g. 1955 Francis RES21-0217 HVAC E Calcs_1RES21-0217
FORM R405-2020
Building Input Summary Report
PROJECT
Street addressAddress type:4Bedrooms:Model 1644Title:
Lot#:2Bathrooms:FLAsBuiltBuilding Type:
Block/Subdivision:1644Conditioned Area:Owner:
Platbook:1Total Stories:1# of Units:
1955 Francis AveStreet:NoWorst Case:XL PropertiesBuilder Name:
County:0Rotate Angle:Duval CountyPermit Office:
Atlantic Beach, FL 32233City, State, Zip:NoCross Ventilation:261000Jurisdiction:
NoWhole House Fan:Single-FamilyFamily Type:
SuburbanTerrain:New (From Plans)New/Existing:
SuburbanShielding:2021Year Construct:
Comment:
CLIMATE
Daily TempDesignHeatingInt Design TempDesign TempIECC
RangeMoistureDegree DaysSummerWinter2.5 %97.5 %ZoneTMY SiteDesign Location
Medium46995757096372FL_Jacksonville-CrFL, Jacksonville NAS
BLOCKS
VolumeAreaName#
ft³14960.40ft²1644.00System 11
SPACES
HeatedCooledFinishedInfil IDBedroomsOccupantsKitchenVolumeArea#
YesYesYes100Noft³525.53ft²57.75MWIC1
YesYesYes111Noft³1337.70ft²147.00Bed 42
YesYesYes100Noft³925.93ft²101.75Foyer3
YesYesYes100Noft³275.28ft²30.25Laundry4
YesYesYes100Yesft³5541.90ft²609.00Kitch_Din_Liv5
YesYesYes100Noft³525.53ft²57.75Bath 26
YesYesYes111Noft³1401.40ft²154.00Bedroom 27
YesYesYes111Noft³1401.40ft²154.00Bed 38
YesYesYes100Noft³175.18ft²19.25Hall9
YesYesYes112Noft³1783.60ft²196.00Master Bed10
YesYesYes100Noft³191.10ft²21.00M Toilet11
YesYesYes100Noft³700.70ft²77.00Master Bath12
YesYesYes100Noft³175.18ft²19.25M Hall13
(Total Exposed Area = 1644 sq.ft.)FLOORS
CarpetWoodTileU-FactorAreaR-ValuePerimeterSpaceFloor Type#
01.000.989ft²57.750ft6MWICSlab On Grade1
01.000.989ft²147.000ft11Bed 4Slab On Grade2
01.000.989ft²101.750ft24FoyerSlab On Grade3
01.000.989ft²30.250ft11LaundrySlab On Grade4
01.000.989ft²609.000ft55Kitch_Din_LivSlab On Grade5
01.000.989ft²57.750ft6Bath 2Slab On Grade6
01.000.989ft²154.000ft11Bedroom 2Slab On Grade7
01.000.989ft²154.000ft11Bed 3Slab On Grade8
01.000.989ft²19.250ft0HallSlab On Grade9
01.000.989ft²196.000ft28Master BedSlab On Grade10
01.000.989ft²21.000ft3M ToiletSlab On Grade11
01.000.989ft²77.000ft18Master BathSlab On Grade12
01.000.989ft²19.250ft0M HallSlab On Grade13
ROOF
PitchDeckEmittEmittSASolarRoofGableRoof
(deg)Insul.TestedTestedAbsor.ColorAreaAreaMaterialsType#
230No0.90No0.75Dark1781 ft²RoofAsphHip1
230No0.90No0.75Dark415 ft²RoofAsphHip2
ATTIC
IRCCRBSAreaVent Ratio (1 in)VentilationType#
NNft²1644.00300VentedFull attic1
NNft²383.00300VentedFull attic2
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FORM R405-2020
(Total Exposed Area = 1644 sq.ft.)CEILING
Truss TypeFraming FractionAreaU-FactorR-ValueSpaceCeiling Type#
Wood0.10ft²57.750.02738MWICShingle Vented Attic R381
Wood0.10ft²147.000.02738Bed 4Shingle Vented Attic R382
Wood0.10ft²101.750.02738FoyerShingle Vented Attic R383
Wood0.10ft²30.250.02738LaundryShingle Vented Attic R384
Wood0.10ft²609.000.02738Kitch_Din_LivShingle Vented Attic R385
Wood0.10ft²57.750.02738Bath 2Shingle Vented Attic R386
Wood0.10ft²154.000.02738Bedroom 2Shingle Vented Attic R387
Wood0.10ft²154.000.02738Bed 3Shingle Vented Attic R388
Wood0.10ft²19.250.02738HallShingle Vented Attic R389
Wood0.10ft²196.000.02738Master BedShingle Vented Attic R3810
Wood0.10ft²21.000.02738M ToiletShingle Vented Attic R3811
Wood0.10ft²77.000.02738Master BathShingle Vented Attic R3812
