Building Energy Calculator

Quantify the impact of solar heat control glazing on your building's energy consumption, CO&sub2; footprint, and operational costs.

Based on validated TNO/BMC simulations across 10 cities worldwide. Laminated DGU and laminated DGU + low-e configurations.

選擇地點

玻璃配置

ATO 中間層

ATO + Low-e 組合

為何較低的 SHGC 有時更省能?

每個 ATO 步驟同時發揮兩項作用:阻擋近紅外線熱量(較低 SHGC → 減少冷卻需求)並且它會降低可見光透射率(Tvis 越低 → 人工照明需求越高)。

在冬季寒冷的溫帶氣候地區(伊斯坦堡、馬德里),較低的 SHGC 也意味著冬季可利用的免費太陽熱能減少,從而提高暖氣負荷。最低 kWh 配置取決於冷氣節省、暖氣費用與照明費用三者的平衡點——通常並非在 SHGC 最低時。

請務必以結果面板所示的最低總 kWh 為優化目標,而非最低 SHGC 數值。若有 Low-e 選項,請加入比較——其 U 值降幅(>2 倍)通常足以彌補冬季暖氣損耗。

建築參數

80
1100
463m²
100 m²1,500 m²

玻璃性能 — Kriya 1.5w% + Low-e

可見光透射率(Tvis)28%
Solar heat gain coefficient(SHGC)0.21
U值1.1 W/m²K
低輻射(Low-e)鍍膜是(SN68)
ATO濃度1.5w%

節能減耗

47.8%

在新加坡使用Kriya 1.5w% + Low-e,每年可減少最多47.8%的能源消耗

年度CO₂減排量

1,706Mt

每年CO₂當量

年度節省費用

€564,961

每度電 $0.18(新加坡)

年度能源消耗 — 80 層樓建築

標準 DGU(無隔熱功能)7,138,640 kWh
使用 Kriya 1.5w% + Low-e3,727,040 kWh
3,411,600 kWh每年節省

新加坡 能源概況

電價

$0.18

每 kWh

CO₂ 排放強度

500

gCO₂/kWh

玻璃總面積

37,040

m²

1.

本結果基於 TNO/BMC 獨立能耗模擬,採用標準化建築模型(1 層、5 間房、全玻璃幕牆,15.2 x 30.5 m)。多層樓結果由已驗證的單層資料線性縮放推算。

2.

實際性能取決於建築朝向、使用模式、HVAC 系統效率及當地氣候條件。所示結果僅供參考,不應取代針對特定建築的能耗評估。

3.

CO₂ 減排量與成本節省依各地電價及電網排放係數計算。幣別換算為近似值。

Simulation methodology

Building model

Energy simulations were independently performed by TNO/BMC (Netherlands Organisation for Applied Scientific Research / Building Model Consultants) using a standardised building model.

  • •1 floor, 5 rooms (15.2 × 30.5 m)
  • •All-glass facade, 2.4 m height
  • •Heating trigger: ≤ 21 °C / Cooling trigger: ≥ 24 °C
  • •Glass: laminated DGU (7.26/13/3 mm) and laminated DGU + low-e

Scaling approach

The calculator scales validated single-floor simulation results linearly by the number of floors and glass area. The reference impact model uses an 80-floor building with 37,088 m² total glass area (approximately 463 m² per floor).

Local factors

CO&sub2; reductions are calculated using location-specific grid emission factors. Cost savings use local electricity prices. Both factors are based on data from the original TNO/BMC study and may differ from current market conditions.

See also

Automotive Thermal Management Calculator

Calculation Model 887 — quantify the impact of ATO glazing on EV range, cabin temperature, and fleet CO&sub2; penalties.

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