Merge pull request #1165 from NREL/ground_conductivity

Add variability in ground thermal conductivity
NREL · Dec 4, 2023 · 1b4cf70 · 1b4cf70
2 parents 04348f0 + de918d8
commit 1b4cf70
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,7 @@ Features
 - Update to OpenStudio v3.7.0 ([#1144](https://github.com/NREL/resstock/pull/1144))
 - Update to RECS 2020 V5 data files ([#1164](https://github.com/NREL/resstock/pull/1164))
 - Automate creation of new "Arguments" documentation sections for summarizing arguments (and their default values) in options_lookup.tsv ([#1146](https://github.com/NREL/resstock/pull/1146))
+- Add variability in ground thermal conductivity ([#1165](https://github.com/NREL/resstock/pull/1165))
 
 Fixes
 - Set standard format for options_lookup ([#962](https://github.com/NREL/resstock/pull/962))

diff --git a/docs/read_the_docs/source/workflow_inputs/characteristics.rst b/docs/read_the_docs/source/workflow_inputs/characteristics.rst
@@ -126,12 +126,6 @@ Arguments
      - Choice
      - "auto", "suburban", "urban", "rural"
      - The type of site. If not provided, the OS-HPXML default (see `HPXML Site <https://openstudio-hpxml.readthedocs.io/en/v1.7.0/workflow_inputs.html#hpxml-site>`_) is used.
-   * - ``site_ground_conductivity``
-     - false
-     - Btu/hr-ft-F
-     - Double
-     - "auto"
-     - Conductivity of the ground soil. If not provided, the OS-HPXML default (see `HPXML Site <https://openstudio-hpxml.readthedocs.io/en/v1.7.0/workflow_inputs.html#hpxml-site>`_) is used.
    * - ``site_iecc_zone``
      - false
      - 
@@ -2995,6 +2989,58 @@ Assumption
 - \Rows where sample size < 10 are replaced with aggregated values down-scaled from dep='State' to dep='Census Division RECS'
 
 
+.. _ground_thermal_conductivity:
+
+Ground Thermal Conductivity
+---------------------------
+
+Description
+***********
+
+The thermal conductivity (in Btu/hr-ft-F) of the ground using in foundation and geothermal heat pump heat transfer calculations.
+
+Created by
+**********
+
+``sources/smu/tsv_maker.py``
+
+Source
+******
+
+- \data from the SMU Geothermal Laboratory. The data is from the Thermal Conductivity Observation in Content Model Format dataset. The data is available at http://geothermal.smu.edu/static/DownloadFilesButtonPage.htm.
+
+
+Assumption
+**********
+
+- \The data obtained is from surveyed oil and gas well data.
+
+- \The latitude and longitudes were assigned to counties and the data was joined to the ResStock spatial lookup tables. In this process, 1482 of 59332 samples did not have a FIPS match or did not have data and were dropped.
+
+- \Due to limited data in climate zone 1A, data was pulled from samples in 1A plus Florida 2A.
+
+- \Samples less than 0.5 Btu/hr-ft-F are assigned a value of 0.5 Btu/hr-ft-F. Samples greater than 2.6 Btu/hr-ft-F are assigned a value of 2.6 Btu/hr-ft-F.
+
+
+Arguments
+*********
+
+.. list-table::
+   :header-rows: 1
+
+   * - Name
+     - Required
+     - Units
+     - Type
+     - Choices
+     - Description
+   * - ``site_ground_conductivity``
+     - false
+     - Btu/hr-ft-F
+     - Double
+     - "auto"
+     - Conductivity of the ground soil. If not provided, the OS-HPXML default (see `HPXML Site <https://openstudio-hpxml.readthedocs.io/en/v1.7.0/workflow_inputs.html#hpxml-site>`_) is used.
+
 .. _hvac_cooling_efficiency:
 