Wood0.10ft²19.250.02738M HallShingle Vented Attic R3813
(Total Exposed Area = 1656 sq.ft.)WALLS
Below
Grade%
Solar Absor.Frm.U-Sheathing
R-Value
HeightWidthCavityAdjacent To
Frac.FactorAreaInFtInFtR-ValueSpaceWall TypeOrnt#
00.750.250.0840ft²50.0196513MWICWood Wall 2x4 R13ExteriorN1
00.750.250.0840ft²95.61961013Bed 4Wood Wall 2x4 R13ExteriorN2
00.750.250.0840ft²50.0196513FoyerWood Wall 2x4 R13ExteriorN3
00.750.250.0840ft²81.9190913FoyerWood Wall 2x4 R13ExteriorW4
00.200.220.0910ft²86.4196913FoyerWall 2x4 AdjacentPartition-5
00.200.220.0910ft²100.11901113LaundryWall 2x4 AdjacentPartition-6
00.750.250.0840ft²63.71912613Kitch_Din_LivWood Wall 2x4 R13ExteriorE7
00.750.250.0840ft²395.91964313Kitch_Din_LivWood Wall 2x4 R13ExteriorS8
00.200.220.0910ft²36.41912313Kitch_Din_LivWall 2x4 AdjacentPartition-9
00.750.250.0840ft²50.0196513Bath 2Wood Wall 2x4 R13ExteriorN10
00.750.250.0840ft²100.11901113Bedroom 2Wood Wall 2x4 R13ExteriorN11
00.750.250.0840ft²100.11901113Bed 3Wood Wall 2x4 R13ExteriorN12
00.750.250.0840ft²127.419121313Master BedWood Wall 2x4 R13ExteriorN13
00.750.250.0840ft²127.419121313Master BedWood Wall 2x4 R13ExteriorE14
00.750.250.0840ft²27.31912213M ToiletWood Wall 2x4 R13ExteriorS15
00.750.250.0840ft²63.71912613Master BathWood Wall 2x4 R13ExteriorE16
00.750.250.0840ft²100.11901113Master BathWood Wall 2x4 R13ExteriorS17
(Total Exposed Area = 38 sq.ft.)DOORS
HeightWidth
AreaInFtInFtU-ValueStormsSpaceDoor TypeOrnt#
ft²20.186030.088NoneFoyerSolid Core MetalW1
ft²17.986820.088NoneFoyerSolid Core MetalN2
(Total Exposed Area = 148 sq.ft.)WINDOWS
InteriorOverhangWall
ScreeningShadeSeparationDepthAreaImpactSHGCU-FactorNFRCPanesFrameIDOrnt#
NoneNone2 ft 0 in1 ft 4 inft²15.0No0.300.350YesLow-E DoubleVinyl2N1
NoneNone1 ft 6 in14 ft 0 inft²40.2No0.320.570YesLow-E DoubleMetal7E2
NoneNone2 ft 0 in1 ft 4 inft²30.0No0.300.350YesLow-E DoubleVinyl8S3
NoneNone2 ft 0 in1 ft 4 inft²15.0No0.300.350YesLow-E DoubleVinyl11N4
NoneNone2 ft 0 in1 ft 4 inft²15.0No0.300.350YesLow-E DoubleVinyl12N5
NoneNone2 ft 0 in1 ft 4 inft²30.0No0.300.350YesLow-E DoubleVinyl14E6
NoneNone2 ft 0 in1 ft 4 inft²3.0No0.300.350YesLow-E DoubleVinyl16E7
GARAGE
Exposed Wall InsulationAvg. Wall HeightExposed Wall PerimeterCeiling AreaFloor Area#
139 ft63 ft383 ft²383 ft²1
INFILTRATION
ACH 50ACHEqLAELACFM 50SLAMethodScope#
7.000.54180.396.0117450.000406Blower DoorWholehouse1
HEATING SYSTEM
DuctsBlockCapacityEfficiencySubtypeSystem Type#
sys#1126.4 kBtu/hrHSPF: 8.5Split air source heat pump1
COOLING SYSTEM
DuctsBlockSHRAir FlowCapacityEfficiencySubtypeSystem Type#
sys#110.801020 cfm30.0 kBtu/hrSEER: 15.5Split air source heat pump1
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FORM R405-2020
HOT WATER SYSTEM
ConservationSetPntUseCapEFLocationSubtypeSystem Type#
None120 °F70 gal50 gal0.95Electric conventional1
DUCTS
HVAC #PercentCFM 25AirReturn ------------------Supply ------------------
CoolHeatRLFQNLeakageOutHandlerLeakage TypeAreaLocationAreaR-ValueLocation#
116.00(Default)System 1Default Leakage375 ft²System 1 Attic358 ft²6.0System 1 Attic1
TEMPERATURES
Ceiling Fans:NProgrammable Thermostat:
Dec]X[Nov]X[Oct]X[Sep]X[Aug]X[Jul]X[Jun]X[May]X[Apr]X[Mar]X[Feb]X[Jan]X[Cooling
Dec]X[Nov]X[Oct]X[Sep]X[Aug]X[Jul]X[Jun]X[May]X[Apr]X[Mar]X[Feb]X[Jan]X[Heating
