Sam Mechanical Services LLC is a full service Plumbing, Heating, Ventilation, and Air Conditioning company serving all of New Hampshire area for over 20 years. Located in Manchester, New Hampshire, S.A.M. Mechanical serves businesses in a courteous and professional manner. Our plumbers and service technicians are available 24 hours a day, 7 days a week for all of your Plumbing and hvac needs.