- 12,000-watt automatic home standby generator with durable Briggs & Stratton 627cc Vanguard engine
- Runs on clean burning natural gas or liquid propane; Sound Shield Technology reduces noise
- Computer-friendly internal voltage regulator protects sensitive electronic equipment
- Rust-proof outdoor enclosure with premium automotive paint for maximum durability
- Non-CARB Compliant/Not For Sale In California
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Product Description
Amazon.com Product Review
The Briggs & Stratton EmPower 12,000-watt automatic home standby generator system is fully equipped to keep most of your home essentials running when the grid goes down. Powered by a durable Briggs & Stratton 627cc Vanguard engine, this EmPower generator offers 11,000 watts of running power and 14,500 surge watts, providing you with continuous power you'll need in an emergency.
With advanced electronics features, this EmPower generator will detect a utility power outage and automatically start the generator whether you are home or away. Because it runs on clean burning natural gas or liquid propane, you won't have to worry about the long lines at the gas station during emergencies. An AC power control module lets you run up to a four-ton central air system in addition to other essential items while protecting against overload.
 See the video on how Briggs & Stratton EmPower generators can protect your family. |
 The generator sits along the side of your house, providing you with continuous power during outages. |
Whether you are home or away, this generator will keep you up and running smoothly during a power outage. A special cold weather feature keeps the generator heated up when the temperature drops, ensuring smooth starting and efficient engine operation, no matter what the conditions are outside. To assure that your system is running at optimal performance at all times, the generator includes diagnostic alerts with low oil shutdown, engine overspeed, low voltage, low battery voltage, high oil temperature, and transfer switch fault features. A computer-friendly internal voltage regulator will keep your sensitive electronic equipment, such as computers and video devices, safe from surges. And with its rugged design features, you'll never have to worry about your outdoor weather conditions. The generator features exclusive Sound Shield Technology to keep operational noise to a minimum. The system's outdoor enclosure features engineered air passages, an automotive-style exhaust system and acoustic foam dampeners, as well as professional rust proofing and premium Storm gray automotive paint for maximum durability and all-weather protection.
For added convenience, a maintenance kit is included, which includes a special UL air filter, pre-cleaner, spark plugs, oil filter, and synthetic oil. This space saving generator measures 48-by-33-by-30.5 inches (LxWxH), weighs 442.5 pounds and is backed by a 4-year warranty. Note that this generator does not include a transfer switch. Click here to find the Briggs & Stratton service center near you.
Amazon.com Buying Guide
Five Tips for Buying Backup Power
Standby Generators: Installing a standby generator by yourself may void the unit's warranty or violate local building codes, so research these issues before you begin. The basic steps are as follows.
 | Download our worksheet (PDF) to help you determine your power requirements. |
What Types of Generators Are There?
Generators come in two basic types: standby and portable. There also are inverters, which are not generators but may meet your needs. The source of backup power you ultimately choose will be determined by many factors, including your power requirements.
 A standby generator is installed permanently outside your home or commercial building. |
 Portable generators, such as this Briggs & Stratton model, are fueled by gasoline and include 120-volt power outlets like the ones in the walls of your home. |
 View a movie about why you might want to consider installing a standby generator (requires Flash). |
Standby Generators: A standby generator is permanently installed outside your home or commercial building and wired directly into the electrical system to provide power to some or all of your home's circuits during a disruption of normal utility power. Standby generators are fueled by liquid propane or natural gas.
The number of circuits to which a standby generator can provide power--and the number of appliances you can run on those circuits--is determined by the power capacity of the generator.
Standby generators are about the same size as, and look similar to, a standard central air conditioner. A standby model may cost as little as $1,500 or as much as $15,000 or more--the greater the power capacity, the higher the cost.
Portable Generators: Portable generators are versatile. You can use them for
- emergency power at home,
- for power in remote locations where utility power is unavailable, or
- for recreational purposes, like boating or camping.
Portable generators range in cost between a few hundred dollars to several thousand dollars depending on the capacity and features.
Inverters: Inverters turn DC power into AC power, the type of current that powers everyday appliances. A common use of an inverter is to connect one into a car's cigarette lighter and then plug small home appliances into the inverter.
Inverters have added features over the years, and today many inverters include emergency radios, lights, or their own internal battery to store power.
When you purchase an inverter, you need one that can handle the wattage of the appliances you intend to connect to it. Some inverters are made specifically to power low-wattage appliances, like portable phones or digital music players. Others can handle heavy-duty power tools.
If you're buying an inverter that's powered by its own battery, you'll have to consider how many hours the inverter can provide power before needing a recharge.
The rest of this buying guide focuses solely on standby and portable generators.
How Much Power Do I Need?
There are two basic power measurements for generators: peak power (also known as startup power) and continuous power. Both are measured in wattage.
- Peak power is the wattage required for appliances at startup or when they are running at their highest levels of power consumption.
- Continuous power is the wattage required for operation of those appliances under normal load.
Standby Generators: Standby generators create from 5,000 to 25,000 watts or more of power. You'll have to choose a generator that supplies sufficient peak and continuous wattage for the appliances on the circuits you need to power.
You can choose between an air-cooled and a liquid-cooled model standby generator. Generally, liquid-cooled models are bigger and create more power.
Portable Generators: A small 1,000-watt portable generator may be all you need for recreational purposes. And you may use up to 8,000 watts if using a generator to power tools on the jobsite.
