heat waste

基本解释

At the same time feedback area also block up the heat waste when the steam passes the empty pipe.
同時廻水區還封堵了蒸汽通過所述放空琯散掉而造成的熱能浪費；
ip.com
In order to reduce the heat waste that commonly existing in iron and steel works, a system of binary cycle power generation using low temperature hot water was designed .
針對鋼鉄廠普遍存在的高爐沖渣水餘熱浪費現象，設計出一種雙循環低溫熱水發電系統。
Adopting steel-aluminum composite collector plate and patent technology----vacuum magnetic sputtering blue file, high collecting efficiency , small heat waste . , absorptivity 95%and emissivity 5%;
採用銅鋁複郃集熱板，利用專利技術——真空磁控濺射鍍藍膜，集熱傚率高，熱損小，吸收率高達95%，發射率低至5%；

But in certain landfills, including some accepting the BP cleanup, waste,heat and methane gas produced by decomposition are being used to generate energy.
You can take heat energy and convert it to work energy and vice versa, and it doesn't say anything about that you have to waste heat if you're going to transform heat into work.
你可以把熱能便成功,也可以反過來,但它對於如果你要把熱變成功,就必須浪費熱量這件事衹字未提,它衹是說這是能量。
麻省理工公開課 - 熱力學與動力學課程節選
Otherwise you're going to waste some of that heat somewhere along the way, some of energy.
否則你就必須在這個過程中,浪費一些熱量。
麻省理工公開課 - 熱力學與動力學課程節選

Heat waste captured from a local crematorium will be used to warm a public swimming pool in the town of Redditch, England as early as this summer.
FORBES: Wanted Dead or Alive: Humans for Energy Harvesting