Dec]X[Nov]X[Oct]X[Sep]X[Aug]X[Jul]X[Jun]X[May]X[Apr]X[Mar]X[Feb]X[Jan]X[Venting
HoursFlorida Building Code, 7th Edition Thermostat Schedule:
1211109876543(2020) 1 2Schedule Type
757575757575757575757575AMCooling (WD)
757575757575757575757575PM
757575757575757575757575AMCooling (WEH)
757575757575757575757575PM
727272727272727272727272AMHeating (WD)
727272727272727272727272PM
727272727272727272727272AMHeating (WEH)
727272727272727272727272PM
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FORM R405-2020
Florida Building Code, Energy Conservation, 7th Edition (2020)
Mandatory Requirements for Residential Performance, Prescriptive and ERI Methods
PERMIT #:1955 Francis AveADDRESS:
Atlantic Beach, FL 32233
MANDATORY REQUIREMENTS - See individual code sections for full details.
SECTION R401 GENERAL
The building official shall require that an energy performance level (EPL)R401.3 Energy Performance Level (EPL) display card (Mandatory).
display card be completed and certified by the builder to be accurate and correct before final approval of the building for occupancy. Florida law
(Section 553.9085, Florida Statues) requires the EPL display card to be included as an addendum to each sales contract for both presold and
nonpresold residential buildings. The EPL display card contains information indicating the energy performance level and efficiencies of components
installed in a dwelling unit. completed and signed by the builder The building official shall verify that the EPL display card accurately reflects the plans
and specifications submitted to demonstrate compliance for the building. A copy of the EPL display card can be found in Appendix RD.
The building thermal envelope shall be constructed to limit air leakage in accordance with the requirements ofR402.4 Air leakage (Mandatory).
Sections R402.4.1 through R402.4.5.
Dwelling units of R-2 Occupancies and multiple attached single family dwellings shall be permitted toException:
comply with Section C402.5.
The building thermal envelope shall comply with Sections R402.4.1.1 and R402.4.1.2. The sealingR402.4.1 Building thermal envelope.
methods between dissimilar materials shall allow for differential expansion and contraction.
The components of the building thermal envelope as listed in Table R402.4.1.1 shall be installed in accordanceR402.4.1.1 Installation.
with the manufacturer’s instructions and the criteria listed in Table 402.4.1.1, as applicable to the method of construction. Where required
by the code official, an approved third party shall inspect all components and verify compliance.
The building or dwelling unit shall be tested and verified as having an air leakage rate not exceeding seven airR402.4.1.2 Testing.
changes per hour in Climate Zones 1 and 2, and three air changes per hour in Climate Zones 3 through 8. Testing shall be conducted in
accordance with ANSI/RESET/ICC 380 and reported at a pressure of 0.2 inch w.g. (50 Pascals). Testing shall be conducted by either
individuals as defined in Section 553.993(5) or (7), Florida Statutes or individuals licensed as set forth in Section 489.105(3)(f), (g), or (i) or
an approved third party. A written report of the results of the test shall be signed by the party conducting the test and provided to the code
official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.
