The contents of this Section, including all opinions and other postings, are offered for informational purposes only and should not be construed as legal or tax advice. You should consult directly with an attorney or accountant for individual advice regarding your particular situation.

Federal Investment Tax Credit for Solar Thermal Products

The federal Investment Tax Credit (ITC) provides for tax credits for various renewable and energy efficient products in residential applications in some cases. Solar Water Heating equipment is addressed by this credit, which requires the product to be "certified for performance by the nonprofit Solar Rating and Certification Corporation or a comparable entity endorsed by the government of the state in which the property is installed." (2016 IRS Instructions for Form 5695, Cat. No. 66412G PDF Icon). For more information consult the IRS Instructions for Form 5695 PDF Icon, IRS Instructions for Form 3468 PDF Icon and a qualified tax professional. Additional resources are provided below.

Database of State Incentives for Renewables & Efficiency (DSIRE)

DSIRE is the a comprehensive online source of information on incentives and policies that support renewable energy and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University and is funded by the U.S. Department of Energy. DSIRE contains information on many regulations and incentive programs for solar heating and cooling technologies, most of which reference SRCC OG-100 and/or OG-300 certification. The easy-to-use website allows users to seek out programs applicable to their U.S. state and technology and application of interest. Click here to learn more about DSIRE.

ICC-SRCC™ Overview of Overheat & Freeze Protection in OG-300 Certified Solar Thermal Water Heating Systems

Created by the Solar Rating and Certification Corporation (ICC-SRCC™), the document provides a review of various methods of for protecting solar thermal water heating systems from freeze damage or damage caused by extremely high collector temperatures in no-flow conditions (known as stagnation).

EPA ENERGY STAR® Residential Water Heater Program - Solar Water Heaters

The ENERGY STAR program was established by EPA in 1992, under the authority of the Clean Air Act Section 103(g). Section103(g) of the Clean Air Act directs the Administrator to "conduct a basic engineering research and technology program to develop, evaluate, and demonstrate non-regulatory strategies and technologies for reducing air pollution." In 2005, Congress enacted the Energy Policy Act. Section 131 of the Act amends Section 324 (42 USC 6294) of the Energy Policy and Conservation Act, and "established at the Department of Energy and the Environmental Protection Agency a voluntary program to identify and promote energy-efficient products and buildings in order to reduce energy consumption, improve energy security, and reduce pollution through voluntary labeling of or other forms of communication about products and buildings that meet the highest energy efficiency standards." The EPA ENERGY STAR® Residential Water Heater Program took effect in 2009 for most of the current product types.

Natural Resources Canada (NRCan) Energy Simulation Tools

Natural Resources Canada has developed and maintains energy simulation tools for low-rise residential buildings. The software was designed to support the EnerGuide Rating System, ENERGY STAR for New Homes and R-2000 energy efficiency programs. NRCan also supported the addition of Canadian One-Day Ratings to most ICC-SRCC™ OG-300 system certifications. This value, which is based on the conditions established in the CAN/CSA F379 Series-09 (R2013) - Packaged solar domestic hot water systems standard.

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