What Is a Whole-Home Generator?

A whole-home generator is a backup power system that automatically provides electricity during an outage. Unlike portable generators, it connects directly to your home’s electrical system and runs on natural gas, propane, or diesel. Whole-home generators ensure continuous power to essential appliances and systems, keeping your home safe and comfortable during blackouts.

How Does a Whole-Home Generator Work?

When the power goes out, an automatic transfer switch detects the outage and activates the generator. The generator then supplies power to your home, restoring electricity within seconds. Once utility power is restored, the system shuts off automatically, ensuring a seamless transition.

What Are the Benefits of Installing a Whole-Home Generator?

A whole-home generator provides uninterrupted power, protecting your home from outages caused by storms, grid failures, or emergencies. It keeps essential appliances, medical devices, and heating and cooling systems running. Additionally, it increases home value and offers peace of mind, especially in areas prone to frequent power disruptions.

What Size Generator Do I Need for My Home?

The right generator size depends on the total wattage of the appliances and systems you want to power. Smaller generators (10-15kW) can run essential systems, while larger models (20-30kW or more) can power the entire home. A professional electrician can help determine the appropriate generator size based on your household’s energy needs.

What Fuel Options Are Available for Whole-Home Generators?

Whole-home generators typically run on natural gas, propane, or diesel. Natural gas provides an unlimited fuel source if your home has a gas connection, while propane is a good option for homes without gas lines. Diesel generators are often used for high-power applications but require fuel storage.

How Long Can a Whole-Home Generator Run?

A whole-home generator can run indefinitely on natural gas, as long as the fuel supply is uninterrupted. Propane or diesel models run until their fuel supply is depleted, with run times depending on tank size. Regular maintenance ensures the generator remains in good working condition for extended use.

Do Whole-Home Generators Require Maintenance?

Yes, regular maintenance is necessary to keep the generator running efficiently. Maintenance includes checking oil levels, replacing filters, testing the battery, and running the unit periodically to ensure proper function. Professional inspections help identify and fix potential issues before an outage occurs.

Should I Hire a Professional to Install a Whole-Home Generator?

Yes, whole-home generator installation involves electrical and gas connections that must meet safety codes. A licensed electrician ensures proper sizing, wiring, and integration with your electrical / electrical -panels/”>home’s electrical panel. Professional installation guarantees safe and reliable operation when you need it most.

Buffalo Whole-Home Generators

Reliable Backup Power for Your Home

A whole-home generator provides peace of mind by keeping your lights, appliances, and essential systems running during power outages. In Buffalo, where storms and winter weather can lead to unexpected blackouts, having a dependable backup power source is essential. At Roy’s Plumbing, Heating, Cooling & Electrical, we install and service high-quality generators to ensure your home stays powered when you need it most. Our expert team helps you choose the right generator size and model to fit your household’s energy needs. With professional installation and maintenance, we make sure your Buffalo home is always prepared for the unexpected.

Our Residential Generator Services

Power outages can be inconvenient and even dangerous, but a whole-home generator ensures your essential systems stay operational. We offer expert installation, repair, and maintenance services to keep your generator ready when you need it most. With our reliable solutions, Buffalo homeowners can enjoy uninterrupted power and peace of mind year-round.

Generator Installation: A professionally installed generator provides seamless backup power during outages. We assess your home’s energy needs and install the right system for maximum reliability.
Generator Replacement: If your current generator is outdated or struggling to keep up, upgrading to a new model improves efficiency and performance. We remove old units and install modern, energy-efficient systems that meet your power demands.
Generator Repair Services: If your generator isn’t functioning properly, we diagnose and fix issues to restore its performance. From electrical malfunctions to fuel supply problems, we ensure your backup power is always ready.
Routine Generator Maintenance: Regular maintenance helps prevent unexpected failures and extends the lifespan of your system. We inspect, test, and service your generator to ensure it operates efficiently when needed.
Automatic Transfer Switch Installation: An automatic transfer switch seamlessly shifts power to your generator when an outage occurs. This ensures your home stays powered without the need for manual activation.

To see what we can do for you, call us for a quote or to schedule service.

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Why Choose Roy’s For Residential Generators?

Roy’s Plumbing, Heating, Cooling & Electrical is dedicated to helping Buffalo homeowners stay prepared with dependable backup power solutions. Our experienced team ensures every generator installation, repair, and maintenance service is completed with precision and care. We take the time to assess your home’s energy needs and recommend the best system for reliable performance. With decades of experience and a reputation for quality workmanship, we are the trusted choice for whole-home generator services.

Experienced Generator Specialists: Our team is trained to install and service all major generator brands, ensuring expert-level care. We stay up to date on the latest backup power technologies to provide the best solutions for your home.
Reliable Emergency Power Solutions: When the power goes out, you need a generator you can trust to keep your home running. We ensure your system is properly sized and installed for uninterrupted performance.
High-Quality Equipment: We only install top-rated generators designed for efficiency and durability. Our products provide long-term reliability, so your home stays powered during outages.
Seamless Installations: From start to finish, we handle every detail of your generator installation to ensure a smooth process. Our team works efficiently to get your backup power system up and running without hassle.
Ongoing Maintenance & Support: A generator is only useful if it’s in peak working condition, which is why we offer routine maintenance and repair services. We help you stay ready for power outages with regular checkups and fast service when needed.

