Answer first
Size from a load list and starting watts — not from square footage myths.
01
Definition
What is this?
Generator sizing matches continuous and starting loads to available generator output and transfer design.
02
When to use
When does this apply?
Size before purchase when adding standby to a Danville-area home, especially with well pumps or HVAC compressors.
03
Failure modes
What goes wrong?
Counting running watts only. Ignoring soft-start options. Oversizing for bragging rights and paying forever in fuel.
04
Proof
Why trust this guidance?
Hurst sizes standby systems from real circuit walkthroughs in Boyle County homes — well, sump, heat, and fridge on the load list — not square-footage myths. Free on-site consults write that list before equipment is sold.
05
Action
What should you do next?
Schedule a load walk. Bring wish-list circuits and we will map managed vs whole-home options.
Glossary
Key terms for this guide — full definitions live in the Hurst plumbing & electrical glossary.
Questions homeowners ask
FAQ
Do I need whole-home?
Only if you want everything. Managed loads often cover what matters in ice season.
HVAC starting watts?
Compressors spike — soft starts and load management help.
Future EV charger?
Say so now so service and generator plans do not collide later.
Author & reviewer
Hurst Electric & Plumbing
Reviewed by Hurst Electric & Plumbing
Company-level review by the licensed Hurst plumbing and electrical team in Danville, KY — a dual-trade shop. Guidance reflects how we diagnose on-site, explain scope in writing, and close out under the Hurst standard. Last updated .