126 × | hvac | 5 × | water | 1 × | vetilation | ||
44 × | plumbing | 3 × | cleanrooms | 1 × | cooling-towers | ||
41 × | hydronic | 3 × | load-calc | 1 × | hot-water | ||
17 × | electrical | 3 × | power | 1 × | district-heating | ||
12 × | fire-protection | 2 × | commercial-kitchen | 1 × | sprinkler-system | ||
12 × | piping | 2 × | storm-drain | 1 × | ducting | ||
12 × | chillers | 2 × | sanitary | 1 × | metering | ||
10 × | equipment | 2 × | boilers | 1 × | reactions | ||
9 × | pump | 2 × | pumps | 1 × | installation | ||
8 × | ductwork | 1 × | waste-water | 1 × | chemical |