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You are in Phoenix. We also have a Tucson site.

You are in Phoenix. We also have a Tucson site.

Generators 101: Discover What Size Generator Your Home Needs


generac generator on blue background

Picture this: You're in the middle of a cozy family gathering, the grill is busy at work, and everyone's having a great time. Out of the blue, the power decides to take a break. Suddenly, the fridge stops cooling, the AC quits, and the electric grill turns into a fancy paperweight. It's a gentle nudge from life reminding us of the value of being prepared with a generator.

This begs the question "How big of a generator do I need?" You'll want to make sure your home stays operational and comfortable, even when the power grid takes a surprise vacation. We're here to steer you through this decision, keeping it straightforward and easy to understand.

We'll help you find that perfect generator, ensuring that your home life remains uninterrupted, no matter what comes your way.

Assessing Your Power Needs

You're not alone if the thought of figuring out your home's power needs makes you want to take a long nap. Let's face it, tallying up wattages isn't exactly the highlight of anyone's day. But, knowing what you need is like having the right ingredients for a perfect barbecue-you wouldn't grill without your favorite sauce, right?

So, let's talk about appliances. Your fridge, for example, is the unsung hero of your kitchen, usually needing around 600 watts to keep those leftovers chilled. And your beloved air conditioner? It might hog around 1500 watts, but can you really put a price on staying cool during those scorching summer days? Don't forget the sump pump, sitting quietly in the basement, guarding against floods-it'll need about 800 watts to keep doing its noble duty.

Getting these numbers together isn't about solving a complex math problem. It's more like putting together a puzzle, where each piece is an appliance in your home. Once you see the big picture, you'll be one step closer to finding that generator that fits just right, ensuring your home stays as cozy and functional as a well-planned family reunion.

Types of Generators and Their Capacities

Chatting about house generators might not be your typical over-the-fence conversation, but it's a chat worth having. Generators, just like neighbors, come in various types, each with its own set of strengths.

Portable Generators

First, meet the portable generators. These are the compact, easy-to-move units that keep your essentials running. Ideal for a blackout, they're like the dependable friend who shows up with a flashlight during a power outage. Great for powering a refrigerator, lights, and maybe a TV to catch the game.

Inverter Generators

Next, inverter generators. These are the quieter, more fuel-efficient types. They adjust their output based on what you plug into them, making them perfect for sensitive electronics. In the age of smart appliances and devices, inverter generators are right up there.

Standby Generators

And then, there are the standby generators. These are permanent fixtures, always on standby to power your entire home. When the power goes out, they kick in automatically, ensuring everything continues running seamlessly. It's like having a reliable safety net that catches you every time.

Each type of generator has its place, depending on what you need. So, let's figure out which one will best suit your home.

Understanding Your Home's Power System

Grasping the basics of your home's power system might seem like you're trying to learn a new language. But don't worry, we'll keep it as simple as a Sunday morning crossword. Your home is powered by a system that works somewhat like a team of horses pulling a carriage-balanced and coordinated. In most North American homes, this system is based on a 120/240V setup. Imagine it as two separate streams of electricity, each doing its part to keep everything running smoothly. These streams are often referred to as 'lines'-Line 1 and Line 2.

Now, just like a team of horses needs to be evenly matched to pull the carriage straight, your home's power system works best when the load-that's the electrical demand-is balanced between these two lines. An unbalanced load can be like one horse pulling harder than the other, leading to potential issues.

When considering a generator, understanding this balance is crucial. It's not just about the total power you need, but also how that power is distributed across these lines. This might sound a bit complex, but it's really about understanding the basics of how your home stays powered. With this knowledge, you're better equipped to choose a generator that fits not just the power needs but also the way your home handles that power.

Special Considerations for Large Appliances

Powering large appliances during a power outage requires a bit of know-how, but it's nothing too daunting. Let's simplify some of these technical terms with comparisons that are a bit easier to digest.

Locked Rotor Currents (LRA)

Locked Rotor Currents, commonly known as LRA, might sound like rocket science, but they're actually quite straightforward. Think of LRA as the initial burst of energy your air conditioner needs to start up.

Surge Capacities

Then there's surge capacity. This refers to the extra power an appliance needs momentarily when it first turns on. It's like when you first start pedaling a bicycle-you exert more energy to get moving. Similarly, appliances like your fridge or freezer need that initial surge of energy to kick into gear before they level out to their normal running wattage. Understanding these concepts helps you better estimate the power your large appliances need. This ensures you choose a generator that won't be overwhelmed the moment you turn on that air conditioner or refrigerator.

How Big of a Generator Do I Need?

Calculating the right size generator for your home is straightforward once you know the steps. Here's a simple way to figure it out.

Identify Your Essential Appliances

Begin by listing the appliances you can't do without during a power outage. Think about the basics like your refrigerator, furnace, and yes, the coffee maker.

Find the Running Watts

Next, find the running watts for each appliance. This information is typically found on the appliance's label or in its manual. The running watts represent the consistent power needed to keep the appliance functioning.

It's a crucial figure that helps determine the overall energy requirement for your home during a power outage. By gathering these numbers, you can build a clear picture of your household's power usage and ensure the generator you choose is up to the task.

Calculate Total Running Watts

Add up these running watts. This total is the continuous power your generator needs to provide. It's just adding numbers, no fancy math involved.

Factor in Starting Watts

Consider the starting watts, which are higher than running watts for appliances like air conditioners. Identify the appliance with the highest starting wattage and add this number to your total running watts. This ensures your generator can handle the initial surge when these appliances start.

Add a Safety Margin

Finally, it's wise to choose a generator with a capacity slightly above your total wattage needs. This gives you a safety buffer and ensures the generator runs efficiently without being maxed out. By following these steps, you can confidently determine the generator size that will best fit your home's needs. It's about preparing for reliability and ensuring comfort during those unexpected power outages.

Safety and Maintenance Tips

Ensuring safety and keeping up with maintenance for your generator isn't just a good idea-it's essential. Think of it as looking after a trusty car that needs to be ready for a long trip at a moment's notice.

Safety First

Your generator needs space to operate safely. Always operate it outdoors, away from windows and doors, to avoid those sneaky carbon monoxide fumes

Also, respect its power. Connect appliances directly to the generator or use a heavy-duty outdoor-rated extension cord. It's like making sure you have the right gear for a camping trip - no shortcuts.

Regular Maintenance

Now, on to maintenance. Regular check-ups keep your generator in top shape. Keep an eye on oil levels and change as recommended. Don't forget about the air filter and spark plugs. A clean air filter and new spark plugs can be the difference between a smooth run and a sputter. It's a bit like keeping your kitchen clean - everything works better and lasts longer.

Remember, a well-maintained generator is a reliable one. By taking these steps, you're ensuring that your generator is always ready to step in like a superhero when you need it most.

How Big of a Generator Do I Need?

The question "How big of a generator do I need" is an important step in safeguarding your home's comfort and functionality. It's a journey worth taking, and now, you're well-prepared to choose the right generator for your needs.

For expert guidance and assistance, look no further than Parker & Sons. Our range of services, including HVAC, plumbing, electrical, and emergency solutions, ensures you have comprehensive support. Renowned for our commitment to excellence and recognized with an A+ BBB rating, we are here to help you every step of the way, any time of day, without extra charges for nights, weekends, or holidays. Reach out to us for dependable advice on your generator needs and all your home service requirements.

 

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