Get a firsthand look at how a Pennsylvania home transformed its energy costs by making the switch to a heat pump. Faith Foushee is a CNET contributor and a former writer for SaveOnEnergy.com, covering ...

With global warming becoming an urgent issue, heating our homes efficiently -- and sustainably -- has taken center stage. As winters become more unpredictable (and unexpectedly harsh), finding ...

Air recirculation in ventilation systems is essentially the mixing of a certain amount of exhaust air into the supply air. This process provides a reduction in energy consumption when heating fresh ...