Portfolio

Preservation

Our meticulous, research-driven approach to MEP engineering is an ideal fit for preserving and renovating historic buildings. We work closely with owners and architects to protect significant structures while incorporating modern, efficient systems that minimize maintenance and operating costs while prolonging the life of the building.

Smithsonian National Air and Space Museum in Washington, DC, modernized with engineering services by Mueller Associates.
National Air and Space Museum
Smithsonian Institution

Sustainability soars in the renovation of the Smithsonian’s Mid-Century Modern classic, including the replacement of all of the building systems

New Construction & Renovations
Smithsonian Institution

Mueller Associates has partnered with the Smithsonian Institution for over 45 years, delivering engineering solutions across museums, collections, and research facilities.

Capital Projects & Renovations
Baltimore Museum of Art

Mueller Associates has partnered with the Baltimore Museum of Art for nearly 50 years, delivering engineering solutions that protect collections and enhance the visitor experience.

New Construction & Renovations
Dumbarton Oaks

Mueller Associates provides engineering solutions for Dumbarton Oaks, supporting historic preservation, scholarly research, and new educational spaces within a landmark estate.

Copley Crypt & St. William Chapel
Georgetown University

Renovation of Georgetown’s historic Copley Crypt and St. William chapels with quiet, preservation-focused HVAC, lighting, and electrical upgrades that enhance worship and gathering spaces.

Exterior of The Phillips Collection’s historic Georgian Revival museum building in Washington, DC.
Comprehensive Modernization
The Phillips Collection

Mueller Associates modernized environmental and control systems at The Phillips Collection to protect artwork, improve comfort, and reduce long-term maintenance.

Lyric Opera House

Multiple upgrades over three decades keep this historic venue up to date to accommodate grand opera and major touring productions

National Postal Museum
Smithsonian Institution

Mueller Associates engineered museum systems for the William H. Gross Stamp Gallery, balancing artifact preservation with restoration of a historic landmark.

Josiah Henson Park Museum and Education Center
Maryland-National Capital Park and Planning Commission

Mueller Associates engineered preservation-focused building systems for the Josiah Henson Park Museum, supporting interpretation, education, and historic stewardship.

Maryland State House
Maryland Department of General Services

A carefully researched restoration of a historic government landmark redesigned and refurbished to reflect the elegant Victorian style of the era

Hackerman House
Walters Art Museum

Mueller Associates modernized building systems at the Walters Art Museum’s historic Hackerman House to support collections, galleries, and operations.

Robinson House
Virginia Museum of Fine Arts

Mueller Associates provided MEP engineering for the adaptive reuse of VMFA’s historic Robinson House, supporting visitor services, accessibility, and museum operations.

Renovations
Folger Shakespeare Library

Mueller Associates engineered HVAC and environmental control upgrades at the Folger Shakespeare Library, improving temperature and humidity conditions to preserve the world’s largest collection of Shakespeare’s works.

Sant Ocean Hall
Smithsonian Institution

Mueller Associates engineered the restoration of the Sant Ocean Hall at the Smithsonian’s National Museum of Natural History, integrating modern HVAC, electrical, and lighting systems within a historic Beaux-Arts grand hall to support conservation and immersive ocean exhibits.

Paleobiology Laboratory National Museum of Natural History
Smithsonian Institution

Mueller Associates engineered cost-effective HVAC upgrades for the Smithsonian’s Paleobiology Laboratory, supporting research, safety, and collections care.

Renovation & Expansion
Muskegon Museum of Art

A major expansion and renovation enhances gallery environments, visitor access, and collections support at the Muskegon Museum of Art.

NMWA Renovation and Revitalization
National Museum of Women in the Arts

Mueller engineered the comprehensive renovation of the National Museum of Women in the Arts in Washington, D.C., preserving its historic architecture and advancing its mission to celebrate women artists.

Chesapeake Shakespeare Theater
Chesapeake Shakespeare Theater Company

Renovation of a 19th-century structure into a popular venue for the performing arts and as a theater-in-the-round

Thomas Jefferson Visitor Center at Monticello
Thomas Jefferson Visitor Center

Mueller Associates provided MEP engineering for the Thomas Jefferson Visitor Center at Monticello, supporting exhibitions, education spaces, and sustainable geothermal systems within a historic landscape.

National Zoo
Smithsonian Institution

Mueller Associates supports the Smithsonian’s National Zoo with engineering solutions for animal habitats, conservation spaces, and visitor-focused exhibits.

Renovation & Courtyard Entrance
Academy Art Museum

Mueller Associates provided HVAC and lighting engineering for the Academy Art Museum in Easton, Maryland, enhancing visitor comfort, collections care, and a new glass entry vestibule within a historic museum setting.

Bird House
Smithsonian National Zoo

Mueller engineered advanced MEP systems for the Smithsonian’s National Zoo Bird House, combining historic preservation, sustainability, and avian conservation in a LEED Gold renovation.

Center for the Study of Prints, Drawings and Photographs and Center for Matisse Studies
Baltimore Museum of Art

Mueller Associates provides engineering solutions for the Baltimore Museum of Art that support collections care, conservation, and museum scholarship.

Miguel B. Fernandez Family Center for Innovation and Collaborative Learning
Loyola University Maryland

LEED Gold Fernandez Center at Loyola University blends a historic renovation with a modern addition, featuring high-performance MEP systems, shared learning spaces, and sustainable design.

Gain Momentum

Our industry newsletter, Momentum, highlights projects, clients, and MEP and fire protection engineering trends