Geothermal.contractors

Allied Services, operating as Hoyle Holt Allied Services, has served the Ardmore, Oklahoma area for nearly 60 years, providing HVAC, plumbing, commercial refrigeration, and sheet-metal work to residential and commercial customers. Based at 824 Moore St. SW in Ardmore, the company handles heating and air-conditioning installation, repair, and maintenance, and its ground-source work extends to geothermal drilling and loop-field permitting in addition to conventional systems. Allied Services is a Daikin dealer and also services hot-tub mechanical systems and offers ice-machine leasing, sales, and repair, making it one of the more comprehensive mechanical contractors in Carter County. Around-the-clock emergency service is available to customers across Ardmore and surrounding communities. Verified active operator via alliedservicesardmore.com + web sources (OK bundle audit 2026-06-01)