The efficiency differences between resistance-style electric heaters What does it really mean? Jim Wheeler November 28, 2016 One of the things many people don’t understand is there is little or no difference between the efficiencies of resistance-style electric heaters.Read More
The proper HVAC tools From the viewpoint of a supply-house owner or manager, tool sales are gravy since they are seldom priced as commodities. Jim Wheeler October 26, 2016 It should be the goal of your training and counter people to make your customers aware of any new tools that will make their jobs easier. Read More
Air-to-air system problems can be traced to poor or improper air distribution Why is understanding the air side so important? Jim Wheeler September 28, 2016 But in most of the places where I’ve worked and lived, the companies are nonunion and there are a lot of air-side components.Read More
Warranty compressors This is a lose-lose-lose-lose problem. Jim Wheeler August 31, 2016 Understand that the likelihood of a compressor failing in warranty is about the same as a teenager dying of natural causes.Read More
Higher HVAC efficiencies? It’s easy! How difficult is it to raise minimum efficiencies? It’s a lot easier than you may think. Jim Wheeler July 27, 2016 In May, I pointed out our industry is in the process of setting higher minimum cooling efficiency standards for the year 2024.Read More
Is retail and e-commerce an HVAC trend? Discussing the HVACR distribution system in China. Jim Wheeler June 24, 2016 A lost art form?Read More
HVAC industry and its products won’t be the same in the next 10 years Through my crystal ball into the HVAC industry. Jim Wheeler May 16, 2016 If you think the HVAC industry and the productswill look the same in the next 10 years then you’ve probably never traveled outside the borders of the continental United States. Read More
The new and the interesting at the AHR Expo HVAC products and highlights from the 2016 AHR Expo. Jim Wheeler April 21, 2016 In January I attended my 32nd consecutive AHR Expo.Read More
The advent of D/C motors Who was the greatest inventor of the 20th century? Jim Wheeler February 12, 2016 D/C motors are inherently more efficient. Read More
Birth of the VVT system The VVT concept and equipment originally were developed by a division of northern Florida Carrier distributor Florida Air-Conditioning Systems. Jim Wheeler January 22, 2016 VVT stands for variable volume and temperature. Read More