Backup Power Explained • All Guides

Find the Right Generator Setup for Your Home

Avoid wasted money, size it right, connect it safely, and compare the equipment that actually fits your home. Use the search box to filter instantly or follow the path below.

1
Start Here Learn the basics and avoid common sizing mistakes before you buy.
2
Size Your Load Figure out what you actually need to run during an outage.
3
Choose a System Portable, standby, battery, or hybrid — match the system to your house.
4
Connect Safely Use an interlock or transfer switch the right way and avoid backfeeding.
5
Compare Gear See recommended setups, pricing, and buyer guides.
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🚦 Start Here

If you’re new, start with the big picture and core terms before shopping, wiring, or comparing equipment.

🧯 Safety & Codes

The non-negotiables: backfeed prevention, safe connections, code-aware planning, and homeowner limits.

⛽ Generators & Sizing

Pick the right size without overspending. Compare runtimes, budgets, whole-house options, and real-world appliance limits the right way.

Starting Watts vs Running Watts

Learn why generators overload when appliances start, and how surge watts differ from running watts.

New
What Size Generator for Central Air Conditioning?

A practical guide to sizing a generator for central AC, including startup surge and soft starter considerations.

Sizing
What Size Generator for a Well Pump?

Understand well pump wattage, startup surge, 240V needs, and generator sizing for homes on well water.

Sizing
How to Connect a Portable Generator to Your House

A step-by-step guide to safe portable generator connection, including inlet boxes, interlocks, and backfeed prevention.

🔥 Popular
What Will a Generator Actually Run in Your Home?

A real appliance breakdown with watt charts so homeowners can see what a generator can realistically power.

Appliances
Can a Portable Generator Run a Furnace?

Find out if your generator can handle a gas or electric furnace, including wattage, setup, and real-world limitations.

Heating
What Size Generator Do I Need for a 2,000 Sq Ft House?

A practical sizing guide for a 2,000-square-foot home, with realistic backup power expectations and load planning.

Sizing
Portable Generator vs Whole House Generator

Compare cost, convenience, flexibility, and real use cases to decide which backup option fits your home best.

Compare
How to Size a Generator for Your Home

Load-based sizing with realistic appliance wattage and surge planning.

⭐ Recommended
Generator Fuel Runtime (Gas/Propane/Diesel)

Estimate hours of runtime based on real load and fuel type.

Runtime
Transfer Switch vs Interlock

Which is safer, easier, and more realistic for your setup.

Compare
Best Portable Generators

Top portable picks across different sizes, use cases, and budget levels.

Buyer Guide
Best Generators Under $1,000

Affordable generator options that still make sense for real outage use.

Budget
Whole House Generator Cost (2026)

Standby generator pricing, install costs, and what drives the real total.

Cost

💰 Recommended Gear & Setups

This is where homeowners usually decide what to actually buy: best portable options, budget-friendly choices, and the connection gear that makes the setup work.

🔧 Troubleshooting

Step-by-step diagnosis for common generator and backup power problems.

🧮 Tools & Calculators

Fast answers for load sizing, battery expectations, solar recharge, and connection planning.

🔌 Connections: Interlocks & Transfer Switches

Deep dives on safe panel connections, interlock compatibility, and transfer switch wiring.

👉 Not sure what panel you have? Start here first.

Generator Inlet Box Installation

A step-by-step guide to inlet box placement, wiring flow, panel connection methods, and safe setup planning.

Guide
Generator Inlet Box Installation Cost & Quotes

See what affects inlet box installation cost and when it makes sense to get an electrician quote.

Quotes
Extension Cord vs Interlock vs Transfer Switch

Compare the three common ways homeowners connect backup power and what each setup is actually good for.

Compare
Can My Panel Use an Interlock?

Learn what determines whether your electrical panel can use an interlock kit safely and legally.

Panel Guide
Siemens Interlock Kit Compatibility Guide

Check Siemens panel compatibility before buying an interlock kit or planning a generator inlet setup.

Panel Guide
Square D Interlock Kits: Find the Right One

A broader Square D guide for identifying the right interlock kit based on panel type and layout.

Panel Guide
What Panel Do I Have? Find the Right Interlock Kit

Identify your panel brand and layout so you can match the correct interlock kit before you buy.

⭐ Start Here
Eaton BR vs CH Interlock Kits

BR and CH panels look similar, but their interlock kits are not interchangeable. Learn how to identify your panel and avoid the wrong kit.

🔥 New
Square D Homeline Interlock Kit

Avoid buying the wrong Square D kit. Learn what fits Homeline panels, how to identify yours, and what actually works.

Panel Guide
How to Choose the Right Transfer Switch or Interlock

Compare flexibility, cost, circuit control, and installation reality before choosing your connection method.

Compare

🔋 Batteries & Solar

Battery runtime, solar recharge expectations, inverter sizing, and realistic off-grid backup limits.

📊 Data & Reports

Useful reference pages, price breakdowns, and data-backed planning guides for homeowners comparing options.

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