
What Makes September So Challenging For Off-Grid Solar Homes?
On September 18, an off-grid home in Southwest Florida burned almost three hours of generator fuel before sunrise. Then, starting at two in the afternoon, the solar array was throttled
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Florida Solar Design Group stands out as the premier solar panel contractor and installer in Southwest Florida, prioritizing education and consultation for solar electricity, grid-tied battery backup, off-grid solar solutions, and innovative solar pool heating strategies.
NABCEP Certified PV Installation Professional (PVIP)
Top Solar Electricity & Solar Pool Heating Dealer
Jason Szumlanski, the only NABCEP Certified PV Installation Professional (PVIP) in Southwest Florida, epitomizes industry standards with his deep knowledge, lengthy experience, and business integrity.
Dominick’s extensive solar consulting experience ensures precise product selection for our customers’ energy needs, with a focus on finding the right solution for the client’s specific situation.

Solar panels can power your entire home or reduce your electricity bill by offsetting utility usage, saving you money year-round with or without battery backup.

Grid-interactive solar needs battery backup during low solar output. Compatible batteries offer uninterrupted power solutions.

Solar panels and a heat pump can efficiently heat a pool, saving money and reducing carbon footprint.

Solar panels warm your pool economically all year, providing comfortable water temperature as it passes through, without added costs.













On September 18, an off-grid home in Southwest Florida burned almost three hours of generator fuel before sunrise. Then, starting at two in the afternoon, the solar array was throttled

A few months back, I was standing in a client’s garage staring at a platform that had just been built. A proper mezzanine-style base, engineered to raise his battery system

We had a client ask us to provide a flowchart of how the energy flows through a Powerwall 3 system, so we built this simulator. You can play with different

A client emails me and says a couple of their solar panels look like they are slacking. Most of the time, they are right that something is off. What they

Tesla has discontinued the Solar Roof. Installers were told the glass solar tiles are no longer available to order, and the company will supply conventional solar panels going forward. The

Every few months, someone contacts us looking for a DC direct solar pool pump. Panels on the roof, wires down to a DC motor on the pool pad, no battery,

Hoymiles just released the HiFlow Pro, the first plug-in solar microinverter in the United States certified to UL 3700. That is a real milestone, and I am glad it happened.

That 25-year warranty printed on your solar panel proposal is one of the biggest selling points in the whole pitch, and in practice, it is close to worthless. I have

If you own a Tesla Powerwall and your battery spends its nights discharging down to 20% while your solar panels spend their days refilling it, you are losing money. This

