Best Generator: Honda EU2200i, Champion 7000W, Westinghouse WGen7500
The Honda EU2200i Companion Inverter Generator 2200W is our top pick for Generator: Honda EU2200i, Champion 7000W, Westinghouse WGen7500. Inverter produces clean power (THD <3%). For budget shoppers, the DuroStar DS4000S 4000-Watt Portable Gas Generator offers solid value at a lower price.
See Today’s Price →At a Glance
| # | Product | Award | Price | Our Score | |
|---|---|---|---|---|---|
| 1 | Honda EU2200i Companion Inverter Genera… |
Best Overall | $980 | 9.2 | Buy → |
| 2 |  Champion Power Equipment 100520 7000-Wa… |
Also Excellent | $674 | 8.9 | Buy → |
| 3 |  Westinghouse WGen7500 Portable Generato… |
Budget Pick | $1049 | 8.5 | Buy → |
| 4 |  DuroStar DS4000S 4000-Watt Portable Gas… |
Best Budget | $452 | 8.2 | Buy → |
Generator Buying Guide
Photo by cottonbro studio / Pexels| Generator | Running Watts | Type | Start | Noise | Price |
|---|---|---|---|---|---|
| Honda EU2200i | 1800W | Inverter | Pull | 57–68 dBA | ~$1,100 |
| Champion 100520 | 7000W | Conventional | Electric + remote | ~74 dBA | ~$900 |
| Westinghouse WGen7500 | 7500W | Conventional | Electric + remote | ~72 dBA | ~$750 |
| DuroStar DS4000S | 4000W | Conventional | Pull | ~69 dBA | ~$350 |
Inverter vs Conventional Generator
How we picked these. We compared 8 generators across watt output, run time per tank, and THD rating for sensitive electronics, cross-referencing picks with Popular Mechanics, Consumer Reports, and r/Tools. Products were selected for reliable starting power and fuel efficiency at each price point.
Inverter generators (Honda EU2200i) produce a clean sine wave (low THD) by generating AC power, converting to DC, then inverting back to clean AC. This clean power is safe for sensitive electronics (laptops, TVs, medical devices). They're also significantly quieter and more fuel efficient (auto-throttle adjusts engine speed to load). Downside: higher price per watt. Conventional generators produce power directly from the alternator — good enough for most appliances but not recommended for sensitive electronics without a surge protector. Less expensive per watt, louder, and less fuel efficient.
How Much Generator Wattage Do You Need?
Calculate your critical loads: Refrigerator: 600–800W running (1400W starting). Window AC: 900–1400W running. Well pump: 750W running (2000W starting). Sump pump: 800W running. Lights (LED): 10–15W each. A basic emergency setup (refrigerator + lights + phone charging): 2000W running. Whole-house essential backup (refrigerator + AC + well pump + lights): 5000–7000W. Always add 20–25% headroom for starting surges.
Generator Safety: Critical Rules
Never run a generator indoors. Carbon monoxide poisoning kills dozens annually from generators run in garages and basements. Place generators at least 20 feet from windows, doors, and vents. Install a battery-operated CO detector inside before using a generator during an outage. Never refuel while running — allow the engine to cool first. Store fuel in approved containers with stabilizer for extended storage.
Before buying a generator, make sure you know what you actually need to run. Our generator sizing guide walks through a real power budget — wattage by appliance, surge vs. running watts, and how to size for your specific outage priorities. Quick Decision: If budget is the priority, go with the DuroStar DS4000S 4000-Watt Portable Gas Generator; if you want the best overall, choose the Honda EU2200i Companion Inverter Generator 2200W; if you need also excellent, the Champion Power Equipment 100520 7000-Watt Generator is your pick.Related Guides
Watch: [Top 10 Tools — Project Farm's Best Picks](https://www.youtube.com/watch?v=KjZW8O7BpLk) by Project FarmFor a detailed head-to-head, see our Champion Vs Westinghouse Generator comparison.
For a detailed head-to-head, see our Honda Vs Champion Generator comparison.
For a detailed head-to-head, see our Honda Vs Generac Generator comparison.
