Replacing or buying a new central air conditioning system can ... and one to four or more indoor blower units, called air handlers, mounted high on the wall, that distribute air.

This is different to a central AC unit which has interior and external wall-mounted units. Josh Mitchell, HVAC technician at ...

Trane Technologies on Wednesday beat Wall Street estimates for fourth-quarter revenue and profit, helped by rising demand for heating and air-conditioning for commercial buildings.

In our portable air conditioner tests, we measure how long it takes a unit to lower the temperature ... he's also written for The New York Times Magazine, The Wall Street Journal, and Rolling ...