Choosing a generator for your house is all about finding a power source that fits your family’s needs and keeps your home safe during outages. The trick is figuring out the total wattage of the appliances and systems you want to power, so you land on a generator with the right size and capacity. That way, you’ll have what you need—without overspending or risking damage.
Think about where you’ll put the generator for safety, and check if you need a manual or automatic transfer switch to hook it up properly to your home’s electrical system. At AAA Electrical Services, we help Sacramento-area families choose and install generators, always putting safety and peace of mind first.
We’ve been at this for over 40 years. Our licensed, certified techs offer same-day service and honest pricing. Need a new generator? Quick repair? We treat your home like it’s our own—making sure your family stays safe and the lights stay on.
Understanding Your Power Needs
Knowing how much power your home uses will help you pick the right generator. This means figuring out the wattage for your appliances, deciding which circuits really matter during an outage, and considering any extra power you might want down the road.
Calculating Wattage Requirements
Start by making a list of everything you want running if the power goes out—think refrigerator, heating or cooling, lights, maybe medical equipment. Each one has a wattage rating, usually on a label or in the manual.
Add up the wattage for these essentials. Remember, some appliances—like fridges or pumps—need extra power to start up. It’s a good idea to add about 20-30% extra for those surges.
For most homes, a generator between 7,500 and 12,000 watts covers the basics. If you want to run more or bigger stuff, you’ll need a larger generator.
Identifying Essential and Non-Essential Circuits
Your electrical panel splits your home into circuits. Decide which ones are truly essential in a blackout—usually the kitchen, heating or cooling, lights, and maybe alarms.
Non-essential circuits might be things like outdoor lighting or entertainment systems. You can skip those to save power. Many generators can handle partial loads, and a transfer switch lets you connect only the must-have circuits.
AAA Electrical Services can help you check your panel and pick the safest circuits to back up.
Considering Future Power Needs
Think ahead a bit. Planning to add an EV charger? New appliances? Maybe solar panels? Any of those will bump up your power demand.
Buying a generator with some extra capacity now can save money and hassle later. You won’t have to replace the whole thing if you upgrade. Also, consider your fuel options—propane, natural gas, diesel—pick what fits your lifestyle best.
If you want to be ready for whatever comes next, pros like AAA Electrical Services can help you future-proof your backup power.
Types of Home Generators
When you’re picking a generator, it helps to know how each type works and which fits your needs. Some can power your whole house; others are better for just the basics or short-term use. Fuel type, automatic features, and noise level matter too.
Portable Generators
Portable generators are popular because they’re flexible and easy to move. You can use them for outages, camping, or outdoor events. Most run on gasoline or propane and range from 2,000 to 9,000 watts.
They can power basics like a fridge, lights, and small heaters. But they don’t hook up directly to your home’s wiring—you’ll need extension cords, and you must keep them outside to avoid carbon monoxide. They’re usually louder and need manual setup.
If you want a simple, affordable backup for short outages, portable generators are a solid pick.
Standby Generators
Standby generators are made for longer outages and can run your whole house. They’re installed outside and connect straight to your electrical panel.
These run on natural gas or propane and kick on automatically when the power goes out. Standby models usually deliver 7,000 to 20,000 watts—enough for heating, cooling, and appliances.
They do need professional installation. AAA Electrical Services handles that with safety and efficiency in mind. They cost more upfront, but you get peace of mind and convenience.
Inverter Generators
Inverter generators are quieter and more fuel-efficient than regular portable ones. They use advanced tech to deliver clean, stable power—great for sensitive stuff like laptops and TVs.
You’ll usually get 1,000 to 4,000 watts from these. They’re lightweight and easy to carry, which makes them perfect for camping or powering a few things during an outage. Gasoline or propane are your fuel choices.
If you want to run a handful of important devices without a lot of noise, inverter generators might be your best bet.
If you’re in Sacramento or nearby, AAA Electrical Services can help you choose and install the right generator for your home.
