The Luxaire Acclimate Variable Capacity Residential Systems from Johnson Controls Inc. are high-efficiency residential systems with built-in advanced charge monitoring. This quick and accurate means of measuring refrigerant charge saves contractors time.
A few months ago, I wrote a Duct Dynasty article on the ideal duct system. The most frequent comments and questions I received about this article were regarding branch takeoffs. So, I thought it would be fun to take a deeper look at branch duct takeoffs and how to overcome some of the most common problems associated with them.
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.
The J-IIS variable refrigerant flow (VRF) technology is designed for smaller residential, multi-housing, and light commercial uses with equipment available in 3- and 4-ton sizes.
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.
At the 2017 AHR Expo in Las Vegas, several manufacturers showed off VR capabilities in their booths and explained how the technology is now being used for
Before I allow a tool into my work, I do a lot of online research. Then, I go for rigorous hands-on experience at trade shows, tool jamborees, or manufacturer