Member Directory Find a BusinessLocate a local business for all your business needs using the interactive Map or Member Directory below. Return to Listing McGrath RefrigerationMrhvaconline.comWork on both residential and commercial HVAC.ParticipationGenerationally Owned/RepresentedWoman Owned/RepresentedKrystal McGrath, Office Mgr; Email2520 S US Highway 35Knox, IN 46534574-772-3575EmailHeating & Air Conditioning Sales & Services Chamber Members | Chamber Events Calendar | Member Account | Community Events Calendar | Job Postings & Volunteer Opportunities | Member Promotions | Member News | Request Information Upcoming EventsWed15 Board MeetingMay 15th @ 8:00 AMWed22 8th Annual Michigan City/ La Porte County Job FairMay 22nd @ 2:00 PMThu23 Chamber Show with WIMS Radio AM 1420May 23rd @ 8:45 AMThu23 JOYRide Ribbon Cutting!May 23rd @ 4:00 PMFri24 Community Connections Luncheon-Economic Development UpdateMay 24th @ 11:30 AM 2024 Visionary, Stakeholder, & Leader Member Investors