Helping Massachusetts Municipalities Create a Greener Energy Future

Code Informational Session

November 13, 2013

Introduction to the Introduction to the

IECC 2012 Energy IECC 2012 Energy CodeCode

AgendaAgenda

The wonderful world of The wonderful world of AcronymsAcronyms

ASHRAE American Society of Heating, Refrigeration and Air-Conditioning Engineers

ICC International Codes Council

IECC International Energy Conservation Code

IRC International Residential Code

DOER Department of Energy Resources

HERS Home Energy Rating

DOE Department of Energy

IECC and ASHRAE CodesIECC and ASHRAE Codes

ICC & ASHRAE develop model building codes and standards for the US.

ICC: publishes IECC energy code 3 year cycle IECC 2009, IECC 2012, IECC 2015

ASHRAE: publishes 90.1 standard 3 year cycle 90.1-2007, 90.1-2010

The World of CodesThe World of Codes 19801980’’s through 2006s through 2006

Minimum codes were truly minimalMinimum codes were truly minimal DOE pushed for marginal improvements (1% to 3% DOE pushed for marginal improvements (1% to 3%

per cycle)per cycle) DOE proposed (successfully) a major rewrite of the DOE proposed (successfully) a major rewrite of the

IECC in 2004 (became the 2006 IECC)—emphasis IECC in 2004 (became the 2006 IECC)—emphasis was format, not stringencywas format, not stringency

2009 to present2009 to present The world has changedThe world has changed

ICC/DOE working from two goalsICC/DOE working from two goals 30% improvement in 2012 IECC (relative to 2006)30% improvement in 2012 IECC (relative to 2006) 50% improvement in 2015 IECC (relative to 2006)50% improvement in 2015 IECC (relative to 2006)

What in the world has What in the world has changed?changed?

What is driving the changes to the code:What is driving the changes to the code: Public interestPublic interest Political willPolitical will Pull at ICCPull at ICC

What in the world has changed?What in the world has changed? More efficiency making it into codesMore efficiency making it into codes More detail/complexity being pushed onto code More detail/complexity being pushed onto code

officialsofficials More need for expertise and analysis tools in code More need for expertise and analysis tools in code

processprocess Less distinction between code, beyond-code Less distinction between code, beyond-code

programsprograms

Massachusetts Energy Massachusetts Energy Code HistoryCode History

66thth edition of the building code had a MA specific energy code edition of the building code had a MA specific energy code

77thth edition adopted IECC 2006 edition adopted IECC 2006 Commercial bldgs. ASHRAE 90.1-2004 Commercial bldgs. ASHRAE 90.1-2004

88thth edition adopted IECC 2009 on July 1, 2010 edition adopted IECC 2009 on July 1, 2010 Roughly 10-15% more efficient than IECC 2006Roughly 10-15% more efficient than IECC 2006

Commercial bldgs. ASHRAE 90.1-2004 remainsCommercial bldgs. ASHRAE 90.1-2004 remains

Also in 2010 the edition of the Also in 2010 the edition of the ““Stretch CodeStretch Code”” appendix appendix

IEC C 2012 was adopted on 7/1/2013IEC C 2012 was adopted on 7/1/2013

Designed to be 30% better than IECC 2009Designed to be 30% better than IECC 2009

Stretch CodeStretch Code

IECC 2015 coming soon….IECC 2015 coming soon….

IECC 2012IECC 2012

What was added with What was added with IECC 2009IECC 2009

Lighting added to IECC scope (at Lighting added to IECC scope (at least 50% of lamps must be ―high least 50% of lamps must be ―high efficacy)efficacy)

Mandatory duct system pressure Mandatory duct system pressure testtest

Insulation R-Values increasesInsulation R-Values increases No equipment-envelope trade-offsNo equipment-envelope trade-offs 12% to 15% better than 2006 IECC12% to 15% better than 2006 IECC

2012 IECC –Overview2012 IECC –Overview

Approximately 30% more efficient Approximately 30% more efficient than the 2006 IECCthan the 2006 IECC

