Heating Abbreviations and Acronyms

1. HHFW
   High-Harmonictfast-Wave
2. HHV
   Higher Heat Value
3. HHV
   Highfheat Value
4. HHWP
   Heating Hot Water Pump
5. HHWR
   Heating Hot Water Return
6. HHWS
   Heating Hot Water Supply
7. HIA
   Hydronics Industry Alliance
8. HIU
   Heat Interface Units
9. HIU
   Heat Interface Unit
10. HIU
    Hydraulic Interface Unit
11. HPA
    Heat Pump Association
12. HPM
    Heating Plumbing Monthly
13. HPWH
    Heat Pump Water Heater
14. HPWHS
    Heat Pump Water Heaters
15. HR
    Heat Relay
16. HSPF
    Heat Seasonal Performance Factor
17. HSPF
    Heating System Performance Factor
18. HU
    Heat Unit
19. HVAC
    Heating, Ventilating, Air-Conditioning
20. HVAC
    Heating, Ventilating & Air Conditioning

Last updated: January 4, 2020 — Total entries: 239