Zero Energy Certified

HADERA KINDERGARTENS

VITAL STATS
Certification StatusZero Energy Certified
Version of LBC3.1
LocationHadera, Israel
TypologyBuilding
Project Area9,849 SF
Owner OccupiedYes
Occupancy TypeEducational
Number of Occupants35
PROJECT TEAM
OwnerHadera Development Company
Project ManagerHadera Development Company
ArchitectHeidi Arad
Mechanical EngineerAvner Vishkin
Electrical EngineerBar-Akiva Engineering
Interior DesignHeidi Arad
StructuralGalinsky
Key SubcontractorsAlfa Sustainable Projects, Ltd
PROJECT LEADERSHIP AND STORY OF PROJECT

This project was created with the main purpose of raising awareness among the kindergarteners about sustainability, in recognition of the importance of introducing concepts at an early age. Parents, teachers and students are experiencing sustainability in their daily routines.

As part of the project handoff, teachers were trained to use the building energy management system, and to take advantage of all the sustainability features included in the design. They are using the kindergarten as a learning tool, having the children build models of PV roofs and create art projects about sustainability.

The kindergartners are also getting direct benefits from their classroom’s sustainable design. According to their teacher, the children are enjoying the building’s comfortable temperatures, and the classrooms have gone for weeks without active heating or cooling. “There is a pleasant atmosphere, the sunlight warms the floor, the insulated walls keep out the cold.”

All involved hope that the kindergarten will inspire more net zero energy buildings in the coming years.

BUILDING SYSTEMS INFORMATION
Roof R value16.7
Wall R value and section specification8.35, wall insulation extends 5 feet (1.5m) below grade
WindowsDouble-paned, low-e coating
ENERGY SYSTEMS NARRATIVE

Located in Hadera, the project is the first Kindergarten in Israel to operate at net zero energy. Passive solar design, external shading, an insulated facade and natural ventilation all contribute to reduced energy consumption. In addition, the new buildings ensure a healthy space for children through control of the indoor air, testing of outdoor air, and use of non-toxic materials.

While a typical building in Israel would have no wall insulation, not only is it present in the kindergarten, it extends 5 below grade to buffer the floor from the greater temperature swings experienced at shallower ground levels.

The kindergarten’s electrical power is supplied via rooftop solar PV panels, and high efficacy LED fixtures help reduce the overall installed lighting power density. The lighting fixtures in the main area are connected to a daylight sensor with 2-step control. Hot water is also generated through solar heating.

Fresh air is provided by a dedicated outdoor air system and high efficiency inverter HVAC system. An innovative solar chimney allows natural ventilation into the building, employing automated controls that allow fresh air to circulate when temperature and humidity levels are appropriate.

ZERO ENERGY PERFORMANCE
Actual energy use during performance period14,591 kWh
Actual energy produced during performance period19,046 kWh
Net Energy Use-4,455 kWh
EUI20 kBTU/sf/yr
SOLAR ELECTRIC (PV) PANEL
PV Array Size (kW)11.52
PV Output Per Capacity Nameplate (W)320
Panel Quantity36
PV Type and BrandJAM6-72-320/SI JA Solar Holdings Co., LTD
PV Inverter Quantity1
PV LocationRooftop
PV Ownership DetailsBuilding Owner
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