Now constitutes (by reference) the Now constitutes (by reference) the energy chapter of the International energy chapter of the International Residential Code (IRC)Residential Code (IRC)

Retains 2009 IECCRetains 2009 IECC’’s prohibition on s prohibition on envelope-equipment tradeoffsenvelope-equipment tradeoffs

Contains a few major and many minor Contains a few major and many minor changeschanges

Structure of the 2012 Structure of the 2012 IECCIECC

Ch. 1 Scope and Application / Ch. 1 Scope and Application / Administrative and EnforcementAdministrative and Enforcement

Ch. 2 DefinitionsCh. 2 Definitions Ch. 3 General RequirementsCh. 3 General Requirements

Ch. 4 Residential Energy Ch. 4 Residential Energy EfficiencyEfficiency

Ch. 5 Referenced StandardsCh. 5 Referenced Standards IndexIndex

Scope of Section R101Scope of Section R101 Defines Residential Buildings as:Defines Residential Buildings as:

One- and two-family dwellings, townhouses of One- and two-family dwellings, townhouses of any size and R-2, R-3, R-4 ≤ 3 storiesany size and R-2, R-3, R-4 ≤ 3 stories

All buildings that are not All buildings that are not ““residentialresidential”” by by definition are definition are ““commercialcommercial””

Includes additions, alterations, renovations Includes additions, alterations, renovations and repairsand repairs

Existing buildings Existing buildings Buildings designated as historic Buildings designated as historic Very low energy use buildings [<3.4 Btu/h-ft2 or Very low energy use buildings [<3.4 Btu/h-ft2 or

1 watt/ft2]1 watt/ft2]

Scope Section R101- Scope Section R101- AdditionsAdditions

Treat as a stand-alone buildingTreat as a stand-alone building Additions must meet the prescriptive Additions must meet the prescriptive

requirements in Table 402.1.1 (or U-requirements in Table 402.1.1 (or U-factor or total UA alternatives)factor or total UA alternatives)

Scope Section - Scope Section - Additions, Alterations, Additions, Alterations, Renovations, RepairsRenovations, Repairs

Code applies to any new constructionCode applies to any new construction Unaltered portion(s) do not need to Unaltered portion(s) do not need to

complycomply Additions can comply alone or in Additions can comply alone or in

combination with existing buildingcombination with existing building Replacement fenestration that Replacement fenestration that

includes both glazing and sash must includes both glazing and sash must meetmeet U-factors in all Climate Zones 2-8U-factors in all Climate Zones 2-8

Climate Zones for the Climate Zones for the 2012 IECC2012 IECC

Scope Section R101 - Additions, Scope Section R101 - Additions, Alterations, Renovations, Alterations, Renovations,

Repairs-ExceptionsRepairs-Exceptions Storm windows over existing fenestrationStorm windows over existing fenestration Glass-only replacementsGlass-only replacements Exposed, existing ceiling, wall or floor cavities if already filled Exposed, existing ceiling, wall or floor cavities if already filled

with insulationwith insulation Where existing roof, wall or floor cavity isnWhere existing roof, wall or floor cavity isn’’t exposedt exposed Reroofing for roofs where neither sheathing nor insulation Reroofing for roofs where neither sheathing nor insulation

exposedexposed Insulate above or below the sheathingInsulate above or below the sheathing Roofs without insulation in the cavityRoofs without insulation in the cavity Sheathing or insulation is exposedSheathing or insulation is exposed Lighting alterations if:Lighting alterations if:

<50% of luminaries in a space are replaced<50% of luminaries in a space are replaced Only bulbs and ballasts within existing luminaries are Only bulbs and ballasts within existing luminaries are

replaced (provided installed interior lighting power isnreplaced (provided installed interior lighting power isn’’t t increased)increased)

Scope Section R101 - Scope Section R101 - Space ConditioningSpace Conditioning

Any non-conditioned space that Any non-conditioned space that is altered to become conditioned is altered to become conditioned space shall be required to be space shall be required to be brought into full compliance with brought into full compliance with this codethis code

