diff --git a/docs/project/changelog.md b/docs/project/changelog.md
index 24f5a88b6..0c31151ce 100644
--- a/docs/project/changelog.md
+++ b/docs/project/changelog.md
@@ -86,7 +86,8 @@ myst:
 - New packages: sourmash {pr}`3635`, screed {pr}`3635`, bitstring {pr}`3635`,
   deprecation {pr}`3635`, cachetools {pr}`3635`, xyzservices {pr}`3786`,
   simplejson {pr}`3801`, protobuf {pr}`3813`, peewee {pr}`3897`,
-  Cartopy {pr}`3909`, pyshp {pr}`3909`, netCDF4 {pr}`3910`, igraph {pr}`3991`.
+  Cartopy {pr}`3909`, pyshp {pr}`3909`, netCDF4 {pr}`3910`, igraph {pr}`3991`,
+  CoolProp {pr}`4028`.
 - Upgraded libmpfr to 4.2.0 {pr}`3756`.
 - Upgraded scipy to 1.11.1 {pr}`3794`, {pr}`3996`
 - Upgraded scikit-image to 0.21 {pr}`3874`
diff --git a/packages/coolprop/meta.yaml b/packages/coolprop/meta.yaml
new file mode 100644
index 000000000..5eaabeb93
--- /dev/null
+++ b/packages/coolprop/meta.yaml
@@ -0,0 +1,33 @@
+package:
+  name: coolprop
+  version: 6.4.3
+  top-level:
+    - CoolProp
+
+source:
+  url: https://sourceforge.net/projects/coolprop/files/CoolProp/6.4.3/source/CoolProp_sources.zip
+  sha256: 7d43ef778e5e245720261311fe86c8a1492a7dc49c0155408344117a81465f7d
+  extract_dir: source
+
+  extras:
+    - - setup.py
+      - ./setup.py
+    - - pyproject.toml
+      - ./pyproject.toml
+
+requirements:
+  run:
+    - numpy
+    - matplotlib
+
+test:
+  imports:
+    - CoolProp
+    - CoolProp.GUI
+    - CoolProp.Plots
+
+about:
+  home: http://www.coolprop.org
+  PyPI: https://pypi.org/project/CoolProp
+  summary: "Open-source thermodynamic and transport properties database"
+  license: MIT
diff --git a/packages/coolprop/pyproject.toml b/packages/coolprop/pyproject.toml
new file mode 100644
index 000000000..d52d00f28
--- /dev/null
+++ b/packages/coolprop/pyproject.toml
@@ -0,0 +1,4 @@
+[build-system]
+requires = ["setuptools>=42", "wheel", "Cython==0.29.34"]
+
+build-backend = "setuptools.build_meta"
diff --git a/packages/coolprop/setup.py b/packages/coolprop/setup.py
new file mode 100644
index 000000000..239695243
--- /dev/null
+++ b/packages/coolprop/setup.py
@@ -0,0 +1,16 @@
+import os
+import sys
+
+wrappers_python_path = os.path.join(os.path.dirname(__file__), "wrappers", "Python")
+sys.path.append(wrappers_python_path)
+os.chdir(wrappers_python_path)
+SETUP_PATH = "setup.py"
+with open(SETUP_PATH) as f:
+    globals = {
+        "__file__": SETUP_PATH,
+        "__name__": "__main__",
+        "sys": sys,
+        "argv": sys.argv,
+    }
+    code = compile(f.read(), SETUP_PATH, "exec")
+    exec(code, globals, None)
diff --git a/packages/coolprop/test_coolprop.py b/packages/coolprop/test_coolprop.py
new file mode 100644
index 000000000..2b1dd19fd
--- /dev/null
+++ b/packages/coolprop/test_coolprop.py
@@ -0,0 +1,15 @@
+from pytest_pyodide import run_in_pyodide
+
+
+@run_in_pyodide(packages=["coolprop"])
+def test_simple_propssi(selenium):
+    from CoolProp.CoolProp import PropsSI
+
+    assert round(PropsSI("T", "P", 101325, "Q", 0, "Water"), 3) == 373.124
+
+
+@run_in_pyodide(packages=["coolprop"])
+def test_simple_phasesi(selenium):
+    from CoolProp.CoolProp import PhaseSI
+
+    assert PhaseSI("P", 101325, "Q", 0, "Water") == "twophase"