Master Dealer Spotlight: Stilwell Solar

Aquatherm Industries started the Master Dealer Program in 1993, in an effort to distinguish Dealers that consistently adhered to a higher standard of sales achievement, installation quality, and customer satisfaction.  With just over 40 Master Dealers nationwide today, the distinction is truly an exclusive honor.  Aquatherm Master Dealers are the most skilled of their kind, and respected throughout the industry for their craftsmanship.  Each month, we take a closer look at one of our Master Dealers…



Stilwell Solar of Estero, Florida has been serving the Southwest FL area (including Collier, Lee and Charlotte counties) for nearly three decades. As Aquatherm’s 3rd oldest Solar Industries® Dealer, Stilwell Solar has helped thousands of satisfied pool owners enjoy a longer, more comfortable swimming season with free heat from the sun.

Bill Long, President of Stilwell Solar, has a simple business philosophy: “Do what’s best for the customer. Identify the best solution for their needs and budget.”  To that end, Stilwell Solar carefully assesses each residential or commercial site in order to get their customer the highest return with the most efficient use of energy.

Stilwell Solar offers high performance solar water heating systems, energy efficient pool heating systems (solar, heat pump, and gas), and top of the line solar electric systems to residents, businesses, and builders.

“State of the art products, superior design and craftsmanship, and 30 years of experience are what set Stilwell Solar apart from the competition,” says Long, who was the #1 Solar Industries Salesman in the country in 2013.

“Our solar and pool heating systems are designed for aesthetics, efficiency, longevity, as well as the highest safety and environmental standards.”

Stilwell Solar has a showroom on US 41 in Estero, which is open to the public, as well as a pool supply shop called Splash Zone just next door for all your swimming pool needs, including chemicals, equipment, Sundance spas, grills, and parts for spas & pools.

Stilwell Solar is online at


  • State Certified Solar Contractor License #CVC56669
  • State Certified Pool/Spa Contractor License #CPC1457878
  • State Liquefied Petroleum Gas Specialty Installer License #25679


20778 Estero Court
Estero, FL 33928

Naples 239-566-7906
Bonita / Estero 239-495-5988
Fort Myers 239-481-8300
Cape Coral 239-772-0236
Punta Gorda 941-624-3373
Port Charlotte 941-624-3373