Fuel Options for Home Generators
The fuel you pick for your generator affects how long it runs, how easy it is to refuel, and what kind of maintenance you’ll deal with. Gasoline, propane, natural gas, and diesel are the main options, and each has its ups and downs.
Gasoline Generators
Gasoline generators are everywhere and you can fill them up at any gas station. They’re good for short-term outages since fuel is easy to store and refill. But gasoline can go bad if it sits too long, so you’ll need stabilizers or to swap it out now and then.
These are usually cheaper upfront but might need more regular maintenance. Gasoline smells strong and is flammable, so keep it stored safely. Most models need manual starting unless you add an automatic transfer switch.
Propane Generators
Propane burns cleaner than gasoline and comes in tanks that don’t spoil over time. That makes it a good pick for longer outages or emergency storage. Propane generators put out fewer pollutants, which is nice for your air quality and the environment.
The tanks are bulky but safe to keep outside. Propane generators usually need less maintenance since the fuel doesn’t gum things up as much. They can also work with automatic start systems.
Natural Gas Generators
Natural gas hooks right into your home’s gas line, so you never have to worry about refilling tanks. If you live where natural gas is reliable, this can be super convenient. These generators can run as long as your gas supply stays on.
Natural gas burns clean and helps your generator run efficiently. Installation costs a bit more since you need to connect to the gas line, but you don’t have to store fuel. No big tanks sitting around, which is a plus.
Diesel Generators
Diesel generators are heavy-duty and can run for long stretches. They’re more fuel-efficient than gasoline models and last longer if you take care of them. Diesel stores better than gasoline but can gel up in really cold weather unless you treat it.
These usually cost more upfront and are bigger and louder, so placement matters. Like propane, diesel models can use automatic start systems.
AAA Electrical Services, serving Sacramento and nearby, can help you pick and install the right generator with a safety-first approach and same-day service.
Sizing Your Home Generator
Getting the right size generator starts with knowing what you want to power. That way, your generator can handle your needs without wasting energy or money. It’s also smart to know how to manage your power load during an outage.
Selecting the Right Generator Size
Make a list of the essentials you need running during an outage—fridge, heating or cooling, lights, maybe a water heater or sump pump.
Most homes do fine with a generator between 7,500 and 12,000 watts for basics. If you want to run more, like multiple AC units or electric ovens, you’ll need something bigger.
Check appliance labels or manuals for wattage, and add up the starting and running watts. Starting watts are higher since some things need a kick to get going.
AAA Electrical Services can help you pick the right size. Their licensed pros make sure your generator matches your needs without overspending.
Load Management Strategies
Your generator might not handle everything at once, especially if it’s on the smaller side. Load management helps you control which devices get power, so you don’t overload the system.
A transfer switch with load management options splits your home’s circuits into priority groups. It powers up the critical stuff first—like heating and refrigeration—then moves on to less urgent things.
Turning off non-essentials during an outage helps spread out usage and keeps your generator running longer.
Your electrician from AAA Electrical Services can install and program these systems, so you get the most from your generator and keep your home safe.
Installation Considerations
Installing a generator isn’t just plug-and-play—it affects safety, performance, and how smoothly everything works. You’ve got to think about who does the install, where the generator goes, and how it connects to your power.
Professional vs. DIY Installation
Deciding between professional installation and DIY is a big deal. Generators need safe electrical connections and have to meet local codes. A licensed electrician knows how to do it right, with the tools and experience to avoid wiring mistakes or carbon monoxide risks.
DIY might look cheaper at first, but mistakes can get expensive—or dangerous. Professionals like AAA Electrical Services offer same-day service, upfront pricing, and a focus on family safety. Their certified techs keep your home protected and give you peace of mind.
If you want your generator to be reliable and up to code, going pro is the way to go.
Placement and Ventilation Guidelines
Where you put your generator really matters for safety and efficiency. It needs to be outside, at least 5 feet from windows, doors, and vents to keep exhaust out of your home.
