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Presented by Scott Blunk
Associate Director of Building Science at TRC
Green Technology - AIA Provider G515 & ICC Preferred Provider 1170
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§ Green Technology is a Registered Provider with The American Institute of Architects Continuing Education Systems (AIA/CES). Credits earned on completion of this program will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members will be e-mailed.
§ This program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material or construction or any method or manner of handling, using, distributing or dealing in any material or product.
§ Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation.
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Everyone attending today’s workshop will receive a certificate of completion, by e-mail, from Green Technology for 5 hours of continuing education credit.
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§ This 5 hour (5 CEUs) course/seminar will cover what’s new in Title 24 for both residential and non-residential buildings, from high performance walls and attics to lighting and lighting controls. § The session will also review challenges that have resulted in
implementing the 2013 standards, strategies for addressing them, and solutions to these challenges that may be included in the recent revisions. §With each cycle, California's Energy Code is moving closer toward
the goal of ZNE for all new construction. §Mandates for efficiency in existing buildings are expanding. Retrofits
will require code compliance.
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§ Understand where the code emanates and the factors driving its change
§ Understand how to navigate the new California Energy Code including the Standards, Residential Appendices, ACM Manuals, etc.
§ Understand how the new requirements affect design and be able to pinpoint the most poignant code sections for residential and non residential
§ Review Prescriptive and Mandatory measures
§ Know practical solutions to meeting Title 24 requirements
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§ Warren-Alquist Act 1975 § Established the CEC
§ What was happening in 1975 § Watergate (1974) § 10% inflation § OPEC – gas shortages § 55 mph imposed to save gas § Global recession § Vietnam War ended
Rosenfeld Curve
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§ Since 1975 § Television (proliferation) § Computers § Gaming systems
§ Air Conditioning (proliferation) § ATMs § Internet § Cell phones § Cable TV
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~5,400 kWh
$970 per person
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§ Greenhouse Gas Emissions § At 1990 levels by 2020 § 40% below 1990 levels by 2030 § 80% below 1990 levels by 2050
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§ Renewables § 33% renewables by 2020 § 2014 Estimates 25% of electricity sales were served by wind, solar, geothermal, biomass and small
hydroelectric
§ 50% increase in renewable energy procurement by 2030
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§ Efficiency § 2x the energy efficiency
savings by 2030 § ~20% reduction
§ Energy efficiency has limited electricity growth to 1% and natural gas to nearly 0%
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§ ZNE by 2020 for all Residential New Construction
CEC is on-track to implement/codify
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§ ZNE by 2030 for all Commercial New Construction
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Residential
§ 28% more efficient than the 2013 Standards
Nonresidential
§ XX% more efficient than the 2013 standards
The standards take effect on January 1, 2017
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§ 2016 is the last set of Standards before ZNE requirement for all residential new construction (2019)
§ 2016 code compliant home will be “ZNE-ready” § Next round of Standards will not include significant changes to “regulated” loads § The code will instead focus on integrating PV, storage, renewables and reducing plug
loads
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§ Estimated Reductions (per year) § Statewide annual electricity consumption – 281 gigawatt-hours § Peak demand – 195 megawatts § Natural gas consumption – 16 million therms § Nitric Oxide – 508 tons § Sulfur Oxides – 13 tons § Carbon Monoxide – 41 tons § Particulate matter – 13.6 tons § Greenhouse gas emission – 160 thousand metric tons of CO2
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§ 2016 Building Energy Efficiency Standards for Residential and Nonresidential Buildings (289 pages)
§ 2016 Reference Appendices (503 pages)
§ 2016 Residential Compliance Manual and Documents (475 pages)
§ 2016 Nonresidential Compliance Manual and Documents (729 pages)
§ 2016 Residential Alternative Calculation Method Reference Manual (293 pages)
§ 2016 Nonresidential Alternative Calculation Method Reference Manual (304 pages)
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That’s almost 2,600 pages!
