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HomeMy WebLinkAboutManual J CalcsLoad Report Project #:03072024 Manual J8 Load Calculation Project Information March 07, 2024 Project #: Name: Location: WITTENBERG RESIDENCE 03072024 SPRINGRIDGE DRIVE LOT 15 GLENWOOD SPRINGS, CO Notes:FOR ROLAND/CLASS 5 Manual J Load Summary Outdoor Conditions Indoor Conditions Total Heating: 124,449 Btu/hr Total Sensible: 0 Btu/hr Total Latent: 0 Btu/hr Location:(User Specified) Glenwood Springs,Colorado Elevation:5800' Latitude:39 Heating Cooling Dry Bulb:-10.0 °F 90.0 °F Daily Range:Medium Wet Bulb:70.0 °F Heating Cooling Room Temp:70 °F Design Temp Diff:80.0 °F 15.0 °F Humidity:35 50 Moisture Diff (Grains):24.4 Infiltration Ventilation Method:Simple Stories:1 Construction:Tight Exposure Category:Three or Four Exposures Num Fireplaces:1 (Tight) Net Air Changes (Heat/Cool):0.10 / 0.00 Net Flow (Heat/Cool):67 cfm / 0 cfm Num Occupants:5 Heating Type:Heat Recovery ACH:0.35 Outside Air:233 cfm Sensible Eff:50 % Cooling Type:Heat Recovery Outside Air:0 cfm Sensible Eff:50 % Floorplan/Levels Main Floor 2,693 ft² Future Addition 1,025 ft² Total Heated Area:3,718 ft² Total Cooled Area:0 ft² Created Using LoopCAD 2023 REHAU (3/7/2024) Version:23.0.0296 R (1) ΔT: Difference between supply air and return air (2) Estimated air flow based on specified supply air ΔT Length = ft Area = ft² Temperature = °F Flowrate = USGPM Air Flow = cfm Heat Loss = Btu/hr Unit Heat Loss = Btu/(hr·ft²) Rv = hr·ft²·°F/btu Head Loss = ft water RH = Radiant Floor Heating BB = Baseboard FA = Forced Air OTH = Other Heating SM = Snowmelt N = Not Heated See end of report for important Notes and Disclaimers.Page 1 of 5 Name:WITTENBERG RESIDENCE Project #:03072024 Load Report March 07, 2024 Constructions Walls Code Description U-Value Area Heating Cooling WOOD FRAME 2X6 FRAMING 0.050 4,260 17,040 0 WOOD FRAME 2X6 FRAMING 0.050 178 0 0 Floors Code Description U-Value Area Heating Cooling Concrete Thin Slab-r Concrete Thin Slab -0.159 1,958 32,600 0 Concrete Thin Slab-r Concrete Thin Slab -0.159 735 12,624 0 Concrete Thin Slab-r Concrete Thin Slab -0.160 1,004 16,830 0 Ceilings Code Description U-Value Area Heating Cooling Custom Insulated Ceiling Under Attic or Attic Knee Wall (Vented w/ Radiant Barrier); R-49 Insulation; Roof Material: Metal; Roof Color: Dark; 0.022 3,697 6,645 0 Glazing Windows Code Description Exposure U-Value SHGC Area Heating Cooling 3Aw Operable window or sliding glass door, with Emissivity of Low-e coating = 0.40 - Wood, Wood with Metal Clad or Vinyl Framing, BlindsMedium45 (50%) W 0.53 0.56 168 7,123 0 3Aw Operable window or sliding glass door, with Emissivity of Low-e coating = 0.40 - Wood, Wood with Metal Clad or Vinyl Framing, BlindsMedium45 (50%) S 0.53 0.56 75 3,160 0 3Aw Operable window or sliding glass door, with Emissivity of Low-e coating = 0.40 - Wood, Wood with Metal Clad or Vinyl Framing, BlindsMedium45 (50%) N 0.53 0.56 108 4,572 0 DOUBLE PANE LOW E-GLASS, BlindsMedium45 (50%)E 0.30 0.56 47 1,117 0 DOUBLE PANE LOW E-GLASS, BlindsMedium45 (50%)W 0.30 0.56 224 5,388 0 DOUBLE PANE LOW E-GLASS, BlindsMedium45 (50%)N 0.30 0.56 63 1,501 0 DOUBLE PANE LOW E-GLASS, BlindsMedium45 (50%)S 0.30 0.56 109 2,616 0 Created Using LoopCAD 2023 REHAU (3/7/2024) Version:23.0.0296 R (1) ΔT: Difference between supply air and return air (2) Estimated air flow based on specified supply air ΔT Length = ft Area = ft² Temperature = °F Flowrate = USGPM Air Flow = cfm Heat Loss = Btu/hr Unit Heat Loss = Btu/(hr·ft²) Rv = hr·ft²·°F/btu Head Loss = ft water RH = Radiant Floor Heating BB = Baseboard FA = Forced Air OTH = Other Heating SM = Snowmelt N = Not Heated See end of report for important Notes and Disclaimers.Page 2 of 5 Name:WITTENBERG RESIDENCE Project #:03072024 Load Report March 07, 2024 Heating Load Breakdown Windows* Walls Ceilings Infiltration Ventilation Radiant Back Loss Load Breakdown *Average Load Procedure Est. Heating CFM²: 0 Heating ΔT¹: 70.0 Name Heating Sensible Latent Windows*25,477 0 Skylights*0 0 Doors 0 0 Walls 17,040 0 Below Grade Walls 0 Ceilings 6,645 0 Floors 0 0 Infiltration 4,812 0 0 Internal 0 0 Other 0 Duct Loads 0 0 0 Ventilation 8,421 0 0 Humidification 0 Piping Load 0 Radiant Back Loss 62,054 Blower Heat 0 AED*0 Total 124,449 0 0 Total Area 3,718 ft²0 ft² Created Using LoopCAD 2023 REHAU (3/7/2024) Version:23.0.0296 R (1) ΔT: Difference between supply air and return air (2) Estimated air flow based on specified supply air ΔT Length = ft Area = ft² Temperature = °F Flowrate = USGPM Air Flow = cfm Heat Loss = Btu/hr Unit Heat Loss = Btu/(hr·ft²) Rv = hr·ft²·°F/btu Head Loss = ft water RH = Radiant Floor Heating BB = Baseboard FA = Forced Air OTH = Other Heating SM = Snowmelt N = Not Heated See end of report for important Notes and Disclaimers.Page 3 of 5 Heating Zones Zone Area Room Temp Total Load Zone 