Intern - HVAC Sales

About Us

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems.

The Mesa Internship Program is a summer rotational program for current students seeking experience in the energy, mechanical, building, service, sustainability, sales, or project management fields. Mesa interns will “rotate” across all job functions and present a final project at the end of the program while completing various tasks and support functions along the way. Interns will be responsible for providing support to the local branch and its service, operations, administrative, and sales teams.

Tasks or support requested will include, but not be limited to, job walks or site visits to gather information related to equipment or projects. They will assist the sales team with preparing proposals for new and existing customers as well as following up with open proposals, complete project delivery binders, support the maintenance contract renewal process and perform certain administrative tasks related to customer support and other tasks as assigned by Management.

• Develop and or complete written scopes of work related to maintenance or service work being quoted.
• Attending internal and external client meetings with the team lead as requested.
• Support preparation of bid temps and proposals related to contracts and projects.
• Support the preparation of various documents, including schedules, work orders, and others.
• Communicate with sales account managers regarding renewals being addressed.
• Complete site visits to gather information required to serve our customers better.
• Communicate with vendors to gather costs for services needed to complete the quoted maintenance.
• Interact with Departments within Mesa as needed to complete assigned tasks.
• Prepare booking packages for work quoted and sold by CSR or as requested by management.
• Attending all maintenance sales training.
• Present new technology and enhanced PM services when presented with an opportunity.
• Report all findings, customer opinions, pictures, and results to company leadership.
• Maintain constant communication with the Branch, Service, or Salesperson being supported.
• The first week of onboarding will include classroom training in the Irvine Branch.
• Attend and participate in sales, safety, and operational planning meetings.
• Build rapport with new and existing customers to maintain positive relationships and trust.
• Demonstrate a personal commitment to your growth and development as a Sales Professional, including attending product and sales training events, participating in all professional training provided by EMCOR/Mesa, etc.

• A bachelor’s degree in business, engineering, or a related field will be conferred within 2 years.
• Experience in sales, project management, or customer service is preferred.
• Experience in the HVAC is preferred.
• Strong presentation skills preferred.
• Strong computer skills using MS Office required.
• Competitive nature + Reliable, self‑driven, organized, articulate, and goal‑oriented.
• Excellent problem‑solving skills.
• Ability to communicate clearly, manage time effectively, multi‑task, & prioritize.
• Ability to identify different customer personality types and adapt/respond accordingly.

As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled

Please review our Affine Action Policy.

Compensation Range: $22 - $25 per hour

US-CA-Irvine

• Company Mesa Energy Systems, Inc.
• Category Marketing/Sales
• Position Type Intern
• Location Type Onsite
• Posted Date 1 month ago (2/2/2026 3:55 PM)