Set it on a flat, stable surface to avoid shifting or damage. Don’t put it in low spots where water can pool. Good ventilation keeps it from overheating and helps it run better.
Check your local laws about placement—permits might be needed. Letting licensed electricians handle this means your generator installation follows all the rules and keeps your family safe.
Transfer Switches
A transfer switch connects your generator to your house safely. It stops electricity from feeding back into the grid, which can be dangerous for utility workers and your equipment.
Manual switches need you to flip them during outages. Automatic ones do it for you, starting the generator when power fails.
Installing a transfer switch is technical and has to fit your electrical system just right. When it’s done properly, your power switches over cleanly and your generator protects your wiring.
AAA Electrical Services can install transfer switches with care and precision in Sacramento and nearby communities.
Maintenance and Reliability
Keeping your generator in shape means it’ll work when you need it. Regular checks and quick fixes help you avoid breakdowns and keep your family safe.
Routine Maintenance Tasks
Run your generator once a month to keep engine parts lubricated. Check the oil and change it every 50-60 hours of use, or as your manual says.
Clean or swap out the air filter to prevent engine strain. Look at the spark plugs—replace them if they’re worn or dirty. Check the fuel system for leaks and always use fresh fuel.
Make sure the battery’s charged and terminals are clean. Test the generator under load by running appliances to make sure it delivers power.
If you’d rather not deal with all that, you can trust AAA Electrical Services for thorough maintenance. Their certified techs offer same-day service and keep your generator running safely and reliably.
Troubleshooting Common Issues
If your generator won’t start, start by checking the fuel supply and oil levels. Old fuel or low oil are often culprits. Listen for odd noises or vibrations—those usually mean something’s loose or there’s a mechanical issue.
If your generator runs but doesn’t power your home, take a look at the circuit breaker and connections. Try resetting breakers or tightening up any loose wiring, but if you’re not comfortable, it’s better not to risk DIY fixes.
Never run a generator indoors or near vents—carbon monoxide is a real danger. Always use it outside, away from windows and doors.
If you’re still stuck, just call licensed experts like AAA Electrical Services. Their team shows up quickly with all the tools they need, aiming to get your power back and your home safe as soon as possible.
Budgeting and Cost Factors
Picking the right generator isn’t just about the sticker price. You’ve got to think about what you’ll pay up front, what it costs to run, and whether it’s actually worth it in the long haul. It’s not always simple, but it’s worth weighing all these things to find a model that fits your needs and budget.
Upfront Costs
Generator prices range a lot based on size, type, and installation. Whole house generators are pricey—usually $5,000 to $12,500 installed. Portable ones cost less, but might not cover everything you want powered.
Installation can get complicated, especially depending on your home’s wiring and local code. You’ll probably need a licensed electrician for safe, legal work. At AAA Electrical Services, they use flat-rate pricing to avoid unexpected costs.
Don’t forget you might need a transfer switch or other parts. They add to the upfront price, but they’re key for safety and making sure your generator works right.
Operating and Maintenance Expenses
After installation, you’ll have to buy fuel, schedule regular checkups, and sometimes deal with repairs. Gas models are often cheaper to run than propane or diesel, though local prices can swing.
You’ll need to keep up with oil changes, swap out filters, and test the system every so often. Skip maintenance and you’re asking for costly repairs or a generator that fails when you need it most.
Set aside a little money for yearly tune-ups. Folks around Sacramento seem to like AAA Electrical Services for maintenance—they’re fast, thorough, and help keep things safe.
Long-Term Value
A right-sized, well-maintained generator pays off over time. Don’t go too big or too small—overspending or wasting fuel isn’t worth it. Sizing it right keeps things efficient.
Honestly, investing in a solid brand and professional installation just saves headaches down the road. Fewer breakdowns, fewer electrical problems, and a lot more peace of mind when the lights go out.
