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Tek Electric
2.3(
3
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Beaver Dam, WI and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"First, they were recommended to us for the whole house generator by home depot.  We were so happy with the generator that we had him do a bathroom fan at my house and a bathroom fan at my son's house.  I did some checking and that was a reasonable price.  With the work he did, it was more than reasonable.  The job was a little more involved than he thought it would be and he didn't have any problem with any of it.  Without anything to judge the pricing from, other than online and a couple of guys I had come over who weren't on the same page as me, I'd say excellent.  The quality was top of the line.  As soon as he got the generator, he got over here to put it in. As a matter of fact, I am thinking about calling him again for something."
Recommended by50%of homeowners
Esser Electric
5.0(
1
)
Portable Generator - Repair

Serving Beaver Dam, WI and surrounding areas

In business since 2003

Free estimates

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.\n

Recommended by100%of homeowners
Kehrmeyer Electric, LLC
New to Angi
Fixed Generator - Install

Serving Beaver Dam, WI and surrounding areas

In business since 2017

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

ATOM ELECTRIC LLC
New to Angi
Fixed Generator - Install

Serving Beaver Dam, WI and surrounding areas

In business since 2020

Free estimates

Credit card accepted

With years of experience serving the area, we are your solution for all your Electrical needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers! Call us today so we can discuss your needs and make a plan that fits your budget. Satisfaction guaranteed!

BruLight General LLC
New to Angi
Fixed Generator - InstallGenerator - Install - For Business

Serving Beaver Dam, WI and surrounding areas

In business since 2023

Free estimates

Credit card accepted

At BruLight General, we are a leading general contracting firm specializing in comprehensive home remodeling services for both the exterior and interior of residential properties. With a team of highly skilled professionals and a commitment to exceptional craftsmanship, we bring our clients' renovation dreams to life.\n\nWith years of experience in the industry, we understand that home remodeling is a significant investment for our customers. Therefore, we prioritize open communication, attention to detail, and delivering outstanding results within agreed-upon timelines and budgets.\n\nOur exterior remodeling services encompass a wide range of projects, including roofing, siding installation, window replacement, deck construction, and landscaping enhancements. Whether our clients desire to boost their home's curb appeal, improve energy efficiency, or enhance outdoor living spaces, our team is well-equipped to handle the job with expertise and precision.\n\nWhen it comes to interior remodeling, our skilled craftsmen are proficient in transforming kitchens, bathrooms, basements, living areas, and more. We collaborate closely with our clients to understand their unique vision, lifestyle needs, and design preferences. From concept to completion, we manage every aspect of the project, including space planning, electrical and plumbing work, flooring installation, cabinetry, and custom finishes.\n\nWhat sets us apart is our commitment to quality and customer satisfaction. We source premium materials from trusted suppliers and utilize advanced techniques to ensure durability, functionality, and aesthetic appeal in every project we undertake. Our team of experienced project managers oversees the construction process, ensuring seamless coordination among subcontractors, adhering to local building codes, and maintaining a clean and safe worksite.\n

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Generator Install questions, answered by experts

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

Yes. You can connect your home back-up battery to a generator with its designated charger. Be sure that the output of the generator matches the input requirements for the battery for best results.

Generators run on a variety of fuel types, ranging from natural gas to solar power. Keep in mind that fuel costs varying by type:

  • Natural gas: $2,000–$21,000 per year 

  • Liquid propane: $2,000–$21,000 per year

  • Diesel: $3,000–$20,000 per year

  • Gasoline: $500–$3,000 per year

  • Solar generator: $2,000–$25,000 per unit

  • Battery backup: $10,000–$25,000 per unit

While diesel is relatively stable, it won’t last nearly as long as propane and you may have to replace it if it sits unused for too long. Diesel can sometimes struggle to work efficiently or start engines during especially cold weather, so it’s not the best choice for every climate. Compared to fuels like propane and natural gas, diesel generators tend to be noisier and create more exhaust, which isn’t always ideal for home use.

The amount of time a standby generator can run continuously is around 3,000 hours on average. However, standby generators can generally run indefinitely as long as they have a continuous fuel supply. Generators hooked up to a home’s natural gas supply are the best option for extended usage, as these won’t rely on a finite fuel supply based on how much you have in storage. Generators running on liquid propane or diesel won’t last as long, as these require fuel storage and regular refueling to stay running.

The Beaver Dam, WI homeowners’ guide to generator installs

From average costs to expert advice, get all the answers you need to get your job done.