Home Fairfield HomeServe USA acquires fourth Phoenix-area HVAC company FairfieldLatest NewsMergers & AcquisitionsPremium Content HomeServe USA acquires fourth Phoenix-area HVAC company By Phil Hall - January 13, 2021 SHARE Facebook Twitter The Norwalk company cited Phoenix’s “unprecedented population boom these last several years.” This content is for Westfair Online members only. Please Sign in / Join to view this content. Become a member by Registering Here.