waterheaterspecs

Solar · tank backup

Heliodyne solar systems

The Heliodyne solar systems line holds three certified rating sets of solar water heating systems, 3 model numbers sold as Heliodyne, listed by Heliodyne. Solar UEF values run from 3.3 to 10.7 and collector areas from 27 sq ft to 40.3 sq ft.

Certified as of October 27, 2026 · EPA ENERGY STAR data, public domain · Compare in the Heater finder

Size by size

Certified values of Heliodyne solar systems
Rating setSolar UEFCollector, sq ftCollector typeSolar tank, galBackupSystem
Heliodyne HF 1 406 G 40 AC S E1 model number3.327Flat Plate40tankDirect Forced Circulation
Heliodyne HF 1 408 G 60 AC S E1 model number10.732.2Flat Plate60tankDirect Forced Circulation
Heliodyne HF 1 410 G 80 AC S E1 model number6.640.3Flat Plate80tankDirect Forced Circulation

Solar UEF against collector area, these systems among all solar listings

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Solar UEF

Solar UEF against collector area, these systems among all solar listings051015202520304050607080Collector area, sq ftAET B-DBS-G2-80-64AET DX-120-64AET DX-80-40AET FF-80-42Dimas 300-3 ELGREENoneTEC Double EGREENoneTEC Double GTGREENoneTEC HEGREENoneTEC L-ExtraGREENoneTEC L-GTMC Green B80-20Rheem RS120-64BP-TGRheem RS80-40BPRheem RS80-40BP-TGRheem RS80-48BPSammler A169Sammler US200-25Sammler US200-42Solahart ASE 302JSunEarth C2-26T-40-TLGSunEarth C2-40T-50-TLGTychon FPS/HP 300Universal Solar Products C80-18Universal Solar Products D120-18Heliodyne HF 1 406 G 40 AC S EHeliodyne HF 1 408 G 60 AC S EHeliodyne HF 1 410 G 80 AC S E
Solar UEF against collector area, these systems among all solar listings051015202520406080Collector area, sq ftAET B-DBS-G2-80-64AET DX-120-64AET DX-80-40AET FF-80-42Dimas 300-3 ELGREENoneTEC Double EGREENoneTEC Double GTGREENoneTEC HEGREENoneTEC L-ExtraGREENoneTEC L-GTMC Green B80-20Rheem RS120-64BP-TGRheem RS80-40BPRheem RS80-40BP-TGRheem RS80-48BPSammler A169Sammler US200-25Sammler US200-42Solahart ASE 302JSunEarth C2-26T-40-TLGSunEarth C2-40T-50-TLGTychon FPS/HP 300Universal Solar Products C80-18Universal Solar Products D120-18Heliodyne HF 1 406 G 40 AC S EHeliodyne HF 1 408 G 60 AC S EHeliodyne HF 1 410 G 80 AC S E
Each circle is one system. Solar UEF values are shown as listed in the dataset.

Collector size among the solar listings

The median collector area of the 27 solar systems on the list is 40.6 sq ft. Solar UEF values are shown as listed and not ranked (see Test and data).

SystemCollector areaAmong the 27 solar systemsFreeze limitSRCC OG-300 number
Heliodyne HF 1 406 G 40 AC S E27 sq ft21st largest27 °F30004352
Heliodyne HF 1 408 G 60 AC S E32.2 sq ft17th largest27 °F30004351
Heliodyne HF 1 410 G 80 AC S E40.3 sq ft15th largest27 °F2001023B

Model numbers

The line covers 3 model numbers, all certified 2020-11-13.

Model numberBrandRating setModel nameFreeze limitCertified
HF 1 406 G 40 AC S EHeliodyneHF 1 406 G 40 AC S EHELIO-FLO27 °F2020-11-13
HF 1 408 G 60 AC S EHeliodyneHF 1 408 G 60 AC S EHELIO-FLO27 °F2020-11-13
HF 1 410 G 80 AC S EHeliodyneHF 1 410 G 80 AC S EHELIO-FLO27 °F2020-11-13

Nearest certified alternatives

Rating setCollector areaBackupSystem
GREENoneTEC L-Extracompared with Heliodyne HF 1 406 G 40 AC S E−1.3 sq fttankDirect ICS
Rheem RS80-40BPcompared with Heliodyne HF 1 406 G 40 AC S E−2.3 sq fttankIndirect Forced Circulation
Dimas 300-3 ELcompared with Heliodyne HF 1 406 G 40 AC S E+4.5 sq fttankDirect Thermosyphon
AET FF-80-42compared with Heliodyne HF 1 410 G 80 AC S E+2.7 sq fttankDirect Thermosyphon
Tychon FPS/HP 300compared with Heliodyne HF 1 410 G 80 AC S E+2.8 sq fttankDirect Thermosyphon

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