About
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Contact Information
| Phone | (631) 750-9454 |
|---|---|
| Address | 171 Remington Blvd, Ronkonkoma, NY 11779, USA |
| Website | https://www.sunation.com/ |
| Location | 40.7900923, -73.1307342 |
Opening Hours
| Monday: 9:00 AM – 5:00 PM |
| Tuesday: 9:00 AM – 5:00 PM |
| Wednesday: 9:00 AM – 5:00 PM |
| Thursday: 9:00 AM – 5:00 PM |
| Friday: 9:00 AM – 5:00 PM |
| Saturday: 9:00 AM – 3:00 PM |
| Sunday: 9:00 AM – 2:00 PM |
Categories / Tags
Reviews
I had an excellent experience going solar with Sun Nation, a big part of that was Dave LoMonaco, who oversaw the entire project from start to finish.
From day one, Dave went above and beyond what was needed. He was extremely honest, knowledgeable, incredibly friendly, and never pushy at all—just very easy to work with. I had a long road from start to finish, but he made the entire process extremely, extremely easy and stress-free.
The installation crew was just as impressive—professional, efficient, and very clean. They worked quickly while paying attention to detail, and left everything neat when the job was done.
Communication throughout the project was excellent, and everything was handled smoothly from planning to final setup. You can tell Dave truly cares about his customers and takes pride in his work.
I highly recommend Sun Nation and especially Dave LoMonaco if you’re considering solar—you’ll be in great hands.
I had a great experience with SUNation Energy through the entire process. From the initial proposal through to close out and permitting, they were a pleasure to work with. I had my solar panels and Tesla Powerwall installed in early December 2025. John M did an excellent job with the installation. He and his crew were very professional and did an excellent job communicating through every step of the process. The solar panels look great and are working great. SUNation made the whole process easy and I can't recommend them enough.
Had my solar installed this weekend 11/29/25. Steve and his team arrived on time and worked so efficiently they were done mid afternoon. Every step was explained to me, a checklist at the end ensured everything was completed. You can barely notice the panels on the back of my home! From the first contact to the final install I was kept informed at every step. I highly recommend SUNation Energy if you are considering solar.
Very satisfied with the service and results. My sales rep Cameron was always quick to respond to my questions even after the panels were installed. My monthly utilities bill went from $300 to $20 a month. Great professional company to work with!
SUNation Energy really surpassed my expectations! From beginning to end, Dave and the team at SUNation treated my family with the utmost respect and consideration. Dave took the time to explain so many things to me as I was just fairly uneducated on solar but knew it was the right move. As a new homeowner, I felt totally reassured and even now if I have a question he doesn’t hesitate to lend info right away. That’s just great customer appreciation and the hallmark of a good company. The work was done expertly, from speaking and meeting with their roofing contractor Jack (who is just an absolute professional and I would consider working with him outside of this process), all the way through the panel install and the subsequent meet to help me understand how everything should work. They even worked with me to help have a tree removed that impeded the coverage on my roof, solving issues to get the job done! The process is pretty seamless, done quickly, and as the customer and homeowner you really have nothing to worry about. The products are warrantied well, and SUNation really stands behind their work. I would, and I already am, referring SUNation for anyone who is looking to get into solar. Working like a charm for us so far!