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    Five Star Power Systems technician installing Generac home standby generator behind text title "Certified Generator Installations"
  • Load Calculations
  • Installation Site
  • Transfer Switch
  • Fuel and Utilities
  • Setting The Unit
  • Permits/Inspections
  • Generator Startup
  • Operational Guidance
  • We start by determining what household items the generator should run in the case of a power outage. Powering an entire home and everything in it will take more wattage than powering only certain necessary appliances, pumps, and heaters. We will then add the wattage of everything that needs to be powered to reach a total wattage. The total wattage output is not nearly as simple as it may seem. Appliances like air conditioners, refrigerators, and sump pumps draw more momentary wattage when they are cycling on. Those surge watts need to be accounted for in order to know exactly how much wattage hardwired appliances require. Our team of electricians will pin down the exact figure and compute a precise total wattage. Home standby generators can handle an electrical load up to 20,000 watts (20kW). The Cummins RS20A is one such example of a 20kW unit. Any home that operates with a lower wattage output can be powered entirely by the RS20A or another 20kW generator, like the Generac 70391 Guardian. A home that operates on significantly less power, say 11,000 watts for example, can be handled by a standby generator like the Cummins RS13A, which has a 13,000 watt (13kW) capacity. Back to List

  • When installing a Cummins or Generac home generator unit, we ensure that the installation is both properly configured and aesthetically pleasing. The first, and most important, thing we check is local codes and clearance requirements, which vary from county to county in Maryland. All home standby generators must be situated certain distances from a home and surrounding objects. We follow established guidelines to prevent operational issues and alleviate possible safety concerns. The location of the generator should provide ample space between the generator and any openings into a home, like windows, doorways, and vents. The location we choose will keep the carbon monoxide emitted from a running generator from accumulating within the home. Situating the front, sides, and top of a generator closer than three feet from another object, surface, or structure can impede air flow, which in turn can cause a unit to overheat. The back of the generator can be as close as 18 inches from a home. We adhere to these distance guidelines to ensure the generator stays cool and operates at optimal performance. Back to List

  • We proceed by installing an electrical sub-panel and transfer switch adjacent to the home's main electrical panel. The transfer switch takes all critical circuitry from your home’s main panel and redirects it to the sub-panel when utility power is lost. In other words, the transfer switch allows your home generator to kick on automatically when you lose power. Back to List

  • Often, it is necessary to affix a new regulator and high-pressure gas meter to your home. This feeds the generator an adequate gas pressure for optimal startup and operation. New natural gas lines and tracing wire will be run from the generator to the gas meter where the gas line will be connected. After the gas line is connected to the gas meter, an electrical cable will be pulled from the generator to the house. The gas and electrical connections will then be made to the rear of the generator. Back to List

  • Once a location is chosen that suits appropriate utilities and local codes, a prefabricated generator pad will be placed. We layout out an area on the ground to fit the size of the generator pad. Light excavation and site levelling ensures proper attachment for quiet operations. We then set the prefabricated concrete pad for a strong foundation and tight attachments. Finally, the generator is set evenly and bolted securely to the pad. Back to List

  • Every county and local ordinance in Maryland has specific requirements and necessary inspections before a generator can be started and operated. Five Star Power Systems has installed generators in Maryland for over 30 years. Additionally, our professionals participate in continued education and certification courses in order to remain as familiar as possible to Maryland regulations and industry standards. Back to List

  • After your generator is installed, inspected, and cleared to run, Five Star Power Systems performs proper system start up. Unfortunately, initial start ups are more than just flipping an “On” switch. Generator start ups vary slightly between manufacturers and models, but generally require a specific procedures. Our technicians and electricians are factory trained and certified to ensure that your system is started properly. Back to List

  • You, the customer, are first and foremost. We want you to have as thorough of an understanding of your generator system as possible. Five Star Power Systems walks it’s customers through the entire process so that you’re informed and in control of decisions. Back to List

Now that you know more about our installation process and how we can assist you with your generator installation, feel free to visit our Monitoring and Preventative Maintenance pages to see how we can ensure your generator remains working for you, even after the installation has been completed.

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