Business Details
50+ Years
experience
Sustainable Architecture and Net Zero Design Solutions
Maclay Architects has been a leader in sustainable architecture for over five decades. Founded in 1971, our practice pioneered energy-efficient design long before it became an industry standard. We specialize in net-zero and net-positive energy buildings, integrating biophilic design principles and biomimicry to create structures that harmonize with natural systems. Our collaborative process emphasizes clear communication, trust-building, and alignment with client goals, supported by a network of experienced consultants and contractors. With expertise in Living Building Challenge, LEED, and Passive House certifications, we deliver high-performance buildings across commercial, institutional, and residential sectors.Our work has saved clients over $13 million in energy costs while reducing carbon emissions equivalent to 100 million pounds of CO2e. We combine technical rigor with creative problem-solving, offering energy modeling, financial analysis, and construction oversight to ensure projects meet sustainability targets and budget requirements. Our team's deep experience in cold-climate design and embodied carbon reduction positions us as innovators in regenerative architecture. We measure success through the long-term value we create for clients and the positive environmental impact of our work.
Services
Sustainable Architecture
Net Zero Design
Energy Modeling
LEED Certification
Passive House Design
Green Building Consulting
Building Science
Renewable Energy Integration
Project Management
Historic Renovation
Details
- Year established: 1971
Highlights and features
- Pioneers in net-zero design with 50+ years of cold-climate expertise
- Proven financial analysis methodology ensuring cost-effective sustainability
- Comprehensive energy modeling and performance verification process
- Certified experts in multiple sustainability frameworks and standards
- Track record of delivering 100+ high-performance buildings with measurable savings
Associations and certifications
- Living Building Challenge
- LEED Certification
- Passive House Institute US (PHIUS)
- WELL Certification
- New Buildings Institute
Services
Sustainable Architecture
Our sustainable architecture practice integrates biophilic design principles and biomimicry to create buildings that function as living systems. We focus on energy efficiency, material sustainability, and occupant well-being while maintaining aesthetic excellence. Our approach combines cutting-edge technology with time-tested design strategies to deliver regenerative buildings that positively impact their environments.
Net Zero Design
We specialize in net-zero energy buildings that produce as much energy as they consume through renewable sources. Our proprietary energy modeling and financial analysis methodology ensures cost-effective implementation. This includes envelope optimization, high-efficiency mechanical systems, and solar energy integration tailored to cold climate challenges.
LEED Certification
We guide projects through LEED certification while exceeding baseline requirements. Our approach combines sustainability best practices with innovative design solutions. We leverage our deep understanding of USGBC standards to maximize points while ensuring practical, cost-effective implementation that delivers long-term value.
Passive House Design
Our PHIUS-certified professionals deliver ultra-efficient buildings using passive design principles. We implement rigorous air sealing standards (0.06 cfm/sf at 50 Pascals) and optimized thermal envelopes. Our expertise includes R60 roofs, triple-glazed windows, and energy recovery ventilation systems tailored to northern climates.
Energy Modeling
We use advanced energy modeling tools to optimize building performance from concept through construction. Our analysis includes EUI benchmarking, lifecycle cost assessment, and financial modeling. This data-driven approach ensures projects meet sustainability targets while maintaining economic viability through accurate cost-benefit evaluation.
People
Bill Maclay
President
Architect and sustainability pioneer with 50+ years of experience in net-zero design. Author of 'The New Net Zero' and leader in cold-climate energy-efficient building techniques since 1971.
Chris Cook
Principal
LEED AP with extensive experience in sustainable institutional projects. Specializes in integrating renewable energy systems and achieving Living Building Challenge standards through collaborative design processes.
Marc W. Young
Principal
Architect with expertise in high-performance building envelopes and energy modeling. Focuses on technical innovation and construction quality assurance for net-zero projects in challenging climates.
Catherine Earley
Principal
Sustainable design leader with specialization in educational facilities. Combines biophilic design principles with rigorous energy performance standards to create inspiring learning environments that support occupant health and wellness.
Beth Eisenhower
Project Architect
Experienced in residential and small-scale commercial net-zero projects. Focuses on material sustainability, embodied carbon reduction, and creating healthy living environments through regenerative design principles.
Questions
What makes Maclay Architects different from other architectural firms?
We combine 50+ years of net-zero design expertise with proprietary energy modeling tools and a proven collaborative process. Our deep experience in cold-climate sustainability and multiple certification frameworks delivers unique value.
How do you ensure buildings meet net-zero energy goals?
Through rigorous energy modeling, envelope optimization (R60 roofs, 0.06 cfm/sf air sealing), and renewable energy integration. We verify performance with post-occupancy monitoring and adjust as needed.
Can older buildings achieve net-zero energy performance?
Yes. We've successfully completed deep energy retrofits that reduce energy use by 70-90% before adding renewables. Our historic renovation projects demonstrate this capability in practice.
How do you handle project budgets for sustainable buildings?
We use lifecycle cost analysis and financial modeling to optimize sustainability investments. Our data shows net-zero buildings often provide positive cash flow from day one when properly designed.
What sustainability certifications do you work with?
We specialize in Living Building Challenge, LEED, Passive House, and WELL certifications. Our team holds multiple professional accreditations across these frameworks to deliver certified performance.
How do you address embodied carbon in buildings?
We analyze material carbon impacts and prioritize low-carbon options like mass timber. Our whole-building carbon accounting approach considers both operational and embodied carbon for comprehensive climate solutions.
