Solar Water Heating - Business


Go solar, California, and save money in the long-run. There isn't a more abundant energy source than the sun, and when you install a solar water heating system with natural gas back-up, you’re benefitting from a cleaner and greener water heating system. You can take advantage of big savings with rebates on qualifying solar water heating systems for your business today!

  • Reduce the cost of heating water in half
  • Generate hot water for your home and business in a cost effective way
  • Can be used in any climate
  • Reduce hot water operating costs up to up to 90% by using the sun's energy
  • Save up to 40% of natural gas used to heat water
Consumers are advised to calculate estimated payback times, if that is an important consideration in the decision of whether to install a solar thermal system. The following U.S. Department of Energy website contains a useful guide for comparing costs and determining payback times:
Program Rebate Amount Equipment Requirements
Business up to 40% or $30,000 Collector must be OG-100 certified.

*Equipment must be installed by a Qualified Contractor. For information regarding selecting a Qualified Contractor or to become a Qualified Contractor,  click here .

Please review the rebate application for additional requirements and full terms and conditions.

This program is funded by Southwest Gas Corporation's California customers and administered by Southwest Gas Corporation. This program has been reviewed and approved by the California Public Utilities Commission. This program may be modified or terminated without prior notice and is provided to qualified customers on a first-come, first-served basis until program funds are no longer available. Eligibility requirements also apply. Southwest Gas Corporation does not make any warranty, express or implied, or assume responsibility for the accuracy, completeness, or usefulness of any information, estimated savings, and benefits attributed to the products that qualify for this program. Reference to any specific product, project, or service by manufacturer, trade name, trademark, or otherwise does not constitute or imply its endorsement, recommendation, or favoring by Southwest Gas Corporation. To qualify, equipment must meet technical requirements and be installed according to local building codes and ordinances and/or manufacturer's requirements. If you have questions visit or call 1-800-654-2765 to confirm eligibility before purchasing products.

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Need More Info? Download our current rebates brochure, see what models qualify for rebates or find a printable application you can send in by mail.  You can also call an Energy Specialist at 1-800-654-2765.