In March 1970, Cola Cobb purchased Suffolk Sheet Metal and changed the operation to heating, air conditioning and electrical installation and service. In 1991, Cola Cobb's son Ray joined the company. Together they provide heating and cooling equipment of various types: gas, oil, electric baseboard, air-to-air, geothermal and dual fuel equipment are some of the different systems available. In addition to heating and cooling systems, Suffolk Sheet Metal provides electrical service installations, upgrades and repair. Additional features include humidifiers, electronic air cleaners, gas fireplace logs, generators and many other services to provide efficient comfort at home and work. SSM is a licensed Class A contractor in Virginia and North Carolina in both mechanical and electrical.