Case study · Residential案例研究 · 住宅

Loyang View: a household bill, cut by 40%Loyang View:一张下降 40% 的家庭电费单

A private home in eastern Singapore retrofitted Therm-Aire on its existing air-conditioning — and watched the monthly utility bill fall by more than 40%.

新加坡东部一户私人住宅在既有空调基础上加装 Therm-Aire——月度电费账单随之下降超过 40%。

Therm-Aire outdoor units with solar thermal collectors on a residential property
The situation项目背景

A landed home where cooling led the bill一户有地住宅,空调是电费大头

Like most Singapore households, the largest single item on this home's utility bill was air-conditioning. The owner wanted the bill down without changing how the family lived — same rooms cooled, same hours, same comfort.

与绝大多数新加坡家庭一样,这户住宅电费单上最大的单项就是空调。业主希望降低账单,但不改变家人的生活方式——同样的房间、同样的时段、同样的舒适度。

The retrofit followed the standard Therm-Aire pattern: evacuated tube collectors installed at the outdoor units, the solar thermal stage tied into the refrigerant circuit, and the indoor units left untouched.

改造采用标准的 Therm-Aire 方式:在室外机侧安装真空管集热器,将太阳能热力环节接入制冷剂回路,室内机保持原样不动。

Monthly utility bill, before and after改造前后的月度电费账单
Owner-reported figures from SP utility bills业主提供的 SP 电费账单口径
Before retrofit改造前
100%
Conventional air-conditioning · baseline bill常规空调 · 基准账单
With Therm-Aire改造后
<60%
Therm-Aire hybrid system · over 40% lowerTherm-Aire 混合系统 · 下降超过 40%
More than 40% off the monthly bill月度账单下降超过 40%
Whole-bill comparison as reported by the owner; the saving includes the air-conditioning share of household consumption. 按业主报告的整单口径对比;节省额来自家庭用电中空调所占的部分。
The result项目结果

The bill did the talking账单自己会说话

No monitoring rig, no lab — just the household's own SP utility bills, month after month, running more than 40% below where they used to be.

没有监测台架,也没有实验室——只有这户人家自己的 SP 电费账单,月复一月,比过去低了 40% 以上。

With the Therm-Aire hybrid system, my monthly utility bill fell by more than 40%. 使用 Therm-Aire 混合系统后,我的月度电费下降了 40% 以上。 Mr Wong · Homeowner, Loyang ViewLoyang View 业主
What this means for your home对你的住宅意味着什么

Why this result transfers为什么这个结果可以复制

Nothing indoors changes室内一切不变

The retrofit happens at the outdoor unit. Rooms, indoor units and remote controls stay exactly as they were.

改造集中在室外机侧。房间、室内机与遥控器全部保持原样。

Daytime cooling gains most白天制冷获益最大

Households that cool during daylight hours — families at home, home offices — see the largest share of the saving.

在白天时段使用空调的家庭——居家人口、居家办公——获得的节能份额最大。

Verified on your own bill用你自己的账单核验

The measure of success is the same one this owner used: the utility bill, before against after.

成效的衡量标准与这位业主完全相同:改造前后的电费账单对比。