Generators Blog: Start Here to Size, Buy, Run and Fix a Generator
New to generators? Start here. Plain-English answers on sizing, types, fuel, safe hookup, upkeep and repair, with links to every generator guide we publish.
Practical buying guides, equipment reviews, maintenance advice and troubleshooting help for generators, engines, pumps, compressors and workshop equipment.

Generators
Portable, inverter, standby and diesel generators.
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Engines
Gasoline, diesel and small engines.
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Pumps
Transfer, trash, irrigation and engine-driven pumps.
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Compressors
Portable, workshop and engine-powered compressors.
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Workshop
Tools, pressure washers and shop equipment.
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Maintenance
Practical maintenance and troubleshooting.
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New to generators? Start here. Plain-English answers on sizing, types, fuel, safe hookup, upkeep and repair, with links to every generator guide we publish.
Kohler home generators explained: the current 10 to 150 kW lineup, what the Rehlko name change means, real specs, fuel use, and the best…
Generac standby generators explained: 10 to 28 kW sizes, what changed with the Next Gen line, natural gas vs propane, transfer switches and three…
Which Generac portable generator fits your home? Compare sizes, gasoline vs propane vs natural gas, run times and safe hookup, with four current picks.
The Generac 4000XL explained: real specs from the owner's manuals, outlet types, part numbers, common problems and fixes, and the best modern replacements.
Generac 5500XL specs from the owner's manual: 5,500 running watts, 6,875 surge, outlets, common problems and fixes, storage tips and modern replacements.
Kohler 20RESAL specs from the factory spec sheet: 20 kW on propane, 18 kW on natural gas, fuel use, battery, maintenance, SA2 and SA7…
Honda generators explained: EU, EM, EG and EB series, real specs for the EU2200i, EU3200i, EU3000iS and EU7000iS, the old EU2000i, and how to…
Champion generators explained: inverter, dual fuel, tri fuel and home standby models, real specs for four popular picks, and how to choose a size.
Portable generator reviews based on published specs: Honda, Champion, Generac, Westinghouse, DuroMax and Pulsar models compared, with honest pros and cons.
Portable, inverter or standby? A step-by-step way to choose a home generator: what to power, how to connect it, which fuel to use and…
Alternator vs generator explained simply: how each makes electricity, why cars switched, what is inside a portable generator, and how to test one.
Electric pressure washers are quiet, light and nearly maintenance-free. Gas models clean faster and go anywhere. How they compare and which one suits your…
Inverter generators are quieter, lighter and cleaner. Conventional generators give more watts for the money. Here is how they differ and which fits each…
Not sure what size or type you need? These tools turn a few answers into a starting point. Results are estimates for planning, not professional advice.
Practical information designed to help you choose and maintain engine-powered equipment. We compare equipment using manufacturer specifications, owner's manuals and official safety guidance, explain the trade-offs in plain language, and say clearly when something is our own editorial judgment.
We do not claim hands-on testing unless an article says so. Some links earn us a commission from Amazon; that never decides what we recommend.
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