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Verified Reviews for Generator Install pros in Clements, MD

*The Angi rating for Generator Install companies in Clements, MD 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 Clements, MD 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 April 21, 2026

Find Generator install pros in Clements

Calvert Generator
New to Angi
Generator - Install - For Business

Serving Clements, MD and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

Calvert Generator 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 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.\n

Response time10 hrs
1 neighbors recently requested a quote
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Avatar for Paradise Construction
Paradise Construction
4.4(
173
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Clements, MD and surrounding areas

In business since 2003

Free estimates

Emergency services offered

"Fine. They arrived within a half hour of the scheduled time. Though they had to run to the store for parts for my installation, the job was performed promptly and professionally."
Recommended by85%of homeowners
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Avatar for Mason Electrical Services
Mason Electrical Services
4.3(
12
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Clements, MD and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"He was on time. He was very professional and informative. He was very knowledgeable. The work was neat and he cleaned up after himself."
Recommended by83%of homeowners
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Power House Electric
5.0(
2
)
Fixed Generator - InstallFixed Generator - RepairGenerator - Install+4 more

Serving Clements, MD and surrounding areas

In business since 2006

Emergency services offered

Credit card accepted

"He was fabulous and did a great job. It was a 20kw generator. He was very professional and came in uniform. He was thorough in discussing my options. He was able to install this in my basement instead of hanging it outside. The main reason why I'd recommend him so highly is that the unit I have is a big generator. I have it setup to run on propane. It turned out that the gas company did not lay the line within the county codes. Jim caught that and notified that. They argued with him, but the county came out and determined that it was potentially dangerous. The gas company had to redo the installation for free. He could of just finished the installation, and I would not have known the distance."
Recommended by100%of homeowners
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Family Business
New to Angi
Generator - Install - For BusinessPortable Generator - Repair

Serving Clements, MD and surrounding areas

In business since 2001

Free estimates

Credit card accepted

We offer over 10 years of experience in the electrical industry. We take on a wide range of electrical projects to include full installation for additions and remodels as well as wiring and panel upgrades and a variety of other jobs. We're committed to providing a personalized service for each individual project we take on & look forward to building strong, long-term relationships with our clients and guarantee your satisfaction.

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Avatar for JW Electrical Service
JW Electrical Service
4.5(
2
)
Generator - Install - For Business

Serving Clements, MD and surrounding areas

In business since 2010

Free estimates

Emergency services offered

JW Electrical Service, master electrician committed to excellence in every aspect of our business. You can count on us for all of your home electrical needs. From standard maintenance, to installations to security cameras. Please give us a call today or click book now for an instant appointment.

OUR WORK
OUR WORK
OUR WORK
OUR WORK
Response time1 day
Recommended by100%of homeowners
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Power House Electric
2.0(
13
)
Fixed Generator - InstallGenerator - Install - For Business

Serving Clements, MD and surrounding areas

In business since 2006

Free estimates

Credit card accepted

Since 2006 Power House Electric has been your best choice for electrical services. From residential remodeling, new construction and service to commercial and industrial applications, our experience and attention to detail sets us above the rest. We work evenings and weekends at no additional charge to our customers. If you are interested in a standby generator, we are a Generac factory authorized dealer/installer and service contractor. Call us today!\n

Recommended by91%of homeowners
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Generator Install questions, answered by experts

As a safety measure, you should always turn off the main breaker while operating your generator’s backup breaker. In addition, you should also switch off all appliance breakers so you don't have a power surge when the main breaker turns back on. And finally, turning off the main breaker prevents back-feeding, which endangers utility workers with the risk of electrocution. Back-feeding could also destroy the electrical circuits of your neighbors if they use the same power network.

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.

To power a central air system during a power outage, the whole-house generator will need to be at least 5,000 watts, and this number will significantly increase for larger units. Check the specific wattage requirements of your AC unit to choose the right generator size. Consider consulting a generator installer to ensure your whole-house generator meets your electrical load needs.

It is safe to run a generator continuously, but you must follow safety protocols to ensure personal and home safety. Read the manufacturer’s instructions for specific recommendations, but the general recommendation is to turn generators off overnight or when you’re away from the house. Overworked generators can pose a fire hazard and if your generator is not in a well-ventilated area, running it continuously could lead to carbon monoxide poisoning.

Sizing a generator is a careful process that requires calculating the electrical load of your entire house. You have to take into account every device you want to use and their wattage requirements, plus the wattage needed to start them, and look for a generator that can safely run all that at around 80% capacity.

In more practical terms, a small home can run on a 10,000-watt generator (and if you only want to power a few key appliances, much less than that). A mid-sized home may need something between 15,000 and 22,000 watts. Larger homes require 25,000 watts or more. 

The Clements, MD homeowners’ guide to generator installs

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

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