Our evaluations and opinions are not influenced by our advertising relationships, but we may earn a commission from our partners’ links. This content is created independently from TIME’s ...

Of the four smart units that I tested, the LG LP1419IVSM 10,000 BTU ... high heat conditions or large living spaces. “Energy-efficiency is by far the most important feature in a portable air ...

In a ductless heat pump’s cooling process, warm air from within the home enters the indoor unit and blows over ... Rather than mounted upon a wall, floor-standing ductless heat pumps are ...

We recommend LG’s air conditioning products if you want a high-quality window-mounted AC unit ... wall. Heat pumps: Heat pumps are available in the same configurations as ACs—mini-splits ...

and the High Efficiency MPPT Solar Charger is full of features like data logging, boasts a 97% efficiency over a range of 1 to 75 Watts, and can be used as a standalone unit or incorporated as a ...

Heat pumps usually cost more than air conditioners. A high-efficiency heat pump ... ductless mini-split systems still require some ductwork to transmit air from the outdoor unit to the indoor ...

Energy efficiency ... 8,500 Btu. A living room, family room, or open plan space of between 350 to 550 feet would be best served with a unit of between 9,800 and 12,500 Btu. The window air ...

The Midea MAW05M1WWT is a 5,000 BTU window air conditioner that ... like voice control and built-in WiFi. It is made for windows that can reach 15.56 inches high and have a width between 26. ...

Biomedical engineer Rachel Lance says British scientists submitted themselves to experiments that would be considered wildly unethical today in an effort to shore up the war effort.

The unit is available in three sizes, each with a higher BTU ... efficiency. This works effectively because, as we know, heat ...