There is a story going around that FPL’s time-of-use rate is a money printer. The pitch is simple. Add a battery, buy power for almost nothing overnight, and stop paying
The team were all dialed in. Prompt service and accurate timeline. Best price around. Very highly recommended.
I can describe my experience in one word - Awesome. I wanted a local company with longevity and I got it. No subcontractors just an experienced owner and... ... employees. They very responsive and were extremely helpful through the process.
A very professional and knowledgeable service throughout. I have worked with a lot of contractors and this company is first rate. I thoroughly recommend anyone considering Solar to them. Prices... ... were competitive and they respond immediately to any communications.
I am writing to highly recommend Florida Solar Design Group. My wife and I had a new system installed recently by another installer. It uses Enphase inverters and includes an... ... app to track system performance. We began to realize that the system probably wasn't performing correctly and reached out to our installer. Who ignored our repeated calls and emails. Over a frustrating few weeks we learned that our installer had cut corners. Looking for the best way forward, we contacted Florida Solar Design Group. Jason Szumlanski returned my initial call to their office within an hour or so. He is easy to talk to because he listens well and then responds clearly and directly to what he hears. He is intelligent, articulate and informative and his expertise became clear very quickly. After about 10 minutes of talking, Jason said that he was pretty confident that he understood the problem and the solution, and he said he would call me back soon. Within the hour, he called back and confirmed that he had been able to tweak our system remotely to correct the issue that we had identified. He then explained that we would be wise to have him look over the install to ensure that there were no other problems. He said that he would not charge for his time, only for materials that might be needed. We agreed (of course!) On site, Jason assured us that the installer had provided a good system, but he also showed us how the workmanship was somewhat sloppy and that it also revealed their lack of experience with the Enphase equipment. Spending about two hours on site, Jason reinstalled the consumption metering hardware, double checked the rest of the install and then completed the software update so that the system was, finally, fully functional. I am very grateful for Jason's assistance. More than that, I am amazed that he took the time to do this, for free, simply because he wanted to help. From the beginning of our first phone call to the end of his visit to our house, his intention was to solve our issues. The whole experience was amazingly good: he returned calls just as promised, he arrived at our house on schedule, he was thorough on site with great attention to detail, and through it all he was efficient but unhurried, committed to quality, informative and pleasant. I urge anyone who is looking into solar installations to include Florida Solar Design Group in their list of people to speak with.
Hello, my name is Drew and I live in Naples, FL. I wanted to provide a review of my experience having a photo voltaic energy system installed. The system I... ... had envisioned included a ground mount system with 32 solar panels, 3 Enphase batteries for storage and an existing whole house generator redundant backup. I was having difficulty with the sub-contractor who was installing my system, a Lotus something out of the Orlando area. Things were progressing very slowly if at all. I had mentioned this with my neighbor who called me over because she had a “solar guy” looking to fix her system as well. I met Jason of Florida Solar Design Group. He told me that he had 13 years experience working with Enphase systems. He offered to look at my system even though I was under contract with another company. After listening to Jason’s comments, I called my contractor and to my surprise, they knew each other. To make a long story short, Jason was hired to replace the existing sub-contractor. He corrected the wiring issues: the sub-contractor had removed all the color coded wiring to the generator and replaced them with all black wiring that were hooked up incorrectly and caused the fuse to trip every time the generator was tested. It also burned out the circuit board on the generator. He worked directly with my Generac dealer to ensure that everything was corrected. He also worked with Enphase to set up my system’s communication with Enphase and see that it worked properly. My takeaways from this experience is deal with someone who gives honest advise and stands by their word. Thank you Jason.
We are extremely happy with our complete dealings with Florida Solar Design Group. From the initial contact to the completed job (with Lee County electrical inspection, passed first time... ... with no issues). Definitely a first rate contractor. Do not hesitate to consider this company for your solar system installation.
Great quality, informative company!
The Florida Solar Design Group installed our rooftop solar system to power our new headquarters building. Their staff were very helpful, courteous, and professional. They handled our project from start... ... to finish and we could not be happier with the install. I highly recommend the Florida Solar Design Group. - James
Florida Solar Design was an amazing company to work with. They helped me with my current solar system issues (NOTE: They did NOT install my current system) and did so... ... with enthusiasm and wonderful expertise. I recommend them as a highly knowledgeable, ethical, professional and top solar company with whom to do business.
I am not sure I can fully convey my satisfaction with Florida Solar Design Group and its owner Jason, but I will try. I began my solar 'adventure' while... ... constructing my new house, I thought I could 'do it myself' after all I was building my own house. Long story short after purchasing panels and inverter online and keeping them in storage before I was anywhere near to starting I wisely decided its not a DIY project, at least not for me. I wish to share my full experience, but not everyone maybe interested, if you feel inclined read on to the end. When looking to install Solar at a minimum do yourself a favor and speak to Jason. I highly recommend speaking with him after (or better - before) any sales pitch from another vendor - he will not give you a 'sales pitch' he will listen to your wants, tell you what is possible and at what cost. What is 'realistic' and what isn't. I think we have come to expect that solar is just something easy to do, slap some panels on a roof and your golden, but if you want more than just something offsetting your power, like solar power when we lose power (and who doesn't want that in SWFL) battery backup etc. it gets pretty complicated quickly. Experience and knowledge matters, not everyone can do it or has gained the knowledge to do it SAFELY. From my experience with Jason he has probably forgotten more stuff than some other installers even know, and his crews have many years of experience also. Always call Jason & FSDG you will learn a lot - and learning and being knowledgeable is very important when going solar to make sure you have a satisfactory experience and no regrets. So now for the full story of my install, Back in May of 21 I reached out to some installers and Jason was 1 of 2 that came to my construction site. I was immediately impressed with Jason's knowledge and he was frank and honest about what I had purchased, what was 'missing' (a fair bit) and what I could expect, of course this was less than my initial expectations. We kept in touch as the house was built, I sent some equipment back and with Jason's instructions ordered some other parts. My house construction was not going the smoothest (covid etc.) and the electrician just wasn't understanding what my plans were but we had sold our old home and needed to move in quickly so we finished up the house 'standard' then after another meeting with Jason came up with an electrical plan for what we really wanted which included adding panels for a larger system (my first pool home and I had no idea what those suckers run especially when heating them). After some further delay (NOT FSDG related) about a month ago we were ready for Jason and his crew. Jason came back out again (I think that may have been 6th time and there were countless emails) to confirm everything was ready and all the parts (his and mine) were ready, he got us on his schedule almost immediately. On a very hot Monday one crew ran the wiring in the attic while another was on the roof setting up and wiring the racks. It was a REALLY hot day on a metal roof, the wiring and inverter were ready to go but it was just too hot (southern and western exposure of course) to finish in one day - the poor guys probably lost 10lbs in water weight. Next morning bright and early they were back to finish the panels 50 of them in total. Jason came by a little later to supervise the final installing and hook ups and to make sure everything was right then by 12:30 he allowed me to turn it on - I don't think I have ever been happier to do almost nothing - its kind of surreal seeing the screen on inverter showing solar power and no grid power coming in. No noises of machinery, no bells and whistles just silent power to run all the other noisy stuff. I have batteries for partial backup and I look forward to figuring out my usage and getting ready for when I know the power will go out at some point - I am ready and in no small part thanks to Jason and FSDG. Thank you Jason & FSDG
Super company! The customer service couldn't have been better. They made everything run smoothly and were very responsive to any of our questions.
I spent considerable time researching and designing my ideal solar + battery system and then reached out to 7 local solar installers. It turned out that 5 of them did... ... not have the expertise required to do what I wanted. The remaining 2 both seemed professional enough and gave me similar quotes, but it was Jason who really proved that Florida Solar Design Group was the right choice for me. There was no pressure and it was clear that he was extremely familiar with the specific hardware I wanted to use. He was also very patient and willing to educate me about how to operate everything. It has been about a week since everything has been completed and I couldn't be happier. I can power my entire 2500sqft house from battery for many hours during the night and then recharge using solar during the day.
Jason and his team are excellent I highly recommend this company they are the best in the buissness
Met with Dominick and went over a quote for complete solar system. Met with Jason afterwards and went over project. Project was installed when promised. Went over new system with... ... Jason and he explained everything. Very impressed with the professionalism of there installing crew and the quality of work. Definitely recommend Florida Solar Design Group!
We were so lucky to find Florida Solar Design Group. They are professional, courteous and clean up all the mess ( not that they made a mess). After the initial... ... installation, it wasn’t “take the money and run”. I, of course, had more questions and the owner came to my home to go over all of it again. That’s a plus in my book. I highly recommend this company 100%
Great system, and great people who continue to respond in a timely manner to all questions.