Residential Systems
Custom-sized solar hot water systems for single- and multi-family homes across Long Island.
Learn more American-Made Solar Thermal
Solar Hot Water — Long Island's Original Experts
Cut your water heating bill by up to 80% with a custom-designed solar hot water system. Sunshine Plus Solar has been installing solar thermal on Long Island since 1982.
80%
Bill savings
25 yr
Collector life
1982
Established
Made in USA
Equipment
Solar Thermal Since 1982
Free hot water for every Long Island home
Solar hot water is one of the fastest-paying-back energy upgrades you can make. We design each system around your household and your existing plumbing.
Freeze-Protected
Closed-loop glycol systems engineered to perform reliably through Long Island winters.
Learn moreBackup Compatible
Seamlessly integrates with your existing gas, oil, or electric water heater for 24/7 hot water.
Learn moreClean & Sustainable
Cut CO₂ emissions by thousands of pounds per year while reducing your dependence on fossil fuels.
Learn moreServicing Long Island, NYRequest a Quote
Benefits of Solar Hot Water
Water heating is often the second-largest energy expense in a home. A solar hot water system offsets most of that load with clean, free sunshine—paying back faster than nearly any other efficiency upgrade and cutting thousands of pounds of CO₂ every year.
80%
Bill Reduction
Cover up to 80% of your annual water heating needs with free solar energy.
40+
Years Experience
Long Island's original solar contractor—solar thermal since 1982.
25 yr
Collector Lifespan
High-efficiency SRCC-rated collectors built to last decades.
Why Long Island Trusts Us
Solar thermal expertise since 1982
We started with solar thermal—so we know these systems inside and out. From design and permitting to plumbing and startup, our team delivers a hot water system built to last.
American-Made Equipment
SRCC-certified collectors and storage tanks from trusted U.S. manufacturers—built to last in Long Island weather.
Real Utility Savings
Hot water is one of the largest energy costs in most homes. Solar hot water pays back faster than almost any efficiency upgrade.
Full-Service Install
We handle design, plumbing, roof work, permitting, and controller setup—all under one roof.
Our Process
Our 5-Step Hot Water Approach
From consultation through commissioning, every step is handled by our in-house team.
01
Consultation
We evaluate your hot water usage, current fuel, and household size to size the right system.
02
Design & Site Evaluation
Roof pitch, orientation, and mechanical room layout are reviewed to design the ideal system.
03
Permitting
All permits with your local town or village are handled by our team.
04
Installation
Collectors, storage tank, pump station, and controls installed by our licensed crew.
05
Monitoring & Support
System commissioning, walkthrough, and ongoing local support you can actually reach.
Solar Hot Water Incentives
Real savings from state and federal programs
Stack incentives to dramatically reduce the cost of your solar hot water system.
30%
Federal Tax Credit
Claim 30% of your total solar hot water system cost as a federal Residential Clean Energy Credit.
$5,000
NYS Solar Tax Credit
New York State solar tax credit applies to qualifying residential solar thermal systems.
80%
Utility Bill Offset
A properly sized system typically covers up to 80% of annual water heating demand.
FAQ
Frequently Asked Questions
Roof-mounted solar collectors heat a fluid that circulates through a coil in a well-insulated storage tank. That tank pre-heats water going into your existing water heater, so your backup heater has to work far less—or not at all—on sunny days.
Areas We Service
Hot water systems across Long Island
Sunshine Plus Solar installs residential and multi-family solar hot water systems throughout Nassau and Suffolk County.
- Free on-site hot water evaluation
- American-made SRCC-certified collectors
- Freeze-protected, closed-loop designs
- 30% Federal Residential Clean Energy Credit eligible