Show HG TRV/HP model computations. Date/time: Sun Dec 03 15:45:14 GMT 2023 Hardwired model, electricity demand normal / setback: 769W / 815W Parameterised model, all default parameters, electricity demand normal / setback: 769W / 815W Parameterised model, fixes applied for doors and CoP temperature, electricity demand normal / setback: 812W / 895W Parameterised model, fixes applied and AABB lower-loss arrangement, electricity demand normal / setback: 812W / 824W Parameterised model, fixes applied for doors and CoP temperature, external air temperature varied... ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-13.0], electricity demand normal / setback: 1386W / 1593W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-12.0], electricity demand normal / setback: 1319W / 1510W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-11.0], electricity demand normal / setback: 1255W / 1430W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-10.0], electricity demand normal / setback: 1192W / 1354W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-9.0], electricity demand normal / setback: 1132W / 1280W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-8.0], electricity demand normal / setback: 1074W / 1210W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-7.0], electricity demand normal / setback: 1018W / 1142W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-6.0], electricity demand normal / setback: 964W / 1077W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-5.0], electricity demand normal / setback: 912W / 1014W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-4.0], electricity demand normal / setback: 861W / 953W *** original external air temperature, ie -3.0C ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0], electricity demand normal / setback: 812W / 895W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-2.0], electricity demand normal / setback: 764W / 839W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-1.0], electricity demand normal / setback: 718W / 785W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=0.0], electricity demand normal / setback: 674W / 733W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=1.0], electricity demand normal / setback: 631W / 682W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=2.0], electricity demand normal / setback: 589W / 633W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=3.0], electricity demand normal / setback: 549W / 586W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=4.0], electricity demand normal / setback: 509W / 541W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=5.0], electricity demand normal / setback: 471W / 497W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=6.0], electricity demand normal / setback: 434W / 455W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=7.0], electricity demand normal / setback: 399W / 414W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=8.0], electricity demand normal / setback: 364W / 374W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=9.0], electricity demand normal / setback: 330W / 336W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=10.0], electricity demand normal / setback: 298W / 298W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=11.0], electricity demand normal / setback: 266W / 262W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=12.0], electricity demand normal / setback: 235W / 228W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=13.0], electricity demand normal / setback: 206W / 194W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=14.0], electricity demand normal / setback: 177W / 161W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=15.0], electricity demand normal / setback: 149W / 130W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=16.0], electricity demand normal / setback: 122W / 99W ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=17.0], electricity demand normal / setback: 96W / 70W Parameterised model, fixes applied for doors and CoP temperature, external air temperature varied... London (EGLL) 2018 hourly temperatures Percentage of hours that room setback raises heat pump demand: 45% Heat mean demand: with no setback 719W, with setback 634W; -12% change with setback Heat pump mean power: with no setback 246W, with setback 253W; 3% change with setback Parameterised model, fixes applied for doors and CoP temperature, external air temperature varied... Glasgow (EGPF) 2018 hourly temperatures Percentage of hours that room setback raises heat pump demand: 56% Heat mean demand: with no setback 938W, with setback 832W; -11% change with setback Heat pump mean power: with no setback 327W, with setback 339W; 4% change with setback Bungalow (original) vs detached: Parameterised bungalow model, fixes applied for doors and CoP temperature, electricity demand normal / setback: 812W / 895W Parameterised detached model, fixes applied for doors and CoP temperature, electricity demand normal / setback: 1131W / 1348W 7 towns/cites, 10Y hourly data (201x, 87648 hours), bungalow and detached, two room heating patterns: Belfast (weather station at EGAA): Archetype bungalow Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 940W, with setback 830W; -12% change with setback Heat pump mean power: