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Trusted MEP Engineering Solutions
K2D Consulting Engineers is a professional mechanical, plumbing, and electrical engineering firm dedicated to delivering innovative and collaborative design solutions. With operations spanning California, Arizona, Washington, Colorado, and Nevada, we specialize in energy-efficient systems that prioritize comfort, sustainability, and functionality. Our team of LEED-accredited licensed engineers provides comprehensive services including HVAC, plumbing, fire protection, energy conservation, and commissioning. Founded on principles of excellence and client-centric values, we maintain a commitment to detailed construction documents and cutting-edge technology.

Our expertise extends to healthcare, aviation, educational facilities, and mixed-use developments, ensuring compliance with industry codes and regulations. We approach every project with fresh perspectives, leveraging decades of collective experience to meet client needs while advancing environmentally responsible systems. Client satisfaction remains our priority, demonstrated through timely project delivery, budget adherence, and personalized service tailored to each project's unique requirements.
Services
MEP Engineering Title 24 Compliance HVAC Design Fire Sprinkler Systems Solar Design Commissioning Services Plumbing Engineering LEED Certification Facilities System Design Electrical Drafting
Highlights and features
  • We offer LEED-accredited engineers with expertise in sustainable design.
  • Our team delivers detailed construction documents with comprehensive coordination.
  • We maintain a 100% focus on energy-efficient and environmentally responsible systems.
  • Our collaborative process adapts to each project's architectural and phasing requirements.
  • We provide tailored commissioning services aligned with ASHRAE guidelines.
Associations and certifications
  • LEED
Services
MEP Engineering
Our MEP engineering services integrate mechanical, electrical, and plumbing systems for optimal building performance. We specialize in HVAC design, power distribution, and plumbing solutions that meet strict energy codes. Our engineers collaborate with architects to ensure systems align with architectural requirements while maintaining sustainability and cost-efficiency across commercial and residential projects.
LEED Certification
K2D Consulting Engineers provides LEED certification services to achieve Leadership in Energy and Environmental Design standards. Our team conducts energy audits, designs water-efficient systems, and implements CO2 reduction strategies. We help clients navigate the certification process for commercial buildings, ensuring compliance with global sustainability benchmarks through detailed documentation and performance verification.
Title 24 Compliance
We offer Title 24 energy compliance services for California buildings, ensuring adherence to energy efficiency regulations. Our engineers perform energy modeling, lighting calculations, and HVAC load analysis to meet state requirements. This service helps clients obtain permits while reducing long-term energy costs through optimized building systems and envelope designs.
Fire Sprinkler Design
Our fire sprinkler design services create code-compliant suppression systems for residential and commercial properties. We use advanced modeling software to design layouts that ensure occupant safety while meeting NFPA standards. The service includes hydraulic calculations, system maintenance planning, and integration with building automation systems for comprehensive fire protection solutions.
Commissioning Services
K2D's commissioning services verify building systems perform to design specifications. We conduct functional testing of HVAC, electrical, and plumbing systems, develop operations manuals, and provide staff training. Our ASHRAE-guideline-based approach ensures optimal energy performance and occupant comfort while maintaining compliance with LEED certification requirements for new and existing facilities.
People
Arash Khalifeh
Founder
Arash Khalifeh leads K2D Consulting Engineers with over 20 years of experience in MEP design. He specializes in sustainable engineering solutions and has directed award-winning projects across healthcare, aviation, and commercial sectors. His leadership emphasizes technical excellence and client collaboration.
Questions
What services does K2D Consulting Engineers offer?
We provide MEP engineering, LEED certification, Title 24 compliance, fire sprinkler design, and commissioning services for commercial and residential projects.
Do you serve clients outside California?
Yes, we serve clients in Arizona, Washington, Colorado, Nevada, Florida, Hawaii, and Texas in addition to California.
What is Title 24 compliance?
Title 24 is California's energy efficiency standard for buildings. We help clients meet these requirements through energy modeling and system optimization.
Are your engineers LEED certified?
Yes, our team includes LEED-accredited professionals who specialize in sustainable design and green building certification.
How do you ensure project quality?
We use detailed construction documents, advanced modeling software, and ASHRAE-guideline commissioning to ensure quality and code compliance.