Hands-on Commercial HVAC Installer (Journeyman)

Winchester Mechanical; Nashua (NH); On-site; USD 55,000 - 75,000; Full time

Job summary

Winchester Mechanical, a leading commercial HVAC contractor in Nashua, NH, is seeking an HVAC Installer. You will install, maintain, and repair commercial systems while representing the professionalism our clients expect. Expect hands-on work, career development, and a collaborative environment.

Join a team with strong workmanship and long-term employee relationships. This role offers daytime hours, potential overtime for project completion, and opportunities for mentorship of apprentices.

Qualifications

• 3–5 years of HVAC installation or service experience.
• Strong blueprint reading and troubleshooting skills.
• Valid driver’s license with clean driving record.
• EPA & OSHA certification required.
• Preferred: NH Gas, MA Sheet Metal, or MA Refrigeration license.
• Ability to lift 50+ lbs and work at heights safely.

Responsibilities

• Install, maintain, and repair commercial HVAC systems.
• Wire low-voltage connections for heating and cooling equipment.
• Install refrigerant lines; perform brazing, soldering, or pressing.
• Connect gas lines and verify safe operation of systems.
• Read blueprints and pre-measure materials for installation.
• Diagnose and repair electrical, mechanical, and control issues; complete service/start-up reports and documentation.
• Mentor and train HVAC apprentices or helpers.

Skills

HVAC installation

Blueprint reading

Troubleshooting

Low-voltage wiring

Education

EPA & OSHA certification

NH Gas License / MA Sheet Metal / MA Refrigeration (preferred)

Job description

Winchester Mechanical, a leading commercial HVAC contractor in Nashua, NH, is seeking an HVAC Installer. You will install, maintain, and repair commercial systems while representing the professionalism our clients expect. Expect hands-on work, career development, and a collaborative environment.

Join a team with strong workmanship and long-term employee relationships. This role offers daytime hours, potential overtime for project completion, and opportunities for mentorship of apprentices.