The EER or Energy Efficiency Ratio measures the cooling efficiency of an air conditioner or HVAC system, determined by comparing the energy output to the energy input of a unit. This rating is ...

Q: My room temperatures don’t stay very even and my old central air conditioner is getting noisier each year. What types of ...

When breaking down your home budget, you may wonder how much it costs to run AC based on hourly use, type of unit and more. We’ll break it all down.

The best smart air conditioners fit in your window and can be controlled ... Energy Efficiency Ratio: 14.7. ... You also want to look for units with a high energy-to-efficiency ratio (EER) ...