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4.8 Google Rating

See Why Our Customers Feel Like Stars

Amazing service! Fast, courteous, kind 😁. The whole crew was awesome 😎

kariann hickein

3 days ago

Quality professional installation! Great job!

Jon McManus

3 days ago

Josh was able to diagnose & fix our plumbing problem immediately. He was very knowledgeable & gave us guidance on what may have to be done in the future. We highly recommend Josh!

Jodie Lawson

4 days ago

Josh B came out on a Saturday and cleared our issue, provided excellent service, highly recommend.

Update 2/25/26: Owen H and Josh B came out for a different plumbing problem we had, they were right on time, professional, efficient and friendly, resolved our issue and left a clean work space. Continue to highly recommend Roy’s to anyone needing plumbing expertise in WNY.

Tim

5 days ago

Josh B and Owen H, were extremely nice and explained everything clearly to me when I came home, they were also very nice to my mother.

Alex Liu

5 days ago

Josh B, was very thorough listened to me and my concerns. He was able to get my plumbing fixed so I can use my water. Highly recommend others to request using him

April Finn

6 days ago

My Technician was Jack. He was knowledgeable, professional, explained what he was doing and why and met all of my expectations of what a technician should be. Ten stars is not enough. He’s a wonderful addition to your team and thank you for sending him to me.

S T

6 days ago

Everything about my experience with Roy’s is positive. The original estimator who came out, and the three man crew who did the job All highly professional. Did their work impeccably, as promised, no hidden charges or add-ons like with so many contractors, they cleaned up after they were done. Top-notch. Angelo, Joel and Kyle were the contractors and if I need more work at my house, I’m going to request that specific crew. A+.

Steve Cohen

7 days ago

We had an excellent experience with Roy’s Heating & Cooling when our furnace started short cycling. The scheduling team was friendly, responsive, and got us on the calendar quickly. Aaron, our technician, arrived promptly, was very kind and professional, and clearly explained what was causing the issue. He was knowledgeable, efficient, and made sure everything was working properly before he left. We truly appreciated the great service from start to finish and would highly recommend Roy’s Heating & Cooling.

Jacquelyn Jonmaire

7 days ago

Christian was very helpful explaining the issues and did a great job completing repair.

Steven Rutkowski

1 week ago

Josh Butry did a great job today. . Thank you

Robert Ryan

1 week ago

Josh Butry was very informative and explained step-by-step the repair he completed. I was very Thankful that he was able to fix my plumbing/faucet issue and coming out on a Sunday.

Lori Allen

1 week ago

Five star service!! Josh Butry came out for an emergency call because our sewer drain was backing up. He was very friendly and knowledgeable! He fixed the problem and made sure everything was working as it should be before leaving. I would highly recommend Roy’s and Josh to everyone!! Thank you for the great service!

Cheryl Walczak

1 week ago

Had a clogged drain. Josh B came out, assessed the issue and recommended the appropriate fix. He was pleasant, knowledgeable and professional. Took care of the issue quickly and explained everything he was doing. Would not hesitate to have him come back if other issues arise.

Ronald Haberer

1 week ago

Fiushed my water heater. Done a great job. Very polite. Had to call Roy's. My basement water coming up the drain. Josh B came out. Josh and Eric B.jetted my clean out pipe. Found my sewer had dropped six inches. Which means had to dig up and get sewer rerouted. Josh did an excellent job laying out what needed to be done. Plus had to relocate my sump pump drain. Got everything together. Next day the whole team came out and got started. One crew in basement. Other crew outside. What a BIG job. They all worked together. Everyone of the guys were great. If I could give them 10 stars I would. You want a job done the right way. Call Roy's plumbing.

Doris Vick

1 week ago

Josh B came out to my house to provide an estimate for a few projects. Off the bat, he was professional and explained his background which instilled my trust in his expertise. He was patient when I asked a bunch of questions and gave some advice on items that we didn’t necessarily need to hire him for. The icing on the cake was that he brought in my recycling bin from the street! My husband and I will be using Roy’s for our garage project because of how great Josh was. Highly recommend!

Steph Cirringione

1 week ago

Everyone who works there is super nice and patient and helpful

Kim Ehlenfield

1 week ago

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Schedule Service With Roy’s Today

Need help with your plumbing, heating, cooling, or electrical system? Roy’s makes it easy to schedule fast, reliable service in Buffalo and the surrounding areas. Our licensed technicians arrive on time, treat your home with respect, and get the job done right the first time. Whether it's an urgent repair or a routine checkup, we're here to keep your home safe and comfortable. Don’t wait—book your appointment with Roy’s today and experience the 5-star difference!

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