101 2,693 70 88,436 Zone 201 1,025 70 36,013 Heating Rooms Room Area Room Temp Total Load* BED 1 129 70 3,456 BED 2 162 70 4,860 GARAGE 634 70 17,561 HALL/BATH 133 70 2,992 KITCHEN/DINING AREA 735 70 29,568 LIVING ROOM AREA 461 70 15,231 MASTER BATH 139 70 4,134 MASTER BED/CLOSET 300 70 10,633 FUTURE ADDITION 1,025 70 36,013 * The sum of room loads may not be equal to the project total due to additional system loads. Design Locaton MJ8Custom Location:Glenwood Springs Province/State:Colorado Country:United States Outdoor Heating Design Temp:-10.0 °F Outdoor Cooling Design Temp:90.0 °F Altitude:5800'ft Latitude:39 Wet Bulb Temperature:70.0 °F Daily Range:Medium Name:WITTENBERG RESIDENCE Project #:03072024 Load Report March 07, 2024 Created Using LoopCAD 2023 REHAU (3/7/2024) Version:23.0.0296 R (1) ΔT: Difference between supply air and return air (2) Estimated air flow based on specified supply air ΔT Length = ft Area = ft² Temperature = °F Flowrate = USGPM Air Flow = cfm Heat Loss = Btu/hr Unit Heat Loss = Btu/(hr·ft²) Rv = hr·ft²·°F/btu Head Loss = ft water RH = Radiant Floor Heating BB = Baseboard FA = Forced Air OTH = Other Heating SM = Snowmelt N = Not Heated See end of report for important Notes and Disclaimers.Page 4 of 5 Name:WITTENBERG RESIDENCE Project #:03072024 Load Report March 07, 2024 Disclaimers With the permission of the Air Conditioning Contractors of America (“ACCA”), material is reproduced from Manual J Residential Load Calculation (8th Edition) which is copyrighted by ACCA. The program and data are provided "as is" without warranty of any kind either expressed or implied. The entire risk as the quality and performance of the program and data is with you. In no event will ACCA be liable to you for any damages, including without limitation any lost profits, lost savings, or other incidental or consequential damages arising out of the use or inability to use this program or the data. © 2015 Air Conditioning Contractors of America. All Rights Reserved. www.acca.org ACCA, Manual J and Powered by ACCA Manual J are registered trademarks of the Air Conditioning Contractors of America. All rights reserved. Cold weather humidification, or some lifestyles that produce excessive moisture, may cause condensation to occur if the absolute humidity of the indoor air is too high for the momentary circumstances. Condensation can occur on surfaces or concealed within the structure, and can lead to mold, mildew, frost damage, and moisture damage. The software does not perform calculations for the estimation or detection of possible condensation problems, and it is the designers (i.e. software users) responsibility to do so independently if required. For guidance and additional cautions refer to ACCA Manual J 8th Edition, including Section 1-11 and Section 27. This technical information is provided only for general quotation purposes and is based in part on information you provided. No representations, warranties, or guarantees are made regarding the suitability of REHAU technical information to meet code requirements for any particular project, nor regarding the accuracy of the costing of any project based upon this information. This technical information is not intended to be used as final drawings or specifications and is provided only as an aid in architect's/engineer’s development of the final Specification and is not intended as a substitute for sound architectural/engineering judgment. The architect/engineer shall be responsible to convert this technical information into a final Specification that meets the functional and aesthetic needs of its client, as well as complying with all applicable codes and local climate conditions. IN NO EVENT WILL AVENIR SOFTWARE INC. (“AVENIR”) OR ITS AFFILIATES BE LIABLE UNDER ANY CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHER LEGAL OR EQUITABLE THEORY FOR ANY CONSEQUENTIAL, INCIDENTAL, INDIRECT OR SPECIAL OR PUNITIVE DAMAGES WHATSOEVER (INCLUDING, BUT NOT LIMITED TO, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION OR DATA AND THE LIKE), EVEN IF SUCH PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. AVENIR’S CUMULATIVE LIABILITY FROM ANY CAUSE RELATED TO OR ARISING FROM THE USE THIS REPORT, AND REGARDLESS OF THE FORM OF THE ACTION, SHALL BE LIMITED TO NO GREATER THAN THE AMOUNT OF FEES PAID TO AVENIR UNDER THE SOFTWARE LICENSE AGREEMENT. Created Using LoopCAD 2023 REHAU (3/7/2024) Version:23.0.0296 R (1) ΔT: Difference between supply air and return air (2) Estimated air flow based on specified supply air ΔT Length = ft Area = ft² Temperature = °F Flowrate = USGPM Air Flow = cfm Heat Loss = Btu/hr Unit Heat Loss = Btu/(hr·ft²) Rv = hr·ft²·°F/btu Head Loss = ft water RH = Radiant Floor Heating BB = Baseboard FA = Forced Air OTH = Other Heating SM = Snowmelt N = Not Heated See end of report for important Notes and Disclaimers.Page 5 of 5