RJA Engineering

Colorado and Montana's Full-Service Engineering Practice

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About the firm

Ramirez, Johnson, and Associates provides building systems design, commissioning, and engineering solutions to meet the needs of any project. It offers designs that are efficient and appropriate for building owners, occupants, and staff. Whether collaborating with an architectural practice or a local business starting up for the first time, RJA is dedicated to building project success and strong relationships through open communication and responsive design. It is dedicated to environmentally friendly practices and high-performance design.

Established
2009
Team
Small
Firm type
MEP

Credentials

Certifiably Green Denver

People

Darin RamirezFounding Partner

Eric JohnsonFounding Partner

Paul PlewczynskiElectrical Designer

Scott ZimmermanMechanical Engineer

Judah KatzMechanical and Plumbing Designer

Chris WoodMechanical and Plumbing Designer

Henry FurutaMechanical Engineer

Derek WetchMechanical and Plumbing Designer

Meryem CanozElectrical Designer

Huseyin Martin YildiranMechanical and Plumbing Designer

Ava LawrenceMechanical Engineer

Mike SullivanMechanical and Electrical Design Professional

Quinn ThielmannMechanical and Plumbing Designer

Colin NolanMechanical Designer

Gabrielle KingElectrical Designer

Guillermo RivasElectrical Designer

Zack HoytLighting Engineer

Jessie ThomasBusiness Manager

Capabilities

Building Systems Engineering

Service website

Comprehensive engineering services for building infrastructure, integrating efficiency with responsive designs.

  • Mechanical Engineering

    Designing energy-efficient HVAC, temperature control, and automation systems tailored to client budgets and architectural integration.

  • Electrical Engineering

    Providing power distribution, interior and exterior lighting, lighting controls, photometrics, and renewable energy system integration.

  • Plumbing Engineering

    Designing plumbing, domestic hot water, sanitary, and specialized medical gas distribution systems.

  • Fire Protection Engineering

    Designing and integrating robust fire protection and fire alarm systems.

Commissioning

Service website

Systematic processes to verify that building systems operate as intended by design and required by owners.

  • Retro-Commissioning & Re-Commissioning

    Optimizing existing installations and systems to improve reliability, maintainability, and overall efficiency.

  • New Building Commissioning

    Inspecting and verifying mechanical, electrical, plumbing, and specialty systems during construction and initial startup.

Sustainable Design and Energy Services

Service website

High-performance consulting to minimize environmental impact and maximize energy savings.

  • Energy Modeling and Analysis

    Simulating full-building performance to optimize energy conservation measures and document compliance with local and state codes.

  • Sustainability Consulting

    Guiding projects through high-performance goals, Certifiably Green Denver, updated Energize Denver regulations, California Title 24, and utility rebate programs.

Industries

Commercial · Retail · Residential · Multifamily Residential · Affordable Housing · Mixed-Use · Hospitality · Historic Preservation · Education · Sports & Recreation · Healthcare · Laboratories · Government · Industrial · Food & Beverage · Transportation · Mission Critical Facilities · Renewable Energy

Projects

Lash Boulevard Salon

Denver, CO · Retail · Client: Lash Boulevard Salon

Project details

Mechanical, electrical, and plumbing engineering design services for the Lash Boulevard Salon retail project.

French for Sugar Bakery

Denver, CO · Food & Beverage · Client: French for Sugar Bakery

Project details

Mechanical, electrical, and plumbing engineering design services for the French for Sugar Bakery project.

Duet Design Group Workspace

Denver, CO · Commercial · Client: Duet Design Group

Project details

Mechanical, electrical, and plumbing engineering design services for the Duet Design Group interior design office space.