COMFORT STARTS HERE
Mini splits, boilers, furnaces & oil burner service — installed right, the first time.
HEATING SOLUTIONS YOU CAN TRUST
Expert boiler and furnace installation backed by transparent pricing and real craftsmanship.
STAY WARM ALL WINTER LONG
From mini split heat pumps to oil burner repair — we keep New Hampshire homes comfortable year-round.
OUR SERVICES
Full-service heating and cooling for NH & Southern Maine homeowners and contractors.
HOW IT WORKS
Free Site Inspection
We visit your home, assess your heating and cooling needs, and design a customized system based on your home's size, layout, and budget.
Professional Installation
Our certified technicians install your system with precision — clean, code-compliant, and built to last. We treat your home like our own.
Startup & Support
We test every component, walk you through your new system, and provide full documentation. We're here for you long after installation day.
ABOUT US
Atlantis Energy is a veteran & family owned company. We're committed to delivering top-tier heating and cooling systems at a strong price point, backed by trusted manufacturers. Our team goes the extra mile to ensure customers not only get the comfort they deserve but also understand the process every step of the way. We treat every home as if it were our own.
WHAT OUR CUSTOMERS SAY
“From outstanding customer service to absolutely amazing installs. They got us into their schedule in just a few days and installed two mini splits for us in one day. Hands down the best pricing.”
Michael Hazeltine
Dover, NH
“I used Atlantis Energy for my annual system cleaning and maintenance. The technician was very respectful and pleasant. The price was fair and service prompt. Great way to start a new business relationship.”
Debra Straussfogel
Portsmouth, NH
“Patrick and his team are an exceptional organization to collaborate with. They were incredibly easy to work with and provided affordable pricing. Highly recommend!”
Jan Gentille
Rochester, NH
“Atlantis Energy did a fantastic job installing our mini split system. Professional, on time, and very knowledgeable. The team was courteous and cleaned up after themselves.”
William Cote
Somersworth, NH
SERVICE AREA
Proudly serving homeowners and contractors within 25 miles of Dover, NH (03820) — including these communities:
Don't see your town? Call us — we may still serve your area.
Call (603) 738-0698GET A FREE QUOTE TODAY
Looking for cost-saving heating and cooling solutions in New Hampshire or Maine? Contact us today and find out how we can help you achieve ultimate comfort and energy efficiency.