With more than 200 years of combined experience, our management team is made up of leading experts in the field.

Our People

Joel Weisheit

President

40+ years of experience

In addition to overseeing all aspects of the business, Joel is heavily involved with refrigeration design, project estimation and execution for large industrial clients, as well as commercial projects for churches and schools. Joel and his wife, Mary, founded the company in 1997.

Tom Worthy

Construction Manager

40+ years of experience

Tom is responsible for the execution of large-scale construction projects, specifically for industrial clients. He has many years of experience in estimating, project management, refrigeration system design, purchasing and scheduling.

John Murdaugh

Director of Industrial Refrigeration

35+ years of experience

With a strong background in refrigeration design and energy efficiency, John handles sales and account management for Apex’s industrial refrigeration customers. Additionally, John oversees the refrigeration engineering department at Apex. He is also a former president of RETA (Refrigeration Engineers and Technicians Association) and received his degree from Arizona State University.

Robert Severe

Construction Manager

25+ years of experience

Robert is responsible for project execution in the field and oversees a construction crew of more than 10 welders. His primary focuses are large-scale industrial and commercial refrigeration projects.

Valerie Rasmussen

Office Manager

20+ years of experience

Valerie oversees all office functions, including accounts receivable, accounts payable, payroll, job tracking and more. She has been with company since it opened in 1997. Valerie received her degree from Northern Arizona University.

Erik Rasmussen

General Manager

15+ years of experience

As general manager, Erik oversees all operational functions, including finance, marketing, legal/contracts, strategic planning, licensing, human resources, safety and more. Erik received his degree from Arizona State University.

Abel Medina

Industrial Service Manager

10+ years of experience

Abel oversees the industrial service department. He has a strong mechanical background and specializes in maintaining industrial and commercial refrigeration facilities. He is responsible for estimation, safety, compliance and customer service within the department. Additionally, he is responsible for employee training and education.

Shawn Costello

Commercial Service Manager

10+ years of experience

Shawn oversees the newly developed commercial service department. He has a strong mechanical background and specializes in maintaining chillers, cooling towers, boilers and traditional HVAC equipment. He is responsible for estimation, safety, compliance and customer service within the department.

Joseph Weisheit

Refrigeration Design Engineer

10+ years of experience

Joseph is responsible for refrigeration design and engineering in our industrial and commercial facilities. He executes 2D/3D designs based on customer requirements and provides project management from start to finish on his projects. Joseph received his Mechanical Engineering degree from Arizona State University and is currently an Engineer-in-Training.

Chris Fahrenholz, PE

Senior Refrigeration Design Engineer

5+ years of experience

Chris is responsible for refrigeration design and engineering in our industrial facilities. He executes 2D/3D designs based on customer requirements and provides project management from start to finish on his projects. Chris received his Mechanical Engineering degree from Miami University in Oxford, Ohio and is currently a licensed PE in Arizona, Colorado, Ohio, Utah and Virginia (California and New Mexico are pending application approval).

Apex Refrigeration Services is now Refrigerated Mechanical Solutions

Dustin McDonald

President, Refrigerated Mechanical Solutions

15+ years of experience

Dustin oversees all aspects of Refrigerated Mechanical Solutions (formerly Apex Refrigeration Services, Inc.), and has vast experience in refrigeration controls and system troubleshooting.

Kevin Bradstock

Project manager

30+ years of experience

Kevin is responsible for the service and installation of industrial and commercial refrigeration and HVAC.

Jim Brockhouse

Refrigeration Design/​Compliance

15+ years of experience

Jim manages equipment layout and design. He is experienced in P&ID development, mechanical integrity audits, computer-aided drafting (CAD), Revit modeling and industry regulations.

Ted Reeves

Service Manager

20+ years of experience

Ted is responsible for the overall performance of the service department. He is experienced in field troubleshooting and develops planned maintenance programs for accounts.