Variable refrigerant flow (VRF) systems represent a dynamic advancement in heating, ventilation and air conditioning, providing tailored temperature control through precise modulation of refrigerant ...

Optimizing any cooling plant for minimal energy consumption is a demanding science. In many cases, minimizing chiller plant energy consumption requires modifications to the plant design, including ...

Beyond the wheel, the most important mechanical equipment serving humanity is the centrifugal pump. Centrifugal pumps make modern quality of life possible. Turn on a faucet and a centrifugal turbine ...

Heat pumps are emerging as an important tool for helping to thwart climate change—not just in the South, but all over the country. They’re more energy-efficient than traditional heating and cooling ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a ...

Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...

Erin Gobler is a personal finance writer based in Madison, Wisconsin. She writes about topics including budgeting, student loans, credit, mortgages, investing and insurance. Her work has been ...

Heat pumps date back to the 1850s and are more energy efficient than furnaces or boilers. Image: Schon via Getty Images. Get the Popular Science daily newsletter💡 ...

A portable heat pump can both heat and cool a room, so you can replace an air conditioner and a space heater with a single unit. Portable heat pumps—sometimes marketed as "portable air ...