Our Generators are more Affordable than you think.
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  • Whole House Generator
    Starting at $125 per month
  • #1 in Emergency Home Generators
    Installation, Financing, Monitoring & Service
  • Keep her safe and warm
    ...through the storm
  • Latest Technology
    Whole Home Generator
    Installed in 1 day
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#1 in Emergency Generators

Certified & Authorized Dealers.  At Colonial Generators we only focus on one thing – Generators. We carry only the best generators from Cummins, Generac and Kohler.  We  are certified and authorized dealers and guarantee the lowest price on every generator.  We sell generators all over the U.S. and we can install, service and monitor standby generators in all Mid Atlantic and Northeastern States. Our installation crews have installed over 1,000 generators and our job is to make the process of getting a generator easy and painless.

Sales & Installation.  Colonial Generator experts will help you choose the proper size generator for your home or business.  We carry every size generator from 6kW to 150kW – and larger for commercial properties.  Our expert engineers and installation team handles plumbing, electrical, permitting – we guarantee 100% satisfaction.

Expert Generator Installation.  We have one corporate location – 473 S. Henderson Rd, King of Prussia, PA 19406. From this location our crew can install and service Pennsylvania and New Jersey. We offer free quotes and will beat any advertised price.

Colonial Generators, a part of the Colonial Home Services Family, is a leading emergency home generator installation company. Colonial makes the process of purchasing, designing, installing and monitoring simple and easy. With one call – you will have your home and family protected with state-of-the-art technology and superior service.
Authorized Dealers
Generac Generator
Whether it's a standby power system for a large data center, a backup generator powering the family home through an outage...
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Kohler Generator
Kohler Generators
Our company’s founder, John Michael Kohler, was an Austrian immigrant, a businessman and a visionary...
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Cummins Generator
Cummins Generation
Cummins Power Generation is committed to providing products that minimize their impact on the environment...
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Best Generator Company Serving Pennsylvania and New Jersey

Welcome to Colonial Generators — your premier resource for emergency power! With a team of expert generator contractors and longstanding partnerships with leading manufacturers, you can entrust us to outfit your home, business, or vehicle with the best generator for your needs. Our mission is to make the process of getting standby power painless — and with a vast distribution network of certified generator professionals, we can guarantee it.

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A Vast Selection of Today’s Best Home Generators

Our generator dealer works with only the very best in emergency power products, including:

Whether you are upgrading your older, malfunctioning generator or want contractors to install a top-of-the-line generator to your home for the very first time, you can count on us to consult you on models that fit your lifestyle, budget, and power needs.

Certified and Authorized Generator Dealers

We are certified and authorized generator dealers, making us a trusted source of reliable, quiet, powerful products from renowned brands. With generators and their components in stock and a fleet of service vehicles, we are prepared to not only recommend your next home generator — but carry on a partnership with you by deploying comprehensive services to make sure your system is up to date and fully functional.

Generator Installation

Whether you’re in a home, operating a business, or out on the open road, our generator installation company will meet you right where you are! From delivery to final hook-up, you can trust our team to execute superior generator installation.

Generator Repair

While generators are designed to kick on when you need it the most, like any appliance, it requires servicing. When things go wrong, our contractors will diagnose the cause of the issue and take steps to get you back up and running. Additionally, our team will conduct thorough periodic inspections of your generator and its components to ensure you aren’t suddenly left without power due to wear-and-tear.

Emergency Generators for Sale

Our extensive lineup of emergency whole-home generators for sale truly has something for every family, budget, and residence. Our emergency generators for sale aren’t exclusive to a building in the ground, either — we have products for mobile vehicles, including RV generators for sale!

Life, Uninterrupted: The Colonial Generators Promise

When you partner with our generator company for installation, repair, or maintenance of your home or mobile emergency generator, you can rest assured you’re putting the matter of your power in the right hands. We place a tremendous amount of care in helping you and your family feel comfortable and protected in the event of an outage or other emergency — all at an affordable price!

We proudly serve communities throughout Pennsylvania and New Jersey, including:

  • Philadelphia
  • Bucks County
  • Berks County
  • Lancaster County
  • Chester County
  • Montgomery County

For more information about our generator dealer or to buy a generator online, reach out to Colonial Generators today!