Standby generator installation in Armonk

How a standby system works

The system has three main parts: the generator on its pad, the fuel supply, and an automatic transfer switch next to your electrical panel. The transfer switch watches the utility power. When it disappears, the switch starts the generator, waits for it to run steadily, then moves your circuits from the grid to the generator. When utility power comes back and holds, the switch moves you back and the generator cools down and stops.

Most standby generators also run a short self-test on a schedule, often weekly, so you know it will start when it is needed. Many models can send status alerts to your phone.

What the installer looks at in Armonk

Armonk houses are often set back on larger, wooded lots. That gives the installer more choices for where the unit goes, but it also means longer runs of gas pipe and electrical wire back to the house. During the site visit, expect them to check:

• Your electrical panel, its amp rating and whether there is room for the transfer switch
• Your fuel, either the gas meter and its capacity or a spot for a propane tank
• Placement, including the manufacturer's clearances from windows, doors and vents, and any town setback rules
• Ground conditions, such as slope or rock, that affect the pad
• What you want to run, which sets the generator size

Choosing a size

Size depends on the loads you want covered. An essential-circuit setup covers the furnace or boiler, well pump, sump pump, fridge, some outlets and lights. A whole-house setup adds central air, cooking and everything else. Fuel matters too: manufacturers rate the same unit lower on natural gas than on propane. A load calculation turns your list into a number, and a good installer will walk you through it. For more on covering every circuit, see whole-home generators.

Permits, inspection and timeline

In Armonk, North White Plains and Banksville, permits go through the Town of North Castle. The installer should file them, coordinate any gas meter work with the utility and schedule the inspection. Plan on several weeks from signing to a running system, mostly for permits and equipment, even though the on-site work is shorter.

Comparing quotes

A useful quote lists the generator brand and model, its rated output on your fuel, the transfer switch size, the pad, the gas or propane work, the electrical work, permit fees and who handles the inspection. Ask about the warranty and who registers it. Before you sign, check that the contractor holds a Westchester County home improvement license and carries insurance. A low price that leaves out the gas work is not really low.

Questions homeowners ask