Testing is not required for additions, alterations, renovations, or repairs, of the building thermal envelope of existingException:
buildings in which the new construction is less than 85 percent of the building thermal envelope.
During testing:
1. Exterior windows and doors, fireplace and stove doors shall be closed, but not sealed, beyond the intended
weatherstripping or other infiltration control measures.
2. Dampers including exhaust, intake, makeup air, backdraft and flue dampers shall be closed, but not sealed beyond
intended infiltration control measures.
3. Interior doors, if installed at the time of the test, shall be open.
4. Exterior doors for continuous ventilation systems and heat recovery ventilators shall be closed and sealed.
5. Heating and cooling systems, if installed at the time of the test, shall be turned off.
6. Supply and return registers, if installed at the time of the test, shall be fully open.
New wood-burning fireplaces shall have tight-fitting flue dampers or doors, and outdoor combustion air. WhereR402.4.2 Fireplaces.
using tight-fitting doors on factory-built fireplaces listed and labeledin accordance with UL 127, the doors shall be tested and listed for the
fireplace. Where using tight-figging doors on masonry fireplaces,the doors shall be listed and labeled in accordance with UL 907.
Windows, skylights and sliding glass doors shall have an air infiltration rate of no more than 0.3 cfm perR402.4.3 Fenestration air leakage.
square foot (1.5 L/s/m2), and swinging doors no more than 0.5 cfm per square foot (2.6 L/s/m2), when tested according to NFRC 400 or
AAMA/WDMA/CSA 101/I.S.2/A440 by an accredited, independent laboratory and listed and labeled by the manufacturer.
Site-built windows, skylights and doors.Exception:
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FORM R405-2020
MANDATORY REQUIREMENTS - (Continued)
In Climate Zones 3 through 8, where open combustion air ducts provide combustion air toR402.4.4 Rooms containing fuel-burning appliances
open combustion fuel burning appliances, the appliances and combustion air opening shall be located outside the building thermal envelope or
enclosed in a room, isolated from inside the thermal envelope. Such rooms shall be sealed and insulated in accordance with the envelope requirements
of Table R402.1.2, where the walls, floors and ceilings shall meet not less than the basement wall R-value requirement. The door into the room shall be
fully gasketed and any water lines and ducts in the room insulated in accordance with Section R403. The combustion air duct shall be insulated where it
passes through conditioned space to a minimum of R-8.
Exceptions:
1. Direct vent apliances with both intake and exhaust pipes installed continuous to the outside.
2.Fireplaces and stoves complying with Section R402.4.2 and Section R1006 of the Florida Building Code, Residential.
Recessed luminaires installed in the building thermal envelope shall be sealed to limit air leakageR402.4.5 Recessed lighting.
between conditioned and unconditioned spaces. All recessed luminaires shall be IC-rated and labeled as having an air leakage rate not
more than 2.0 cfm (0.944 L/s) when tested in accordance with ASTM E283 at a 1.57 psf (75 Pa) pressure differential. All recessed
luminaires shall be sealed with a gasket or caulk between the housing and the interior wall or ceiling covering.
SECTION R403 SYSTEMS
R403.1 Controls
At least one thermostat shall be provided for each separate heating and cooling system.R403.1.1 Thermostat provision (Mandatory).
Heat pumps having supplementary electric-resistance heat shall have controlsR403.1.3 Heat pump supplementary heat (Mandatory).
that, except during defrost, prevent supplemental heat operation when the heat pump compressor can meet the heating load.
All ducts, air handlers, filter boxes and building cavities that form the primary air containment passagewaysR403.3.2 Sealing (Mandatory).
for air distribution systems shall be considered ducts and plenum chambers, shall be constructed and sealed in accordance with Section
C403.2.9.2 of the Commercial Provisions of this code and shall be shown to meet duct tightness criteria below.
Duct tightness shall be verified by testing in accordance with ANSI/RESNET/ICC 380 by either individuals as defined in Section 553.993(5) or (7),
Florida Statutes, or individuals licensed as set forth in Section 489.105(3)(f), (g), or (i), Florida Statutes, to be "substantially leak free" in
accordance with Section R403.3.3.
