Engineering Intern, HVAC Systems

Job overview

The Engineering Intern role is onsite in Kalamazoo, MI, with compensation not specified. The internship runs for flexible start and end dates from May to August 2027, requires availability for up to 40 hours per week for at least 10 weeks, and supports Quality Air Service within Envelop Group. The intern works alongside design and sales engineers to learn how HVAC technical solutions move from customer inquiry through delivery. Exposure to equipment selection, pricing, proposals, project tracking, and handoffs helps build technical and professional skills for future HVAC engineering or technical sales work.

What you'll do

• Work alongside design and sales engineers
• gain exposure to HVAC system design and equipment selection, technical sales support, proposal development, project tracking, and documentation
• travel to customer job sites as needed.

What we're looking for

Skills & competencies

engineering intern

hvac

kalamazoo mi

envelop group

quality air service

mechanical systems

building automation

equipment selection

proposal development

project tracking

may–august 2027

Work arrangement

• Weekend coverage required

Benefits & perks

• Mentorship from experienced engineers and sales professionals
• practical HVAC design and equipment-selection experience
• exposure to technical sales support and project processes.

Why this role

The posting describes a paid internship and states that local candidates are preferred; relocation and housing stipends are not available. Candidates must have U.S. work authorization without future visa sponsorship requirements.

About the employer

Envelop Group is hiring for this role. Industry: Plumbing, Heating, and Air-Conditioning Contractors. Sector: 23.