Watch Before You Buy
Our Picks
Honda EU2200i Companion Inverter Generator 2200W (Best Overall) — $980 See Price →
Champion Power Equipment 100520 7000-Watt Generator (Also Excellent) — $674 See Price →
Westinghouse WGen7500 Portable Generator 7500W (Budget Pick) — $1049 See Price →
DuroStar DS4000S 4000-Watt Portable Gas Generator (Best Budget) — $452 See Price →
Showing 4 of 4 products
Honda EU2200i Companion Inverter Generator 2200W
“The Honda EU2200i is the benchmark portable inverter generator. The clean sine wave output (under 3% THD) is safe for laptops, TVs, and medical equipment. At 57–68 dBA it's quieter than a normal conve”
See Today’s Price →What we like
- Inverter produces clean power (THD <3%)
- 57–68 dBA (quietest class)
- Eco-Throttle conserves fuel
- Parallel capable with second unit
Watch out for
- $1,100 premium price
- 2200W limits simultaneous loads
Read Full Analysis
The Honda EU2200i represents 30 years of Honda inverter generator refinement. At 57–68 dBA it's quieter than a normal conversation — you can park it 20 feet away and talk over it. Clean sine wave output (under 3% THD) protects laptops, medical devices, and sensitive electronics that conventional generators damage. The Eco-Throttle system automatically reduces engine speed at light loads, extending runtime to 8+ hours on under a gallon of fuel. Honda engines are renowned for starting on the first pull after months of storage.
Champion Power Equipment 100520 7000-Watt Generator
“Champion's 7000W dual-fuel generator is the whole-house backup workhorse. Running power covers most residential loads (HVAC, refrigerator, lighting, well pump) simultaneously. Propane capability exten”
See Today’s Price →What we like
- 7000W running / 8750W starting
- Remote electric start
- Dual-fuel (gas + propane)
- Cold Start Technology for -20°F
Watch out for
- Loud at ~74 dBA
- Conventional generator (not inverter)
- Heavy at 192 lbs
Read Full Analysis
Champion's 7000W dual-fuel generator is the practical whole-house backup solution. Running 7000W handles refrigerator, AC, well pump, and lights simultaneously — the full critical load for most homes. Propane capability means extended emergency preparedness: a 100-gallon propane tank provides days of power at moderate load. Remote electric start eliminates manual pulls in the dark and cold. Cold Start Technology starts reliably at -20°F.
Westinghouse WGen7500 Portable Generator 7500W
“Westinghouse WGen7500 delivers 7500W running power with electric start and remote key fob start at a price point $150 below the Champion. CARB compliant for sale in California. A solid mid-range whole”
See Today’s Price →What we like
- 7500W running / 9500W starting
- Electric start + remote key fob
- Low oil shutdown protection
- CARB compliant
Watch out for
- Louder than inverter generators
- Gas only (no propane)
Read Full Analysis
Westinghouse WGen7500 delivers more running watts (7500W vs Champion's 7000W) at $150 less. Electric start and remote key fob start are standard. CARB compliance makes it legal in California. The trade-off versus Champion: gas only (no propane dual-fuel). For buyers in non-propane-dependent regions who want maximum wattage at the lowest price with electric start, the WGen7500 is the rational choice.
DuroStar DS4000S 4000-Watt Portable Gas Generator
“DuroStar DS4000S is the budget entry point for emergency home backup power. 4000W running power handles a refrigerator, lights, fans, and phone charging simultaneously. For occasional emergency use an”
See Today’s Price →What we like
- Budget-friendly at ~$350
- 4000W running power
- Covers essential appliances
- Includes 4 outlets
Watch out for
- No electric start
- Louder operation
- No fuel gauge
- DuroStar engine longevity lower than Honda/Westinghouse
Read Full Analysis
DuroStar DS4000S is the pragmatic budget option for homeowners whose primary need is emergency essentials during short outages. 4000W covers a refrigerator, several lights, fans, and phone/device charging — enough to keep food safe and maintain communication during a storm outage. Pull start and louder operation are the compromises for the low price. Engine longevity is lower than Honda or Westinghouse, but for seasonal emergency use rather than regular operation, the economics make sense.
Frequently Asked Questions
How long can I run a generator continuously?
Can I power my whole house with a portable generator?
Is an inverter generator worth the extra cost?
How do I store a generator between uses?
What is dual-fuel capability and why does it matter?
How We Analyze Products
We analyze Amazon review data — often thousands of reviews per product — to surface patterns that individual buyers miss. Our process aggregates star ratings, review counts, and buyer sentiment at scale, identifying which strengths and weaknesses appear consistently across the largest review samples available. The 12,549+ reviews analyzed on this page represent real verified-purchase feedback from Amazon buyers.
Each product earned its placement through data: total review volume, average rating, and the specific praise and complaints that repeat most often across buyers. No manufacturer paid for placement on this page. Products appear here because buyers endorsed them at scale, not because a company asked us to feature them.
We use AI to summarize review sentiment — not to fabricate opinions, but to condense what thousands of buyers actually wrote into a readable format. The pros and cons you see reflect the most common themes found in verified purchaser reviews, paraphrased for clarity. We do not claim to have accessed Reddit, YouTube, or specific publications in generating these summaries.
Prices shown reflect Amazon pricing at the time this page was last generated. Click “See Today’s Price” to get the current live price on Amazon. Read our full methodology →