Next, use the following formula to help determine the total starting wattage of all of your appliances: (Starting Amps x Volts = Watts). Without it, food spoils, the internet is lost, and many mechanical systems that help protect your home stop working, presenting a dangerous situation during severe storms. Since these generators are equipped with advanced load-managing hardware, like A/C shedding, you will hardly notice that the air conditioners kick on at different times, so they don't overload the system. Complete Whole-House … Typically, the average sized home has a 200-amp main breaker, so the maximum amount of electricity your home can consume is 200 amps. To determine an air conditioner's size in "tons", just divide the number of BTUs by 12,000 (Tons = BTUs/12,000). They feature larger, more powerful engines that are liquid-cooled for longer run times without maintenance, sophisticated programming for better load management, and provide better fuel options like natural gas, liquid propane, and diesel. Now that we���ve identified which electrical circuits are important, we can project the total electrical load from these same loads.�� Here���s a sample scenario during the summer months where we are doing the laundry but we���re conserving power and not operating the washing machine and dryer at the same time.�� We���re also not operating any cooking appliances.�� Someone is watching TV and downstairs, one ceiling fan is ���on��� as well as the downstairs air conditioner.�� Let���s look at the results: We���re conserving power where possible because, for budgetary constraints, we decided to have a 20kW air-cooled generator installed.�� The 20kW generator coupled with a 200-Amp Automatic Transfer Switch can be connected to all house circuits installed on a 200-Amp Load Center, making it a ���whole house generator��� for homes 2500 square feet and less.�� Keep in mind the generator is rated at 20kW when using LP as the fuel source, and 18kW for natural gas. Instead, your house will be close to fully functional, as if nothing happened at all. Project costs for liquid-cooled generators begin in the mid-teens and can often range well in excess of $20,000.00. So--in the above illustration, you would need just one (1) ATS appropriately sized to match the size of the circuit breaker panel it is connected. A home generator costs less than you think! Item #3629810. Protects the generator from scratches, dirt, water and grease. One of the biggest questions we receive is, "What's the difference between a home standby and whole-house generator?". The best advice we can offer anyone considering a standby generator is to consult an industry professional.�� We���ve seen folks make the mistake of putting the cart before the horse by purchasing a generator without any thought of what they want to power with the generator.�� I���ll never forget the gentleman who found a ���great sale��� on a standby generator for $1,900 at a big box store.�� He bought the 7kW (that���s only 7,000 watts) generator, then called us for a quote to install it.�� I asked him, ���which circuits do you want to power with your new generator?����� He responded, ���the entire house.����� The man lives in a 4,000 square foot home with three air conditioners.�� Needless to say, I had to explain why the installation scenario he described would not work. If you are shopping for a talented generator installer, ask each this question:�� ���How many standby generators have you installed in the past 12 months?����� If any of them respond, ���Oh, I think I can probably figure it out,��� you would be well advised to take a pass on any quote they offer, even if it is your low quote. Some of the best whole house generators, standby generators, are designed to act as a passive backup system that automatically “flips a switch” in case your power goes down any than just a few seconds.. Luckily Costco is offering a professional line of automatic standby generators and generator installation from Generac®, designed to automatically kick on when your power goes out, and keep running until service is restored. Update your ZIP Code below to see if you're in our network. You might be shopping at a Big Box Store and find a standby generator with lettering on the box claiming to be a ���Whole House Generator���.�� More than likely, the kit includes a 200-Amp ATS that connects to your home's 200-Amp service, thus, covering the entire house.�� The generator itself can be as small as 12kW or up to 22kW. A home backup generator delivers power directly to your home’s electrical system, backing up your entire home … Their online selection is sometimes more extensive than what is available in the store. The 20kW air-cooled generator is the generator of choice in 70% of all installations. Whole-House Size OptionsAll standby generators are rated by kilowatt (kW) (1 kW = 1,000 watts) which measures the capacity or total load that the generator can handle. A very popular and ���easy on the budget��� generator is a ���20kW��� (20,000 Watts) model.�� It���s easy on the budget because most 20kW generators are air-cooled (as compared to ���liquid-cooled���) and cost around $5,000.00, including a 200-Amp Automatic Transfer Switch (ATS).��. Firman 7500W Running / 9400W Peak Tri Fuel Generator Runs on Gasoline, Propane Fuel or Natural Gas, for Flexibility on the Road or During Emergencies 9400 Starting Watts / 7500 Running Watts - Gasoline … Official website for Costsco Wholesale. Generac 8,500W Running / 10,000W Peak EFI Generator with Electric Start TruePower Technology: Provides Clean, Stable Power Ideal for Sensitive Electronics, Tools, Appliances COsense Technology … Both LP and diesel fuels will require tanks large enough to run the generator correctly. , `` what 's the difference between a home standby and whole-house generator? `` in your electrical service.. 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