*The Angi rating for Generator Install companies in Bethlehem, GA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
*The HomeAdvisor rating for Generator Install companies in Bethlehem, GA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Generator Install needs.
Last update on February 23, 2026
Serving Bethlehem, GA and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"This was an installation of a Gererac back. up generator."
Serving Bethlehem, GA and surrounding areas
Approved
In business since 1999
Free estimates
Emergency services offered
"Rob & Cory were on time, friendly, professional & honest. They repaired & replaced ceiling fans, light fixtures, light switches, installed a new doorbell, a new outlet & made recommendations along the way. Great guys --- a downright joy to have in my home! They deserve the 5-star rating!!"
+28
Serving Bethlehem, GA and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1985
Emergency services offered
Warranties offered
"Keep Smiling sent me Roy Wint and I'm very glad they did. Roy installed a replacement ceiling fan as well as four recessed lights. The result of the project is a much better lit and livable living room. I want to extend special kudos to Roy. He was very professional, polite, and friendly. A joy to have working on my home. He went out of his way to avoid creating any holes in the ceiling other than those housing the lighting fixtures. And he also did a safety inspection of my home's fuse box. I can't say enough good about this young man. I'll definitely be calling him the next time I need electrical work done in my home."
+2
Serving Bethlehem, GA and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
Premier Generators has helped homeowners and businesses across the Southeast protect what matters with reliable Generac home standby generators for over 30 years.\n\nWhen power goes out, your generator is designed to start automatically and restore power within seconds, helping keep your home or business running smoothly. We start by learning what matters most on your property, then guide you through a clear process: right-sized recommendations, permitting, installation, and complete start-up and testing.\n\nOur relationship does not end at installation. We provide service and maintenance to help your system stay ready, including routine inspections, preventive maintenance, and repairs. Ask about maintenance plans and support options, plus warranty coverage that can extend up to 10 years.\n\nWhether you’re protecting a whole home or a commercial site, we’ll help you choose the right solution for your needs and leave you feeling confident, informed, and prepared long before the next outage.
Serving Bethlehem, GA and surrounding areas
Approved
In business since 1987
Emergency services offered
Warranties offered
Casteel Heating, Cooling, Plumbing and Electrical is the company you can trust with your home service needs. We offer installation, repair and replacement services based on flat rate pricing and never any emergency fees. Our highly educated technicians pride themselves on their craftsmanship and customer service. Casteel offers industry leading warranties and guarantees to include our Amazing Care Guarantee. You get 5 star service or your service call is free! At Casteel we know your time and money are valuable, for this reason we provide you with the ability to track your technician right to your door. With fair pricing, top notch team members and our Amazing Care Guarantee, you will not go wrong with Casteel as your home services company of choice.
Serving Bethlehem, GA and surrounding areas
Approved
In business since 2014
Free estimates
Reyes Mechanical Contracting, LLC, has over 27 years of experience in the electrical, plumbing and HVAC industry. Reyes Mechanical Contracting, LLC, stands by the quality of our work. We work diligently to ensure the project is completed to the client's specifications.
Serving Bethlehem, GA and surrounding areas
Approved
In business since 2024
Offers commercial services
We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee assures you that we won't leave your property until you are completely satisfied with our work. As a locally owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!
Serving Bethlehem, GA and surrounding areas
In business since 2024
Free estimates
Credit card accepted
"Ashley made the process painless and easy. He communicated with me throughout the entire repair and even took the time to answer my questions as well. I’ve since added them for my annual maintenance to keep my generator working every time we need it."
Serving Bethlehem, GA and surrounding areas
In business since 2014
Free estimates
Credit card accepted
"They showed up on time, were courteous, knowledgeable and efficient. They left no mess and did a flawless job repairing some outlets and installing my Tesla charger. Their pricing was very competitive. I would highly recommend them."
Serving Bethlehem, GA and surrounding areas
In business since 2024
Free estimates
Emergency services offered
"It went well! Did an awesome job on installing my new light's."
+34
When maintained properly, a whole-house generator can last up to 20 years. Costs to maintain and repair generators vary by location and type of generator, but you can expect to pay about $150 to $300 per year for annual generator maintenance checks. An experienced generator service technician will inspect your generator’s engine filter, starting mechanism, fuel, lubrication, and coolant levels to keep your generator in good working condition for as long as possible.
Installing a whole-house generator costs about $5,000 on average. Prices range from $1,550 to $8,500, depending on size, brand, fuel type, and assembly. The size of your whole-house generator is the most significant cost factor, with large homes with high energy demands costing the most to power. Types of whole-home generators include:
Portable generators with 1kW–7.5kW capacity: $500–$2,000
Partial generators with 9kW–20kW capacity: $2,000–$6,300
Whole-house generators with 22kW–48kW: $5,000–$18,000
When choosing the right size generator for your needs, consider a few items to help calculate the wattage you’ll need. Start by determining which household items and appliances you want to power, and then add the wattages together. Check out the wattage of these essential appliances:
Refrigerator: 600 watts
Large dehumidifier: 700 watts
Large window air conditioner: 1,400 watts
Water heater: 3,000 watts
Running home appliances like these requires a partial or whole-house generator. A portable generator may be enough to power your home if you only plan to keep a refrigerator and freezer running.
Here’s what you can run with different wattages and types of generators:
Portable generator:
2,000 watts can handle a large appliance like a freezer or refrigerator, plus a few smaller items like phones or computer chargers.
4,000 watts will keep two large appliances operating and a few smaller devices.
8,000 watts should power most essential appliances and other devices, including a sump pump, well pump, or your dishwasher.
Partial to whole-house generator:
20,000 watts and above will make it seem like your home’s power is still on.
The value of installing a whole-house generator is that your home has guaranteed power, even if the power grid in your area is down. Whether a whole-house generator is worth installing in your home depends on how often you use it, your home’s location, and your lifestyle. For example, installing a whole-house generator is likely worth it if you:
Experience frequent or prolonged power outages
Work from home
Store a lot of cold food
Have a sump pump
Have a pump for well water
Use electronic medical devices
Live in a climate requiring heating or cooling
From average costs to expert advice, get all the answers you need to get your job done.
The cost to install a generator transfer switch depends on several factors. Our guide will help you understand all of the costs.
The average cost of a whole-house generator falls between $5,000 and $25,000. Keep reading to learn how much you can expect to spend.
Natural gas generators are whole-home standby generators that are connected to your home’s natural gas line. The average cost for a natural gas generator is $12,000.
Generators should give you peace of mind, but you’ll only get that if your installer knows what they’re doing. Learn how to hire a pro and what red flags to look for.
Whole home generator installations require a professional hand. Read this guide to help you decide which generator is best for your home.
Wondering who to hire to install a generator? Consult this guide to learn who to hire to install a generator or a transfer switch.
