Mechanical

Related Measures

• Drain Water Heat Recovery

  The drain water heat recovery (DWHR) measure is completely new in the California Building Energy Efficiency Standards, and saves water heating energy expended during showering. This measure applies to new construction of low-rise residential buildings. DWHR is likely cost-effective in some high-rise ...

• Compact Hot Water Distribution Design

  The Compact Hot Water Distribution proposal is intended to provide builders a compliance option credit for designing residential buildings with hot water use fixtures located close to the water heater, saving both energy and water. A compliance option represents a voluntary measure available to builders ...

• Hybrid Condensers

  A refrigeration system component that condenses refrigerant vapor by rejecting heat to air mechanically circulated over its heat transfer surface, causing a temperature rise in the air, with the additional capability to utilize evaporative precooling of the entering air, for operation only during high ambient ...

• Demand Response Language Clean-Up

  The objective of this code change proposal is to clean up and clarify the existing demand response (DR) requirements so that all sections of the standards use consistent terminology and approach. The goal is to improve comprehension of and compliance with the existing requirements ...

• High Efficiency Fume Hoods

  The High Efficiency Fume Hoods in Laboratory Spaces measure is a prescriptive requirement for the installation of automatic sash closure systems for vertical sash laboratory fume hoods with variable air volume HVAC (heating, ventilation, and air conditioning) systems. This measure will apply to new ...

• Induction Exhaust Fan Control

  Laboratories and process facilities require specially designed exhaust systems that allow for safe release and dispersion of harmful chemicals into the ambient outdoor environment. The performance of laboratory and process facility exhaust is highly dependent on exhaust stack design and fan specification ...

• Nonresidential Indoor Air Quality

  This measure proposes revising Title 24, Part 6 requirements using a combination of the requirements in Title 24, Part 4 (California Mechanical Code) and ASHRAE 62.1-2016: Ventilation for Acceptable Indoor Air Quality. The ventilation requirements in 2016 Title 24, Part 4 are based on ...

• Residential Ventilation & Indoor Air Quality

  The most significant proposed change to the 2016 Title 24, Part 6 Residential Standards is the adoption of the 2016 version of ASHRAE Standard 62.2, Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings. The 2016 ASHRAE Standard 62.2 version replaces the California version of ASHRAE Standard 62.2-2010 (which includes Addenda b, c, e, g, h, i, j, l, and n) that was adopted by the 2016 Title 24 Building Energy Efficiency Standards (BEES) ...

• Residential Quality HVAC

  Mandatory fan efficacy requirement: Reduce the maximum air handling unit fan efficacy currently required under Title 24 Part 6, 150.0(m)13 from 0.58 watts per cubic feet per minute (W/cfm) to 0.45 W/cfm ...

• Nonresidential Economizer Fault Detection Diagnostics (FDD) Requirements

  This CASE Report proposes expanding the existing mandatory code language in Section 120.2(i), which requires economizer fault detection and diagnostics (FDD) for nonresidential packaged and split air handling HVAC (heating, ventilation, and air-conditioning) systems greater than 54,000 Btu/hr (4.5 tons) ...

• Nonresidential Cooling Tower Minimum Efficiency

  The CASE Report proposes a prescriptive requirement for higher efficiency axial fan open-circuit cooling towers for newly constructed projects, new systems that serve additions, and non building mounted replacements/alterations. The current 2016 Title 24, Part 6 Standards’ mandatory minimum efficiency for ...

• Proposal Based on ASHRAE 90.1

  This report includes the Statewide CASE Team’s recommendations to adopt requirements included in ANSI/ASHRAE/IES Standard 90.1-2016 -- Energy Standard for Buildings Except Low Rise Residential Buildings (ASHRAE 90.1-2016) in Title 24, Part 6. The Statewide CASE Team recommends ...