Air handlers shall have a manufacturer’s designation for an air leakage of no more than 2 percentR403.3.2.1 Sealed air handler.
of the design air flow rate when tested in accordance with ASHRAE 193.
Ducts shall be pressure tested to determine air leakage by one of the following methods:R403.3.3 Duct testing.
1. Rough-in test: Total leakage shall be measured with a pressure differential of 0.1 inch w.g. (25 Pa) across the system, including the
manufacturer's air handler enclosure if installed at the time of the test. All registers shall be taped or otherwise sealed during the test.
2. Post construction test: Total leakage shall be measured with a pressure differential of 0.1 inch w.g. (25 Pa) across the
entire system, including the manufacturer's air handler enclosure. All registers shall be taped or otherwise sealed during the test.
Exceptions:
1. A duct leakage test shall not be required where the ducts and air handlers are located entirely within the building thermal envelope.
2.Duct testing is not mandatory for buildings complying by Section 405 of this code.
A written report of the results of the test shall be signed by the party conducting the test and provided to the code official.
Building framing cavities shall not be used as ducts or plenums.R403.3.5 Building Cavities (Mandatory).
Mechanical system piping capable of carrying fluids above 105°F (41°C)R403.4 Mechanical system piping insulation (Mandatory).
or below 55°F (13°C) shall be insulated to a minimum of R-3.
Piping insulation exposed to weather shall be protected from damage, including thatR403.4.1 Protection of piping insulation.
caused by sunlight, moisture, equipment maintenance, and wind, and shall provide shielding from solar radiation that can cause
degradation of the material. Adhesive tape shall not be permitted.
Heated water circulation systems shall be inR403.5.1 Heated water circulation and temperature maintenance systems (Mandatory).
accordance with Section R403.5.1.1. Heat trace termperature maintenance systems shall be in accordance with Section R403.5.1.2.
Automatic controls, temperature sensors and pumps shall be accessible. Manual controls shall be readily accessible.
Heated water circulation systems shall be provided with a circulation pump. The system return pipeR403.5.1.1 Circulation systems.
shall be dedicated return pipe or a cold water supply pipe. Gravity and thermosiphon circulation systems shall be prohibited.
Controls for circulating hot water system pumps shall start the pump based on the identification of a demand for how water within the
occupancy. The controls shall automatically turn off the pump when the water in the circulation loop is at the desired temperature and
when there is no demand for hot water.
Electric heat trace systems shall comply with IEEE 515.1 or UL 515. Controls for such systemsR403.5.1.2 Heat trace systems.
shall automatically adjust the energy input to the heat tracing to maintain the desired water temperature in the piping in accordance
with the times when heated water is used in the occupancy.
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FORM R405-2020
MANDATORY REQUIREMENTS - (Continued)
Storage water heaters not equipped with integral heat traps and having vertical pipe risers shall have heatR403.5.5 Heat traps (Mandatory).
traps installed on both the inlets and outlets. External heat traps shall consist of either a commercially available heat trap or a
downward and upward bend of at least 3 1/2 inches (89 mm) in the hot water distribution line and cold water line located as close as
possible to the storage tank.
R403.5.6 Water heater efficiencies (Mandatory).
R403.5.6.1 Storage water heater temperature controls.
Service water heating systems shall be equipped with automatic temperature controls capableR403.5.6.1.1 Automatic controls.
of adjustment from the lowest to the highest acceptable temperature settings for the intended use. The minimum temperature
setting range shall be from 100°F to 140°F (38°C to 60°C).
A separate switch or a clearly marked circuit breaker shall be provided to permit the power suppliedR403.5.6.1.2 shut down.
to electric service systems to be turned off. A separate valve shall be provided to permit the energy supplied to the main burner(s)
of combustion types of service water heating systems to be turned off.
Water heating equipment installed in residential units shall meet the minimum efficiencies ofR403.5.6.2 Water heating equipment.
Table C404.2 in Chapter 4 of the Florida Building Code, Energy Conservation, Commercial Provisions, for the type of equipment
installed. Equipment used to provide heating functions as part of a combination system shall satisfy all stated requirements for the
appropriate water heating category. Solar water heaters shall met the criteria of Section R403.5.6.2.1.
