diff --git a/PHX/to_PHPP/xl_data.py b/PHX/to_PHPP/xl_data.py
index 59694f3..22cabe6 100644
--- a/PHX/to_PHPP/xl_data.py
+++ b/PHX/to_PHPP/xl_data.py
@@ -6,7 +6,7 @@
 from typing import Union, Optional
 import string
 
-from honeybee_ph_utils import units
+from ph_units.converter import convert
 
 xl_writable = Optional[Union[str, float, int, list, tuple]]
 xl_range_value = Optional[Union[str, float, int]]
@@ -36,9 +36,9 @@ def write_value(self):
             return self._write_value
 
         if isinstance(self._write_value, (tuple, list)):
-            return [units.convert(v, self.input_unit, self.target_unit) for v in self._write_value]
+            return [convert(v, self.input_unit, self.target_unit) for v in self._write_value]
         else:
-            return units.convert(self._write_value, self.input_unit, self.target_unit)
+            return convert(self._write_value, self.input_unit, self.target_unit)
 
     def __str__(self):
         return f'{self.__class__.__name__}({self.sheet_name}, {self.xl_range}, {self.write_value})'
diff --git a/_testing_to_PHPP.py b/_testing_to_PHPP.py
index 2321928..80ad13b 100644
--- a/_testing_to_PHPP.py
+++ b/_testing_to_PHPP.py
@@ -12,11 +12,11 @@
 
 # --- Input file Path
 # -------------------------------------------------------------------------
-# SOURCE_FILE = pathlib.Path(
-#     "/Users/em/Dropbox/bldgtyp-00/00_PH_Tools/PHX/tests/_source_hbjson/Default_Model_Single_Zone.hbjson"
-# )
 SOURCE_FILE = pathlib.Path(
-    "/Users/em/Dropbox/bldgtyp-00/00_PH_Tools/PHX/sample/hbjson/221104_Whole_Building.hbjson"
+     "/Users/em/Dropbox/bldgtyp-00/00_PH_Tools/PHX/tests/_source_hbjson/Default_Model_Single_Zone.hbjson"
+)
+SOURCE_FILE = pathlib.Path(
+    "/Users/em/Dropbox/bldgtyp-00/00_PH_Tools/PHX/sample/hbjson/221104_Residential.hbjson"
 )
 
 if __name__ == '__main__':
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 35cd782..01b4dbd 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,9 +1,9 @@
-coverage>=6.4.1
-pytest>=6.2.4
-pytest-cov>=3.0.0
-rich>=12.4.4
-setuptools>=63.1.0
-Sphinx>=5.0.2
-sphinx-bootstrap-theme>=0.7.1
-twine>=4.0.1
-wheel>=0.36.2
\ No newline at end of file
+coverage
+pytest
+pytest-cov
+rich
+setuptools
+Sphinx
+sphinx-bootstrap-theme
+twine
+wheel
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 452727c..4fd41fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
-honeybee-core>=1.51.47
-honeybee-energy>=1.94.10
-honeybee-ph>=1.3.5
-pydantic>=1.9.1
-rich>=12.4.1
-xlwings>=0.27.8
\ No newline at end of file
+honeybee-core>=1.54.2
+honeybee-energy>=1.95.6
+honeybee-ph
+PH-units
+pydantic
+rich
+xlwings
\ No newline at end of file