Bqatouta, Lebanon

Breidi Wooden House

This project is a new single wood frame house located in Baqtouta, Kesrwan area. In addition to other energy efficiency measures, the house is essentially made from wood combined with insulation material to reduce energy consumption.

Project info

Construction phase
New construction
Building type
Single Family House (SFH)
Detailed building type
Single Family House (SFH) - detached
Net floor area
140 m2
2 stories
Construction type
Wood Frame
Original construction year of the building
Project contact
Milad Breidy
Contact email address

Project team

Milad Breidy
Energy efficiency consultant(s)
Other project team partners
Phoenix Energy

Building Rating and Certifications systems

Rating and certifications systems
Not applicable

Building Envelope

External walls

Description of construction
17 cm wood colomuns - 16 cm thick wood fiber insulation - 5 cm technical void - 2 cm gypsum board
0.251 W/(m²*K)


Roof type
Double Pitch Roof
Description of construction
red pine - 10 cm thick wood fiber insulation - 2.5 ventilation void - 2.5 wood slab
0.29 W/(m²*K)

Openings and windows

Glazing type
Double glazed
U-Value glass
2.5 W/(m²*K)
G-Value glass
Frame material / description
U-Value frame
2.5 W/(m²*K)
Overall u-value window
2.134 W/(m²*K)
Description of construction
Double glazed windows without thermal breaker

Basement floor

Description of construction
30 cm heavy weight concrete
4.05 W/(m²*K)

Additional thermal insulation materials

Manufacturer(s) /products
Doerken - Chronospan - knauf -Etiver

Technical Building Systems

Space heating system

Primary Space heating system
Heat Pump (air-water)

Water heater system

Primary water heater system
Combi system (system provides space heat & hot water)
A heat pump with a 260 litre storage tank will be installed. The heat pump will supply hot water to the wooden house for eight months of the year. During winter back-up energy will be provided by an additional heat exchanger connected to the boiler.
Manufacturer(s) / products
Mizar 260 HS

Lighting system

Primary lighting system
LED (Light emitting diode lamps)

Final Energy Demand

Energy carrier (1)
Energy carrier (2)
Annual heating demand
19.9 kWh/(m²*a)
Annual lighting demand
1.92 kWh/(m²*a)
Annual hot water demand
5.86 kWh/(m²*a)
Total specific final energy demand
35.43 kWh/(m²*a)

Financial Aspects

Estimated costs of energy efficiency and renewable energy measures
164000 EUR
Financing sources
Financing/funding institution
IBL Bank