Dear Jim: Whenever I shop for an electric or gas appliance, I hear many "efficiency" claims. It gets confusing to determine which are legitimate. How can I compare the real efficiencies of products? - ...

Figure 1. With fuel supply dominating nearly 80% of operational costs, maintaining a high level of efficiency becomes the key to maximizing your annual savings. July 27, 2021 Boiler efficiency is ...

Home energy systems are fantastic add-ons to your house. In the long run, they can help you save on utility bills, but they're not perfect. That's because no system is 100% efficient. The reality of ...

Electric HVAC systems can help you keep your home comfortable using a fraction of the energy. We spoke to experts to find out just how efficient they are. Mike De Socio is a CNET contributor who ...