cool hit counter

What Size Emergency Generator Do I Need


What Size Emergency Generator Do I Need

Okay, let's talk about something that might not be the most exciting topic, but trust me, it's way more important than picking the perfect avocado: getting the right size emergency generator. Think of it as your electrical insurance policy, except instead of covering fender benders, it covers sudden power outages. And who wants to be stuck in the dark, binging Netflix by candlelight (romantic, maybe for 10 minutes)?

Why should you even bother? Imagine this: a surprise summer storm rolls in, knocking out the power just as you're about to start grilling burgers for your friends. Or picture a winter blizzard blanketing everything in white, leaving you shivering and unable to even charge your phone. A generator is like a superhero cape for your house, swooping in to save the day (and your burgers!).

So, How Big is Your Cape?

Figuring out the right size generator isn't about flexing some macho "bigger is always better" muscle. It's about being smart and efficient. Too small, and your generator will sputter and die, leaving you still in the dark. Too big, and you're wasting money on a generator you don't need, like buying a monster truck to drive to the grocery store.

The secret? Calculating your wattage needs. Think of watts as the energy "currency" your appliances need to run.

Here’s the breakdown:

1. Make a List (and Check It Twice!). Walk around your house and jot down everything you absolutely need to keep running during a power outage. We're talking essentials: refrigerator (to keep those burgers safe!), lights, maybe a space heater or window AC unit (depending on the season), your well pump (if you have one), and of course, your phone charger. Don't forget things like medical equipment if anyone in your family relies on it.

Blog - Thompson Power Systems
Blog - Thompson Power Systems

2. Find the Watts. Most appliances have a sticker on the back or bottom that lists their wattage. Look for something like "Watts: 1200W" or just "W: 1200". If it only lists amps (A), you can usually multiply the amps by the voltage (typically 120V in the US) to get the watts. (Watts = Amps x Volts).

3. Starting Watts vs. Running Watts. This is a sneaky little detail that can trip people up. Some appliances, especially those with motors (like refrigerators and air conditioners), need a surge of power to start up. This is called the "starting wattage," and it's usually higher than the "running wattage," which is the power they need to stay running. Your generator needs to handle that initial surge. Look for both numbers if available. If you only find one number, assume it's the running wattage, and estimate the starting wattage at 2-3 times higher for motor-driven appliances.

4. Add It All Up! Tally up the running wattage of everything on your list. Then, identify the appliance with the highest starting wattage. Add that starting wattage to the total running wattage of everything else. This gives you the peak wattage your generator needs to handle.

What Size Emergency Generator Do I Need For My Home at Jamie Spinelli blog
What Size Emergency Generator Do I Need For My Home at Jamie Spinelli blog

Example Time! Let's say you want to run:

* Refrigerator (Running: 200W, Starting: 600W) * Lights (100W) * Phone Charger (10W) * Small space heater (1500W)

Total running watts: 200 + 100 + 10 + 1500 = 1810W

Refrigerator has the highest starting wattage (600W).

How to Check and Recharge Your Well Pressure Tank: A Step-by-Step Guide
How to Check and Recharge Your Well Pressure Tank: A Step-by-Step Guide

Peak wattage: 1810 (total running) - 200 (refrigerator running) + 600 (refrigerator starting) = 2210W

In this case, you'd want a generator that can handle at least 2210 watts.

Give Yourself Some Wiggle Room

Don't cut it too close. It's always a good idea to add a little buffer, say 10-20%, to your calculated wattage. That way, you have some extra power if you need to plug in something unexpected, or if your appliances draw slightly more power than their labels suggest. Plus, running a generator at its absolute maximum capacity for extended periods isn't ideal for its lifespan.

What Size Generator Do I Need? Calculator And Tips
What Size Generator Do I Need? Calculator And Tips

Portable vs. Standby: Different Generators for Different Folks

Now that you know your wattage needs, you can choose between two main types of generators:

* Portable Generators: These are the workhorses you see at campsites and construction sites. They run on gasoline, propane, or even diesel. They're relatively affordable and easy to move around. Great for powering essentials during shorter outages. You'll need to manually start them and plug in appliances with extension cords. Be careful not to run these inside your house because of carbon monoxide! * Standby Generators: These are permanently installed outside your home and automatically kick on when the power goes out. They're powered by natural gas or propane, so you don't have to worry about refueling. They're more expensive than portable generators, but they offer seamless power and can run your whole house. Think of it as the ultimate "set it and forget it" power solution.

Don't Be Afraid to Ask for Help!

If all this wattage math is making your head spin, don't worry! Many electricians and generator dealers can help you assess your power needs and recommend the right size generator for your home. They can also handle the installation process, ensuring everything is safe and up to code. Getting professional advice is always a smart move.

Ultimately, choosing the right size emergency generator is about preparedness and peace of mind. It's about knowing that when the lights go out, you'll be able to keep your family safe, comfortable, and maybe even keep those burgers grilling. So, take a little time to figure out your wattage needs, and you'll be ready to weather any storm, with power to spare!

You might also like →