Solar systems for domestic hot water production are rated by the annual solar energyR403.5.6.2.1 Solar water heating system.
factor of the system. The solar energy factor of a system shall be determined from the Florida Solar Energy Center Directory of
Certified Solar Systems. Solar collectors shall be tested in accordance with ISO Standard 9806, Test Methods for Solar Collectors,
and SRCC Standard TM-1, Solar Domestic Hot Water System and Component Test Protocol. Collectors in installed solar
water-heating systems should meet the following criteria:
1. Be installed with a tilt angle between 10 degrees and 40 degrees of the horizontal; and
2. Be installed at an orientation within 45 degrees of true south.
The building shall be provided with ventilation that meets the requirements of the FloridaR403.6 Mechanical ventilation (Mandatory).
Building Code, Residential or Florida Building Code, Mechanical, as applicable, or with other approved means of ventilation, including:
Natural, Infiltration or Mechanical means. Outdoor air intakes and exhausts shall have automatic or gravity dampers that close when the
ventilation system is not operating.
When installed to function as a whole-house mechanicalR403.6.1 Whole-house mechanical ventilation system fan efficacy.
ventilation system, fans shall meet the efficacy requirements of Table R403.6.1.
Where mechanical ventilation fans are integral to tested and listed HVAC equipment, they shall be powered byException:
an electronically commutated motor.
Residential buildings designed to be operated at a positive indoor pressure of for mechanicalR403.6.2 Ventilation air.
ventilation shall meet the following criteria:
1. The design air change per hour minimums for residential buildings in ASHRAE 62.2, Ventilation for Acceptable
Indoor Air Quality, shall be the maximum rates allowed for residential applications.
2. No ventilation or air-conditioning system make-up air shall be provided to conditioned space from attics,
crawlspaces, attached enclosed garages or outdoor spaces adjacent to swimming pools or spas.
3. If ventilation air is drawn from enclosed spaces(s), then the walls of the space(s) from which air is drawn shall be
insulated to a minimum of R-11 and the ceiling shall be insulated to a minimum or R-19, space permitting, or R-10 otherwise.
R403.7 Heating and cooling equipment (Mandatory).
Heating and cooling equipment shall be sized in accordance with ACCA Manual S based on theR403.7.1 Equipment sizing.
equipment loads calculated in accordance with ACCA Manual J or other approved methodologies, heating and cooling calculation
based on building loads for the directional orientation of the building. The manufacturer and model number of the outdoor and
indoor units (if split system) shall be submitted along with the sensible and total cooling capacities at the design conditions
described in Section R302.1. This code does not allow designer safety factors, provisions for future expansion or other factors that
affect equipment sizing. System sizing calculations shall not include loads created by local intermittent mechanical ventilation such
as standard kitchen and bathroom exhaust systems. New or replacement heating and cooling equipment shall have an efficiency
rating equal to or greater than the minimum required by federal law for the geographic location where the equipment is installed.
TABLE R403.6.1
WHOLE-HOUSE MECHANICAL VENTILATION SYSTEM FAN EFFICACY
AIRFLOW RATE MAXIMUMMINIMUM EFFICACY (a)AIRFLOW RATE MINIMUMFAN LOCATION
CFMCFM/WATTCFM
Any2.8 cfm/wattAnyRange hoods
Any2.8 cfm/wattAnyIn-line fan
< 901.4 cfm/watt10Bathroom, utility room
Any2.8 cfm/watt90Bathroom, utility room
(a)When tested in accordance HVI Standard 916For SI: 1 cfm - 28.3 L/min.
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MANDATORY REQUIREMENTS - (Continued)
Cooling only equipment shall be selected so that its total capacity is not lessR403.7.1.1 Cooling equipment capacity.
than the calculated total load but not more than 1.15 times greater than the total load calculated according to the procedure selected in
Section 403.7, or the closest available size provided by the manufacturer’s product lines. The corresponding latent capacity of the
equipment shall not be less than the calculated latent load.
The published value for AHRI total capacity is a nominal, rating-test value and shall not be used for equipment sizing. Manufacturer’s
expanded performance data shall be used to select cooling-only equipment. This selection shall be based on the outdoor design dry-bulb
temperature for the load calculation (or entering water temperature for water-source equipment), the blower CFM provided by the expanded
performance data, the design value for entering wet-bulb temperature and the design value for entering dry-bulb temperature
Design values for entering wet-bulb and dry-bulb temperatures shall be for the indoor dry bulb and relative humidity used for the load
calculation and shall be adjusted for return side gains if the return duct(s) is installed in an unconditioned space.