Examples:Examples: Converting a garage to a family Converting a garage to a family

roomroom Heating an unfinished basementHeating an unfinished basement

Scope Section R101 - Scope Section R101 - Mixed Use BuildingsMixed Use Buildings

Treat the residential occupancy Treat the residential occupancy under the applicable residential codeunder the applicable residential code

Treat the commercial occupancy Treat the commercial occupancy under the commercial codeunder the commercial code

Overview of Code Overview of Code StructureStructure

Climate-Specific Climate-Specific Requirements:Requirements:

RoofsRoofs Above grade wallsAbove grade walls FoundationsFoundations BasementsBasements SlabsSlabs CrawlspacesCrawlspaces Skylights, Skylights,

windows, and windows, and doorsdoors

Mandatory Requirements Mandatory Requirements (apply everywhere):(apply everywhere):

Infiltration controlInfiltration control Duct insulation, Duct insulation,

sealing, and testingsealing, and testing HVAC controlsHVAC controls Piping InsulationPiping Insulation Equipment sizingEquipment sizing DampersDampers LightingLighting

Overview of IECC 2012 Overview of IECC 2012 Residential Code Residential Code

RequirementsRequirementsFocus is on: Focus is on: Building envelope ceilings, walls, windows, floors, foundationsBuilding envelope ceilings, walls, windows, floors, foundationsSets insulation and fenestration levels, and solar heat gain Sets insulation and fenestration levels, and solar heat gain coefficientscoefficientsInfiltration control - caulk and seal to prevent air leaks, and testInfiltration control - caulk and seal to prevent air leaks, and testDucts, air handlers, filter boxes – seal, insulate, and testDucts, air handlers, filter boxes – seal, insulate, and testLimited space heating, air conditioning, and water heating Limited space heating, air conditioning, and water heating requirementsrequirementsFederal law sets most equipment efficiency requirements, not Federal law sets most equipment efficiency requirements, not the I-codesthe I-codesNo appliance requirementsNo appliance requirementsLighting equipment – 75% of lamps to be high-efficacy lamps or Lighting equipment – 75% of lamps to be high-efficacy lamps or 75% of lighting fixtures to have only high-efficacy lamps75% of lighting fixtures to have only high-efficacy lamps

ComplianceComplianceIECC TerminologyIECC TerminologyPrescriptive, UA/U-Factor and PerformancePrescriptive, UA/U-Factor and PerformanceMandatory requirementsMandatory requirements

Required and cannot be traded down, even Required and cannot be traded down, even in the simulated performance pathin the simulated performance path

Some elements have Some elements have ““hard limitshard limits””aka, aka, ““trade-trade-off limitsoff limits””

a prescriptive requirement that can only a prescriptive requirement that can only be traded so farbe traded so far

performance requirements can only be performance requirements can only be traded so fartraded so far

IECC Compliance - Three IECC Compliance - Three OptionsOptions

Code Compliance ToolsCode Compliance Tools

Overview of the 2012 Overview of the 2012 Energy CodeEnergy Code

The 2012 code requires a better The 2012 code requires a better envelope, insulation, ducts, envelope, insulation, ducts,

windows, mechanical and more windows, mechanical and more efficient lighting than the 2009 efficient lighting than the 2009

code.code.

2012 IECC Major 2012 IECC Major ChangesChanges

Duct leakage rates loweredDuct leakage rates lowered Domestic hot water piping must be eitherDomestic hot water piping must be either

Insulated to R3, orInsulated to R3, or Short and skinny (i.e., exempted lengths Short and skinny (i.e., exempted lengths

depend on diameter)depend on diameter) Eliminated ―leakage to outdoors option for Eliminated ―leakage to outdoors option for

ductsducts From 12 to 4 CFM/100sf CFA (after From 12 to 4 CFM/100sf CFA (after

construction)construction) From 6 to 4 CFM/100sf CFA (at rough-in)From 6 to 4 CFM/100sf CFA (at rough-in)

