Marilyn from Rumson, NJ has been a Green Sun Energy Services client since September of 2019. The 22 kW Generac at the house was installed by another company in June of 2018, and the following year Marilyn moved its servicing to Green Sun. It has had a full service every year from 2020 through 2025 – spark plug and air filter, oil and filter, battery inspection, load testing and diagnostics – running on natural gas behind a 100-amp automatic transfer switch.
Project Facts
- Location
- Rumson, NJ
- Service
- Standby Generator Service
- Client since
- September 2019
- Manufacturer
- Generac Model # 70432
- Rated output
- 22 kW LP / 19.5 kW NG
- Fuel
- Natural Gas
- Transfer switch
- 100 amp
- Load management
- Whole House
Standby generator questions from Rumson homeowners
Does the transfer switch need flood protection as well as the generator?
Yes. A flood review should cover much more than the generator enclosure. FEMA recommends that a residential standby system consider elevation or protection of the generator, the transfer switch, the normal and emergency panels, the feeders and the control wiring together.
What does a whole-house generator actually mean?
Whole-house generally means the transfer equipment serves the home's main electrical system rather than a small emergency-circuit panel. It does not promise unlimited capacity. High-demand appliances may still be prioritized or briefly shed while generator capacity is being used elsewhere.
What gas pressure does a generator need?
It is model-specific and has to be read off the specification sheet rather than assumed. A current 22 kW model, for instance, specifies a minimum natural-gas pressure of 3.5 inches water column. Different models carry different requirements.