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TRUSTED BY BETHLEHEM, PA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon14
    Verified generator installs reviews

Find Generator install pros in Bethlehem

Avatar for MKS Electric, LLC
MKS Electric, LLC
4.8(
134
)
Portable Generator - Install

Serving Bethlehem, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1993

Free estimates

Small jobs welcome

"Mike and his assistant replaced my seriously outdated smoke detectors in the basement and first floor, replaced a second floor smoke detector with a combo smoke/carbon monoxide detector and in the attic replaced a heat detector. While at my house, they also looked at a poorly installed outlet in the basement and brought it up to standard and installed an outlet on my front porch! They were quick and extremely helpful and left no mess behind. I will definitely call MKS Electric again if I need any further electrical work done at my house."
Sub panel in old Barn
New sub panel in old Barn
New 100 Amp Panel
Mechanical rm
LED high bay lights

+16

Response time1 day
Response rate90%
Recommended by96%of homeowners
Avatar for Maitz Home Services
Maitz Home Services
4.1(
121
)
Fixed Generator - InstallFixed Generator - RepairPortable Generator - Install

Serving Bethlehem, PA and surrounding areas

Approved

In business since 1964

Free estimates

Credit card accepted

"We were walked through the products and installation as well as the benefits of a heat pump. The install was done in one day. Very quick and efficient. We've had the units running for about a month and they are awesome. We're very happy with our decision."
Outdoor HVAC System
19 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Malachowski Construction & Excavation LLC
Malachowski Construction & Excavation LLC
5.0(
8
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Bethlehem, PA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

We are a small company that can tackle any task. The owner is on every jobsite to make sure that the work is getting completed to his high standards. We like to be a one stop shop for our customers and help them with whatever their dream is.

Response time4 days
Response rate100%
6 neighbors recently requested a quote
Avatar for CJD Electric, LLC
CJD Electric, LLC
4.6(
16
)
Fixed Generator - Repair

Serving Bethlehem, PA and surrounding areas

Approved

In business since 2012

Free estimates

Credit card accepted

"I would recommend this electrician to everyone I know. We purchased a new home and they were very flexible working around the plumbers and the carpet installation as well. The work is top quality and they were very accommodating to our vision for what we wanted. Corey also made helpful suggestions as we planned the project for things we may not have thought of and let us choose what we wanted. Couldn't be happier with the entire experience!"
Response time1 day
Recommended by100%of homeowners
Avatar for AirHeads HVAC LLC
AirHeads HVAC LLC
5.0(
30
)
Fixed Generator - Repair

Serving Bethlehem, PA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Excellent and efficient service, on time for appointment, repaired our Generac generator with OEM parts. I've always believed, if you can't explain it simply...you don't understand it well enough. This guy knows his stuff. The technician explained all repairs while making recommendations for future care and preventative maintenance. We understood and felt confident in our maintenance/repair decisions. One stop shop for generator, electrical and heating repair and including oil and propane products. We will be using them going forward for their services. Highly recommended!"
Response time6 hrs
13 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Deshko Services LLC
Deshko Services LLC
5.0(
7
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install - For Business+2 more

Serving Bethlehem, PA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"We had personal EV charging station installed by this business' technician. He is very professional, explained all options how to get wires from main electric panel to the other side of the house where it would be convenient for us to charge the car. Provided all required materials and get job done fast and safely, made sure everything works properly."
33 neighbors recently requested a quote
Avatar for Mister Sparky
Mister Sparky
5.0(
5
)
Fixed Generator - InstallFixed Generator - Repair

Serving Bethlehem, PA and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

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

Gallery
Gallery
Gallery
57 neighbors recently requested a quote
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Generator Install questions, answered by experts

Generally, you’ll want to keep between 60 and 70 feet between the generator and the transfer switch. There are a few reasons for this, including:

  • The distance reduces the noise coming from the generator into your home.

  • It increases efficiency because you won’t have a voltage drop from this short of a distance.

  • Prevents carbon monoxide poisoning: keep at least 15 feet between your generator and an open window. 

An undersized whole-house generator has the potential to overheat and shut down when you try to run a central AC system. This scenario can not only damage the whole-house generator, but can also trip your home’s breakers or cause electrical damage. To avoid this situation, hire a local generator installer to correctly size your whole-house generator.

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.

You may need a permit for a portable generator if you’ll be installing a transfer switch for your primary residence or similar work. Otherwise, a permit for other uses may not be necessary. Check your local building codes or ask a local generator installer for more information about your local regulations.

Portable generators provide backup power for essential appliances during outages and are easy to relocate.

The Bethlehem, PA homeowners’ guide to generator installs

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