Various R-value/U-factor/SHGC improvementsVarious R-value/U-factor/SHGC improvements

2012 IECC Major 2012 IECC Major ChangesChanges

New mandatory New mandatory whole-house whole-house pressure test pressure test (blower door) with (blower door) with stringent required stringent required leakage ratesleakage rates Zones 3-8: ≤ 3 ACH Zones 3-8: ≤ 3 ACH

@50 Pa@50 Pa Address fireplaces Address fireplaces

and recessed lighting and recessed lighting fixturesfixtures

Air Tightness Air Tightness RequirementsRequirements

ComplianceCompliance The 2012 code provides a lot of leeway to the local The 2012 code provides a lot of leeway to the local

inspector; according to the code, inspector; according to the code, ““Where required Where required by the code official, an approved third party shall by the code official, an approved third party shall inspect all components and verify compliance.inspect all components and verify compliance.””

Reference Table R402.4.1.1 for requirementsReference Table R402.4.1.1 for requirements http://publicecodes.cyberregs.com/icod/iecc/2012/icod_ie

cc_2012_re4_sec002_par027.htm

Building Envelope Building Envelope Specific RequirementsSpecific Requirements

Building Envelope Building Envelope consists of:consists of:FenestrationFenestrationCeilingsCeilingsWallsWallsAbove gradeAbove gradeBelow gradeBelow gradeMass wallsMass wallsFloorsFloorsSlabsSlabsCrawlspacesCrawlspaces

2012 IECC –Major 2012 IECC –Major Prescriptive Envelope Prescriptive Envelope

ChangesChanges

Insulation VerificationInsulation Verification R-values are to be printed on the batt insulation or rigid R-values are to be printed on the batt insulation or rigid

foam board.foam board. Blown-in insulation must have an insulation certificate Blown-in insulation must have an insulation certificate

at or near the opening of the attic.at or near the opening of the attic. The certificate should include:The certificate should include:

R-value of installed thicknessR-value of installed thickness Initial installed thicknessInitial installed thickness Installed densityInstalled density Settled thickness/settled R-valueSettled thickness/settled R-value Coverage areaCoverage area Number of bags installedNumber of bags installed

Insulation markers must be installed every 300 square Insulation markers must be installed every 300 square feet and be marked with the minimum installed feet and be marked with the minimum installed thickness and affixed to the trusses or joists.thickness and affixed to the trusses or joists.

2012 IECC-Fenestration 2012 IECC-Fenestration ChangesChanges

Mandatory Requirements Mandatory Requirements Mechanical SystemsMechanical Systems

Controls-At least one programmable thermostat/dwelling Controls-At least one programmable thermostat/dwelling unitunit

Heat pump supplementary heatHeat pump supplementary heat DuctsDucts

Sealing (Mandatory)Sealing (Mandatory) Insulation (Prescriptive)Insulation (Prescriptive)

HVAC piping insulationHVAC piping insulation Circulating hot water systemsCirculating hot water systems VentilationVentilation DampersDampers Equipment sizing-Heating and cooling equipment shall be Equipment sizing-Heating and cooling equipment shall be

sized according to Manual S based on loads calculated sized according to Manual S based on loads calculated according to Manual Jaccording to Manual J

Pools and in ground permanently installed spasPools and in ground permanently installed spas Snow melt controlsSnow melt controls

Duct Sealing and Duct Sealing and InsulationInsulation

Duct Sealing Duct Sealing Mandatory test 3 cfm Mandatory test 3 cfm

ACH@50ACH@50 Rough in and post Rough in and post

construction testsconstruction tests Adopts testing widely used Adopts testing widely used

by Stretch Code / Energy by Stretch Code / Energy Star HomesStar Homes

Not required if located Not required if located within conditioned spacewithin conditioned space

Framing cavities cannot Framing cavities cannot be used as ducts or be used as ducts or plenumsplenums

Duct InsulationDuct Insulation Supply ducts in attics: R-8 (Attic)Supply ducts in attics: R-8 (Attic) All other ducts: R-6 (Basement, All other ducts: R-6 (Basement,

Crawlspace, Exterior Wall,)Crawlspace, Exterior Wall,)

Lighting EquipmentLighting Equipment

A minimum of 75% of the lamps in A minimum of 75% of the lamps in permanently installed lighting fixtures permanently installed lighting fixtures shall be high-efficacy lamps or 75% of shall be high-efficacy lamps or 75% of permanently installed lighting fixtures permanently installed lighting fixtures to contain only high efficacy lamps.to contain only high efficacy lamps.