 HVAC Cooling Efficiency

diff --git a/docs/read_the_docs/source/workflow_outputs/csv_tables/characteristics.csv b/docs/read_the_docs/source/workflow_outputs/csv_tables/characteristics.csv
@@ -59,6 +59,7 @@ build_existing_model.geometry_stories_low_rise,:ref:`geometry_stories_low_rise`
 build_existing_model.geometry_story_bin,:ref:`geometry_story_bin`
 build_existing_model.geometry_wall_exterior_finish,:ref:`geometry_wall_exterior_finish`
 build_existing_model.geometry_wall_type,:ref:`geometry_wall_type`
+build_existing_model.ground_thermal_conductivity,:ref:`ground_thermal_conductivity`
 build_existing_model.has_pv,:ref:`has_pv`
 build_existing_model.heating_fuel,:ref:`heating_fuel`
 build_existing_model.heating_setpoint,:ref:`heating_setpoint`

diff --git a/project_national/housing_characteristics/Ground Thermal Conductivity.tsv b/project_national/housing_characteristics/Ground Thermal Conductivity.tsv
@@ -0,0 +1,25 @@
+Dependency=ASHRAE IECC Climate Zone 2004	Option=0.5	Option=0.8	Option=1.1	Option=1.4	Option=1.7	Option=2.0	Option=2.3	Option=2.6	source_count	source_weight	sampling_probability
+1A	0	0.0340716	0.962521	0.00340716	0	0	0	0	587	587	0.0179403
+2A	0	0.00281546	0.962631	0.0345534	0	0	0	0	7814	7814	0.115935
+2B	0.00415061	0.0587015	0.249926	0.659947	0.0183813	0.00711533	0.00148236	0.000296472	3373	3373	0.0197434
+3A	0.00133769	0.0285375	0.576694	0.380054	0.00951249	0.00267539	0.000445898	0.000743163	6728	6728	0.13305
+3B	0.0023526	0.0686664	0.233789	0.636671	0.0399941	0.011763	0.00411704	0.00264667	6801	6801	0.0929123
+3C	0.0105634	0.109155	0.21831	0.147887	0.193662	0.306338	0.0105634	0.00352113	284	284	0.0234445
+4A	0.00183449	0.0387281	0.441908	0.253363	0.20852	0.050958	0.00224215	0.00244598	4906	4906	0.215302
+4B	0.00424056	0.0582113	0.0805705	0.430609	0.398998	0.0239013	0.00231303	0.00115652	2594	2594	0.0077307
+4C	0.0429448	0.610429	0.230061	0.0460123	0.0582822	0.00920245	0.00306748	0	326	326	0.0288003
+5A	0.00167963	0.029261	0.32134	0.590347	0.0500354	0.0053925	0.00123762	0.000707214	11312	11312	0.225367
+5B	0.065881	0.468408	0.246344	0.141985	0.0435894	0.0180321	0.0085191	0.00724123	7043	7043	0.037893
+6A	0.00141443	0.0263083	0.472136	0.426025	0.0670438	0.00480905	0.00169731	0.000565771	3535	3535	0.0613171
+6B	0.00726496	0.222222	0.631624	0.0465812	0.0474359	0.0239316	0.0123932	0.00854701	2340	2340	0.00923059
+7A	0.0196629	0.0421348	0.640449	0.157303	0.120787	0.0168539	0.00280899	0	356	356	0.00789633
+7AK	0	0	0.427313	0.528634	0.00881057	0.00440529	0.0220264	0.00881057	227	227	0.00178684
+7B	0.263736	0.0659341	0.043956	0.164835	0.164835	0.186813	0.0659341	0.043956	91	91	0.00113165
+8AK	0.0240964	0.144578	0.325301	0.349398	0.0240964	0.13253	0	0	83	83	0.000519458
+# Created by: sources\smu\tsv_maker.py
+# Description: The thermal conductivity (in Btu/hr-ft-F) of the ground using in foundation and geothermal heat pump heat transfer calculations.
+# Source: Constructed using data from the SMU Geothermal Laboratory. The data is from the Thermal Conductivity Observation in Content Model Format dataset. The data is available at http://geothermal.smu.edu/static/DownloadFilesButtonPage.htm.
+# Assumption: The data obtained is from surveyed oil and gas well data.
+# Assumption: The latitude and longitudes were assigned to counties and the data was joined to the ResStock spatial lookup tables. In this process, 1482 of 59332 samples did not have a FIPS match or did not have data and were dropped.
+# Assumption: Due to limited data in climate zone 1A, data was pulled from samples in 1A plus Florida 2A.
+# Assumption: Samples less than 0.5 Btu/hr-ft-F are assigned a value of 0.5 Btu/hr-ft-F. Samples greater than 2.6 Btu/hr-ft-F are assigned a value of 2.6 Btu/hr-ft-F.
diff --git a/project_national/resources/options_saturations.csv b/project_national/resources/options_saturations.csv
@@ -4650,6 +4650,14 @@ Level,Parameter,Option,Saturation
 1,County and PUMA,"G5600410, G56000500",6.54059e-05
 1,County and PUMA,"G5600430, G56000200",2.84286e-05
 1,County and PUMA,"G5600450, G56000200",2.60937e-05
+1,Ground Thermal Conductivity,0.5,0.00588573
+1,Ground Thermal Conductivity,0.8,0.069692
+1,Ground Thermal Conductivity,1.1,0.46234
+1,Ground Thermal Conductivity,1.4,0.35702
+1,Ground Thermal Conductivity,1.7,0.078188
+1,Ground Thermal Conductivity,2.0,0.023028
+1,Ground Thermal Conductivity,2.3,0.00226409
+1,Ground Thermal Conductivity,2.6,0.0015816
 1,Clothes Dryer Usage Level,80% Usage,0.25
 1,Clothes Dryer Usage Level,100% Usage,0.5
 1,Clothes Dryer Usage Level,120% Usage,0.25

