MEP Engineering Services for a More Sustainable Planet
Comprehensive Services, Challenging Projects
Your Full-Service Engineering Partner
Founded in 1973, Grumman|Butkus Associates is a nationally recognized firm specializing in sustainable design engineering and energy efficiency consulting. Our award-winning services include facility assessment and analysis, MEP engineering design, commissioning, retro-commissioning, monitoring-based commissioning, and energy efficiency and LEED consulting.
We help clients achieve goals and solve tough problems, with particular expertise in energy-intensive and complex facilities, including:
Sports / Recreation
Lab / Science
Cultural / Religious
Pharmaceutical / Industrial
Multidiscipline Sustainable Engineering
We haven’t met a problem we couldn’t solve.
Hyatt Regency Maui Resort and Spa
Heat recovery technology made a dramatic difference for this massive leisure property, saving energy and money
University of Illinois at Urbana-Champaign, MRL and MNTL
Two complex engineering buildings received large-scale renovations, resulting in award-winning energy savings
801 Grand, Des Moines
Energy modeling, facility assessment, troubleshooting, and combined low/no cost and capital improvements provided long-term benefits for this Des Moines skyscraper
Honoring Our Roots
From its beginnings 50 years ago as a small energy consulting firm, under the direction of Dave Grumman and Al Butkus, GBA has grown to include more than 150 professionals in four offices, serving clients throughout North America.
Sustainable engineering remains the bedrock of all we do. From building performance assessments and studies, through design, commissioning services, and post-occupancy engineering analytics, GBA has the expertise you need to create more efficient, economical, environmentally beneficial facilities.
The firm is guided by a team of highly experienced engineers and management professionals, who are as dedicated to sustainability as they are to customer service. Core principles of collaboration and creativity are part of the company’s DNA, just as they were when GBA was founded in 1973.