The article outlines sizing, efficiency ratings, and installation factors that affect comfort and long-term energy costs.

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...

Conserve energy and cut costs with one of these editor-approved models.

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 ...

Split air conditioners with heat-pump systems deliver both cooling and heating by reversing the refrigerant cycle. Models from LG, Haier, Panasonic, and Godrej combine inverter compressors, sensors, ...

Predictive control techniques, particularly model predictive control (MPC), are revolutionising the management of heating, ventilation and air conditioning (HVAC) systems in modern buildings. By ...

Imagine two identical rental flats on the same – Energy-Efficient Heating and Cooling Upgrades That Increase Rental Property Value ...