「英中对照」Envelo智能方案未更换HVAC 助伦敦3 Pancras Square验证区域通风能耗降31%并改善空气质量

An already energy-efficient London office building has cut ventilation energy use by 31% using intelligent software and IoT sensors, without replacing or upgrading its existing heating, ventilation and air conditioning (HVAC) infrastructure.伦敦一座本已节能的办公楼通过智能软件和物联网传感器将通风能耗降低了31%，且无需更换或升级其现有的供暖、通风与空调（HVAC）基础设施。

3 Pancras Square (3PS), a 10-storey commercial office building on London’s King’s Cross Estate and home to Havas UK, already had 70% heat recovery and CO₂-based ventilation optimisation in place.3 Pancras Square（3PS）是位于伦敦King’s Cross Estate的一栋10层商业办公楼，也是Havas UK的所在地，楼内已配备70%热回收和基于CO₂的通风优化系统。

With few obvious efficiency gains left to find, Havas worked with building technology company Envelo to explore whether smarter control of the existing ventilation system could deliver further savings while maintaining a healthy and comfortable working environment.在几乎没有明显能效提升空间的情况下，Havas与建筑技术公司Envelo合作，探索对现有通风系统进行更智能的控制，能否在保持健康舒适工作环境的同时进一步节约能源。

Independent analysis by engineering consultancy Hoare Lea found that Envelo’s AUTO platform reduced ventilation energy use by 31% across the independently validated portion of the building. The project achieved a 13-month payback, while air quality was maintained and improved across several measured indicators.工程咨询公司Hoare Lea的独立分析发现，Envelo的AUTO平台在该建筑经过独立验证的区域内将通风能耗降低了31%。项目在13个月内收回投资，同时空气质量得以维持，并且多项测量指标有所改善。

Based on whole-building estimates using the same methodology, Envelo is expected to deliver annual energy cost savings of £46,000, a net annual return of £23,000 after costs and a 97% annual return on investment from year two onwards.根据采用相同方法进行的全楼估算，Envelo预计每年可节省46,000英镑能源成本，扣除成本后每年净回报为23,000英镑，从第二年起年投资回报率为97%。

The project is also expected to save 31 tCO₂e a year, equivalent to a sustained 5.8% reduction in Havas UK&I’s total Scope 2 carbon emissions.该项目预计每年还可节省31 tCO₂e，相当于Havas UK&I的Scope 2总碳排放量持续减少5.8%。