““Lamps in fixturesLamps in fixtures”” Exception:Exception:

Low-voltage lightingLow-voltage lighting Use specified lightingUse specified lighting

High Efficacy Lighting High Efficacy Lighting and Complianceand Compliance

The residential lighting provisions in the 2012 IECC The residential lighting provisions in the 2012 IECC are relatively simple. are relatively simple. At least 75% of the lamps in permanent light At least 75% of the lamps in permanent light

fixtures must be high-efficacy, defined as:fixtures must be high-efficacy, defined as: T8 or smaller-diameter linear fluorescent lamps, T8 or smaller-diameter linear fluorescent lamps, Or lamps such as CFLs, LEDs or Pin Based Or lamps such as CFLs, LEDs or Pin Based

Lamps with a minimum efficacy of:Lamps with a minimum efficacy of: 40 lumens/W for <15W40 lumens/W for <15W 50 lumens/W for 16-40W 50 lumens/W for 16-40W 60 lumens/W for >40W lamps60 lumens/W for >40W lamps

Chandelier exampleChandelier example

VentilationVentilation

The building shall be provided with The building shall be provided with ventilation that meets the ventilation that meets the requirements of the IRC, IMC, or requirements of the IRC, IMC, or other approved ventilation.other approved ventilation.

Minimum efficacy:Minimum efficacy: Range hoods 2.8 cfm/wattRange hoods 2.8 cfm/watt In-line fans 2.8 cfm/wattIn-line fans 2.8 cfm/watt Bathroom fan (10-89 cfm) 1.4 cfm/wattBathroom fan (10-89 cfm) 1.4 cfm/watt Bathroom fan (90+ cfm) 2.8 cfm/wattBathroom fan (90+ cfm) 2.8 cfm/watt

What about mechanical What about mechanical ventilation?ventilation?

Although the 2012 IECC includes provisions to improve Although the 2012 IECC includes provisions to improve a homea home’’s air tightness, it provides little on whole house s air tightness, it provides little on whole house ventilation, however the 2012 IRC does include ventilation, however the 2012 IRC does include requirements for mechanical ventilation.requirements for mechanical ventilation. A typical home will require about 15 cfm per person of A typical home will require about 15 cfm per person of

fresh outdoor air to be distributed by continuous fresh outdoor air to be distributed by continuous mechanical ventilation to meet the requirements of the mechanical ventilation to meet the requirements of the code.code.

The new code requires homes in zone 5 achieve 3 ach50, The new code requires homes in zone 5 achieve 3 ach50, the code effectively mandates a whole-house mechanical the code effectively mandates a whole-house mechanical ventilation system.ventilation system.

This can be accomplished with a centrally located quiet This can be accomplished with a centrally located quiet exhaust fan, an interconnected system to the air handler, exhaust fan, an interconnected system to the air handler, HRV/ERV or a combination of devices.HRV/ERV or a combination of devices.

