Smarter HVAC Design That

Saves You Time

From villas to metro stations, Kiwan Engineering Office delivers HVAC systems that perform flawlessly 

Request Your HVAC Design Proposal 
See My Work

Poorly designed HVAC systems cost millions in rework, delays, and energy waste. 

  • Systems that don't meet cooling loads uncomfortable spaces 
  • Oversized units- high energy bills and wasted resources 
  • Incomplete documentation- endless back-andforth with contractors 
  • Lack of compliance— failed inspections and costly redesigns 

Truth: Without expert HVAC design, projects suffer in performance, safety, and efficiency.

At Kiwan Engineering Office, we design HVAC systems that are: 

  • Precise— every calculationbackedby advancedsoftware (HAP, Revit, Nova) 
  • Efficient— optimized for energy savings andsustainability 
  • Compliant— aligned with ASHRAE, DIN, and Saudi Building Codes 
  • Proven— trusted by Amazon, Royal Palaces, hospitals, and mega projects 

Why Choose Kiwan Engineering Office

I'm not here to be another contractor on your list. I'm here to be a strategic partner in your success. Having worked on over 450 projects

  • Unmatched Experience: from Lebanon, to Saudi Arabia, and Germany. I’ve engineered systems across residential, commercial, and industrial projects.
  • Proven Results: Royal palaces, villas, metro stations, clinics, warehouses, and hotels.

  • Continuous Learning: Certified in advanced design, firefighting, electrical, and renewable energy systems

  • Future-Ready Design: Continuous training in BIM, Revit, AutoCAD MEP, Nova, HAP, PipeFlow, and sustainable energy systems, to ensure your project benefits from the latest technology.
  • Sustainable Engineering: energy-efficient, future-ready systems for long-term savings

top-tier software proficiency, and a deep understanding of mechanical systems, I bring excellence to every line drawn.

When you choose me, you’re not just hiring an engineer. You’re securing a world-class solution that saves time, cost, and headaches—while delivering comfort and efficiency for decades to come.
LET'S Talk

Why Choose Kiwan Engineering Office

I'm not here to be another contractor on your list. I'm here to be a strategic partner in your success. Having worked on over 450 projects

  • Unmatched Experience: from Lebanon, to Saudi Arabia, and Germany. I’ve engineered systems across residential, commercial, and industrial projects.
  • Proven Results: Royal palaces, villas, metro stations, clinics, warehouses, and hotels.

  • Continuous Learning: Certified in advanced design, firefighting, electrical, and renewable energy systems

  • Future-Ready Design: Continuous training in BIM, Revit, AutoCAD MEP, Nova, HAP, PipeFlow, and sustainable energy systems, to ensure your project benefits from the latest technology.
  • Sustainable Engineering: energy-efficient, future-ready systems for long-term savings

top-tier software proficiency, and a deep understanding of mechanical systems, I bring excellence to every line drawn.

When you choose me, you’re not just hiring an engineer. You’re securing a world-class solution that saves time, cost, and headaches—while delivering comfort and efficiency for decades to come.

LET'S Talk

What You Get

Complete HVAC design package tailored to your project 

Deliverables

  • Full cooling load analysis (HAP) 
  • Unit selection (AHUs, FCUs, VRF systems, exhaust & smoke fans) 
  • Revit/Nova 3D models for BIM integration 
  • Duct system design & static pressure calculations 
  • Energy-efficient system recommendations 
  • Shop drawings & documentation ready for construction teams 

Deliverables

  • Full cooling load analysis (HAP) 
  • Unit selection (AHUs, FCUs, VRF systems, exhaust & smoke fans) 
  • Revit/Nova 3D models for BIM integration 
  • Duct system design & static pressure calculations 
  • Energy-efficient system recommendations 
  • Shop drawings & documentation ready for construction teams 

Looking for a partner who understands both the big picture and the smallest detail? 

Partner with Kiwan Engineering Office and let’s bring your project to life.

 Work With Ezzat

7+

Years Experience

100%

Client Satisfaction

500+

Completed Projects

What My Clients Say

Eng. Ezzat Kiwan exhibited exceptional expertise in HVAC systems, proactively identified critical design issues at an early stage, and successfully managed complete project lifecycles with the utmost professionalism. His contributions made him an invaluable asset to our team.
HASAK Company

demonstrated good leadership traits and his experience extends beyond the skills for which he was originally hired." - Eng. Ihab Awdeh, Head of Engineering
Saudi Technical Limited

Eng. Ezzat was an asset... He was able to adapt to changes in design and was the first to capture and highlight uprising critical design issues." - Eng. Mohammed Samanodi, General Manager
Cooling Funoon Co.

FAQ

What services do you offer?

I specialize in HVAC, Plumbing, Firefighting, and Electrical system design. My work includes shop drawings, load calculations, system coordination, and site supervision for residential, commercial, and government projects.

Where are you based, and do you work internationally?

I am currently based in Germany but serve clients worldwide through my online engineering office.

Do you also provide cost-effective solutions?

Absolutely. My approach includes optimizing designs for efficiency, selecting the right equipment, and reducing unnecessary costs without compromising quality.

What types of projects have you worked on?

I’ve designed systems for royal palaces, luxury villas, clinics, restaurants, warehouses, and even metro stations in Riyadh.

How do I know I can trust your work?

My past clients describe me as professional, reliable, and innovative. Cooling Funoon, for example, praised my ability to handle full project cycles—from load calculations to client meetings.

What’s the first step if I want to work with you?

Simply reach out through my contact page. We’ll discuss your project needs, timelines, and expectations before moving forward with a proposal.