Presents 14 troubleshooting fact sheets taken from the HVAC Troubleshooting Guide for use by maintenance personnel performing investigations on incorrectly performing HVAC equipment. 

The fact sheets deal with: 1) too hot in winter, 2) too hot in summer, 3) too cold in winter, 4) too cold in summer, 5) stuffy or still air in winter, 6) stuffy or still air in summer, 7) draughts in winter, 8) draughts in summer, 9) odours, 10) HVAC noise, 11) dry eyes, throat or skin, 12) lethargy in winter, 13) lethargy in summer, 14) headaches. 

The accompanying HVAC Troubleshooting Guide is also available.