diff --git a/project_national/resources/source_report.csv b/project_national/resources/source_report.csv
@@ -59,6 +59,7 @@ Geometry Stories Low Rise,4.0,1.0,sources\recs\recs2009\tsv_maker.py,Number of b
 Geometry Story Bin,2.0,1.0,sources\recs\recs2009\tsv_maker.py,The building has more than 8 or less than 8 stories.,U.S. EIA 2009 Residential Energy Consumption Survey (RECS) microdata.,
 Geometry Wall Exterior Finish,11.0,3.0,sources\lightbox\residential\tsv_maker.py,Wall siding material and color.,HIFLD Parcel data.,Rows where sample size < 10 are replaced with aggregated values down-scaled from dep='State' to dep='Census Division RECS'; Brick wall types are assumed to not have an aditional brick exterior finish; Steel and wood frame walls must have an exterior finish
 Geometry Wall Type,5.0,4.0,sources\lightbox\residential\tsv_maker.py,The wall material used for thermal mass calculations of exterior walls.,HIFLD Parcel data.,Rows where sample size < 10 are replaced with aggregated values down-scaled from dep='State' to dep='Census Division RECS'
+Ground Thermal Conductivity,8.0,1.0,sources\smu\tsv_maker.py,The thermal conductivity (in Btu/hr-ft-F) of the ground using in foundation and geothermal heat pump heat transfer calculations.,data from the SMU Geothermal Laboratory. The data is from the Thermal Conductivity Observation in Content Model Format dataset. The data is available at http://geothermal.smu.edu/static/DownloadFilesButtonPage.htm.,"The data obtained is from surveyed oil and gas well data.; The latitude and longitudes were assigned to counties and the data was joined to the ResStock spatial lookup tables. In this process, 1482 of 59332 samples did not have a FIPS match or did not have data and were dropped.; Due to limited data in climate zone 1A, data was pulled from samples in 1A plus Florida 2A.; Samples less than 0.5 Btu/hr-ft-F are assigned a value of 0.5 Btu/hr-ft-F. Samples greater than 2.6 Btu/hr-ft-F are assigned a value of 2.6 Btu/hr-ft-F."
 HVAC Cooling Efficiency,12.0,3.0,sources\recs\recs2020\tsv_maker.py,The presence and efficiency of primary cooling system in the dwelling unit.,"The sample counts and sample weights are constructed using U.S. EIA 2020 Residential Energy Consumption Survey (RECS) microdata.; Efficiency data based on CAC-ASHP-shipments-table.tsv, room_AC_efficiency_vs_age.tsv and expanded_HESC_HVAC_efficiencies.tsv combined with age of equipment data from RECS",Check the assumptions on the source tsv files.
 HVAC Cooling Partial Space Conditioning,8.0,4.0,sources\recs\recs2009\tsv_maker.py,The fraction of the finished floor area that the cooling system provides cooling.,U.S. EIA 2009 Residential Energy Consumption Survey (RECS) microdata.,"Central AC systems need to serve at least 60 percent of the floor area.; Heat pumps serve 100 percent of the floor area because the system serves 100 percent of the heated floor area.; Due to low sample count, the tsv is constructed by downscaling a core sub-tsv with 3 sub-tsvs of different dependencies. The sub-tsvs have the following dependencies: tsv1 : 'HVAC Cooling Type', 'ASHRAE IECC Climate Zone 2004'; tsv2 : 'HVAC Cooling Type', 'Geometry Floor Area Bin'; tsv3 : 'HVAC Cooling Type', 'Geometry Building Type RECS';"
 HVAC Cooling Type,6.0,4.0,sources\recs\recs2020\tsv_maker.py,The presence and type of primary cooling system in the dwelling unit.,U.S. EIA 2020 Residential Energy Consumption Survey (RECS) microdata.,"Due to low sample sizes, fallback rules applied with lumping of; 1) HVAC Heating type: Non-ducted heating and None2) Geometry building SF: Mobile, Single family attached, Single family detached3) Geometry building MF: Multi-Family with 2 - 4 Units, Multi-Family with 5+ Units4) Vintage Lump: 20yrs binsHomes having ducted heat pump for heating and electricity fuel is assumed to haveducted heat pump for cooling (seperating from central AC category); Homes having non-ducted heat pump for heating is assumed to have non-ducted heat pumpfor cooling"

