diff --git a/tests/envelope_tests/integrated.py b/tests/envelope_tests/integrated.py
new file mode 100644
index 0000000..4f09453
--- /dev/null
+++ b/tests/envelope_tests/integrated.py
@@ -0,0 +1,140 @@
+import os
+from copy import deepcopy
+from functools import reduce
+from typing import Callable
+
+from dotenv import load_dotenv
+
+from comcheck_api import COMcheckClient
+from comcheck_api.components.envelope import ag_wall
+from comcheck_api.constants.building_area_constants import DEFAULT_BUILDING_AREA
+from comcheck_api.constants.envelope_constants import DEFAULT_AG_WALL, DEFAULT_ROOF, DEFAULT_FLOOR
+from comcheck_api.projectOperations.project_building_area_operations import add_building_area_to_project
+from comcheck_api.projectOperations.project_envelope_operations import add_ag_wall_to_project, add_roof_to_project, \
+    add_floor_to_project
+from comcheck_api.types import OrientationOptions, ComBuilding, AssemblyTypeEnum, WallTypeOptions, AgWall, Roof, Floor, \
+    WholeBldgUse, RoofTypeOptions, FloorTypeOptions
+
+# Load environment variables
+os.environ["COM_API_KEY"] = "g85IQHH0ds1qWmK68zGfOaBV0jyRcX4bP462DqTb"
+
+api_key = os.getenv("COM_API_KEY")
+#if not api_key:
+#    pytest.fail("COM_API_KEY is not set in environment variables.")
+
+client = COMcheckClient()
+client.set_api_key(api_key)
+
+#################Functional utility ####################
+# project = add_building_area_to_project(project, building_area)
+ProjectStep = Callable[[ComBuilding], ComBuilding]
+
+def with_ag_wall(
+    building_area_key: str,
+    new_ag_wall: AgWall,
+) -> ProjectStep:
+    def step(project: ComBuilding) -> ComBuilding:
+        return add_ag_wall_to_project(
+            project,
+            building_area_key,
+            new_ag_wall,
+        )
+    return step
+
+def with_roof(
+    building_area_key: str,
+    new_roof: Roof,
+) -> ProjectStep:
+    def step(project: ComBuilding) -> ComBuilding:
+        return add_roof_to_project(
+            project,
+            building_area_key,
+            new_roof,
+        )
+    return step
+
+def with_floor(
+    building_area_key: str,
+    new_floor: Floor,
+) -> ProjectStep:
+    def step(project: ComBuilding) -> ComBuilding:
+        return add_floor_to_project(
+            project,
+            building_area_key,
+            new_floor,
+        )
+    return step
+
+def with_new_building_area(
+    new_building_area: WholeBldgUse,
+) -> ProjectStep:
+    def step(project: ComBuilding) -> ComBuilding:
+        return add_building_area_to_project(
+            project,
+            new_building_area,
+        )
+    return step
+
+def flow(*steps: ProjectStep) -> ProjectStep:
+    def composed(project: ComBuilding) -> ComBuilding:
+        return reduce(lambda acc, f: f(acc), steps, project)
+    return composed
+
+############### Begin code ############################
+
+def get_project(project_name: str=None):
+    project_list = client.list_projects()
+    for project in project_list:
+        if project["name"].lower() == project_name.lower():
+            return client.get_project(project["_id"])
+    return None
+
+def create_ag_walls(cavity_r: float=0.0, cont_r:float=0.0, assembly_type: WallTypeOptions = WallTypeOptions.WOOD_FRAME_16_AG_WALL, orientation: OrientationOptions=OrientationOptions.NORTH) -> AgWall:
+    ag_wall_copy = deepcopy(DEFAULT_AG_WALL)
+    ag_wall_copy.description = f"Exterior Wall {str(orientation)}"
+    ag_wall_copy.cavityRValue = cavity_r
+    ag_wall_copy.continuousRValue = cont_r
+    ag_wall_copy.wallType = assembly_type
+    ag_wall_copy.orientation = orientation
+    return ag_wall_copy
+
+
+project = get_project("API Test Project")
+
+building_area = deepcopy(DEFAULT_BUILDING_AREA)
+building_area.areaDescription = "Default Building Area"
+building_area.floorArea = 1000
+
+ag_wall_north = create_ag_walls(20.0, 10.0, orientation=OrientationOptions.NORTH)
+ag_wall_south = create_ag_walls(20.0, 10.0, orientation=OrientationOptions.SOUTH)
+ag_wall_east = create_ag_walls(20.0, 10.0, orientation=OrientationOptions.EAST)
+ag_wall_west = create_ag_walls(20.0, 10.0, orientation=OrientationOptions.WEST)
+
+roof = deepcopy(DEFAULT_ROOF)
+roof.description = "Default Roof"
+roof.cavityRValue = 30.0
+roof.continuousRValue = 10.0
+roof.roofType = RoofTypeOptions.ABOVE_DECK_ROOF
+
+floor = deepcopy(DEFAULT_FLOOR)
+floor.description = "Default Floor"
+floor.cavityRValue = 30.0
+floor.continuousRValue = 10.0
+floor.floorType = FloorTypeOptions.ALL_WOOD_JOIST_TRUSS_FLOOR
+
+bldg_area_key = building_area.key
+
+
+process_project = flow(
+    with_new_building_area(building_area),
+    with_roof(bldg_area_key, roof),
+    with_ag_wall(bldg_area_key, ag_wall_south),
+    with_ag_wall(bldg_area_key, ag_wall_north),
+    with_ag_wall(bldg_area_key, ag_wall_east),
+    with_ag_wall(bldg_area_key, ag_wall_west),
+    with_floor(bldg_area_key, floor),
+)
+
+project = process_project(project)
+
+client.update_project(project.id, project)