Pearson Engineering Associates, Inc.

Uncompromising Technical Expertise, Integrity, Professionalism

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About the firm

Pearson Engineering Associates, Inc. (PEA) is a dual-discipline mechanical and electrical engineering consulting practice based in Phoenix, Arizona. Founded in 1969, PEA provides comprehensive mechanical, plumbing, and electrical (MPE) engineering solutions. With over 50 years of experience, the practice serves commercial, municipal, governmental, educational, industrial, high-tech, and healthcare facilities. It has specialized expertise in engineering designs optimized for desert environments and incorporates modern Building Information Modeling (BIM) delivery and sustainable designs.

Established
1969
Team
Small
Firm type
MEP · Mechanical Engineering · Electrical Engineering · Design-Build

Credentials

LEED Accredited Professionals

People

Dave PearsonPresident

Jeff RuthstromExecutive Vice President

Bob WillcoxsonSenior Vice President

Jeff MostajabiSenior Vice President

Larry RobertsonAssociate

Jim KilfoyleAssociate

Bret HillerAssociate

Capabilities

Mechanical Systems Design

Service website

Designing advanced heating, ventilation, and air conditioning systems tailored for optimal thermal control and energy conservation. Solutions encompass central plants, thermal storage, and variable air distribution methods designed specifically to withstand harsh desert environments.

  • Steam and Hot Water Burners
  • Centrifugal, Absorption, and Reciprocating Chillers
  • Diesel and Gas Turbine Co-generation
  • Chilled and Hot Water Storage
  • Ice Making Systems
  • Heat Pumps
  • Geothermal Systems
  • Variable Volume Terminal Reheat
  • Variable Volume Cold Air
  • Fan Powered VAV with Primary Air
  • Two and Four Pipe Fan Coil Systems
  • Low Temperature HVAC Systems
  • Under Floor Air Distribution Systems
  • Radiant Ceiling Heating and Cooling Systems

Plumbing Systems Design

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Engineering safe, efficient, and compliant fluid distribution systems for a wide variety of facilities. Designs integrate sanitary, storm, water conservation, and reclamation systems alongside specialty medical and laboratory gas piping.

  • Domestic Hot and Cold Water Distribution
  • Hot Water and Solar Water Systems
  • Storm Drainage Systems
  • Sanitary Sewer Waste and Vent
  • Natural Gas Systems
  • Pumping Systems
  • Laboratory Waste Disposal
  • Food Service Plumbing
  • Water and Heat Reclamation
  • Backflow Prevention
  • LEED Plumbing Solutions
  • High Purity Water Systems
  • Medical Gas Systems

Process Systems Design

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Developing specialized utility and environmental control systems for industrial, high-tech, and pharmaceutical facilities. Capabilities cover process heating and cooling, hazardous chemical handling, compressed air, and emission controls.

  • Process Cooling
  • Process Heating
  • Acid and Solvent Ventilation
  • Flammable Liquids Storage and Handling
  • Pharmaceutical Water and Clean Steam
  • Process Instrumentation and Control
  • Waste Treatment
  • Compressed Air Systems
  • Process Utilities
  • Emission Control and Vapor Recovery
  • Hazardous Chemical Handling Systems

Electrical Systems Design

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Creating robust power distribution and architectural lighting systems that prioritize safety and reliability. Services include comprehensive power studies, grounding safety audits, emergency standby systems, and low-voltage telecommunications integration.

  • Power Distribution System Design
  • Architectural, Exterior, Roadway, and Sports Lighting
  • Lighting Control Systems
  • Flash Hazard and Short Circuit Studies
  • Protective Coordination Studies
  • Harmonic Surveys
  • Grounding Safety and Performance Audits
  • Electrical Spec Compliance Inspections
  • Emergency and Standby Power Design
  • Peak Shaving Studies
  • Uninterruptible Power Distribution System Design
  • Access Control, Fire Alarm, and Lightning Protection
  • Voice and Data Backbone Systems

Sustainable Design

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Incorporating energy conservation techniques and building automation solutions to lower overall utility costs and environmental impact. The team features credentialed professionals who implement green building solutions and support LEED projects.

  • LEED Design and Documentation
  • Energy Conservation Analysis
  • Building Automation Systems

Design-Build

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Providing integrated delivery methods that combine engineering expertise with construction execution. This collaborative approach streamlines coordination, manages costs, and accelerates project schedules.

  • Design-Build Project Delivery

Construction Administration

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Overseeing the execution phase of engineering designs to ensure compliance with specifications and plans. Services include reviewing submittals, answering requests for information, conducting site inspections, and performing final walks.

  • Shop Drawing and Submittal Review
  • RFI Review and Response
  • Construction Jobsite Inspections
  • Substantial Completion and Final Inspections

Commissioning

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Verifying and documenting that all mechanical, plumbing, and electrical systems operate in accordance with the design intent and operational requirements.

  • Mechanical, Plumbing, and Electrical System Commissioning
  • Planning, Scheduling, Testing, and Verification

Feasibility Studies

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Conducting initial engineering and technical analyses during the concept phase to assess viability, utility capacity, and technology options for planned developments.

  • Concept-Phase Engineering Analysis

System Condition Assessments

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Evaluating existing mechanical and electrical infrastructure to determine operational reliability, estimate remaining useful life, and project upgrade costs.

  • Mechanical and Electrical Equipment Evaluation
  • Remaining Life Estimates
  • Upgrade Cost Assessments

Value Engineering

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Formulating alternative engineering solutions and performing cost-benefit analyses to optimize budget efficiency without sacrificing quality or system performance.

  • Alternate Design Solutions
  • First-Cost Reduction Analysis

Industries

Commercial · Government · Defense · Education · Industrial · Healthcare

Projects

No projects listed yet.