with no setback 324W, with setback 334W; 3% change with setback Percentage of hours that room setback raises heat pump demand: 56% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 940W, with setback 830W; -12% change with setback Heat pump mean power: with no setback 324W, with setback 309W; -4% change with setback Percentage of hours that room setback raises heat pump demand: 4% Archetype detached Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1442W, with setback 1273W; -12% change with setback Heat pump mean power: with no setback 469W, with setback 523W; 12% change with setback Percentage of hours that room setback raises heat pump demand: 77% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1442W, with setback 1273W; -12% change with setback Heat pump mean power: with no setback 469W, with setback 447W; -5% change with setback Percentage of hours that room setback raises heat pump demand: 4% Manchester (weather station at EGCC): Archetype bungalow Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 875W, with setback 772W; -12% change with setback Heat pump mean power: with no setback 302W, with setback 311W; 3% change with setback Percentage of hours that room setback raises heat pump demand: 52% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 875W, with setback 772W; -12% change with setback Heat pump mean power: with no setback 302W, with setback 288W; -5% change with setback Percentage of hours that room setback raises heat pump demand: 5% Archetype detached Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1344W, with setback 1186W; -12% change with setback Heat pump mean power: with no setback 437W, with setback 487W; 12% change with setback Percentage of hours that room setback raises heat pump demand: 72% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1344W, with setback 1186W; -12% change with setback Heat pump mean power: with no setback 437W, with setback 417W; -5% change with setback Percentage of hours that room setback raises heat pump demand: 4% Cardiff (weather station at EGFF): Archetype bungalow Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 800W, with setback 700W; -13% change with setback Heat pump mean power: with no setback 271W, with setback 277W; 2% change with setback Percentage of hours that room setback raises heat pump demand: 47% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 800W, with setback 700W; -13% change with setback Heat pump mean power: with no setback 271W, with setback 257W; -5% change with setback Percentage of hours that room setback raises heat pump demand: 3% Archetype detached Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1229W, with setback 1075W; -13% change with setback Heat pump mean power: with no setback 394W, with setback 436W; 10% change with setback Percentage of hours that room setback raises heat pump demand: 68% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1229W, with setback 1075W; -13% change with setback Heat pump mean power: with no setback 394W, with setback 373W; -5% change with setback Percentage of hours that room setback raises heat pump demand: 2% London (weather station at EGLL): Archetype bungalow Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 743W, with setback 652W; -12% change with setback Heat pump mean power: with no setback 253W, with setback 260W; 2% change with setback Percentage of hours that room setback raises heat pump demand: 43% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 743W, with setback 652W; -12% change with setback Heat pump mean power: with no setback 253W, with setback 240W; -5% change with setback Percentage of hours that room setback raises heat pump demand: 3% Archetype detached Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1140W, with setback 1000W; -12% change with setback Heat pump mean power: with no setback 368W, with setback 407W; 11% change with setback Percentage of hours that room setback raises heat pump demand: 62% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1140W, with setback 1000W; -12% change with setback Heat pump mean power: with no setback 368W, with setback 349W; -5% change with setback Percentage of hours that room setback raises heat pump demand: 3% Newcastle (weather station at EGNT): Archetype bungalow Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 954W, with setback 846W; -11% change with setback Heat pump mean power: with no setback 331W, with setback 343W; 4% change with setback Percentage of hours that room setback raises heat pump demand: 58% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 954W, with setback 846W; -11% change with setback Heat pump mean power: with no setback 331W, with setback 318W; -4% change with setback Percentage of hours that room setback raises heat pump demand: 6% Archetype detached Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1465W, with setback 1298W; -11% change with setback Heat pump mean power: with no setback 479W, with setback 536W; 12% change with setback Percentage of hours that room setback raises heat pump demand: 77% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1465W, with setback 1298W; -11% change with setback Heat pump mean power: with no setback 479W, with setback 458W; -4% change with setback Percentage of hours that room setback raises heat