diff --git a/project_testing/housing_characteristics/Ground Thermal Conductivity.tsv b/project_testing/housing_characteristics/Ground Thermal Conductivity.tsv
@@ -0,0 +1,4 @@
+Option=0.5	Option=0.8	Option=1.1	Option=1.4	Option=1.7	Option=2.0	Option=2.3	Option=2.6	sampling_probability
+0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125	1
+# Created by: sources\smu\tsv_maker.py
+# Description: The thermal conductivity (in Btu/hr-ft-F) of the ground using in foundation and geothermal heat pump heat transfer calculations.
diff --git a/project_testing/resources/options_saturations.csv b/project_testing/resources/options_saturations.csv
@@ -100,6 +100,14 @@ Level,Parameter,Option,Saturation
 0,Geometry Floor Area,2500-2999,0.111111
 0,Geometry Floor Area,3000-3999,0.111111
 0,Geometry Floor Area,4000+,0.111111
+0,Ground Thermal Conductivity,0.5,0.125
+0,Ground Thermal Conductivity,0.8,0.125
+0,Ground Thermal Conductivity,1.1,0.125
+0,Ground Thermal Conductivity,1.4,0.125
+0,Ground Thermal Conductivity,1.7,0.125
+0,Ground Thermal Conductivity,2.0,0.125
+0,Ground Thermal Conductivity,2.3,0.125
+0,Ground Thermal Conductivity,2.6,0.125
 0,HVAC System Is Faulted,No,0.5
 0,HVAC System Is Faulted,Yes,0.5
 0,Has PV,No,0.5

diff --git a/project_testing/resources/source_report.csv b/project_testing/resources/source_report.csv
@@ -47,6 +47,7 @@ Geometry Stories Low Rise,4.0,1.0,sources\recs\recs2009\tsv_maker.py,Number of b
 Geometry Story Bin,2.0,1.0,sources\recs\recs2009\tsv_maker.py,The building has more than 8 or less than 8 stories.
 Geometry Wall Exterior Finish,11.0,1.0,sources\lightbox\residential\tsv_maker.py,Wall siding material and color.
 Geometry Wall Type,5.0,1.0,sources\lightbox\residential\tsv_maker.py,The wall material used for thermal mass calculations of exterior walls.
+Ground Thermal Conductivity,8.0,0.0,sources\smu\tsv_maker.py,The thermal conductivity (in Btu/hr-ft-F) of the ground using in foundation and geothermal heat pump heat transfer calculations.
 HVAC Cooling Efficiency,12.0,2.0,sources\recs\recs2020\tsv_maker.py,The presence and efficiency of primary cooling system in the dwelling unit.
 HVAC Cooling Partial Space Conditioning,8.0,1.0,sources\recs\recs2009\tsv_maker.py,The fraction of the finished floor area that the cooling system provides cooling.
 HVAC Cooling Type,6.0,1.0,sources\recs\recs2020\tsv_maker.py,The presence and type of primary cooling system in the dwelling unit.

