How to Install a Whole House Generator: Step-by-Step Guide (2026)
A step-by-step look at how professional standby generator installation really works, from site survey to final inspection.
Permits, code requirements, transfer switches, and what to expect from a professional installation.
A step-by-step look at how professional standby generator installation really works, from site survey to final inspection.
Almost every standby generator installation requires an electrical permit, and often a mechanical or gas permit too — here is what that actually involves.
An outdated, undersized, or non-compliant electrical panel can add cost and time to a generator project — here is when an upgrade is actually required.
A thorough generator installation follows a predictable sequence of steps — use this checklist to confirm your electrician isn't skipping any of them.
Most HOAs cannot ban standby generators outright, but they can and do regulate placement, screening, and noise — here is how to navigate that approval process.
Generator placement is governed by manufacturer clearance specs and local setback codes designed to prevent carbon monoxide and fire hazards.
The physical install often takes just a day or two, but permits, equipment lead times, and inspections usually stretch the full timeline to weeks or months.
You can hire a licensed electrician directly, use a full-service generator dealer, or go through a general contractor — each path has different tradeoffs.
Natural gas offers unlimited runtime if you have a service line, while propane works anywhere but needs a tank and periodic refills — here is how to choose.
Generator noise is regulated by a patchwork of local ordinances covering decibel limits, time-of-day restrictions, and property line distances.