Victor from Wall, NJ has been a Green Sun Energy Services client since September of 2019. The machine is a Generac 7038-1 rated 20 kW on propane and 18 kW on natural gas, running on natural gas, on a 150-amp transfer switch, and it was commissioned in December of 2019. The house is about 2,950 square feet. Green Sun has serviced it every year since – December of 2020, December of 2021, November of 2022, December of 2023, December of 2024 and December of 2025 – and it reports to remote monitoring in between. Six visits, all in the same two months of the year, which is what a maintenance schedule looks like when it is actually kept.
Project Facts
- Location
- Wall, NJ
- Services
- Standby Generator Installation, Standby Generator Service
- Client since
- September 2019
- Manufacturer
- Generac Model # 7038-1
- Rated output
- 20 kW LP / 18 kW NG
- Fuel
- Natural Gas
- Electrical service
- 150 amp
- Transfer switch
- 150 amp
- Load management
- Managed Whole House
Standby generator questions from Wall homeowners
Does a generator keep the well running during an outage in Wall?
Yes, when the well pump is included in the design. A private well pump is electric, so without power there is no running water at all -- a different order of problem from losing the lights. Homes on a well are among the clearest cases for standby power, and the pump belongs on the load list from the start.
How can a whole house be carried on a smaller electrical service?
Through load management. One or more large loads are controlled so they do not start at the same moment, or shut down briefly if generator demand climbs too high. That is what allows whole-house coverage where the raw sum of every connected load would otherwise exceed the machine.
How is the gas pipe size worked out?
From the generator's demand, the available pressure, the pipe length, the allowable pressure drop, the fittings, the pipe material and every other appliance connected to the system. The adopted fuel-gas code carries the sizing requirements and tables, and the model's published fuel consumption goes into the calculation.