Vaughn Thermal Corp. is the ENERGY STAR partner of record for 23 certified model numbers in 9 rating sets, all heat-pump water heaters, under 4 brand names. Among the 6 high-draw heat-pump sets here, Reclaim Energy MP80F-RC has the highest UEF, 3.80.
First-hour rating against rated volume, this partner against the rest of the heat-pump list
Listed hereOther heat-pump sets
First-hour rating, gal
Each circle is one rating set; filled circles grow with the number of model numbers. Dashed lines mark first-hour output of 1× and 1.5× the rated volume.
Every rating set
Grouped by the DOE draw pattern each UEF was tested at (why).
Heat-pump rating sets by draw pattern
Rating set
Rated volume
First-hour rating
UEF
Energy
Refrigerant
Low cut-off
High draw pattern6 of the 58 high-draw heat-pump sets
Reclaim Energy MP80F-RCAlso listed as Vaughn ThermalShow 2 model numbers
Reclaim Energy MP80F-RC
Vaughn Thermal MP80F-RC
80 gal
98 gal
3.80
1,273 kWh/yr
R-744
−13 °F
Reclaim Energy MP120F-RCAlso listed as Vaughn ThermalShow 2 model numbers
Reclaim Energy MP120F-RC
Vaughn Thermal MP120F-RC
119 gal
121 gal
3.75
1,296 kWh/yr
R-744
−13 °F
Vaughn Thermal MP120FHPTShow 1 model number
Vaughn Thermal MP120FHPT
119 gal
115 gal
3.50
1,418 kWh/yr
R-134a
35 °F
Vaughn Thermal MP80FHPTShow 1 model number
Vaughn Thermal MP80FHPT
80 gal
86 gal
3.50
1,375 kWh/yr
R-134a
35 °F
Vaughn Thermal ME80HPTAlso listed as Hubbell, NoritzShow 4 model numbers
Hubbell ME80HPT
Noritz NHP80
Vaughn Thermal ME80HPT, ME80HPT-CN
74 gal
86 gal
3.48
1,424 kWh/yr
R-134a
35 °F
Vaughn Thermal ME120HPTAlso listed as Hubbell, NoritzShow 4 model numbers
Hubbell ME120HPT
Noritz NHP120
Vaughn Thermal ME120HPT, ME120HPT-CN
109 gal
105 gal
3.38
1,467 kWh/yr
R-134a
35 °F
Medium draw pattern3 of the 38 medium-draw heat-pump sets
Vaughn Thermal ME50HPTAlso listed as Hubbell, NoritzShow 4 model numbers
Hubbell ME50HPT
Noritz NHP50
Vaughn Thermal ME50HPT, ME50HPT-CN
47 gal
58 gal
3.46
938 kWh/yr
R-134a
35 °F
Vaughn Thermal ME65HPTAlso listed as Hubbell, NoritzShow 4 model numbers
Hubbell ME65HPT
Noritz NHP65
Vaughn Thermal ME65HPT, ME65HPT-CN
57 gal
70 gal
3.34
974 kWh/yr
R-134a
35 °F
Vaughn Thermal MP55FHPTShow 1 model number
Vaughn Thermal MP55FHPT
55 gal
62 gal
3.30
982 kWh/yr
R-134a
35 °F
One rating, three brand names
4
model numbers here share every certified value of Vaughn Thermal ME80HPT: 74 gal rated, 86 gal first hour, UEF 3.48.
The listed lower cut-off is the air temperature below which the compressor stops and backup heat takes over. Of the 9 sets here, 9 report a single value; the most common is 35 °F (7 sets) and the lowest −13 °F.
One dot per rating set; stacks taller than eight are drawn as a bar with the count.
Refrigerants
R-134a 19
R-744 (CO2) 4
Counted by model number, 23 with a listed refrigerant.
Brand names under this partner
Model numbers per brand and type, counted only where Vaughn Thermal Corp. is the partner of record.