pump demand: 5% Glasgow (weather station at EGPF): Archetype bungalow Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 954W, with setback 845W; -11% change with setback Heat pump mean power: with no setback 332W, with setback 343W; 4% change with setback Percentage of hours that room setback raises heat pump demand: 56% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 954W, with setback 845W; -11% change with setback Heat pump mean power: with no setback 332W, with setback 318W; -4% change with setback Percentage of hours that room setback raises heat pump demand: 6% Archetype detached Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1465W, with setback 1297W; -11% change with setback Heat pump mean power: with no setback 479W, with setback 536W; 12% change with setback Percentage of hours that room setback raises heat pump demand: 77% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1465W, with setback 1297W; -11% change with setback Heat pump mean power: with no setback 479W, with setback 459W; -4% change with setback Percentage of hours that room setback raises heat pump demand: 6% Edinburgh (weather station at EGPH): Archetype bungalow Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 970W, with setback 859W; -11% change with setback Heat pump mean power: with no setback 337W, with setback 349W; 4% change with setback Percentage of hours that room setback raises heat pump demand: 58% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 970W, with setback 859W; -11% change with setback Heat pump mean power: with no setback 337W, with setback 323W; -4% change with setback Percentage of hours that room setback raises heat pump demand: 6% Archetype detached Layout ABAB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=true, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1488W, with setback 1319W; -11% change with setback Heat pump mean power: with no setback 487W, with setback 546W; 12% change with setback Percentage of hours that room setback raises heat pump demand: 78% Layout AABB Scenario base model parameters: ModelParameters[doorsPerInternalWall=1.0, correctCoPForFlowVsMW=true, roomsAlternatingABAB=false, externalAirTemperatureC=-3.0] Heat mean demand: with no setback 1488W, with setback 1319W; -11% change with setback Heat pump mean power: with no setback 487W, with setback 466W; -4% change with setback Percentage of hours that room setback raises heat pump demand: 5% Original conditions, bungalow demand, with 'stiff' A-room temperature regulation: Heat mean demand: with no setback 2000W, with setback 1875W; -6% change with setback Heat pump mean power: with no setback 812W, with setback 895W; 10% change with setback Original conditions, bungalow demand, with 'soft' A-room temperature regulation at 19.6C: Heat mean demand: with no setback 2000W, with setback 1816W; -9% change with setback Heat pump mean power: with no setback 812W, with setback 737W; -9% change with setback Original conditions, detached demand, with 'stiff' A-room temperature regulation: Heat mean demand: with no setback 3070W, with setback 2878W; -6% change with setback Heat pump mean power: with no setback 1131W, with setback 1348W; 19% change with setback Original conditions, detached demand, with 'soft' A-room temperature regulation at 19.2C: Heat mean demand: with no setback 3070W, with setback 2762W; -10% change with setback Heat pump mean power: with no setback 1131W, with setback 1017W; -10% change with setback Parameterised model, bungalow, soft regulation, fixes applied for doors and CoP temperature, external air temperature varied... London (EGLL) 2018 hourly temperatures Layout ABAB Minimum A-room temperature 19.5C Percentage of hours that room setback raises heat pump demand: 0.0% Heat mean demand: with no setback 719W, with setback 591W; -17.8% change with setback Heat pump mean power: with no setback 246W, with setback 203W; -17.4% change with setback Layout AABB Minimum A-room temperature 20.0C Percentage of hours that room setback raises heat pump demand: 0.0% Heat mean demand: with no setback 719W, with setback 605W; -15.9% change with setback Heat pump mean power: with no setback 246W, with setback 208W; -15.5% change with setback Parameterised model, bungalow, soft A temperature regulation, fixes applied for doors and CoP temperature, external air temperature varied... temperature sag 1.4K @ -13.0C temperature sag 1.4K @ -12.0C temperature sag 1.4K @ -11.0C temperature sag 1.4K @ -10.0C temperature sag 1.4K @ -9.0C temperature sag 1.4K @ -8.0C temperature sag 1.4K @ -7.0C temperature sag 1.4K @ -6.0C temperature sag 1.4K @ -5.0C temperature sag 1.4K @ -4.0C *** original external air temperature, ie -3.0C temperature sag 1.4K @ -3.0C temperature sag 1.4K @ -2.0C temperature sag 1.4K @ -1.0C temperature sag 1.4K @ 0.0C temperature sag 1.4K @ 1.0C temperature sag 1.4K @ 2.0C temperature sag 1.4K @ 3.0C temperature sag 1.4K @ 4.0C temperature sag 1.5K @ 5.0C temperature sag 1.5K @ 6.0C temperature sag 1.5K @ 7.0C temperature sag 1.5K @ 8.0C temperature sag 1.5K @ 9.0C temperature sag 1.5K @ 10.0C temperature sag 1.5K @ 11.0C temperature sag 1.5K @ 12.0C temperature sag 1.5K @ 13.0C temperature sag 1.5K @ 14.0C temperature sag 1.5K @ 15.0C temperature sag 1.5K @ 16.0C temperature sag 1.6K @ 17.0C