery from the generator to connected loads, expressed as a qualitative performance level rather than a numeric ratio.
Runtime Performance: Long Describes the generator’s overall operating duration on a full fuel tank across typical load conditions, expressed as a qualitative runtime level.
Eco Mode Available Automatically adjusts engine speed based on power demand to improve fuel efficiency, reduce noise, and extend runtime during low-load operation. with a difference of 49.0 points
Vibration Is Well Controlled Reduces vibration transferred to the frame and ground. with a difference of 40.0 points
Coating Type: Anti-Corrosion Coating Describes the type of surface coating applied to protect the generator from corrosion, wear, and environmental exposure.
IP Rating: IP23 Indicates the level of protection against solid objects and water ingress based on international IP standards.
Cold Weather Resistance: Light Indicates the generator’s ability to operate reliably in cold climates, including exposure to low temperatures, snow, or ice conditions.
Suitable for Long-Term Storage Indicates whether the generator is suitable for extended storage. with a difference of 41.0 points
A fast snapshot of the Yamaha EF2200iS, covering its standout specification and what you can expect right out of the box.
Yamaha EF2200iS
The Yamaha EF2200iS is a portable inverter generator offering quiet performance and reliable power delivery. It features smart throttle technology for improved fuel efficiency and reduced noise levels. Compact and easy to transport, it is well-suited for outdoor activities and backup needs.
Quick Specs Breakdown
The key specs that actually matter—no fluff, no guesswork
Here’s a streamlined view of the Yamaha EF2200iS key specifications. Compare critical features at a glance before exploring the full specs and hands-on insights below.
Power & Electrical Output
Running Wattage
What is the running wattage?
1800 Watt
Starting Wattage
What is the starting wattage?
2200 Watt
Voltage Output
What voltage does it output?
230 Volt
Engine & Fuel System
Fuel Tank Capacity
How large is the fuel tank?
1.24 gal
Runtime Performance
How is the runtime performance?
Long
Noise & Emissions
Noise Level
What is the noise level of the generator?
65 dB
Dimensions & Weight
Weight
How much does the generator weigh?
55.2 lbs
Performance & Efficiency
Maximum Continuous Operation Time
How long can it run continuously?
10.5 hours
Accessories & Packaging
Quick Start Guide
Is there a quick start guide?
Yes
General Information
Product Type
What type of generator is this?
Inverter Generator
Portability Type
How portable is the generator?
Portable
Certification Standards
What certifications does it have?
EPA,CARB
Maintenance & Service
Maintenance Record
Can maintenance be recorded?
No
Specifications & Facts 140
Specs measured. Drama avoided.
Not just numbers on a box. We looked at how the Yamaha EF2200iS actually performs with specs like running wattage, starting wattage, fuel tank capacity & noise level and others that users rely on daily.
When it comes to Total Harmonic Distortion (THD), Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 5.5 % measurement.
Don’t keep it to yourself — be the first to react and review the Total Harmonic Distortion (THD) on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Number of Power Outlets
How many outlets are available?
38 Yamaha EF2200iS 0 Votes 3
26 Generators in this range 4
Yamaha EF2200iS
Provides 3 power outlets for connecting multiple devices simultaneously.
This supports running a mix of small appliances and electronics without an external power strip.
Counts the total available electrical outlets on the generator.
When it comes to Number of Power Outlets, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 12 score measurement.
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Yamaha EF2200iS Outlet Types
What outlet types are included?
21 Yamaha EF2200iS 0 Votes 120V, 12V
15 Generators in this range 120V, 12V
Yamaha EF2200iS
Provides both 120V AC outlets and a 12V DC outlet for battery charging or DC accessories.
Having both outlet types increases versatility for a range of devices and charging needs.
Describes the types of electrical outlets supported.
When it comes to Outlet Types, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 6 score measurement.
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Yamaha EF2200iS Parallel Capability
Can it run in parallel?
Yes 0Votes Yamaha EF2200iS
Yes Generators in this range
Yamaha EF2200iS
Supports parallel operation, allowing connection to a compatible unit to increase total available power.
Parallel capability is useful when you need additional capacity while retaining portability.
Allows multiple generators to be connected together for more power.
When it comes to Parallel Capability, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 49 score measurement.
Don’t keep it to yourself — be the first to react and review the Parallel Capability on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS DC Output
Does it support DC output?
Yes 0Votes Yamaha EF2200iS
Yes Generators in this range
Indicates whether the generator provides DC power output.
When it comes to DC Output, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 45 score measurement.
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Yamaha EF2200iS USB Output
Are USB outputs included?
No 0Votes Yamaha EF2200iS
Yes Generators in this range
Shows if USB ports are available for small devices.
When it comes to USB Output, Yamaha EF2200iS ◉ is worse than generator in this range ◉ .
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Yamaha EF2200iS Automatic Voltage Regulation
Does it regulate voltage automatically?
Yes 0Votes Yamaha EF2200iS
Yes Generators in this range
Maintains consistent voltage under varying loads.
When it comes to Automatic Voltage Regulation, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 42 score measurement.
Don’t keep it to yourself — be the first to react and review the Automatic Voltage Regulation on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Power Factor
What is the power factor level?
33 Yamaha EF2200iS 0 Votes Standard
19 Generators in this range Standard
Indicates the efficiency of power delivery from the generator to connected loads, expressed as a qualitative performance level rather than a numeric ratio.
When it comes to Power Factor, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 14 score measurement.
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Yamaha EF2200iS Continuous Load Capacity
What continuous load can it handle?
80 % 0Votes
82.79 % (Average)
The percentage of load the generator can handle continuously.
When it comes to Continuous Load Capacity, Yamaha EF2200iS ◉ is worse than generator in this range ◉ , delivering equal 2.8 % measurement.