diff --git a/resources/data/dictionary/inputs.csv b/resources/data/dictionary/inputs.csv
@@ -59,6 +59,7 @@ build_existing_model.geometry_stories_low_rise,:ref:`geometry_stories_low_rise`
 build_existing_model.geometry_story_bin,:ref:`geometry_story_bin`
 build_existing_model.geometry_wall_exterior_finish,:ref:`geometry_wall_exterior_finish`
 build_existing_model.geometry_wall_type,:ref:`geometry_wall_type`
+build_existing_model.ground_thermal_conductivity,:ref:`ground_thermal_conductivity`
 build_existing_model.has_pv,:ref:`has_pv`
 build_existing_model.heating_fuel,:ref:`heating_fuel`
 build_existing_model.heating_setpoint,:ref:`heating_setpoint`

diff --git a/resources/options_lookup.tsv b/resources/options_lookup.tsv
@@ -25,23 +25,23 @@ AHS Region	Non-CBSA West North Central
 AHS Region	Non-CBSA West South Central
 AIANNH Area	No
 AIANNH Area	Yes
-ASHRAE IECC Climate Zone 2004	1A	ResStockArguments	site_iecc_zone=1A	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	2A	ResStockArguments	site_iecc_zone=2A	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	2B	ResStockArguments	site_iecc_zone=2B	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	3A	ResStockArguments	site_iecc_zone=3A	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	3B	ResStockArguments	site_iecc_zone=3B	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	3C	ResStockArguments	site_iecc_zone=3C	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	4A	ResStockArguments	site_iecc_zone=4A	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	4B	ResStockArguments	site_iecc_zone=4B	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	4C	ResStockArguments	site_iecc_zone=4C	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	5A	ResStockArguments	site_iecc_zone=5A	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	5B	ResStockArguments	site_iecc_zone=5B	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	6A	ResStockArguments	site_iecc_zone=6A	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	6B	ResStockArguments	site_iecc_zone=6B	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	7A	ResStockArguments	site_iecc_zone=7	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	7AK	ResStockArguments	site_iecc_zone=7	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	7B	ResStockArguments	site_iecc_zone=7	site_ground_conductivity=auto	site_type=auto
-ASHRAE IECC Climate Zone 2004	8AK	ResStockArguments	site_iecc_zone=8	site_ground_conductivity=auto	site_type=auto
+ASHRAE IECC Climate Zone 2004	1A	ResStockArguments	site_iecc_zone=1A	site_type=auto
+ASHRAE IECC Climate Zone 2004	2A	ResStockArguments	site_iecc_zone=2A	site_type=auto
+ASHRAE IECC Climate Zone 2004	2B	ResStockArguments	site_iecc_zone=2B	site_type=auto
+ASHRAE IECC Climate Zone 2004	3A	ResStockArguments	site_iecc_zone=3A	site_type=auto
+ASHRAE IECC Climate Zone 2004	3B	ResStockArguments	site_iecc_zone=3B	site_type=auto
+ASHRAE IECC Climate Zone 2004	3C	ResStockArguments	site_iecc_zone=3C	site_type=auto
+ASHRAE IECC Climate Zone 2004	4A	ResStockArguments	site_iecc_zone=4A	site_type=auto
+ASHRAE IECC Climate Zone 2004	4B	ResStockArguments	site_iecc_zone=4B	site_type=auto
+ASHRAE IECC Climate Zone 2004	4C	ResStockArguments	site_iecc_zone=4C	site_type=auto
+ASHRAE IECC Climate Zone 2004	5A	ResStockArguments	site_iecc_zone=5A	site_type=auto
+ASHRAE IECC Climate Zone 2004	5B	ResStockArguments	site_iecc_zone=5B	site_type=auto