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2016 Building Energy Efficiency Standards for Residential and Nonresidential Buildings
§ The Standards contain: § energy efficiency requirements § water efficiency requirements § indoor air quality requirements
for newly constructed buildings, additions to existing buildings, and alterations to existing buildings
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The Most Useful Table in the Standards § Table 100.0-A
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2016 Building Energy Efficiency Standards for Residential and Nonresidential Buildings
§ Establishes performance standards in the form of an “energy budget” § Prescriptive option § Performance option
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2016 Building Energy Efficiency Standards for Residential and Nonresidential Buildings
Prescriptive • Simple • Meet a prescribed
minimum efficiency • Little design
flexibility • Easy to use
Performance • More complicated • Offers considerable design
flexibility • Requires an approved computer
software program • models a proposed building • determines its allowed energy
budget • calculates its energy use • and determines compliance
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2016 Building Energy Efficiency Standards for Residential and Nonresidential Buildings
Mandatory Measures • Both prescriptive or performance compliance paths require
mandatory measures that must always be installed. • Examples of Mandatory Measures:
• infiltration control • lighting • minimum insulation levels • minimum equipment efficiency
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2016 Building Energy Efficiency Standards for Residential and Nonresidential Buildings
§ Establishes performance standards in the form of an “energy budget” § Prescriptive option § Performance option
Performance compliance uses computer modeling software to trade off efficiency measures. For example, to allow more windows, the designer will specify more efficient windows, or to allow more west-facing windows, they will install a more efficient cooling system. Computer performance compliance is typically the most popular compliance method because of the flexibility it provides in the building design.
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2016 Building Energy Efficiency Standards for Residential and Nonresidential Buildings
§ The Standards are divided into three basic sets. § First, there is a basic set of mandatory requirements that apply to all
buildings. § Second, there is a set of performance standards – the energy budgets –
that vary by climate zone (of which there are 16 in California) and building type; thus the Standards are tailored to local conditions. § Finally, the third set constitutes an alternative to the performance
standards, which is a set of prescriptive packages that are basically a recipe or a checklist compliance approach.
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2016 Reference Appendices
§ Provides CEC approved default values for items such as § Technical Specifications § R-value of plywood § Fan motor efficiency § Etc.
§ Weather / Climate Data § HERS Verification, Testing, and Documentation
Procedures
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2016 Reference Appendices
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§ 2016 Residential Compliance Manual and Documents
§ 2016 Nonresidential Compliance Manual and Documents
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§ 2016 Residential Compliance Manual and Documents
§ 2016 Nonresidential Compliance Manual and Documents
§ The compliance manuals are intended to help plans examiners,
inspectors, owners, designers, builders, and energy consultants comply with and enforce California’s 2016 Building Energy Efficiency Standards (Energy Standards) § The manual is written as a reference and an instructional guide and
can be helpful for anyone that is directly or indirectly involved in the design and construction of energy-efficient buildings.
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2016 Residential Compliance Manual and Documents
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2016 Nonresidential Compliance Manual and Documents
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2016 Alternative Calculation Method Reference Manual
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2016 Alternative Calculation Method Reference Manual
§ The Alternative Calculation Method (ACM) Reference Manual explains how the proposed and standard designs are determined.
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2016 Alternative Calculation Method Reference Manual
§ These documents establish the rules for creating a building model § Describing how the proposed design
(energy use) is defined § How the standard design (energy budget)
is established § Ending with what is reported on the
Certificate of Compliance (CF1R) § This document does not specify the
minimum capabilities of vendor-supplied software.
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2016 Standards focus on 3 key areas:
§ Updating requirements for low-rise residential buildings to move closer to California’s zero net energy goal
§ Updating nonresidential and high-rise residential requirements to better align with the national ASHRAE 90.1 standards
§ Updating the entirety of the existing Standards to improve clarity and consistency, correct errors, streamline requirements, and make adjustments to provisions in the regulations that were found to have unanticipated impacts
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§ Duct Work
§ Walls
§ Lighting
§ Water Heating
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§ For more on residential and nonresidential code go to Energy Code Ace § http://energycodeace.com/
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Duct Work
Current practice is to place most heating, ventilation and air conditioning (HVAC) ducting in uninsulated attic spaces, which can get quite hot in the summer and quite cold in the winter.
This, in turn, leads to significant energy losses through unwanted warming or cooling of conditioned air in the ducts, even when the ducts themselves are insulated.
