Return Home

• Archived NoteBook: "It's About Time Clocks ..."

  Commentary, Daylight Doesn't Respond to Daylight Savings Time.
  April 4, 2006

• Archived NoteBook: "Basic Troubleshooting ..."

  Commentary, Start with the easy stuff first.
  August 8, 2005

• Archived NoteBook: "A Heating Rule of Thumb ..."

  Technology, Estimating the Size of a Furnace
  August 14, 2004

• Archived NoteBook: "Blowing Smoke ..."

  Technology, Troubleshooting   John explains different refrigeration cold control designs
  July 24, 2004

• Archived NoteBook: "It's Cold Inside ..."

  Technology, Grocery Stores Can Be Very Cool
  April 24, 2004

• Archived NoteBook: "Flame-Outs Happen..."

  Short Story, A cold boiler gets John out of a warm bed.
  February 16, 2004

• Archived NoteBook: "SEER's, EER's and Errors ..."

  Technology, The Trouble with the SEER Rating.
  May 31, 2003

• Archived NoteBook: "A New Direct Replacement for R-22"

  News, A more ozone friendly refigerant,
  August 28, 2002

• Archived NoteBook: "Happy Birthday HVAC?"

  Commentary, Air Conditioning Celebrates Its 100th with Mold,
  May 19, 2002

• Archived NoteBook: "Analog Logic!"

  Commentary, Pneumatic Control Benefits,
  March 17, 2002

• Archived NoteBook: "Rantings and Ravings: Why DDC ?"

  Humor, What is the "Direct" in "DDC"?,
  March 3, 2002

• Archived NoteBook: "Thermostats for Electricians"

  Operation of a Typical Analog Thermostat,
  January 29, 2002