Eave BafflesEave Baffles For air permeable For air permeable

insulations in vented insulations in vented attics, baffleattics, baffle

Installed adjacent to Installed adjacent to soffit and eave ventssoffit and eave vents

To maintain an To maintain an opening ≥ size of ventopening ≥ size of vent

To extend over top of To extend over top of attic insulationattic insulation

May be of any May be of any solid materialsolid material

Stretch Code vs. IECC Stretch Code vs. IECC ComparisonComparison

Typical Existing Home

Std New Home IECC 2006

IECC 2012~ HERS 70

IECC 2009 ~ HERS 90

Stretch Code < 3000 sq ft - HERS 70 > 3000 sq ft - HERS 65

Residential IncentivesResidential Incentives Almost the same as the Stretch Code/IECC 2012Almost the same as the Stretch Code/IECC 2012

Approx 30% of new homes in MA Approx 30% of new homes in MA

Builder incentives/rebates Builder incentives/rebates $750 - $7000 for SFD$750 - $7000 for SFD $350 - $4,000 for MF$350 - $4,000 for MF

HERS ratersHERS raters $700 - $900 SFD$700 - $900 SFD $250 - $550 MF$250 - $550 MF

Additional Equipment RebatesAdditional Equipment Rebates Appliances – up to $50 (low income)Appliances – up to $50 (low income) Heating – up to $1,500Heating – up to $1,500 Water Heating – up to $800Water Heating – up to $800 Cooling – up to $500Cooling – up to $500 Lighting – free CFLsLighting – free CFLs

Massachusetts Residential New Construction Program

IECC 2012 Bottom Line IECC 2012 Bottom Line Code Compliance Code Compliance

Every new home built will need to be Every new home built will need to be tested with a blower door, have a tested with a blower door, have a strategy to stop thermal bridging, strategy to stop thermal bridging,

need more insulation, a tighter need more insulation, a tighter envelope, better windows, tighter envelope, better windows, tighter

ducts, right sized mechanical systems, ducts, right sized mechanical systems, more efficient lighting and mechanical more efficient lighting and mechanical

ventilation.ventilation.

Stretch Code Stretch Code Appendix 120.aaAppendix 120.aa

What is the Stretch Code?What is the Stretch Code? Affects the energy code onlyAffects the energy code only Amendment to the MA base energy codeAmendment to the MA base energy code

Residential Construction:Residential Construction: 15-20% more energy efficient15-20% more energy efficient

Commercial:Commercial: 20% more energy efficient20% more energy efficient

The Stretch Code is similar to the 2012 IECCThe Stretch Code is similar to the 2012 IECC

MisconceptionsMisconceptions

The Stretch Code is new and experimentalThe Stretch Code is new and experimental The Stretch Code requires tight unhealthy homesThe Stretch Code requires tight unhealthy homes The Stretch Code requires foam insulationThe Stretch Code requires foam insulation The Stretch Code requires mechanical ventilationThe Stretch Code requires mechanical ventilation Homes with oil heat cannot meet the Stretch CodeHomes with oil heat cannot meet the Stretch Code Town residents will be required to update their Town residents will be required to update their

existing homesexisting homes

What does the Stretch Code What does the Stretch Code Apply to? Apply to?

Same application as the MA base energy codeSame application as the MA base energy code InsulationInsulation Doors, Windows, SkylightsDoors, Windows, Skylights Mechanical EquipmentMechanical Equipment LightingLighting AppliancesAppliances Building tightnessBuilding tightness Duct tightnessDuct tightness RenewablesRenewables

What does the Stretch Code What does the Stretch Code Apply to? Apply to?

ResidentialResidential AdditionsAdditions Home RenovationsHome Renovations New ConstructionNew Construction

Commercial Commercial (5,000+sq/ft)(5,000+sq/ft)

New ConstructionNew Construction AdditionsAdditions Renovations ExemptRenovations Exempt

Additions and RenovationsAdditions and RenovationsPrescriptive or Performance PathPrescriptive or Performance Path

Prescriptive Path Prescriptive Path ENERGY STAR Windows, Doors and Skylights ENERGY STAR Windows, Doors and Skylights Tight Ducts – completely new duct systems onlyTight Ducts – completely new duct systems only Contractor Verified Contractor Verified Thermal Bypass ChecklistThermal Bypass Checklist

Performance Path Performance Path Whole house HERS RatingWhole house HERS Rating

Renovations:Renovations: HERS 85 < 2,000 sq ft.HERS 85 < 2,000 sq ft. HERS 80 ≥ 2,000 sq ft.HERS 80 ≥ 2,000 sq ft.

