Engineering Design

Research Commercialization Engineering

We work alongside research institutions and commercial businesses to provide mechanical design and physics-based analysis services to support project scaling, process optimization, machine development, and cutting-edge device innovation.

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Regulatory & Grant Compliance

Experience in addressing and supporting regulatory, grant, and investment requirements that may apply to the research innovation.

3D CAD

Technical Expertise

Extensive technical expertise in the thermal management field, particularly in designing components for efficient packaging and cooling of electronics for energy efficiency and reliability.

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Engineering Design & Prototyping

Refine and optimize component, assembly, and system design and analysis. Then conduct testing and validation through prototype fabrication and testing.

Bridge the Gap Between Research and Market

Leverage our expertise in mechanical design, physics-based analysis, and manufacturing processes to commercialize your research. We work to ensure products, devices, and machines meet specifications before anything gets built with our process of integrated design & analysis.


You retain full ownership of all Intellectual Property (IP). As your engineering partner and subcontractor, we adhere to a transparent billing approach based on standard time and materials rates.

We have direct experience designing the following industries.


  • Hydrogen Energy & Storage
  • Carbon Capture
  • Nuclear Energy
  • Battery Systems
  • Electronics Packaging & Cooling
  • Directed Energy Weapons
  • Networking Devices
  • Radar
  • Medical Devices


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Capabilities

From concept to creation - whether you're IP exists in a fume hood or as a napkin sketch, we can create, optimize and validate your design.

Battery Cooling

Assembly & System Design

We have experience designing complex mechanical systems that incorporate multiple electrical and mechanical components and subsystems.


  • Custom Machines & Devices
  • Composite Material Assemblies
  • Welded Structures
  • Machined Components
  • Custom Test Fixtures
  • Thermal Management System Design
  • Heat Exchanger Design
  • Cold Plate Design


Concept Development

We understand the project goals and necessary deliverables, then design the mechanical components and systems involved to fabricate and test your research.


  • Ideation
  • Concept Selection
  • Feasibility Study
  • Design Optimization

Design for Manufacturability and Assembly

We identify optimal manufacturing process and design with those manufacturing and assembly processes in mind, minimizing components, fabrications efforts, and ultimately cost.


  • Assembly Design
  • Prototype Design
  • Component Design
  • Production Design

Thermal Analysis

We perform Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) using ANSYS software and write custom heat transfer, thermodynamic, and pressure drop codes for transient and steady-state problems.


  • Finite Element Analysis (FEA)
  • Computational Fluid Dynamics (CFD)
  • Heat Exchanger Design
  • Cold Plate Design
  • Electronics Cooling & Packaging
  • Thermal Management

Computational Fluid Dynamics (CFD)

We provide Computational Fluid Dynamics (CFD) simulation services using ANSYS software to solve complex fluid-related problems numerically and ensure air and liquid flow in your design operate as intended.


  • Transient or Steady State Analysis
  • Fluid Distribution
  • Fluid Flow
  • Single and Two-Phase Pressure Drop Analysis

Structural Analysis

We utilize a combination of hand calculations and Finite Element Analysis (FEA) in ANSYS engineering software to optimize designs, reduce weights and costs, and ensure part performance.


  • Finite Element Analysis (FEA)
  • Stress Analysis
  • Assembly Structural Analysis
  • Failure & Fatigue Analysis

Trusted by Credible Organizations

Johnston Engineering President, Andy Johnston, serves on the board of Evergreen Bioscience Innovation Cluster. We work closely within the cluster to provide our clients with more than just engineering expertise - we also provide the necessary information and connections to professionals in regulatory compliance and IP protection that are needed to successfully bring their products to market.


We have extensive experience in developing medical and dental devices, from consumer use to surgical applications. In fact, as of recently, we've even had experience from your side, as Andy brings his own product, the HAA Backsaver, to market after obtaining FDA approval.

All Services

Thermal Analysis

Mechanical Design

Design using SolidWorks 3D CAD modeling and test using ANSYS engineering software. Models are designed for manufacturing.

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Thermal Analysis

Thermal FEA using ANSYS to simulate how materials respond to heat, energy and temperature loads to ensure optimal thermal performance.

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Computational Fluid Dynamics

Calculate velocity distribution, density, temperature, heat transfer, pressure drop, flow rates, and fluid distribution.

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Structural Analysis

Model stress and deflection under force pressure and moment loads.

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Move Forward With Confidence

We want to help scale up your research and take your project to the next level.

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