Exceptions:
1. Attached single- and multiple-family residential equipment sizing may be selected so that its cooling capacity is
less than the calculated total sensible load but not less than 80 percent of that load.
2. When signed and sealed by a Florida-registered engineer, in attached single- and multiple-family units, the
capacity of equipment may be sized in accordance with good design practice.
R403.7.1.2 Heating equipment capacity.
Heat pump sizing shall be based on the cooling requirements as calculated according to SectionR403.7.1.2.1 Heat pumps
R403.7.1.1, and the heat pump total cooling capacity shall not be more than 1.15 times greater than the design cooling load even if
the design heating load is 1.15 times greater than the design cooling load.
Electric resistance furnaces shall be sized within 4 kW of the designR403.7.1.2.2 Electric resistance furnaces.
requirements calculated according to the procedure selected in Section R403.7.1
The capacity of fossil fuel heating equipment with natural draft atmospheric burnersR403.7.1.2.3 Fossil fuel heating equipment.
shall not be less than the design load calculated in accordance with Section R403.7.1.
Residences requiring excess cooling or heating equipment capacity on anR403.7.1.3 Extra capacity required for special occasions.
intermittent basis, such as anticipated additional loads caused by major entertainment events, shall have equipment sized or controlled to
prevent continuous space cooling or heating within that space by one or more of the following options:
1. A separate cooling or heating system is utilized to provide cooling or heating to the major entertainment areas.
2. A variable capacity system sized for optimum performance during base load periods is utilized.
Systems serving multiple dwelling units shall comply with SectionsR403.8 Systems serving multiple dwelling units (Mandatory).
C403 and C404 of the IECC—Commercial Provisions in lieu of Section R403.
Snow- and ice-melting systems, supplied through energy service to the building,R403.9 Snow melt and ice system controls (Mandatory).
shall include automatic controls capable of shutting off the system when the pavement temperature is above 50°F (10°C), and no
precipitation is falling and an automatic or manual control that will allow shutoff when the outdoor temperature is above 40°F (4.8°C).
The energy consumption of pools and permanent spasR403.10 Pools and permanent spa energy consumption (Mandatory).
shall be in accordance with Sections R403.10.1 through R403.10.5.
The electric power to heaters shall be controlled by a readily accessible on-off switch that is anR403.10.1 Heaters.
integral part of the heater mounted on the exterior of the heater, or external to and within 3 feet (914 mm) of the heater. Operation
of such switch shall not change the setting of the heater thermostat. Such switches shall be in addition to a circuit breaker for the
power to the heater. Gas-fired heaters shall not be equipped with continuously burning ignition pilots.
Time switches or other control methods that can automatically turn off and on according to a preset scheduleR403.10.2 Time switches.
shall be installed for heaters and pump motors. Heaters and pump motors that have built-in time switches shall be in compliance with this
section.
Exceptions:
1. Where public health standards require 24-hour pump operations.
2. Pumps that operate solar- and waste-heat-recovery pool heating systems.
3. Where pumps are powered exclusively from on-site renewable generation.
Outdoor heated swimming pools and outdoor permanent spas shall be equipped with a vapor- retardant cover on or atR403.10.3 Covers.
the water surface or a liquid cover or other means proven to reduce heat loss.
Where more than 70 percent of the energy for heating, computed over an operation season, is from site-recoveredException:
energy, such as from a heat pump or solar energy source, covers or other vapor-retardant means shall not be required.
All gas- and oil-fired pool and spa heaters shall have a minimum thermalR403.10.4 Gas- and oil-fired pool and spa heaters.
efficiency of 82 percent for heaters manufactured on or after April 16, 2013, when tested in accordance with ANSI Z 21.56. Pool
heaters fired by natural or LP gas shall not have continuously burning pilot lights.
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MANDATORY REQUIREMENTS - (Continued)
Heat pump pool heaters shall have a minimum COP of 4.0 when tested in accordanceR403.10.5 Heat pump pool heaters.
with AHRI 1160, Table 2, Standard Rating Conditions-Low Air Temperature. A test report from an independent laboratory is
required to verify procedure compliance. Geothermal swimming pool heat pumps are not required to meet this standard.
The energy consumption of electric-powered portable spas shall be controlled by theR403.11 Portable spas (Mandatory).
requirements of APSP-14.
