Baabda, Lebanon
Yarze 1674
Yarze 1674 is a residential development of four buildings with apartments of different sizes. It was among the first buildings in Lebanon to achieve the BREEAM certification with a Very Good rating in 2018. It includes energy-efficient features such as LED lighting for internal and external areas and energy-efficient lifts. Solar water heaters are used on the roof to benefit from the sunny Lebanese climate. Split air conditioners with 0 ODP refrigerants are used for cooling, and low NOx gas boilers are used for heating.
Project info
- Construction phase
- New construction
- Building type
- Multi Family House (MFH)
- Detailed building type
- Multi Family House / Apartment block - Large (> 1000m²) - attached
- Net floor area
- 5880 m2
- Stories
- 4 stories
- Construction type
- Concrete
- Original construction year of the building
- 2017
- Project contact
- Ghassan Hajjar
- Contact email address
- ghassan.hajjar@wanadoo.fr
Project team
- Developer(s)/owner(s)
- Ghassan Hajjar
- Architect(s)
- Samir Sarrouf
- Energy efficiency consultant(s)
- EcoConsulting
- HVAC consultant(s)
- Ahmad Fayek
- Building services
- Ahmad Fayek
Building Rating and Certifications systems
- Rating and certifications systems
- BREEAM
Building Envelope
External walls
- Description of construction
- Double wall with 5cm EPS insulation
- U-Value
- 0.52 W/(m²*K)
Roof
- Roof type
- Flat roof
- Description of construction
- Concrete slab covered with 10cm EPS insulation and ceramic tiles
- U-Value
- 0.35 W/(m²*K)
Openings and windows
- Glazing type
- Double glazed
- U-Value glass
- 4.6 W/(m²*K)
- G-Value glass
- 1.2
- Frame material / description
- Plastic frame with metal spacer
- U-Value frame
- 4 W/(m²*K)
- Overall u-value window
- 4.46 W/(m²*K)
- Description of construction
- Low E double glazing 4, 12, 4
Basement floor
- Description of construction
- NA
Technical Building Systems
Ventilation system
- Type of ventilation
- Free ventilation (windows)
Space cooling system
- Primary space cooling system
- Mounted single-split or window air conditioner│Usually a visible smaller system mounted outside the wall or above the window just supplying one room
- Description
- DX split unit
Space heating system
- Primary Space heating system
- Gas condensing
Water heater system
- Primary water heater system
- Solar Thermal collector on the roof
- Description
- With backup from gas boilers
Lighting system
- Primary lighting system
- LED (Light emitting diode lamps)
- Efficiency
- 100
Final Energy Demand
- Energy carrier (1)
- Electricity
- Energy carrier (2)
- Gas a
- Annual heating demand
- 2.57 kWh/(m²*a)
- Annual cooling demand
- 14.87 kWh/(m²*a)
- Annual lighting demand
- 22.16 kWh/(m²*a)
- Annual hot water demand
- 14.71 kWh/(m²*a)
- Total specific final energy demand
- 75.6 kWh/(m²*a)
Financial Aspects
- Financing sources
- Own + loan
- Financing/funding institution
- NEEREA
