Read the instructions and wiring diagram that came with your new thermostat, and keep them handy throughout the next steps. Using a small screwdriver, remove the wires from the terminal block. Make ...

Setting your AC to the lowest temperature and adjusting the fan speed makes the system more efficient and can actually save ...

You might see an EER (Energy Efficiency Ratio) number for your portable air conditioner, which measures the cooling ...

If you’re planning to design a compact high-rise or refurbish an older building, Hitachi offers an innovative cooling ...

Our home experts weigh in on the right temperature setting for cooling and heating season, plus tips for lowering energy costs throughout the year.

The GOP's "big, beautiful bill" would offer $12.5 billion to overhaul the air traffic control system. Crash victims' families call it "a down payment only." ...

Low-air-resistance MERV 13 filters provide great air quality without straining HVAC equipment.

Airline giants rally behind Trump admin's 'critical' plan to overhaul outdated air traffic systems Transportation Secretary Duffy pushes for $12.5B funding as CEOs compare current technology to ...

10 best portable air conditioners to cool your home, tried and tested Move one of these portable ACs between rooms to circulate an icy breeze ...

The short answer is yes, they do need a hose to vent the hot air from inside, outside. If there is no hose, the unit is more ...

Discover the best portable air conditioners to keep you cool. We expertly review ACs from AEG, Meaco, Electriq and more brands to help you buy the best, and also explain the type and size you need for ...

I consulted cooling experts on how to shop for a new air conditioner, and share the models that keep our homes cool.