+ASHRAE IECC Climate Zone 2004	6A	ResStockArguments	site_iecc_zone=6A	site_type=auto
+ASHRAE IECC Climate Zone 2004	6B	ResStockArguments	site_iecc_zone=6B	site_type=auto
+ASHRAE IECC Climate Zone 2004	7A	ResStockArguments	site_iecc_zone=7	site_type=auto
+ASHRAE IECC Climate Zone 2004	7AK	ResStockArguments	site_iecc_zone=7	site_type=auto
+ASHRAE IECC Climate Zone 2004	7B	ResStockArguments	site_iecc_zone=7	site_type=auto
+ASHRAE IECC Climate Zone 2004	8AK	ResStockArguments	site_iecc_zone=8	site_type=auto
 ASHRAE IECC Climate Zone 2004 - 2A Split	"2A - FL, GA, AL, MS"
 ASHRAE IECC Climate Zone 2004 - 2A Split	"2A - TX, LA"
 ASHRAE IECC Climate Zone 2004 - 2A Split	1A
@@ -9636,6 +9636,14 @@ Geometry Wall Type	Concrete
 Geometry Wall Type	Steel Frame
 Geometry Wall Type	Void
 Geometry Wall Type	Wood Frame
+Ground Thermal Conductivity	0.5	ResStockArguments	site_ground_conductivity=0.5
+Ground Thermal Conductivity	0.8	ResStockArguments	site_ground_conductivity=0.8
+Ground Thermal Conductivity	1.1	ResStockArguments	site_ground_conductivity=1.1
+Ground Thermal Conductivity	1.4	ResStockArguments	site_ground_conductivity=1.4
+Ground Thermal Conductivity	1.7	ResStockArguments	site_ground_conductivity=1.7
+Ground Thermal Conductivity	2.0	ResStockArguments	site_ground_conductivity=2.0
+Ground Thermal Conductivity	2.3	ResStockArguments	site_ground_conductivity=2.3
+Ground Thermal Conductivity	2.6	ResStockArguments	site_ground_conductivity=2.6
 HVAC Cooling Efficiency	"AC, SEER 10"	ResStockArguments	cooling_system_type=central air conditioner	cooling_system_cooling_efficiency_type=SEER	cooling_system_cooling_efficiency=10	cooling_system_cooling_capacity=auto	cooling_system_is_ducted=false	cooling_system_cooling_compressor_type=auto	cooling_system_cooling_sensible_heat_fraction=auto	cooling_system_crankcase_heater_watts=auto	cooling_system_integrated_heating_system_capacity=auto	cooling_system_integrated_heating_system_efficiency_percent=auto	cooling_system_integrated_heating_system_fraction_heat_load_served=auto	cooling_system_integrated_heating_system_fuel=auto
 HVAC Cooling Efficiency	"AC, SEER 13"	ResStockArguments	cooling_system_type=central air conditioner	cooling_system_cooling_efficiency_type=SEER	cooling_system_cooling_efficiency=13	cooling_system_cooling_capacity=auto	cooling_system_is_ducted=false	cooling_system_cooling_compressor_type=auto	cooling_system_cooling_sensible_heat_fraction=auto	cooling_system_crankcase_heater_watts=auto	cooling_system_integrated_heating_system_capacity=auto	cooling_system_integrated_heating_system_efficiency_percent=auto	cooling_system_integrated_heating_system_fraction_heat_load_served=auto	cooling_system_integrated_heating_system_fuel=auto
 HVAC Cooling Efficiency	"AC, SEER 14"	ResStockArguments	cooling_system_type=central air conditioner	cooling_system_cooling_efficiency_type=SEER	cooling_system_cooling_efficiency=14	cooling_system_cooling_capacity=auto	cooling_system_is_ducted=false	cooling_system_cooling_compressor_type=auto	cooling_system_cooling_sensible_heat_fraction=auto	cooling_system_crankcase_heater_watts=auto	cooling_system_integrated_heating_system_capacity=auto	cooling_system_integrated_heating_system_efficiency_percent=auto	cooling_system_integrated_heating_system_fraction_heat_load_served=auto	cooling_system_integrated_heating_system_fuel=auto