#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
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 Generators
Our company’s founder, John Michael Kohler, was an Austrian immigrant, a businessman and a visionary...
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Cummins Generation
Cummins Power Generation is committed to providing products that minimize their impact on the environment...
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