Title 24 Residential new construction buildings solar

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Title 24 Residential-New Construction

Title 24 requirements for residential new construction include:

Building envelope: Title 24 sets standards for the building envelope, which includes the walls, roof, windows, and doors of the home. These standards require that the building envelope be properly insulated and sealed to prevent air leaks and heat transfer. windows and doors, must meet specific U-factor and Solar Heat Gain Coefficient (SHGC) ratings as required in Building Energy Efficiency Standards. The Windows U value and SHGC is dependent on the applicable California climate zone. 

Heating, ventilation, and air conditioning (HVAC) systems: Title 24 requires that HVAC systems meet specific energy efficiency standards, including a minimum Seasonal Energy Efficiency Ratio (SEER) rating for air conditioners and a minimum Annual Fuel Utilization Efficiency (AFUE) rating for furnaces. Title 24 also requires that HVAC systems be properly sized and installed to ensure optimal performance. also, title 24 require multiple verification when installing HVAC systems in residential, this includes duct distribution, Furnace fan efficiencies, SEER , EER , HSPF and AC charge verification, 

Lighting and appliances: Title 24 sets energy efficiency standards for lighting and appliances, including refrigerators, dishwashers, and washing machines. These standards require that appliances meet specific Energy Star ratings, which are designed to reduce energy consumption and greenhouse gas emissions.

Expert Title 24 Compliance Services

Title 24 Calcs utilizes California Energy Commission-approved software for energy modeling, an essential step in ensuring your building meets energy efficiency standards. This software generates a comprehensive report based on specific inputs, such as building dimensions, construction materials, and HVAC system characteristics. The report’s primary purpose is to determine if your design complies with Title 24 requirements, or if additional measures or HERS (Home Energy Rating System) verifications are needed.

Following the construction phase, a HERS rater conducts a thorough inspection of the completed home to assess its energy efficiency in relation to Title 24 standards. This evaluation results in the creation of a HERS rating, serving as a benchmark to gauge the overall energy performance of your newly constructed property.

example of a Title 24 Certificate of Compliance - pass result
Title 24 form example - pass

To obtain a building permit in California, it’s imperative that your design adheres to Title 24 requirements. The Title 24 report provides detailed insights into the energy efficiency of your design, ensuring it meets these standards.

To initiate the compliance process, ordering the Residential – New Construction Title 24 Energy report is a straightforward procedure. However, certain specific details must be provided, including your building plan with information such as orientation, window and door specifications (including U value and SHGC), insulation materials, and data regarding the water heater and A/C unit.

Title 24 compliance can be achieved through two approaches: the Prescriptive approach and the Performance approach. Each has its pros and cons. The software employed for this report takes into account various factors, including the building’s shape, construction materials, and HVAC system details. By inputting these specifics, the software accurately determines whether your design aligns with the required energy efficiency standards.

In summary, the Residential – New Construction Title 24 Energy report is a crucial component for anyone embarking on a residential construction project in California. It is essential to order this report to ensure your new home complies with energy efficiency standards and fully aligns with Title 24 requirements. Obtaining this report marks the beginning of your residential new construction project’s compliance process.

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