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Duct Work
§ New ductwork must have a leakage rate of < 5% § Current standard is 6%
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Duct Work
§ Reduce the exposure of ducts to extreme heat and cold § Placing HVAC equipment and ducts in conditioned space § Attach attic insulation to the underside of the roof (rather than the ceiling) § Installing insulating or heat-rejecting roofing materials § Sealing and insulating the attic in a manner similar to a conditioned room
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Big Special thanks to:
§ PG&E’s CAHP Master Builder program § Who paid for the development of the following 15 or so slides
Special thanks to:
§ Matthew Christie & Rick Blackshere § from TRC who developed the following 15 or so slides
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Options: 1. Cool attic or High Performance Attic (HPA)
§ No change to thermal envelope § Vented attic § Addition of insulation at roof deck
2. Sealed attic or Unvented Attic or (UVA) § Move thermal envelope
3. In the house or Ducts in 4. Conditioned Space (DCS) § Relocate ducts and § air handling unit § inside the home
5. Go ductless!
or
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Basic design: § Ducts and air handler remain in the attic § Vented attic as normal § Add insulation to the roof deck § Below deck between rafters (R-13) OR § Above deck rigid foam (R-6) + Radiant Barrier
§ R-8 duct insulation § Control duct leakage to maximum 5%
§ Use a cool roof (specifications vary by Climate Zone)
§ HPA using R-13 below the deck is the 2016 Code Standard performance baseline for modeling calculations
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Benefits: § Reduce attic temperatures (reducing both duct and ceiling losses) § Incremental change to standard practice § No change to duct and air handler location
§ Challenges: § New attic deck assemblies and construction changes § Minimal installation experience in production homes
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Basic Design: § Ducts and air handler remain
in the attic § Unvented (sealed) Attic § R-30 or R-38 roof deck
assembly § Variety of insulation types and
assemblies can be used or combined: § Spray foam below deck § Netted / wired batt or blown-in
below deck § SIPs or half SIPs § Insulated roof tiles
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Benefits: § No need to seal ceiling plane (can lighting, sprinklers,
etc.) § Reduced costs - attic vents not required § Some attic space could be available for use (i.e.
storage)
Challenges: § Sealing the attic-to-deck junction § Requires sealed combustion equipment § Moisture control, primarily condensation
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In a plenum (box or scissor truss)
Dropped ceiling soffit
Open-Web floor truss in two story homes
Basic Design: 3 Options
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Benefits: § Incremental changes to vented attic standard practice § Multiple buildable options
Challenges: § Early planning and design coordination is critical § Sealing the soffit-plenum-truss perimeter § Requires sealed combustion equipment § Finding space for FAU inside the living space § Extra framing necessary
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System types: § Mini-splits § Hydronic § Packaged terminal heat pump Benefits: § Eliminates duct losses § Higher system efficiency § No need for HPA, UVA or DCS efforts Challenges: § Modeled benefit is conservative relative to
other measures*
*This will change over time with improved knowledge of benefits. 61
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§ Save more energy than any other individual measure available
§ Save money by downsizing HVAC equipment – through early design and planning, incremental costs can be $0
§ Potential to increase CAHP incentives § Possible to achieve up to $2,500 and more per home
§ Prepare for 2016 Title 24 and align with other top-tier building standards
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Walls
2013 Code: Residential Package A Prescriptive Standard § Assembly U-Factor of 0.065 in all climate zones § Typical assemblies § R-15 + 4, 2x4 @ 16oc or R-19 + 2, 2x6 @ 16oc
2016 Code: Residential Prescriptive Standard § Assembly U-Factor of 0.051 in all except Climate Zone 6
and Climate Zone 7 § Variety of assemblies possible: § R-21 + 4, 2x6 @ 24oc § R-19 + 5, 2x6 @ 16oc § R-15 + 8, 2 x 4 @ 16oc
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2016 Code: § Assembly U-Factor of 0.051 in all climate zones except § Climate Zone 6 and Climate Zone 7
§ R-19 (between studs) + 5(rigid continuous), 2x6 @ 16oc § or R-15(high density) + 8, 2 x 4 @ 16oc § or many other combinations of traditional assemblies
§ Assembly U-Factor § should equal § approximately R-25 § to accommodate § potential loss § through thermal § bridging
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Wall Framing Options
**Multiple combinations of similar materials will achieve these same U-factors
U-factor Framing Stud
Spacing Cavity
Insulation Exterior
Insulation Cavity Insulation Type
0.050 2x6 24” OC R-19 R-5 (1") Low density fiberglass batt
0.051 2x6 16” OC R-21 R-4 (1") High density batt or BIB
0.049 2x6 16” OC R-19 R-6 (1.25") Low density fiberglass batt
0.050 2x4 16” OC R-15 R-8 (2") High density batt
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Double Wall Staggered Stud Wall
Can use 16” or 24” spacing.
