Portable generator on a dry concrete pad in a backyard, well away from a house with lit windows at dusk

Keep your home ready for the next outage.

Start with the essentials: what you need to power, how to connect it and how to run it safely. Generator Den explains home backup power clearly, researches specific models carefully and is honest about where DIY work should stop.

Start Here
Whole-house surge protector mounted beside a home's main breaker panel and generator transfer switch in a garage
Latest Article

Generator Surge Protection: Which Type You Need and Where It Goes

Generator surge protection explained: how a surge protector works, Type 1 vs 2 vs 3, where it mounts with a transfer switch, the code rule and real prices.

Plan your backup power

Five starting points for a home that is better prepared.

Latest guides

Whole-house surge protector mounted beside a home's main breaker panel and generator transfer switch in a garage
Installation

Generator Surge Protection: Which Type You Need and Where It Goes

Generator surge protection explained: how a surge protector works, Type 1 vs 2 vs 3, where it mounts with a transfer switch, the code rule and real prices.

Matthew Collins•Nov 7, 2026•4 min read
Home standby generator on a concrete pad beside a brick house wall
Installation

Generator Installation Requirements: What Your Home Needs First

The six rules a standby generator must meet: clearances, a level pad, fuel supply, transfer switch, permits and HOA approval, and the right installer.

Matthew Collins•Nov 6, 2026•6 min read
Two similar portable generators side by side on a driveway, the kind sold in EPA and CARB versions
Maintenance

EPA vs CARB Generator: What Changes and Which Version to Buy

EPA vs CARB generator compared: what each certification means, the extra emissions parts on CARB models, where each is legal and which version to buy.

Matthew Collins•Nov 5, 2026•16 min read
Portable generator in a side yard with its cord plugged into a power inlet box on the house siding
Installation

Generator Transfer Switch Installation: 8 Steps From Plan to Test

How a generator transfer switch installation works in 8 steps: sizing, picking a switch, permits, panel wiring, the outdoor inlet and a safe first test.

Matthew Collins•Nov 3, 2026•13 min read
Portable generator running on a wet driveway away from a house at dusk, with an orange cord running toward the house
Maintenance

How Does a Portable Generator Work? From Fuel Tank to Outlet

A plain-English walk through a portable generator: how the engine, alternator, voltage regulator and outlets turn fuel into usable power at home.

Matthew Collins•Nov 2, 2026•11 min read
Portable generator on a lawn between two braced plywood panels, an orange extension cord running across the grass
Maintenance

How to Make a Generator Quieter: 7 Steps, Free Fixes First

How to make a generator quieter in 7 steps: find the noise, add distance, soften the ground, aim the exhaust, block the sound, then upgrade the muffler.

Matthew Collins•Oct 31, 2026•8 min read
Weathered home standby generator on a concrete pad beside a brick house, with a portable generator on the driveway
Maintenance

How Long Do Generators Last? Lifespan by Type in Hours and Years

How long do generators last? See lifespan estimates for portable, standby and battery generators, how to turn hours into years and when to replace one.

Matthew Collins•Oct 30, 2026•13 min read
Illustration of an enclosed generator beside professional load bank equipment in an open service area
Maintenance

Generator Load Bank Test: How to Plan and Read the Results

Arrange a professional generator load bank test, understand its scope and check the written report before relying on your home backup system.

Daniel Whitfield•Oct 29, 2026•10 min read
Portable generator in a garage with motor oil, a spark plug and a dated maintenance log on a clipboard
Maintenance

Generator Maintenance Checklist: 10 Tasks From Every Start to Yearly

A generator maintenance checklist of 10 tasks, from the oil check before every start to a yearly pro service, with a printable schedule table and a how-to link for each job.

Matthew Collins•Oct 23, 2026•9 min read
A homeowner's gloved hands checking the starting battery of a portable generator in a tidy garage
Maintenance

How to Maintain a Generator Battery So It Starts When You Need It

A step-by-step routine for inspecting, cleaning, testing and charging the starting battery in a portable or standby generator, plus when to replace it.

Daniel Whitfield•Oct 16, 2026•11 min read
Portable generator on a garage floor with motor oil bottles and a funnel beside its oil fill cap
Maintenance

Best Oil for Generator Engines: How to Pick the Right Grade

Find the best oil for your generator: how to read SAE grades and API letters, when synthetic pays off, which grade fits your weather and how often to change it.

Matthew Collins•Oct 15, 2026•15 min read
Portable generator next to two sealed, date-labeled fuel cans on a garage apron
Maintenance

Generator Fuel Storage: How to Keep Fuel Safe, Fresh and Ready

Learn how to store generator fuel the right way: which containers to use, where cans can sit, how to keep gas fresh and how much to keep for an outage.

Matthew Collins•Oct 14, 2026•4 min read
Portable generator on a garage workbench with its cover removed beside a socket set, spark plug and rag
Maintenance

Generator Repair: Which Problems to Fix and Which to Hand Off

Match your generator's symptom to its fuel, ignition, engine or electrical system, then decide which repairs suit an owner and which need a technician.

Matthew Collins•Oct 5, 2026•6 min read