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Webpage for finding all the information you need to start shopping for ENERGY STAR certified products, including product details, rebates, and retailers near you.

A document providing guidance on integrating a PV array with a roof system.

Website with consumer and contractor information about building codes and regulations for solar water heating systems.

2021 edition of code establishing minimum regulations for plumbing facilities, including fixtures, water heaters, water supply and distribution, sanitary drainage, storm drainage, etc.

IECC code note explaining new fan efficacy requirements, along with how to determine which fans are affected by the new fan requirements.

2015 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

2018 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

The Technician's Guide equips practitioners with the knowledge to properly implement all of the measurement procedures required in the HVAC QI Specification.

Report assessing building codes for the 18 Atlantic and Gulf coast states which are most prone to hurricanes, as of 2018.

Code describing energy codes for energy-conserving and compliant designs in Florida.

Standard outlining industry procedure for sizing residential duct systems.

Homepage for NREL research, support, and deployment information for the safety and health of workers, visitors, the public, the environment, and laboratory assets.

2009 edition of code establishing minimum regulations for mechanical systems, including heating, cooling, ventilation, exhaust, ducts, fireplaces, combustion and hydronic systems, using prescriptive and performance-related provisions.

RESNET standards aimed to ensure that accurate and consistent home energy ratings are performed by accredited home energy rating providers through their raters nationwide.

Standard providing a procedure for determining fenestration attachment product U-factors.

Website article touring areas hit hardest by tornadoes to see how they are building differently to protect against the next big twister.

Website providing certified rating programs to help manufacturers, builders, contractors and homeowners compare performance of ventilation products for air flow, sound, and other performance characteristics.

2021 edition of code establishing minimum regulations for mechanical systems, including heating, cooling, ventilation, exhaust, ducts, fireplaces, combustion and hydronic systems, using prescriptive and performance-related provisions.

Webpage describing federal regulation related to excess flow valves on residential natural gas lines.

A fact sheet educating homeowners on the importance of residential safe rooms, including their cost and how to register a safe room with local officials.

Fact sheet discussing designs for prefabricated safe rooms built to ICC 500 standards mentioned in FEMA P-361.

Guide discussing the siting of residential and community safe rooms at appropriate elevations and locations.

2012 edition of code establishing a baseline for the design and installation of fuel gas systems and gas fired appliances through performance requirements.

Standard providing a universally accepted definition for quality installation for residential and commercial heating, ventilating, and air conditioning applications.

2019 version of the California Residential Code.

Fact sheet that details the steps needed to perform a combustion appliance safety inspection to determine if fossil fuel-fired appliances are operating safely under a depressurized condition.

Standard outlining materials and installation methods for a liquid-applied vapor permeable air barrier systems located in the non-accessible part of the wall.