{"company":{"id":2279604,"name":"Comfort Systems USA","domain":"comfortsystemsusa.com","url":"https://alion.io/company/comfortsystemsusa"},"section":"offices","answer":"Comfort Systems USA has 23 sites in 1 country; 23 sites have open roles now. The busiest is Houston. The head office is in Houston.","figures":[{"label":"Sites","value":"23"},{"label":"Countries","value":"1"},{"label":"Hiring offices","value":"23"},{"label":"Open roles","value":"133"}],"blocks":[{"key":"sites","title":"Every site","source":"office addresses in postings and company registers","rows":23}],"sites":[{"site":"Houston","country":"United States","type":"Headquarters","open_roles":"52","roles_90_days":"44","hires_most_for":"Industrial Engineering, Field & Service, Management","engineering_share":"6%","seen_since":"Jul 2026"},{"site":"Knoxville","country":"United States","type":"Headquarters","open_roles":"12","roles_90_days":"12","hires_most_for":"Field & Service, Operations, Industrial Engineering","engineering_share":"0%","seen_since":"Sep 2026"},{"site":"Arden","country":"United States","type":"Plant / site","open_roles":"10","roles_90_days":"10","hires_most_for":"Field & Service, Early Careers","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Birmingham","country":"United States","type":"Headquarters","open_roles":"10","roles_90_days":"3","hires_most_for":"Field & Service, Early Careers, Administrative","engineering_share":"0%","seen_since":"Apr 2026"},{"site":"Blountville","country":"United States","type":"Plant / site","open_roles":"7","roles_90_days":"7","hires_most_for":"Field & Service, Management, Sales","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Nashville","country":"United States","type":"Headquarters","open_roles":"6","roles_90_days":"3","hires_most_for":"Field & Service, Administrative, Sales","engineering_share":"0%","seen_since":"Apr 2026"},{"site":"Huntsville","country":"United States","type":"Regional office","open_roles":"6","roles_90_days":"2","hires_most_for":"Early Careers, Management, Operations","engineering_share":"0%","seen_since":"May 2026"},{"site":"Roanoke","country":"United States","type":"Plant / site","open_roles":"4","roles_90_days":"4","hires_most_for":"Field & Service, Industrial Engineering","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Corinth","country":"United States","type":"Plant / site","open_roles":"4","roles_90_days":"4","hires_most_for":"Field & Service, HR, Operations","engineering_share":"0%","seen_since":"Nov 2026"},{"site":"Chandler","country":"United States","type":"Headquarters","open_roles":"3","roles_90_days":"2","hires_most_for":"Field & Service, Sales","engineering_share":"0%","seen_since":"Jul 2026"},{"site":"Missouri City","country":"United States","type":"Plant / site","open_roles":"3","roles_90_days":"1","hires_most_for":"Industrial Engineering, Administrative","engineering_share":"0%","seen_since":"Jul 2026"},{"site":"Tucson","country":"United States","type":"Not classified","open_roles":"2","roles_90_days":"2","hires_most_for":"Management, Sales","engineering_share":"0%","seen_since":"Sep 2026"},{"site":"Cincinnati","country":"United States","type":"Not classified","open_roles":"2","roles_90_days":"2","hires_most_for":"Sales","engineering_share":"0%","seen_since":"Nov 2026"},{"site":"Missoula","country":"United States","type":"Headquarters","open_roles":"2","roles_90_days":"1","hires_most_for":"Field & Service, Industrial Engineering","engineering_share":"0%","seen_since":"Aug 2026"},{"site":"Montgomery","country":"United States","type":"Not classified","open_roles":"2","roles_90_days":"0","hires_most_for":"Field & Service","engineering_share":"0%","seen_since":"Apr 2026"},{"site":"Richmond","country":"United States","type":"Headquarters","open_roles":"1","roles_90_days":"1","hires_most_for":"Management","engineering_share":"0%","seen_since":"Oct 2026"},{"site":"Columbus","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"1","hires_most_for":"Sales","engineering_share":"0%","seen_since":"Nov 2026"},{"site":"Auburn","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"1","hires_most_for":"Sales","engineering_share":"0%","seen_since":"Nov 2026"},{"site":"High Point","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"1","hires_most_for":"Industrial Engineering","engineering_share":"0%","seen_since":"Sep 2026"},{"site":"Lynchburg","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"0","hires_most_for":"Industrial Engineering","engineering_share":"0%","seen_since":"Jun 2026"},{"site":"Chesapeake","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"0","hires_most_for":"Sales","engineering_share":"0%","seen_since":"Jul 2026"},{"site":"Olive Branch","country":"United States","type":"Not classified","open_roles":"1","roles_90_days":"0","hires_most_for":"Field & Service","engineering_share":"0%","seen_since":"Aug 2026"},{"site":"Mount Crawford","country":"United States","type":"Headquarters","open_roles":"1","roles_90_days":"0","hires_most_for":"Field & Service","engineering_share":"0%","seen_since":"Jun 2026"}],"as_of":"2026-11-13","cite":"Comfort Systems USA, Offices. Alion, Nov 13, 2026. https://alion.io/company/comfortsystemsusa/offices","html_url":"https://alion.io/company/comfortsystemsusa/offices","json_url":"https://alion.io/company/comfortsystemsusa/offices.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","generated_at":"2026-11-13T19:07:40Z"}}