It's really easy to glance at the rating, scroll through the pictures, check the price and check out. If I was booking a hotel, I'd never have to think twice: I expect all my hotel comforts to be sitting and waiting there for me. But unfortunately, hotel comforts aren't standard in residential buildings.
Concern about the efficiency of air conditioning in very hot climates has been an obstacle to winning agreement on a phase-down of the powerful heat-trapping chemicals known as HFCs (hydrofluorocarbons). Now we have new test data on the performance of next-generation refrigerants in air conditioners commonly used in homes and buildings.