Don’t keep it to yourself — be the first to react and review the Continuous Load Capacity on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Surge Handling Capability
How much surge can it handle?
2,200 Watt 0Votes
4,797.2 Watt (Average)
Describes how well the generator manages sudden power surges.
When it comes to Surge Handling Capability, Yamaha EF2200iS ◉ is worse than generator in this range ◉ , delivering equal 2,597.2 Watt measurement.
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Yamaha EF2200iS Power Stability Rating
How stable is the power output?
93 Yamaha EF2200iS 0 Votes Ultra-Stable
35 Generators in this range Ultra-Stable
Qualitative assessment of output consistency.
When it comes to Power Stability Rating, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 58 score measurement.
Don’t keep it to yourself — be the first to react and review the Power Stability Rating on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Inverter Technology
Does it use inverter technology?
Yes 0Votes Yamaha EF2200iS
Yes Generators in this range
Indicates whether inverter-based power generation is used.
When it comes to Inverter Technology, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 49 score measurement.
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Maximum continuous operation time is 10.5 hours under rated conditions.
Long continuous runtime is useful for extended outings or prolonged backup during outages.
Longest duration the generator can run continuously.
When it comes to Maximum Continuous Operation Time, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 0.5 hours measurement.
Don’t keep it to yourself — be the first to react and review the Maximum Continuous Operation Time on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Load Response Time
How fast does it respond to load changes?
0.5 sec 0Votes
0.96 sec (Average)
Yamaha EF2200iS
A load response time of 0.5 sec indicates the generator restores stable output very quickly after a load change.
This responsiveness is beneficial when powering sensitive electronics or appliances with rapid load variations.
Time taken to stabilize output when load changes suddenly.
When it comes to Load Response Time, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 0.5 sec measurement.
Don’t keep it to yourself — be the first to react and review the Load Response Time on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Eco Mode
Does the generator have eco mode?
Yes 0Votes Yamaha EF2200iS
Yes Generators in this range
Yamaha EF2200iS
Features an eco mode that adjusts engine speed to match load, improving fuel economy and reducing noise.
Eco mode is especially beneficial during light-load conditions to extend runtime.
Automatically adjusts engine speed based on power demand to improve fuel efficiency, reduce noise, and extend runtime during low-load operation.
When it comes to Eco Mode, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 49 score measurement.
Don’t keep it to yourself — be the first to react and review the Eco Mode on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Thermal Efficiency
What is the thermal efficiency?
30 % 0Votes
29.97 % (Average)
Yamaha EF2200iS
Thermal efficiency is 30%, a typical value for small gasoline engines converting fuel energy to mechanical power.
This figure helps set expectations for fuel usage relative to energy output.
Indicates how well heat energy is converted into mechanical power.
When it comes to Thermal Efficiency, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 0.0 % measurement.
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Yamaha EF2200iS Fuel Efficiency Rating
How fuel-efficient is the generator?
93 Yamaha EF2200iS 0 Votes High
36 Generators in this range High
Overall assessment of how efficiently fuel is converted into power.
When it comes to Fuel Efficiency Rating, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 57 score measurement.
Don’t keep it to yourself — be the first to react and review the Fuel Efficiency Rating on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Voltage Stability Under Load
How stable is voltage under load?
93 Yamaha EF2200iS 0 Votes Excellent
42 Generators in this range Excellent
Indicates how well voltage remains steady under varying loads.
When it comes to Voltage Stability Under Load, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 51 score measurement.
Don’t keep it to yourself — be the first to react and review the Voltage Stability Under Load on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Frequency Stability
How stable is the frequency output?
93 Yamaha EF2200iS 0 Votes Precision
39 Generators in this range Precision
Measures consistency of output frequency during operation.
When it comes to Frequency Stability, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 54 score measurement.
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Yamaha EF2200iS Power to Weight Ratio
What is the power-to-weight ratio?
38.6 Watt 0Votes
60.18 Watt (Average)
Compares power output relative to generator weight.
When it comes to Power to Weight Ratio, Yamaha EF2200iS ◉ is worse than generator in this range ◉ , delivering equal 21.6 Watt measurement.
Don’t keep it to yourself — be the first to react and review the Power to Weight Ratio on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Energy Conversion Type
What energy conversion type is used?
93 Yamaha EF2200iS 0 Votes Electromechanical
49 Generators in this range Electromechanical
Describes how energy is converted into electricity.
When it comes to Energy Conversion Type, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 44 score measurement.
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Yamaha EF2200iS Overload Recovery Time
How quickly does it recover from overload?
2 sec 0Votes
2.85 sec (Average)
Time required to recover normal output after overload.
When it comes to Overload Recovery Time, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 0.8 sec measurement.
Don’t keep it to yourself — be the first to react and review the Overload Recovery Time on Yamaha EF2200iS ◉ and help others decide!
Yamaha EF2200iS Start Reliability Rating
How reliable is starting?
93 Yamaha EF2200iS 0 Votes Excellent
43 Generators in this range Excellent
Likelihood of successful starts under normal conditions.
When it comes to Start Reliability Rating, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 50 score measurement.
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Yamaha EF2200iS Cold Start Performance
How does it perform in cold starts?
13 Yamaha EF2200iS 0 Votes Standard
12 Generators in this range Standard
Indicates ease of starting in low temperatures.
When it comes to Cold Start Performance, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 1 score measurement.
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Yamaha EF2200iS Altitude Performance Rating
How does it perform at altitude?
33 Yamaha EF2200iS 0 Votes Mid Altitude
6 Generators in this range Sea Level
Describes performance effectiveness at higher elevations.
When it comes to Altitude Performance Rating, Yamaha EF2200iS ◉ is better than generator in this range ◉ , delivering higher 27 score measurement.
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