diff --git a/configs/steam/steam-a8360-sw1.cfg b/configs/steam/steam-a8360-sw1.cfg
index 2fd3c3e..fed8f19 100644
--- a/configs/steam/steam-a8360-sw1.cfg
+++ b/configs/steam/steam-a8360-sw1.cfg
@@ -128,6 +128,14 @@ access-list ip Image-acl
     158 comment ClearPass_TCP_PORTS_OUT
     158 permit tcp any clearpass_servers group clearpass_tcp_ports
     160 deny any any any
+access-list ip hvac-acl
+    10 permit any any 10.1.230.11
+    20 permit any any 10.1.40.108
+    30 permit udp any any eq dns
+    40 deny any any 10.0.0.0/255.0.0.0
+    50 deny any any 192.168.0.0/255.255.0.0
+    60 deny any any 172.16.0.0/255.240.0.0
+    70 permit tcp any any eq 587 log count
 access-list ip users-acl
     10 deny any any 192.168.0.0/255.255.0.0
     20 permit any any any
@@ -459,6 +467,7 @@ interface vlan 230
     ip helper-address 10.1.40.20
     ip helper-address 10.21.48.20
     ip ospf 1 area 0.0.0.209
+    apply access-list ip hvac-acl routed-in
     ip igmp enable
     ip pim-sparse enable
 interface vlan 254