Benefits: § Can use 2x4 studs for a 6”, 8”,10” (or more) cavity, providing for
increased thickness of insulation § Reduced thermal bridging, 8” staggered cavity reach 0.041 U-Factor
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Structurally Insulated Panels (SIPs)
Insulated Concrete Forms (ICFs)
Benefits: § Minimal thermal bridging § Factory fabricated § Lower labor costs § Seismic durability
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Lighting
§ All lighting must be high-efficacy
§ Controls required on all fixtures except those in hallways and small closets
§ Relaxed requirements for fixture type, focus on the lamp (bulb or light source)
§ Recessed fixtures cannot be screw based § All other fixtures can use screw base § Recessed lighting must be “integral” or “pin-based”
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Lighting
§ High-efficacy doesn’t necessarily mean LED, but hard to meet the JA8 requirements with any other type
§ All lamps (bulbs) must meet JA8 requirements for § Efficacy (lumens/watt) § Color Rendering Index (CRI) § Lifespan, flicker, startup time, etc.
§ JA8 compliant bulb must be found at the time of inspection § Even in medium based sockets!!!
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Lighting
§ 2016 Efficacy requirement ≥ 45 lumens/ Watt
§ 2013 Requirements
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Lighting
§ Light sources must be JA8 and Section 150.0 (k) compliant
§ Qualifying lamps must be certified and marked as either “JA8-2016” or “JA8-2016-E” § These markings indicate the light source has been tested to provide long life
§ Builder must now provide new homeowners with a luminaire schedule that includes a list of installed lamps and luminaries
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Lighting – Switching Devices & Controls
§ Any JA8-compliant lamp or luminaire must be controlled by a vacancy sensor or dimmer
§ This includes § Any screw-based luminaire § Ceiling recessed downlight § Dedicated LED luminaire § Any luminaire with an LED lamp
§ In addition, all under cabinet lighting must be switched separately from other lighting in the home
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Lighting – Switching Devices & Controls
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Lighting – Outdoor
§ All outdoor lighting must now be high efficacy
§ Single family homes – lighting mounted to any building on the lot must be controlled by on of the follow combinations: § Photocell and motion sensor § Photocell and time switch § Astronomical time clock § EMCS with features of astronomical time clock, etc.
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Water Heating
§ Non-condensing instantaneous DHW will be prescriptive requirement § Uses Federal minimum EF of 0.82
(2013 is tankless ready)
Prescriptive option for installing a gas storage water heater requires:
§ Tank of less than 55 gallons with: § QII OR § Compact pipe distribution and Insulation on ½” or larger pipes
(2013 is, if gas, EF of 0.62 or greater)
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Lighting – Outdoor - Multifamily
§ Low-rise multifamily residential buildings must also meet these requirements
§ Multifamily car ports and parking lots vary based on number of parking spaces § With 8 or more spaces must comply with nonresidential standars § Smaller parking areas may comply with either residential or nonresidential
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§ Envelope
§ Mechanical
§ Lighting
§ Elevators, Escalators and Moving Walkways
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Envelope
Mandatory Measures – Section 120.7
§ Wall insulation levels have been changed to the following: § Metal framed: U-factor = 0.151 (R-13 w/R-2) § Metal demising: U-factor = 0.151 (R-13 w/R-2)
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Envelope
Prescriptive Measures – Section 140.3-B (Nonresidential Buildings)
§ Roofs/ Ceilings: Metal Buildings & Wood Framed and Other
§ Walls: Metal-framed & Wood-framed and Other
Prescriptive Measures – Section 140.3-C (High-Rise Residential)
§ Roofs/ Ceilings: Metal Buildings & Wood Framed and Other
§ Walls: Metal-framed
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Envelope
Prescriptive Measures – Section 140.3-D (Relocatable School Buildings)
§ Roofs/ Ceilings: Metal Buildings & Wood Framed and Other
§ Walls: Metal-framed & Wood-framed and Other
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Envelope
Prescriptive Roof/ Ceiling Insulation Tradeoff for Aged Solar Reflectance
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2013 Envelope
Prescriptive Roof/ Ceiling Insulation Tradeoff for Aged Solar Reflectance
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Example Trade Off
§ Metal framed rafter roofs
§ ASR of 0.55-0.46
§ Required U Factor : 0.035
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Process Equipment Highlights
§ New to the 2016 Energy Standards are mandatory energy saving requirements for escalators and elevators.
§ Acceptance testing will be required for controls requirements
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Process Equipment Highlights
Escalators and Moving Walkways – Section 120.6(g)
§ Escalators and moving walkways will be required to run at lower speeds when unoccupied (and thus a lower energy consuming state) while not in use in high traffic areas like airports, hotels, and transportation function areas.
