BTU Buddy Notebook
Johnson, Bill![BTU Buddy Notebook](https://support.digitalhusky.com/media/annotations/sorted/373/3736897/CHSBZCOP033736897.jpg)
The BTU Buddy Notebook is a collection of more than 50 unique service call scenarios conducted by an HVAC technician which describe real-life service scenarios related to troubleshooting. Many high quality images help to illustrate troubleshooting techniques and the equipment being serviced.