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    Are you planning to install a whole house generator but unsure about what size propane tank to use? Don’t worry, we’ve got you covered! In this blog post, we’ll be discussing everything you need to know about choosing the right propane tank for your 20 kW generator. From calculating your fuel needs to understanding the different sizes available on the market, our comprehensive guide will help you make an informed decision and keep your home powered up during any outage. So let’s dive in and explore what size propane tank is needed for a whole house generator!

    What is a Whole House Generator?

    A whole house generator is a power source that can produce electricity from fuel like propane. Whole house generators are the most popular type of generator out there because they’re efficient and relatively easy to use. They require a dedicated space in your home to install, but once you have one, you can power all your appliances with just the push of a button.

    There are three main types of whole house generators: Stand-alone, parallel-connected, and series-connected. Stand-alone generators use their own engines to generate power and typically have lower energy outputs than other two types. Parallel-connected generators connect multiple units together and increase the energy output. Series-connected generators use electrical current to turn gears that generate power. They have the highest energy outputs but are also the most complicated to setup and maintain.

    The size of your propane tank will determine what size whole house generator you need. A typical stand-alone generator requires between 20 and 100 pounds of propane per hour at full throttle (or 7500–15000 BTUs). Parallel connected generators require between 10 and 50 pounds per hour at full throttle (4000–10000 BTUs). Series connected generators require between 5 and 25 pounds per hour at full throttle (2000–6000 BTUs).

    If you’re planning on using a propane generator for general home use, we recommend going with a smaller model – say something around 2000 watts – which will not only save you money on fuel, but also on installation time and hassle. If you’re looking to power a specific appliance or need more power than a small generator can offer, we recommend going with a larger model – say 4000 watts or higher – which will give you the extra oomph you need.

    What are the benefits of owning a Whole House Generator?

    If you’re in the market for a whole house generator, there are many benefits to owning one. Here are just a few:

    No Gasoline Costs
    The first major benefit of owning a whole house generator is that you no longer have to worry about spending money on gasoline. Because generators use electricity to run, they don’t require any type of fuel. This is great if you’re someone who likes to keep expenses down.

    Reduced Energy Bills
    Another big benefit of owning a whole house generator is that it can reduce your energy bills significantly. Depending on the size and type of generator you choose, it may be able to power everything in your home including your appliances and even your televisions! This means that not only will you save money on your monthly energy bills, but you’ll also be helping the environment by using less energy overall.

    Peace of Mind
    Finally, owning a whole house generator can provide peace of mind when it comes to emergencies. If there was ever an outage or natural disaster and your power went out, having a generator at home would ensure that you and your family were safe and had enough electricity to function.

    What size propane tank is needed for a whole house generator?

    When selecting a generator for your home, it is important to consider the wattage required. A whole house generator, such as the Patriot Power Equipment 85 kw, requires a propane tank size of at least 1,000 gallons. Other generators in this wattage range may require a tank size of 1,500 or 2,000 gallons.

    How to choose the right whole house generator

    Whole house generators are a great choice for those who need reliable power during a power outage. However, before choosing a whole house generator, it is important to know what size propane tank is needed. A propane tank can hold between four and eight gallons of gas. Make sure to purchase the correct size tank for your generator by consulting your generator’s owner’s manual.


    If you are in the market for a whole house generator and don’t know what size propane tank you need, please read on. A 20kw generator will use about 2,000 pounds of propane. To figure out how much propane you will need to run your generator for an entire year, divide 2000 pounds by 12 (months). This would give you 200 pounds per month. If you have an extra 400 pound tank or so lying around from previous uses, that would be great to add to your generator’s fuel supply.

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