Additions:Additions: HERS 70 < 3,000 sq ft.HERS 70 < 3,000 sq ft. HERS 65 ≥ 3,000 sq ft.HERS 65 ≥ 3,000 sq ft.

New HomesNew HomesPerformance PathPerformance Path

Performance is the only optionPerformance is the only option HERS 70 < 3,000 sq ft.HERS 70 < 3,000 sq ft. HERS 65 ≥ 3,000 sq ft.HERS 65 ≥ 3,000 sq ft.

HERS Rating CompanyHERS Rating Company Review building plansReview building plans Thermal bypass ChecklistThermal bypass Checklist Blower-door and duct testingBlower-door and duct testing

Home Energy Rating System (HERS) IndexHome Energy Rating System (HERS) Index

Internal Revenue ServiceInternal Revenue Service U.S. Department of EnergyU.S. Department of Energy U.S. Environmental Protection AgencyU.S. Environmental Protection Agency Mortgage IndustryMortgage Industry Massachusetts Base Code - Alternative PathMassachusetts Base Code - Alternative Path Mass Save Residential New Construction ProgramMass Save Residential New Construction Program

New HomesNew HomesPerformance PathPerformance Path

Governed by the Residential Energy Governed by the Residential Energy Services Network (RESNET)Services Network (RESNET)

Technical StandardsTechnical Standards Testing ProceduresTesting Procedures Quality AssuranceQuality Assurance Continuing EducationContinuing Education Code of EthicsCode of Ethics Complaint ResolutionComplaint Resolution

New HomesNew HomesPerformance PathPerformance Path

Cost of the Stretch CodeCost of the Stretch CodeHousetyp

eSize Upgrade

CostsAdd’l

Annual Mortgage

Annual Savings

Single Family

2,672 $2,949 $214 $507

w/ incentives

2,672 $1,755 $127 $516

Single Family

4,462 $6,476 $471 $1,455

w/ incentives

4.462 $5,176 $376 $1,455

Single Family

1,708 $4,162 $302 $583

w/ incentives

1,708 $3,243 $236 $595

COMMERCIAL STRETCH CODECOMMERCIAL STRETCH CODE

54

Commercial ‘Stretch’ Commercial ‘Stretch’ AppendixAppendix

New buildings and additions over New buildings and additions over 5,000 ft2, renovations fall to the base 5,000 ft2, renovations fall to the base code code

Two Options (depending on size)Two Options (depending on size) Performance option - 20% below ASHRAE Performance option - 20% below ASHRAE

CodeCode Prescriptive option for most building types Prescriptive option for most building types 5,000 - 100,000 ft25,000 - 100,000 ft2

Special Code Exemptions (comply with Special Code Exemptions (comply with base code) for laboratories, base code) for laboratories, manufacturing, etc.manufacturing, etc.

Stretch Code Stretch Code Compliance & Compliance & InspectionsInspections

Same as base codeSame as base code

Code Official has the same authorityCode Official has the same authority Same building inspectionsSame building inspections Approves building documentsApproves building documents

Future of the Stretch CodeFuture of the Stretch Code The MA base energy code will update in 2014The MA base energy code will update in 2014

The Stretch Code will update tooThe Stretch Code will update too

More energy efficientMore energy efficient

No details yetNo details yet

Automatic AdoptionAutomatic Adoption

Training on new energy Training on new energy codescodes

Covering both the IECC 2012 & Stretch codeCovering both the IECC 2012 & Stretch code Provided free to all Code OfficialsProvided free to all Code Officials Provided at cost to building professionalsProvided at cost to building professionals Register online: Register online: www.cetonline.orgwww.cetonline.org Energy star homes training available for free: Energy star homes training available for free:

www.MassSave.comwww.MassSave.com Utilities offer commercial ‘Core Performance’ Utilities offer commercial ‘Core Performance’

energy trainingenergy training

Questions?Questions?