| 項目 |
英語 |
| HA | home automation |
| HACCP | Hazard Analysis Critical Control Points |
| HASP | Heating、Air-conditioning and Sanitary Engineering Program |
| HASS | Heating Air-conditioning and Sanitary Standards |
| HCFC | hydro-chloro-fluoro-carbon |
| HDD | hard disk drive |
| HDTV | high definition television |
| HEPAフィルタ | high efficiency particulate air filter |
| HEX | heat exchanger |
| HFC | hydro-fluoro-carbon |
| HFC227ea | heptafluoro propane |
| HFC23 | trifluoro methane |
| Hf蛍光ランプ | high frequency fluorescent lamp |
| HIDランプ | highintensity discharge lamp |
| HIV電線 | heat-resistant PVC insulated wire |
| HP | heat pump |
| HPケーブル | heat-resistant cable |
| HWL | high water level |
| H型グリル | H type grille |
| H形照明器具 | twin-lamp batten |
| H種乾式変圧器 | class H insulation dry type transformer |
| H種絶縁 | class H insulation |