diff --git a/_modules/heatv1/services.py b/_modules/heatv1/services.py
new file mode 100644
index 0000000..a8f952a
--- /dev/null
+++ b/_modules/heatv1/services.py
@@ -0,0 +1,56 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import time
+from salt.exceptions import CommandExecutionError
+
+from heatv1.common import send
+
+@send('get')
+def service_list(cloud_name):
+    """Return list of Heat services."""
+    url = '/services'
+    return url, {}
+
+def wait_for_service(cloud_name, host=None, binary=None, retries=18, timeout=10):
+    """Ensure the service is up and running on specified host.
+
+    :param host:           name of a host where service is running
+    :param binary:         name of the service
+    :param timeout:        number of seconds to wait before retries
+    :param retries:        number of retries
+    """
+    for _i in range(retries):
+        services = service_list(cloud_name=cloud_name)['body']['services']
+
+        down_services = [s for s in services if s['status'] == 'down']
+
+        # When Heat worker is reloaded, it creates new instance with different Engine ID.
+        # This is needed for checking that at least one instance on the host is running.
+        up_services_hosts = {s['host'] for s in services if s['status'] == 'up'}
+
+        if host:
+            down_services = [s for s in down_services if s['host'] == host \
+                                                      and s['host'] not in up_services_hosts]
+
+        if binary:
+            down_services = [s for s in down_services if s['binary'] == binary \
+                                                      and s['host'] not in up_services_hosts]
+
+        if not host and not binary:
+            down_services = [s for s in down_services if s['host'] not in up_services_hosts]
+
+        if not down_services:
+            return 'Heat services are running.'
+        time.sleep(timeout)
+
+    raise CommandExecutionError("Heat services {} are still down".format(down_services))