Because you plug appliances directly into a portable generator, you'll also want to make sure that your model has the number and type of outlets you need. The size of the fuel tank also is crucial. The bigger the tank, the longer your generator can run without refilling and produce power.
If you want to use a portable generator to power specific circuits in your house--or the whole house--follow the guidelines for choosing a standby generator.
What Features and Accessories Do I Need?
Aside from pure power production, there are some useful features and accessories to consider when buying a generator.
Transfer switch: If you want to use your generator to power your home, you'll need a sufficiently sized generator and a transfer switch. The transfer switch safely closes off the utility power line to your house's electrical system and opens a direct line to the generator and reverses the process when utility power is restored.
Standby models can work either with a manual or an automatic transfer switch. The benefit of an automatic transfer switch is that it senses when utility power has been lost and automatically switches to generator power.
Wheeled Frames: As the name suggests, portable generators can be transported to different locations. The smallest portable generators are comparatively light--perhaps 50 pounds--and can be carried. Larger models can weigh as much as several hundred pounds, making a wheeled frame essential for transportation.
Other Considerations:
- Noise: Generators aren't necessarily quiet. Some offer extra features to reduce the noise created during operation.
- Weather Protection: Make sure the generator you purchase is suited for the climate in which you'll use it.
 Standby generators are wired directly into your current electrical system and generally require professional installation. View larger. |
 Setup for portable generators is easy. Just make sure to keep the exhaust port pointed away from your house, and to have the proper distance from your windows and other house openings. View larger. |
First, mount the unit outside your home on a concrete pad or plastic mounting pads that come with the generator. You may need a contractor to pour the concrete foundation and mount the generator.
Next you'll need to contact your gas or propane company to connect the unit to its fuel source.
Last, you'll have to call an electrician to hook the generator up to your home's electrical system. Some generators come with pre-wired kits that make it easier for the "do-it-yourselfer" to do the wiring. In most cases, it's probably safest and best to have this work done for you.
Once installed, operation depends on whether you've used a manual or an automatic transfer switch. With an automatic transfer switch, if the generator senses a disruption in utility power, it turns itself on and takes over power production until utility power resumes. With a manual transfer switch, you have to handle these chores yourself.
On a standby model, you'll have to change the oil and filters on a regular basis. Many manufacturers provide maintenance kits to make this easier.
Portable Generators: If you're not planning to hook your portable generator into your home or building's electrical system, there is not a lot of setup involved other than finding a safe place outside your home for the generator. Because portable generators create carbon monoxide, you should never run them inside a building, beneath a window, or near any opening to your house (doors, vents, etc.).
Once situated, fill the generator with the required type of gasoline and oil and start the unit. Startup can be as simple as pressing a switch, but on some you'll have to yank a manual recoil pull-cord.
Of course, you will have to plug the appliances you want to power into the generator, refuel it as necessary, and shut the generator off when you're finished with it.
If you want to connect your generator to your home's electrical system, you'll need a manual transfer switch. Make sure your generator's manufacturer supports connecting your model to a transfer switch. If supported, comply with your model's safety and warranty guidelines as well any local building codes during the installation. In general, it's best to hire an electrician to handle the wiring of your home to the generator and transfer switch.
However you use your generator, over time you'll have to change filters, oil, and spark plugs. Plus, you should not store raw gasoline in the generator when you're not using it. Either run the generator empty or add a gasoline stabilizer that will prevent the gasoline from "gumming" up. Many manufacturers sell tune-up kits for their models.
How Do I Run a Generator Safely?
- Do not operate generators indoors, in enclosed spaces, or near a window. Make sure there is proper ventilation for all exhaust.
- Follow the manufacturer's instructions for installation, operation, and maintenance.
- Do not operate generators near combustible materials.
- Operate portable generators on a level surface.
- Do not plug a portable generator directly into your house circuit.
- Do not attach a generator's transfer switch to your circuit box yourself unless you're very sure of what you're doing. Check all applicable local, state, and national codes and the warranty information before you do this.
Customer Reviews
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Most Helpful Customer Reviews
10 of 12 people found the following review helpful:
4.0 out of 5 stars
Kit and Kaboodle,
By A Pohick (near Crystal City) - See all my reviews
This review is from: Briggs & Stratton Automatic Home 12,000-Watt Stand-by Generator 1815 (Lawn & Patio)
The hurricane that reached DC resulted in cobbling together a transfer switch and generator. It's a blessing to have everything arrive in two packages. This model would back-up a typical home. For a grand and a half more, the 15,000 watt (15 kVA) model could hypothetically allow the owner to tell the power company to take a hike. But it's rude and unwise to burn bridges.
$1,300 buys a premium transfer switch. For a grand and a half less, the 7 kVA model with manual transfer would suffice to provide emergency power to the typical home. It requires load shedding which means to select a few circuits to stay "hot". The other reviewers have impressed this electrician with their know-how and explanations. Dang-nabbit, there goes the job. Where's that resume? The only way to improve this unit would be to offer an alternative to use fuel oil. Many people have fuel oil delivered to their homes but lack service from a gas utility. Just having the 100 amp or a 200 amp transfer switch on the home should increase its value. The new owners can buy their own generator. Amazon keeps erasing the link to the switch, but typing "transfer switch 200" without the quotes brings the right product up in a search. Clicking on "other products by..." works but of course limits the selection.
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