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Process Equipment Highlights
§ Typically found in 3 modes of operation
§ Function controlled either by pressure sensor, photocell or infrared ray
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Mechanical Equipment Highlights
Mandatory Equipment Efficiencies – Section 110.2
§ Mandatory equipment efficiencies for air conditioning units have increased as of 1/1/2016. Chiller and DX equipment efficiencies have become more stringent.
Economizers – Section 120.2 (i)
§ New mandatory requirements for Fault Detection and Diagnostics (FDD) on all economizers installed on new air-cooled packaged DX units with cooling capacity of 54,000 Btu/hr or greater. Stand alone or integrated FDD accepted per Section 120.2(i) of the 2016 Energy Standards.
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Mechanical Equipment Highlights
§ Benefits of Integrated Fault Detection Diagnostics (FFD) on Advanced Rooftop Unit (ARTU)
91 Source: Advanced automated fault detection and diagnostics commercialization program: California Energy Commission 2008
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Mechanical Equipment Highlights
HVAC System Controls - Sections 120.2 & 140.4
Mandatory Direct Digital Controls (DDC):
§ DDC shall be applied per Section 120.2(j) of the 2016 Energy Standards, Table A for new construction, additions, and alterations. Control logic must be capable of monitoring several points including fan pressure, pump pressure, heating and cooling, have optimum start/stop controls, and perform automatic information transfer among other requirements.
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Mechanical Equipment Highlights
HVAC System Controls - Sections 120.2 & 140.4 (continued)
Mandatory Optimum Start/Stop Controls:
§ The control algorithm shall, as a minimum, be a function of the difference between space temperature and occupied setpoint, the outdoor air temperature, and the amount of time prior to scheduled occupancy. Additional requirements for mass radiant floor slab systems. Requirements per Section 120.2 (k) of the 2016 Energy Standards.
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Mechanical Equipment Highlights
HVAC System Controls - Sections 120.2 & 140.4 (continued)
Prescriptive HVAC Shut-off Sensors for Windows and Doors:
§ If windows or doors are left open for more than five minutes, sensors will adjust thermostats to disable the HVAC equipment by resetting the temperature setpoint to 55°F for mechanical heating and 90°F for mechanical cooling. Exemptions for doors with automatic closers or any space without thermostatic controls. Requirements per Section 140.4 (n) of the 2016 Energy Standards.
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Commissioning Highlights
A few important clarifications were made to the commissioning requirements in Section 120.8 of the 2016 Energy Standards:
§ Commissioning is required for all new buildings with nonresidential conditioned space, including nonresidential spaces in hotel/motel and high-rise residential buildings. The Owner’s Project Requirements (OPR) must include building envelope performance expectations under the 2016 Energy Standards.
§ Section 10-103 in Part 1 specifies that the Design Reviewer may be a licensed architect or licensed contractor in addition to a professional engineer.
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Indoor Lighting Highlights
The interior lighting mandatory and prescriptive measures, as well as updates to the calculation methodologies are included below.
Prescriptive Calculation Methodology – Section 140.6
§ Complete Building Method: Allowed Lighting Power Densities are reduced by 0.1 or less for half of building types listed in Table 140.6-B.
§ Area Category Method: Allowed Lighting Power Densities are reduced by 0.2 or less for a third of functional areas in Table 140.6-C.
§ Tailored Method: Lighting Power Density Values updated per Table 140.6-G. Allowances in Table 140.6-D remain unchanged.
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Lighting
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Lighting
§ Most lighting changes are small
§ Power densities have been reduced
§ Most light control requirements are unchanged
§ Alterations – path to compliance is now less complex
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Lighting
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Lighting – Power Adjustment Factors
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Lighting – Alterations
§ Requirements for indoor lighting alterations (§141.0(b)2I-J) have been simplified, reorganized and renamed
§ Outdoor requirements are now listed under §141.0(b)2L
§ Two types of projects remain exempt from lighting alteration requirements: § those that may disturb asbestos § those that address only two or fewer luminaires
in an enclosed space
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Lighting – Alterations – Control Requirements
§ A new compliance path has been added for alterations. Now, when existing luminaires are replaced with new luminaires and no changes are made to walls or ceilings, a project may bypass additional multilevel and some occupancy control requirements by installing new products that achieve a minimum of 35% power reduction as compared to the luminaires they replaced.
§ For hotel, office and retail occupancies, the reduction must be at least 50%.
