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J4 Energy Solutions

About Us

J4 Energy Solutions is a local family owned business that is proud to give back to its communities by reducing and eliminating energy bills for both homeowners and businesses. Our services help you save money on your energy costs to put more money back in your pocket!
J4 is a certified home improvement contractor servicing the east coast.

We serve Maine and New Hampshire

Frequently recognized for integrity and reliability.

Licensed energy installers in multiple states down the east coast.



Whole Home Energy Solutions

Drastically reducing your energy costs is the best solution! We install ductless heating systems that reduce heating and energy costs as well as high efficiency solar cell panels that make up a powerful and efficient solar array for your home.

Brands we install: Q CELLS, REC , Solaria, LG Solar





Generac Installation

People choose to update their home with a generator back up power for many reasons: Comfort, Security and Convenience during a power outage. A home backup generator delivers power safely to your home’s electrical system, backing up your entire home or just the most essential items.


Our licensed electricians provide a generator installation from start to finish exactly the way you want it!


We take care of all town paperwork (permits, HOA paperwork, etc. so you don’t have to worry.

Generac trained team

All of our generator specialists have been factory-trained by Generac on the installation of their products.


Heat Pumps


Mitsubishi ductless heat pumps

Get rid of those inefficient heaters and window air conditioners We’ve got you covered on a heating and cooling energy solution. Ductless heat pump air conditioning is the way to go with the ultra efficient design it costs you much less to operate. Easy to use, easy to maintain, and never worry about taking up window space again or long running cords. We even have a FREE estimate where we’ll come out to you! Contact us today for more information!

Rebates and Financing Available!

  • Low-cost heat The cost of heating with a heat pump is roughly half that of using oil, kerosene, propane or electric baseboard.
  • Ultra Quiet fans on both indoor and outdoor units.
  • NO heavy lifting each year taking air conditioners in and out of windows


Our Projects