R.J. ยท Richard J.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Medium and High Efficiency Gas Furnaces | 978-1-930044-09-8 (1-930044-09-7) | 2002 |
| Troubleshooting & Servicing Heat Pump Systems | 978-1-930044-10-4 (1-930044-10-0) | 2002 |
| Troubleshooting and Servicing HVAC&R Electrical Systems | 978-1-930044-08-1 (1-930044-08-9) | 2001 |