16D-040 initial HERS RATING11,'ftc-rdr=R,=oRu fu d E q -#s.p",h,m g"Lp- g y
1. Assumptions for Preliminary Home Energy Rating
CET has completed a Preliminary Home Energy Rating with the foilowing assumptions:
a) The construction plans you have provided are accurate, including window dimensions and locations.
b) Energy features not listed below in part c will meet the prescriptive requirements of the IECC 2009.
c) The home will be built to incorporate the following energy features.
ENERGY EFFIEIENCY PIAN
Project Address: 202 N. Main St., Florence, MA
Conditioned Floor Area 2,598 ftz
Volume 31,167 ft3
Building Type Single family detached
Bedrooms
Bulldinq Envelope Specifications Used in Analysis
Foundation Walls 2" Dow Thermax Interior Rigid Foam Board (R-1S;, inctuOingret watt top
up to sill plate
Basement Slab Uninsulaled, 36" minimum below grade
Floor over Garaoe R-30 Fiberglass Batts, held in contact with subfloor
Rim & Band Joists R-21 Fiberglass Batts
ExteriorWalls, including garage and attics R-21 Fiberglass Batts, all cavities fully enclosed by air narrier on ootn
sides (including behind tub units, flue shafts, walls to attics, etc.)
Windows & Glass Doors U-value = 0.29 SHGC = 0.2S (predominant)
Exterior Doors R-5 / U-0.20
Ceilings & Attic Hatches
Attic:13',loose-blown cellulose (R-48), sealed eave wind baffles,
plywood edge dam at hatch
Attic Hatch: R-10+ Foamboard, fullv qasketed
Blower Door Test*3.0 ACH50 or better*
Thermal Enclosure Checklist, sections 3+5 Meet all Checklist Requirements as verified by a HfRS rater at pre-
drywall and final inspection
* The 2009 IECC requires a blower door test result of 7 ACH50 or lower and the :ECC 2012 requires 3 ACHST or lower.
Mechanical Svstems Specifications Used in Analysis
Heatinq Equioment 95.0 AFUE propane furnace
Cooling Equipment 13 SEER air conditioning, TXV or EXV vatve inctudeO, properly sizeO
and documented on Mass Save HVAC Contractor Checklist
Water Heating Equipment Propane On-Demand, .94 Energy Factor
Duct Leakage <6 cFM25 leakage to outdoors per 100 sq ft of finished floor area, or 0leakage to outdoors (100% within conditioned envelooe)
Duct Location & Insulation 50% Unconditioned Attic R-8; 40% ConditioneA gaserr,ent RO; tO%
Conditioned Space R-0
Whole House Ventilation Continuous|yoperating,variablespeedoatrre@
56t_QEIVt Energy Star Certified
Liqhtinq & Appliances Specifications Used in Analysis
Lighting 80% CFL, LED, or pin-based fluorescentRefrigeratorENERGY STAR certificrl
Dishwasher ENERGY STAR certified
ENERGY EFFICIENCY PIAN
2. Preliminary Home Energy Rating Results
Based on the assumptions described above, we have carcurated the foilowing preriminary Home Energy Rating resurts.preliminary HERS tndex: 60
preriminary rmprovement over 2014 Mass. Reference Home v2: 26.2yo_ Tier r*
Note that confirmed-Hom"^-ETtgy. Rating '.t"yll: T?y vary from the preriminary Home Energy Rating resurts due tochanges in buildino olans' energy teature"s installed iri tn"i or", RESNET standards, software changes, and otherfactors.
3. Services Requested
:i"l'HJi?:J:X";ffl'.,flJ"TffST:?lJS:H,J::.ff'.::'*ni(,) indicated berow cErwi, charse rees rorthese
. Stretch Energy Code compliance
' Incentives for the Mass save Residential New construction program - Tier l** = Mass save Residenti-al New construction requirements and incentive amounts can change at any.time withoutnotice at the discretiol oi,prool; +;;r; wt anticip"i., ilft",r9t q;r"rt"Lr in'"i"urr"nt prosram requirementsand incentive amounts wiri apiry io ,[u'oi"i"", as rong ;.lii. ;;rpreted and inspecteo by November 30, 2b16.As part of these services' cET will verify that your home meets ail the requirements of these programs.
I have reviewed and understand this Energy Efficiency plan.assumptions areeoF[ect.I have reviewed the assumptions in part 1 and confirm that the
Preliminary Rater: John Sayeson
Date: 3/4/2016
Job #: Pl56O3
Page 2 of 2 - ptease sendsigned form to the Center for EcoTechnotoovrer(a13) 58&7350 ext.242- r"i i+r1 si;#i:ftrrrerrO*frrrc.A