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Lighting – Outdoor
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Lighting
§ For more on lighting go to the California Lighting Technology Center § http://cltc.ucdavis.edu/
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RESIDENTIAL
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RESIDENTIAL
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RESIDENTIAL
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RESIDENTIAL
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RESIDENTIAL
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RESIDENTIAL
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§ Night Ventilation – Whole house fan as a minimum; allows Smart Vents and Night Breeze as alternatives in CZs 8-14. (Section 150.1(c)12)
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NONRESIDENTIAL
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NONRESIDENTIAL
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NONRESIDENTIAL
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NONRESIDENTIAL
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HIGH-RISE RESIDENTIAL
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HIGH-RISE RESIDENTIAL
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HIGH-RISE RESIDENTIAL
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HIGH-RISE RESIDENTIAL
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• Refrigerant Charge on Mini-Split Systems • Accurate CF3R Duct Testing Results • Electric Water Heater • SLA Compliance Requirements (HERS) / Building Envelope Sealing • Compliance Requirements for Unpermitted Work • Documentation Requirements for HVAC Sample Group (Untested) • Electrical Resistance Heat • Conditioning Enclosed Patio or Garage • Screw Base Conversion Kits • Insulating existing attic • Replacement Windows • High Efficacy Lighting in Kitchens • Occupancy vs. Vacancy Switch in Bathroom • Recirculation Pump Installation • Whole house fan installation
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Refrigerant Charge for Mini-split and Package systems
2008 Standards
• CF1R
• CF6R
2013 & 2016 Standards
• CF1R
• CF2R (formerly CF6R)
• CF3R (formerly CF4R)
• Refrigerant charge verification required
• Weigh-in method requires HERS verification
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Accurate CF3R Duct Testing Results
How many HVAC contractors own duct testing equipment?
Why is it important?
• Energy Efficiency
• Indoor Air Quality
• Health and Safety
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Owner wants an Electric Water Heater because of Carbon Monoxide concerns.
Coming in 2016
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Specified Leakage Area (2008) Compliance Requirements (HERS)
• Checklist is not an acceptable substitution for testing.
• All homes utilizing the SLA credit shall be tested.
Building Envelope Sealing (2013 & 2016)
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Compliance Requirements for Unpermitted Work
• Efficiency based on manufacture date.
• Duct Testing
• Refrigerant Charge
• CF1R
• CF6R (CF2R)
• CF4R (CF3R)
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Documentation Requirements for HVAC Sample Group (Untested)
• All projects require CF4R (CF3R) regardless of whether they were tested or not.
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Electrical Resistance Heat
• Exception allows electric resistance heat with conditions:
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Electrical Resistance Heat
• Capacity not to exceed 2kW or 7,000 Btu/hr and
• Controlled by a time-limiting device not exceeding 30 minutes.
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Building heating and cooling loads shall be determined using an approved method.
“Like for like” does not require calculation of heating and cooling loads.
150.0 Mandatory Features only applies to new construction.
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Installing a gas fireplace or conditioning (heat or cooling) an enclosed patio or garage.
• Conditioning the space triggers envelope compliance.
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Screw Base Conversion Kits
• Screw base equals low efficacy
• Change for 2016
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Replacement Windows
2008 Standards
• U-Factor .40
• SHGC .40
2013 Standards (no change for 2016)
• U-Factor .32
• SHGC .25
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Permit required to insulate an existing attic?
• Minimum R-30 except CZ 1and 16 R-38.
• Existing recessed cans
• Combustion air openings
• Existing appliance vents
• Attic ventilation
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High Efficacy Lighting in Kitchens
• 2- 60 watt low efficacy, 120 watts total.
• 5-26 watt fluorescent 130 watts total.
Owner wants to install 5 LED luminaires (60 watts total)
• Fluorescent 26 watts each
• LED 12 watts each
• This has all been redone for 2016
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Occupancy vs. Vacancy Switch
• Residential Occupancy sensor- auto on and auto off.
• Residential Vacancy sensor – manual on and auto off.
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Recirculation Pump Installation (retrofit)
2008 Standards: § Remote pump OK
§ Recirculation system requires all pipes to be insulated (typically impractical).
2013 & 2016 Standards
§ Both pumps OK
§ Exception allows only exposed pipes to be insulated
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Whole House Fan Installation A whole house fan should not be installed if a natural draft or fan assisted gas appliance located inside the combustion appliance zone or attic without providing an interlock device.
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Questions?
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