Geothermal.contractors

Quality Refrigeration Services, Inc. has operated in Baltimore since 1978, growing from a small startup into a full-service provider of residential, commercial, and new-construction heating, cooling, geothermal, and electrical contracting. The company's geothermal division offers ground-source heat pump installation and maintenance through a dedicated GeoExchange service line for Baltimore-area properties. Additional offerings include ductless mini-splits, boilers, water heaters, indoor air quality solutions, and commercial refrigeration equipment such as walk-in coolers and ice machines. Featured equipment brands include Lennox and Goodman. The business holds Maryland MHIC license #4918 and contractor license #10571, serving Baltimore City and surrounding counties for both residential and commercial clients. Verified active operator per https://www.qualityrefrigerationservices.com/ + https://www.bbb.org/us/md/baltimore/profile/heating-and-air-conditioning/quality-refrigeration-services-inc-0011-6132 (Bundle 4 audit 2026-05-28)