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Make GSPH your career destination in commercial HVAC mechanical systems

What makes us different from the competition?

Our Philosophy

We believe that by providing our customers with quality, efficient and maintainable systems for their capital investments and then providing excellent service and preventative maintenance, we are doing the best for our customers and the environment. This approach has resulted in excellent referral business from past and existing customers.

Quality People. Building Solutions.

Currently, we are the largest Mechanical Company in New Hampshire and we’re proud to help every customer that needs our services.
This is achieved with a great team. From technicians in the field, Safety professionals, IT, Sales, admin, warehouse support, experienced project managers and leadership.
If you are looking to take your career to the next level, we would like to talk with you!

Join Us In Our Mission

To provide the best value HVAC and mechanical systems installation and service, principally in the mid-market commercial industrial and institutional sectors, while caring for our customers, employees and the environment.

Current Open Positions

Benefits for full time employees

  • Retirement – 401(k) and company matching
  • Dental insurance
  • Employee Assistance Program
  • Flexible spending account
  • Health insurance
  • Life and Accidental Death and Dismemberment insurance
  • Paid time off
  • Tuition reimbursement
  • Vision insurance
  • Short term disability
  • Voluntary NH Paid Family Medical Leave
  • Voluntary Long-term disability
  • Voluntary VOYA
  • Voluntary ID protection
  • Employee discount

Submit Your Resume

GSPH is always looking for the most talented professionals throughout New Hampshire, that want to advance their careers in mechanical systems, commercial heating and cooling, and plumbing.