Energy Conservation in Office Environment

Hudedmani, Mallikarjun G; Kataraki, Raju; Jocy, Reshma; Vaddatti, Sumantkumar; Maliyavar, Madhura

doi:10.29294/ijase.5.1.2018.833-839

Cited by 2 publications

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“…Namun, penyediaan ruangan yang nyaman menjadi hal mutlak, yang mana sering kali berkaitan dengan pengondisian ruang lingkungan kerja menggunakan energi. Dalam kaitannya dengan lingkungan kerja, kenyamanan ini menjadi salah satu aspek penopang produktivitas penggunanya (Hudedmani et al, 2018) (Annisa, 2021).…”

Section: Pendahuluanunclassified

Optimization of Energy Efficiency Performance and Space Comfort in Coworking Space Building, Case Study: Relationship of Coworking Space and Cafe

Mulyani,

Octarino

2023

LJA

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After the COVID-19 pandemic, people began to embrace flexible working and coworking space became one of the comfortable work spaces. The culture of "work from anywhere" has begun to be commonly applied in various business sectors. The comfort of coworking space has an impact on the need for high energy consumption. This study aims to evaluate the performance of coworking space buildings in terms of energy efficiency and user comfort. The method used is a quantitative method with mathematical calculation analysis and also software simulation. The research focuses on optimizing energy efficiency through the performance of the building envelope, then the parameters used are OTTV to show the level of heat conduction, IKE as the overall level of energy consumption, and spatial comfort in the visual aspect. The results of the existing evaluation show a fairly high energy consumption of 230 kWh / m2 / year. Several design strategies in an effort to improve the energy efficiency performance of buildings include modifying building envelope materials with low thermal conductivity (u-value) characteristics, as well as providing alternative shading designs for buildings to be able to reduce incoming heat more optimally. Simulations show that the recommended design strategy can reduce OTTV value by up to 50% and IKE value to 173 kWh/m2/year. Thus, energy efficiency strategies with low u-value materials (reflective exterior layers, low-e glass with air gaps and green roofs) for building envelopes and passive design through shading device design interventions are considered effective in supporting the needs of coworking space comfort standards.

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Section: Pendahuluanunclassified

Optimization of Energy Efficiency Performance and Space Comfort in Coworking Space Building, Case Study: Relationship of Coworking Space and Cafe

Mulyani,

Octarino

2023

LJA

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“…Sistem penghawaan buatan (AC) mengkonsumsi energi hingga 70% dari total energi Gedung diikuti oleh sistem pencahayaan sebesar 10-25%, sehingga perlu adanya optimasi sistem penghawaan pada bangunan sebagai langkah konservasi energi (Sandra Loekita, 2006). Dari aspek operasional, efisiensi energi tentu akan sangat memberikan dampak positif terhadap pengelolaan bangunan, selain itu peningkatan kenyamanan lingkungan kerja juga diharapkan dapat meningkatkan produktivitas penghuninya (Hudedmani et al, 2018). Gedung Agape sendiri menggunakan sistem AC split untuk penghawaan ruangannya, sehingga dinilai dapat lebih efisien digunakan sesuai dengan kebutuhan dari masing-masing penghuni ruang.…”

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Evaluasi Kinerja Selubung Bangunan Gedung Agape Universitas Kristen Duta Wacana Yogyakarta

Octarino

Feriadi

2021

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Di tengah fenomena perubahan iklim dan pemanasan global, arsitektur sudah semestinya turut berperan dalam menjaga lingkungan dengan menghadirkan desain-desain bangunan yang memiliki performa tinggi, yang dapat memberikan kenyamanan optimal bagi penghuninya tanpa mengorbankan kualitas lingkungan di sekitarnya. Karakter iklim Indonesia yang merupakan iklim tropis menyebabkan tingginya temperatur lingkungan, sehingga berpotensi menimbulkan ketidaknyamanan bagi penghuni bangunan. Upaya dalam meningkatkan kenyamanan tentu akan membutuhkan konsumsi energi yang tinggi, sehingga perlu dipikirkan strategi konservasi energi agar bangunan tidak berdampak negatif terhadap lingkungan. Sebagai bagian dari kompleks Universitas Kristen Duta Wacana Yogyakarta, Gedung Agape adalah gedung dengan fungsi perkantoran yang menggunakan sistem pendingin udara. Setelah digunakan selama 12 tahun, Gedung ini memiliki evaluasi kenyamanan termal yang cukup baik oleh para penghuninya. Namun demikian, diyakini Gedung Agape masih memiliki potensi penghematan energi yang cukup besar melalui kinerja selubung bangunannya. Studi ini bertujuan untuk mengevaluasi bagaimana kinerja selubung bangunan Gedung Agape UKDW dalam fungsinya mereduksi panas dari lingkungan serta menentukan strategi apa saja yang dapat diterapkan untuk menekan nilai Overall Thermal Transfer Value (OTTV) dalam upaya mendukung konservasi energi pada bangunan. Standar Nasional Indonesia tentang konservasi energi Gedung menetapkan nilai OTTV maksimal sebesar 35 W/m2. Berdasarkan hasil perhitungan dengan worksheet, didapatkan nilai OTTV Gedung Agape sebesar 49,06 35 W/m2, cukup jauh dari standar SNI. Beberapa strategi untuk menekan nilai OTTV dicoba disimulasikan melalui modifikasi material bukaan dan penyesuaian window to wall ratio, sehingga pada akhirnya dapat mencapai 34,86 W/m2.EVALUATION OF BUILDING ENVELOPE PERFORMANCE ON AGAPE BUILDING UNIVERSITAS KRISTEN DUTA WACANA YOGYAKARTA In response to the worldwide issue about climate change and global warming, architecture should play a role to protecting the environment by presenting high performance building designs. This kind of building can provide optimal comfort for its occupants without sacrificing the quality of the surrounding environment. The character of Indonesia's tropical climate, causes high environmental temperatures, thus potentially causing discomfort for building occupants. The effort to increase comfort will certainly require high energy consumption, so it is necessary to consider about energy conservation strategies to minimize negative impact on the environment. As a part of Universitas Kristen Duta Wacana area, Agape is an office building that uses air conditioning system. After being used for 12 years, this building has a satisfactory evaluation about the thermal comfort from the occupants. However, it is believed that the building still has considerable potential of energy saving through the performance of the building envelope. This study aims to evaluate performance of Agape Building’s envelope in term of heat transfer reduction and determine strategies that can be applied to reduce the Overall Thermal Transfer Value (OTTV) value to support energy conservation. Indonesian National Standards (SNI) about building’s energy conservation determine a maximum OTTV value of 35 W/m2. Based on calculation, the OTTV value of Agape Building was obtained 49,06 W/m2, has not been able to reach the SNI standard. Several strategies to reduce the OTTV value have been simulated by modifying the opening material and adjusting the window to wall ratio, so that in the end the OTTV value could meet the standards, 34,86 W/m2.

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Energy Conservation in Office Environment

Cited by 2 publications

References 0 publications

Optimization of Energy Efficiency Performance and Space Comfort in Coworking Space Building, Case Study: Relationship of Coworking Space and Cafe

Optimization of Energy Efficiency Performance and Space Comfort in Coworking Space Building, Case Study: Relationship of Coworking Space and Cafe

Evaluasi Kinerja Selubung Bangunan Gedung Agape Universitas Kristen Duta Wacana Yogyakarta

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