SECTION R404
ELECTRICAL POWER AND LIGHTING SYSTEMS
Not less than 75 percent of the lamps in permanently installed lighting fixtures shall beR404.1 Lighting equipment (Mandatory).
high-efficacy lamps or not less than 75 percent of the permanently installed lighting fixtures shall contain only high-efficacy lamps.
Low-voltage lighting.Exception:
Fuel gas lighting systems shall not have continuously burning pilot lights.R404.1.1 Lighting equipment (Mandatory).
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FORM R405-2020
TABLE 402.4.1.1
AIR BARRIER AND INSULATION INSPECTION COMPONENT CRITERIA
XL PropertiesBuilder NameModel 1644Project Name:
Duval CountyPermit Office:1955 Francis AveStreet:
Permit Number:Atlantic Beach, FL 32233City, State, Zip:
261000Jurisdiction:Owner:
FL, Jacksonville NASDesign Location:
INSULATION INSTALLATION CRITERIAAIR BARRIER CRITERIACOMPONENT
A continuous air barrier shall be installed in theGeneral
requirements Air-permeable insulation shall not be used as abuilding envelope. The exterior thermal envelope sealing material.contains a continuous barrier. Breaks or joints in the
air barrier shall be sealed.
The insulation in any dropped ceiling/soffitThe air barrier in any dropped ceiling/soffitCeiling/attic
shall be aligned with the air barrier.shall be aligned with the insulation and any
gaps in the air barrier shall be sealed.
Access openings, drop down stairs or knee wall doors
to unconditioned attics paces shall be sealed.
Cavities with corners and headers of frame wallsThe junction of the foundation and sill plateWalls
shall be insulated by completely filling the cavityshall be sealed.The junction of the top plate
with a material having a thermal resistance of R-3and the top of exterior walls shall be sealed.
per inch minimum.Knee walls shall be sealed.
Exterior thermal envelope insulation for framed
walls shall be installed in substantial contact and
continuous alignment with the air barrier
The space between window/door jambs and framing,Windows, skylights
and skylights and framing shall be sealed.and doors
Rim joists shall be insulated.Rim joists are insulated and include an air
barrier.Rim joists
Floor framing cavity Insulation shall be installedThe air barrier shall be installed at any exposedFloors (including
to maintain permanent contact with the undersideedge of insulation.above-garage and
of subfloor decking, or floor framing cavitycantilevered floors)
insulation shall be permitted to be in contact
with the top sideof sheathing, or continuous
insulation installed on the underside of floor
framing and extends from the bottom to the top of
all perimeter floor framing members.
Where provided in lieu of floor insulation,Exposed earth in unvented crawl spaces shall beCrawl space
insulation shall be permanently attachedcovered with a Class I vapor retarder withwalls
to the crawlspace walls.overlapping joints taped.
Duct shafts, utility penetrations, and flue shaftShafts, penetrations
openings to exterior or unconditioned space shall
be sealed.
Batts in narrow cavities shall be cut to fit, orNarrow cavities
narrow cavities shall be filled by insulation that
on installation readily conforms to the available
cavity spaces.
Air sealing shall be provided between the garageGarage
and conditioned spaces.separation
Recessed light fixtures installed in theRecessed light fixtures installed in the buildingRecessed
building thermal envelope shall be air tightthermal envelope shall be sealed to the drywall.lighting
and IC rated.
Batt insulation shall be cut neatly to fit aroundPlumbing and
wiring and plumbing in exterior walls, orwiring
insulation that on installation readily conforms
to available space shall extend behind piping
and wiring.
Exterior walls adjacent to showers and tubsThe air barrier shall be installed behindShower/tub on
shall be insulated.electrical or communication boxes or air-sealedexterior wall
boxes shall be installed.
The air barrier shall be installed behindElectrical/phone
electrical or communication boxes or air-sealedbox on exterior
boxes shall be installed.walls
HVAC register boots that penetrate buildingHVAC register
thermal envelope shall be sealed to the subfloorboots
or drywall.
When required to be sealed, concealed fireConcealed
sprinklers shall only be sealed in a manner thatsprinklers
is recommended by the manufacturer.
Caulking or other adhesive sealants shall not be
used to fill voids between fire sprinkler cover
plates and walls or ceilings.
a. In addition, inspection of log walls shall be in accordance with the provisions of ICC-400.
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