10 Things to Consider When Purchasing an Automatic ...

So, you&#;ve made the decision to purchase a standby generator for your business. Whether the generator is simply needed to keep your business up and running during a power outage, or code-required for life safety, it&#;s an important decision and many factors go into this purchase beyond the obvious questions of brand preference and price. The number of choices that await a buyer can make it a complicated process if the expectations are unknown. Here are ten questions to consider when you&#;re in the market for an emergency standby system for your business or facility.

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1. What are your power requirements?  Your power needs can certainly tie back to your available budget, however, the primary determining factor for generator sizing can be answered with the following question: In the event of a power outage, should the generator run the entire building or just emergency loads? When sizing a generator for an entire building, factors like peak demands during summer months and the amperage of your electrical service are relevant details. When sizing for emergency loads only, the emergency circuits need to be determined. For an existing structure, this may require the electrician to split the emergency circuits from your main electrical panel into a separate emergency panel. For a light commercial application, the decision is typically owner preference. For a critical application such as a healthcare facility, certain loads may be required to have emergency back-up in order to meet code compliance.
2. Which fuel type?  The most common fuel types for emergency standby systems are natural gas, propane, and diesel. While gasoline may seem convenient, it&#;s typically viewed as a poor fuel choice for standby systems due to its relatively short life of stability. Cost can be a factor when choosing between a diesel or natural gas generator (or propane) since the cost difference can vary depending on the size of the generator. The availability of the fuel source is another important factor. Diesel and propane provide an &#;on-site&#; fuel source but may require a re-fill during an extended power outage, where natural gas is pulled from the local utility. Local code requirements may dictate which fuel types are available to your area; for example propane may not be an option within city limits in some regions. In addition, the type of facility can sometimes dictate if an on-site fuel source is required.
3. Who will install the equipment?  The general answer is a licensed electrician and may also require a licensed plumber, but the choice is most often up to the buyer. The key is to choose a reputable company with a history of installing standby generator systems. Some buyers may have a company in mind when deciding to purchase a generator while others may benefit from a referral. If the choice is unclear, one of our representatives would be happy to provide recommendations.
4. Where will the generator be located?  The generator set should be located where it&#;s readily accessible for maintenance and repair, and high enough to keep rising water from reaching the generator. For outdoor and rooftop installations, comply with code requirements for minimum distance from combustible walls and building openings. For indoor installations, adhere to requirements for fuel supply, ventilation, exhaust ducting, and proximity to combustible materials. Typically the generator should be located as close as possible to the transfer switch and fuel supply.
5. If outdoors, which enclosure type?  A follow-up question:  Is there a local noise ordinance? Some areas require the sound level of the standby system to be within a specific decibel rating at the nearest property line. If a specific sound requirement exists, the target sound level will determine the type of generator enclosure. Many residential or light commercial generators come standard with a sound attenuated enclosure while industrial grade generators may offer several enclosure types ranging from a standard weather enclosure to a custom package to meet strict requirements.
6. What is the voltage requirement?   Common low voltages for the U.S. are: 120/240 volts single phase, 120/208 volts three phase, 120/240 volts three phase, and 277/480 volts three phase. If you are unsure, your electrician can provide this information.
7. Which type of transfer switch?  Transfer switches for emergency standby systems are usually the automatically controlled type. Manual transfer switches can be supplied for certain systems if preferred, although this lack of automation usually doesn&#;t come with much of a cost savings. The size of the transfer switch (amperage rating) and installation location should be determined by your electrician and may depend on the earlier question of &#;entire building or just emergency loads?&#; If the system is sized to carry the whole building, the transfer switch may need to be service entrance rated which incorporates a utility disconnect within the transfer switch cabinet. For commercial/industrial applications, several other transfer switch features are available such as bypass isolation, closed transition, and programmed transition.
8. Any specific accessory requirements?  Accessory options will vary depending on the generator type. Residential or light commercial systems typically offer an optional remote annunciator panel which provides generator status and can be located in a preferred area indoors. Cold weather kits and remote monitoring are also available for many residential/commercial systems. For industrial systems, the number of available options is much greater, including an expanded list of communication options, enclosure lighting, alternator strip heaters, load centers, etc.
9. Warranty duration?  The standard warranty for generator systems typically ranges from one year to five years depending on the generator type. Where a commercial generator may come standard with a warranty ranging from two to five years, an industrial generator may come standard with a one or two year warranty and offer optional upgrades. It&#;s a good idea to understand the warranty duration and coverage of your standby system, and ask for upgrade costs if you prefer an increased coverage.
10. Who will maintain the equipment?  Just like your vehicle, your generator needs to be properly maintained to help ensure the equipment will start and run as expected during your next power outage. Unlike your vehicle, generators tend to be neglected for extended periods between power outages. This can result in equipment failure during that critical time when you need it. Whether you are a do-it-yourselfer or if you prefer the added insurance of a maintenance program, keeping your equipment maintained properly is highly important to ensure reliable operation.

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Clifford Power Systems, Inc. provides dependable generator equipment, service, and rental. We are solely focused on power generation and offer professional consultation to meet all your project needs. Contact us at any of our locations in Oklahoma, Texas, Missouri, Kansas, or Arkansas.

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A home generator helps you prep for an emergency. In a pinch, it can keep the lights, appliances, heating systems, air conditioning, sump pumps, WiFi, and other necessities running, saving you money by keeping your food from spoiling and basement from flooding. For people with electrically powered medical devices, it can be a lifesaver, too.

And as power outages happen more often and last longer, a generator is becoming a must-have layer of protection in places across the country. A  Associated Press study found that climate change-induced wildfires, hurricanes, and ice storms have doubled the number of U.S. power outages over the past 20 years. In , the last year for which data are available, the average electrical outage in the U.S. increased to 5½ hours from a little more than 3 hours in , according to the U.S. Energy Information Administration. Hurricanes, ice storms, and other weather events are largely to blame, as well as smaller, more localized storms that bring down trees and power lines.

But while a generator can be a lifesaver during severe weather, it can also pose dangers if you don&#;t take precautions. People tend to buy generators around major storms. Working by flashlight, they&#;re often in a rush to get the power up and running and might skip over critical safety steps while connecting a generator to appliances or the electrical panel in their homes (see below). And dozens of people die every year from carbon monoxide (CO) poisoning related to generators.

We don&#;t want you&#;or anyone else relying on a generator&#;to be one of those people. Always use a generator outside, a minimum of 20 feet from your home, with the exhaust directed away from the house. And make sure your residence is outfitted with working carbon monoxide detectors on every level before you fire up a generator.

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