PHOENIX — Monsoon rains are great for dropping temperatures overnight, but their high humidity can cause big problems with air-conditioning units. Rain causes the dew point to spike, creating more ...

Temperatures are rising and we are depending more and more on the state's most appreciated appliance: the air conditioner. The first and last ones are the most important ones. If you can afford it, ...

Every summer — and spring and fall, in Florida — we face the eternal question: what temperature should I set my thermostat on? Florida and the world have been suffering through a sweltering summer ...