The Energy Star-rated EZ98-DV and EZ111-DV (Energy Factor: 0.97) are high-efficiency, condensing, tankless water heaters. The EZ98-DV has a maximum input of 180,000 Btuh and a maximum flow rate of 9.8 gallons per minute (gpm), making it generally suitable for homes with up to three baths.
Every year, The NEWS introduces the latest cooling equipment available for the upcoming summer season in order to help contractors prepare for this busy period by doing the research that will help them to distinguish between brands.
Bob and Tim are at lunch after tuning up an oil burner. When they arrived at the job the home was cold and the oil burner was burning erratically if burning at all. They gave the system a tune-up, started the furnace, and decided to take a lunch break while the furnace heated the house. Then they were going back to do a combustion check on the furnace to make sure that it was set up for the best combustion.
These high-efficiency systems feature inverter-driven variable capacity technology, which dynamically adjusts capacity and airflow, unlike systems that simply turn on or off. Air circulates more precisely and quietly, maximizing comfort while reducing energy consumption.