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Compare like with like. Aligned scores, specifications and local evidence within one scoring class or tier.

Market context

Global benchmark

Inverter

IQ8AC 208/240 V0.366 kW

Enphase | IQ8AC-72-M-US

Single-phaseMicroinverter208/240 V

66/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-09-01

Fanless Design25-Year WarrantyMicroinverter
Full scorecard
Inverter

SMILE-M-S Inverter8–9.999 kW

AlphaESS | SMILE-M8-S-INV, SMILE-M9-S-INV and SMILE-M10-S-INV; scored M10 at 9.999 kW local rating

Single-phaseHybridEssential-load backup4 MPPTs

66/ 100

Very good

Strong evidence coverage · 100%

Evidence checked 2026-09-01

Full scorecard
Side by side

Score profile

marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.

MeasureIQ8AC 208/240 VSMILE-M-S Inverter
Efficiency67 / 100 (better value on this row)52 / 100
Design & Flexibility50 / 10096 / 100
Thermal & Physical Resilience68 / 10070 / 100
Features & Integration62 / 10080 / 100
Safety & Compliance78 / 10070 / 100
Guarantee & Backbone86 / 10054 / 100
Energy Ecosystem52 / 10040 / 100

Efficiency

IQ8AC 208/240 V
67 / 100 (better value on this row)
SMILE-M-S Inverter
52 / 100

Design & Flexibility

IQ8AC 208/240 V
50 / 100
SMILE-M-S Inverter
96 / 100

Thermal & Physical Resilience

IQ8AC 208/240 V
68 / 100
SMILE-M-S Inverter
70 / 100

Features & Integration

IQ8AC 208/240 V
62 / 100
SMILE-M-S Inverter
80 / 100

Safety & Compliance

IQ8AC 208/240 V
78 / 100
SMILE-M-S Inverter
70 / 100

Guarantee & Backbone

IQ8AC 208/240 V
86 / 100
SMILE-M-S Inverter
54 / 100

Energy Ecosystem

IQ8AC 208/240 V
52 / 100
SMILE-M-S Inverter
40 / 100
Side by side

Key specifications

marks the better value on rows where a higher number is better. Temperature coefficient counts as higher when it is closer to zero. Size measures such as rated power carry no marker, because a larger product is a different choice rather than a better one.

MeasureIQ8AC 208/240 VSMILE-M-S Inverter
ArchitectureMicroinverterHybrid inverter
Published maximum AC output range0.366 kWNot stated
Power0.366 kW9.999 kW
TypeMicroHybrid
Peak eff97.3 %97.47 % (better value on this row)
MPPTs14 (better value on this row)
Published rated AC power rangeNot stated8–9.999 kW
Scored benchmarkNot stated9.999 kW

Architecture

IQ8AC 208/240 V
Microinverter
SMILE-M-S Inverter
Hybrid inverter

Published maximum AC output range

IQ8AC 208/240 V
0.366 kW
SMILE-M-S Inverter
Not stated

Power

IQ8AC 208/240 V
0.366 kW
SMILE-M-S Inverter
9.999 kW

Type

IQ8AC 208/240 V
Micro
SMILE-M-S Inverter
Hybrid

Peak eff

IQ8AC 208/240 V
97.3 %
SMILE-M-S Inverter
97.47 % (better value on this row)

MPPTs

IQ8AC 208/240 V
1
SMILE-M-S Inverter
4 (better value on this row)

Published rated AC power range

IQ8AC 208/240 V
Not stated
SMILE-M-S Inverter
8–9.999 kW

Scored benchmark

IQ8AC 208/240 V
Not stated
SMILE-M-S Inverter
9.999 kW
Decision snapshot

Where the comparison separates

OverallThe products are tied at 66.
Strongest dimensionsIQ8AC 208/240 V: Guarantee & Backbone · SMILE-M-S Inverter: Design & Flexibility
Largest differenceSMILE-M-S Inverter has the largest pillar edge in Design & Flexibility (46 points).
Evidence coverageIQ8AC 208/240 V: strong evidence coverage (100%) · SMILE-M-S Inverter: strong evidence coverage (100%)

A score lead is only meaningful inside this shared class or tier. Weigh it against the specification and evidence rows above before deciding.

Both products are scored in the Inverter class, on the same rubric weighting. Scores are not comparable across classes or tiers. Full methodology.