Standby generator installation for New York houses

Most apartments can't host a generator, but plenty of houses can. If you have a yard, a side setback or a driveway, and a gas service or room for propane, a standby unit is practical.

The generator is only half the job. The transfer switch decides what it powers and keeps it from backfeeding the grid, and it's where most of the electrical design sits. A portable generator with a proper inlet and interlock is the lower-cost alternative.

An automatic transfer switch senses the outage, signals the generator to start, and moves the load from the grid to the generator in seconds. When utility power returns it switches back and lets the generator cool down. Whole-house switches need a generator big enough for everything; load-managed switches shed big loads like the dryer or the AC so a smaller unit can carry the house. We size the switch and the generator together from your load calculation, not from the brochure. Undersized systems stall on a compressor start; oversized ones waste money.

If a permanent unit isn't practical, a portable generator can still power the panel safely. We install a weatherproof inlet outside and a listed interlock kit on the panel, so the main must be off before the generator breaker can be turned on. That arrangement makes backfeeding the street impossible, which protects the utility crews working on the line. You choose which circuits to run by switching breakers, and the generator never has to come inside or near a window, where exhaust can reach the house.

A standby unit needs fuel, a level pad and clearances from windows, doors and property lines. We coordinate the pad location with you, run the electrical from the transfer switch to the unit, and work alongside the licensed plumber who handles the gas connection under a separate filing. On propane jobs, the tank size and location are set with the supplier. We schedule the trades so the unit can be started and tested the day everything is connected, with you there to see the transfer happen.

Generators fail when they're needed most if they sit untested. An annual visit checks the battery, oil, filters and spark plugs, runs the unit under load through the transfer switch, and confirms the exercise cycle is set. We also look at the switch contacts and the connections in the panel for heat. It's a short visit, and it's the difference between a generator that starts at 2 a.m. in a storm and one that doesn't. We log each visit so the next one starts where the last left off.