Design-Build Mechanical Services
Streamlined project delivery with single-source responsibility for your mechanical systems
Integrated Design-Build Solutions
AJ Allen's design-build approach combines mechanical engineering expertise with construction excellence to deliver turnkey mechanical solutions. This integrated delivery method provides single-source responsibility, accelerated timelines, and optimized project costs.

Our design-build team collaborates from project inception through completion, ensuring seamless coordination between design and construction phases. This approach eliminates traditional barriers between design and construction, resulting in more efficient project delivery and superior outcomes.
Design-Build Advantages
Single-Source Responsibility
One contract, one point of contact, and one company responsible for both design and construction of your mechanical systems. This eliminates finger-pointing and ensures accountability throughout the project.
Accelerated Project Delivery
Overlapping design and construction phases significantly reduce overall project timelines while maintaining quality standards and attention to detail.
Cost Optimization
Continuous value engineering throughout the design process ensures cost-effective solutions without compromising system performance or reliability.
Enhanced Collaboration
Integrated team approach fosters collaboration between designers, builders, and clients, resulting in innovative solutions and improved project outcomes.
Our Design-Build Process
AJ Allen's proven design-build process ensures efficient project delivery while maintaining the highest standards of quality and performance.
Project Planning & Programming
Collaborative sessions to understand your requirements, goals, and constraints. We establish project parameters, budgets, and performance criteria.
- Needs assessment and programming
- Budget development and validation
- Schedule establishment
- Performance criteria definition
Conceptual Design & Feasibility
Development of conceptual mechanical designs with feasibility analysis, preliminary cost estimates, and schedule projections.
- Conceptual system designs
- Feasibility studies
- Preliminary cost estimates
- Alternative analysis
Design Development & Value Engineering
Detailed design development with continuous value engineering to optimize performance, efficiency, and cost-effectiveness.
- Detailed mechanical designs
- Value engineering sessions
- Equipment selection and specification
- Constructability reviews
Construction & Installation
Professional installation by certified technicians with continuous quality control and progress monitoring throughout construction.
- Professional installation
- Quality control inspections
- Progress monitoring and reporting
- Safety compliance
Commissioning & Handover
Comprehensive system testing, commissioning, and training to ensure optimal performance and smooth transition to operations.
- System testing and commissioning
- Performance verification
- Operator training
- Documentation and warranties
Design-Build Project Applications
Our design-build services are ideal for a wide range of commercial and industrial mechanical projects requiring integrated delivery and optimized performance.
New Commercial Construction
Complete mechanical systems for new office buildings, retail centers, and commercial facilities requiring integrated HVAC, plumbing, and controls.
Industrial Facilities
Specialized mechanical systems for manufacturing and industrial facilities requiring process cooling, compressed air, and environmental controls.
Healthcare Facilities
Complex mechanical systems for healthcare facilities requiring specialized HVAC, medical gas systems, and infection control measures.
Facility Renovations & Expansions
Mechanical system upgrades and expansions for existing facilities requiring careful integration with existing systems and minimal disruption.
Advanced Technology Integration
Our design-build approach incorporates the latest mechanical technologies and building automation systems to optimize performance and efficiency.
Building Information Modeling (BIM)
3D modeling and coordination to optimize system layouts, identify conflicts, and improve construction efficiency.
Energy Management Systems
Integrated energy management and building automation systems that optimize performance and reduce operational costs.
High-Efficiency Equipment
Selection and integration of high-efficiency mechanical equipment that meets or exceeds energy code requirements.
Smart Controls & IoT Integration
Advanced control systems and IoT integration for remote monitoring, predictive maintenance, and optimal system performance.
Quality Assurance & Project Management
AJ Allen's design-build projects benefit from rigorous quality assurance processes and experienced project management throughout all phases.
Experienced Project Management
Dedicated project managers with extensive design-build experience ensure smooth coordination and timely project delivery.
Quality Control Protocols
Multi-point quality control inspections throughout design and construction phases ensure adherence to specifications and standards.
Code Compliance & Permits
Complete permit coordination and code compliance ensures all mechanical systems meet regulatory requirements.
Performance Verification
Comprehensive testing and commissioning verifies system performance meets design criteria and client expectations.
Ready to Streamline Your Next Mechanical Project?
Experience the advantages of design-build delivery with AJ Allen's integrated mechanical solutions.