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Avatar for Tri-County Electric Service
Tri-County Electric Service
5.0(
37
)
Fixed Generator - InstallPortable Generator - Install

Serving Diamond, OH and surrounding areas

Approved

In business since 1975

Free estimates

Emergency services offered

Tri-County Services Electric & Plumbing is a family-owned contractor proudly serving Northeast Ohio for nearly 50 years. Based in Garfield Heights, we provide reliable residential and commercial electrical work, including panel upgrades, EV charger installations, lighting design, generator setups, troubleshooting, and 24/7 emergency repairs.\n

Lighting Installation
Lighting Installation
Lighting Installation
Lighting Installation
Lighting Installation

+8

8 neighbors recently requested a quote
Recommended by4%of homeowners
Avatar for Tri-County Electric Service
Tri-County Electric Service
4.9(
56
)
Fixed Generator - Repair

Serving Diamond, OH and surrounding areas

Approved

In business since 1975

Free estimates

Emergency services offered

"Chris and his assistant did an excellent job of explaining the situation and options for repairing or replacing our hot water heater. In the end we chose to replace it and they were able to secure a new unit and install it within 3 hours. Would definitely recommend Chris and Tri-County Services and will use them again if another situation arises."
Side House Electric
Front Door Electric
Residential Electric
Electrical Installs
Kitchen Lighting

+10

131 neighbors recently requested a quote
Recommended by4%of homeowners
Avatar for WyattWorks Plumbing
WyattWorks Plumbing
4.7(
571
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install+1 more

Serving Diamond, OH and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1979

Emergency services offered

Warranties offered

"On Thursday, the technician (David) came to my house to look at two projects: replacing a leaking electric water heater, and installing a new gas line (in my crawlspace) to my masonry fireplace so I can convert from wood to gas logs. He explained my options, and quoted prices for these options. I asked if he could do the work on the upcoming Saturday, and he scheduled this before he left! I ordered the gas tankless water heater and the gas line to my fireplace. By the way, I had 3 different plumbers look at this work, WyattWorks had the lowest prices. On Saturday David and Alex arrived early in the morning and worked past 6:30 PM to complete both jobs. The installations were great. Everything to code, and with neat, high quality workmanship and thoroughly tested. They cleaned up the work areas and hauled away my old water heater. In other words, a typical WyattWorks job."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Response time7 hrs
17 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for ALL ELECTRIC Inc
ALL ELECTRIC Inc
4.7(
7
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Diamond, OH and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"Very well. The All Electric Inc. electrician, Ashton did an excellent job in a reasonable amount of time. He was knowledgeable and neat as well as cleaning the area when the project was finished. I would consider All Electric and definitely Ashton for any future projects. Thank you, Henry Miller/Campbell, Ohio"
Panel 1
Panel 2
Panel 3
2 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Mr. Electric of Cleveland
Mr. Electric of Cleveland
3.9(
135
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Diamond, OH and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Mr.Electic and Ryan, as well as the electrician, were all amazing. My electric panel burned out at night. I called them at 10pm and they had a representative at my house the following morning. They're quote was within market rates with a bit of an expected mark-up for urgency. It was definitely reasonably priced, especially since i couldn't find anyone else able to do the job right away. Long story short, the electrician was at my house the very next day after the quote and did an AMAZING job installing a larger panel. They needed to cut the wall to make more space and did it in a way that is practically invisible from the outside. You really cannot go wrong with this provider."
13 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for Wilson Plumbing & Heating, Inc.
Wilson Plumbing & Heating, Inc.
4.4(
18
)
Fixed Generator - Install

Serving Diamond, OH and surrounding areas

Approved

In business since 2016

Free estimates

Credit card accepted

Our licensed technicians are experts in plumbing, heating, electric, and air conditioning, backed by 100 hours of specialized training. When you choose Wilson, you're choosing excellence, reliability, and a company that cares about your home as much as you do.\n

Rewiring
Chandelier Installation
Chandelier Installation
Chandelier Installation
Chandelier Installation

+2

Response time7 hrs
63 neighbors recently requested a quote
Recommended by17%of homeowners
Avatar for R & K Electric, Ltd
R & K Electric, Ltd
4.4(
5
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Diamond, OH and surrounding areas

Approved

In business since 1989

Free estimates

Warranties offered

With over four decades of industry experience, R & K Electric, Ltd is your trusted partner for residential and commercial electrical services. We are committed to delivering punctual, professional, and reliable solutions for every project big or small. Our team stands behind our work 100%, ensuring safety, quality, and customer satisfaction every time. When you choose R & K Electric, you're choosing expertise you can count on and service you can trust.

150-A Mast Service
400-A Elect. Service
Response time12 hrs
Response rate87%
3 neighbors recently requested a quote
BPM Electrical & Mechanical
3.6(
9
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+3 more

Serving Diamond, OH and surrounding areas

Approved

In business since 2016

Free estimates

Offers commercial services

BPM Electrical & Mechanical is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with our ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Response time20 mins
Response rate100%
Recommended by83%of homeowners
Avatar for Enertech Electrical, Inc.
Enertech Electrical, Inc.
New to Angi
Generator - Install - For BusinessGenerator - Repair - For Business

Serving Diamond, OH and surrounding areas

Approved

In business since 1981

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.

Response time10 mins
Showing 1-10 of 35
Generator Install questions, answered by experts

Yes, installing a generator usually increases your property value because buyers are getting the added peace of mind knowing they’ll be able to maintain power through blackouts. In most cases, you should see close to a 100% return on investment (ROI). Keep in mind that home generators usually need a permanent foundation, and installing a concrete slab will likely raise your property taxes slightly.

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.

The cost to install a whole-house generator averages $5,200, with a typical price range of $1,500 to $8,900. However, total costs can vary from $400 for a small portable unit to over $18,000 for a large-capacity system. The most significant cost factor is the generator's size and capacity, but other variables include the brand, fuel type, and labor for assembly and installation.

Generator costs can be broken down by type:

  • Portable or Emergency Backup Generators (1kW–7.5kW): $500 to $2,000

  • Partial-Home Generators (9kW–20kW): $2,000 to $6,500

  • Whole-House Generators (22kW–48kW): $5,000 to $18,000

To avoid paying for more power than you need, consider hiring an electrician to calculate the electrical load for your essential appliances. It is also recommended to get at least three quotes to find the best deal for your specific needs and budget.

DIY is possible for basic setups. Professional installation ensures safe and proper electrical connections.

A 10,000-watt generator can run a small to mid-sized central AC unit (typically up to 3 tons or 36,000 BTU) along with a few other appliances. However, larger AC units or additional loads will require a bigger generator. Consult a local generator installer to ensure you add the correct size generator to your home.

The Diamond, OH homeowners’ guide to generator installs

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