Q-I have been talking with contractors about a new air conditioner for my home. How can I calculate which unit will be most economical for me? A-Take a look at the rating of the air conditioners that ...

The inventory turnover ratio shows how efficiently a firm has used its inventory. This is important in a small business, where storing excess inventory can be an unwanted burden and cost. Calculate ...

The fuel efficiency of an electric car is measured in kilometers per kWh, which determines how far the car can travel on a single unit of electricity. How to calculate fuel-efficiency or mileage of ...

Q: Whenever I shop for an electric or gas appliance, I hear and see many efficiency claims. Determining which are legitimate gets confusing. How can I compare the A: Depending on the type of product ...

ABMA recently launched a Boiler Efficiency Calculator created in partnership with ABMA's Technical Committee and led by Technical Consultant Mike Valentino. The calculator assists boiler users and the ...

To understand the concept of high efficiency motors, you must first know how to calculate efficiency and the losses associated with the motor components themselves. This article reviews the basic ...