Safety Tips for Using Home Generators
Home generators keep the lights on, but you’ve got to use them safely. Managing exhaust and fuel storage is a must—nobody wants a health scare or fire. Following safety steps really does make a difference.
Preventing Carbon Monoxide Poisoning
Carbon monoxide (CO) is deadly and invisible. Always put your generator outdoors, at least 20 feet from doors, windows, and vents. Never run it inside, not even in the garage or basement.
Point the exhaust away from your house. Install carbon monoxide detectors to warn you early. If anyone feels dizzy, sick, or gets a headache during an outage, get outside and call for help.
Check your generator for exhaust leaks or damage every so often. AAA Electrical Services suggests letting pros handle setup and maintenance—they know how to keep things safe.
Safe Fuel Storage and Handling
Keep fuel in approved containers, clearly labeled, and stored outside in a cool spot with good air flow. Don’t stash fuel near your house or anything that could spark.
Only refuel when the generator’s off and cool. Spills can cause fires or mess up your equipment. Use a funnel and never smoke around fuel.
Buy fuel in small batches so it doesn’t go bad. Old fuel clogs up generators and can cause nasty emissions. If you need help with installation or have fuel questions, AAA Electrical Services can usually get someone out the same day, and their pricing is upfront.
Additional Features to Consider
Some extra features make a generator a lot easier to live with. Automatic start systems and remote monitoring aren’t just fancy add-ons—they can actually make your life simpler and safer.
Automatic Start Systems
Automatic start means your generator kicks on by itself when the power goes out. You don’t have to be home or even awake. It’s fast, so your essentials stay powered with no fuss.
Some systems have a built-in delay, which helps protect your electrical system from those annoying short blips in power.
If you want backup power without the hassle, look for this feature. AAA Electrical Services can help set up the right system for your place if you’re in the Sacramento area.
Remote Monitoring Options
With remote monitoring, you can check on your generator from your phone or computer. See if it’s running, how much fuel’s left, or if it needs service. Catching issues early means fewer surprises.
A lot of new generators come with apps or web access. Some even send alerts if the power goes out or the generator shuts off. It’s a nice way to stay in control, even if you’re not home.
If you’re busy or just want things to run smoothly, remote monitoring is a smart upgrade.
Frequently Asked Questions
Picking a generator depends on your home’s size, what you want to power, and your budget. Fuel type and safety matter, too.
How can I determine the generator size needed for a 1,500 square foot home?
For a 1,500 square foot home, a 7,500 to 9,000-watt generator usually does the trick. Check which appliances you want running—heating, cooling, kitchen stuff, etc.
What factors should I consider when selecting a generator for a 3-bedroom household?
Figure out how much power your devices use. Include lighting, fridge, HVAC, and electronics. Fuel type matters—natural gas and propane tend to be cleaner and might save you money over time.
Could you guide me through choosing a generator for a home around 2,000 square feet in size?
A 9,000 to 12,000-watt generator is often enough for a 2,000 square foot home. List out what you’ll need powered during outages. Make sure to put the unit outside, away from vents and doors.
What is the minimum kW generator I should consider to adequately power my residence?
Most homes need at least a 7.5 kW generator for basics. If you want to run everything—heating, AC, the works—aim for 10 kW or more.
Can you provide tips on picking a portable generator for my living space?
Look for wheels and handles so it’s easy to move. Check what kind of fuel it uses and how long it runs on a tank. Make sure it has enough outlets for your main appliances.
What are the key considerations for powering a 2,500 square foot property with a generator?
If you’ve got a larger place—say, around 2,500 square feet—you’ll probably need at least 12,000 watts, maybe more, depending on what you want to keep running. Big-ticket items like central air or an electric oven can really add up. Make sure to put the generator outside; you definitely don’t want to risk carbon monoxide sneaking into your home.
For expert installation or repair in the Sacramento area, AAA Electrical Services handles the job safely and reliably, with upfront pricing. Their licensed team actually takes the time to match the generator to your home, so you’re not left guessing if it’s enough.
