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Nest Thermostat E edges out the Honeywell Home T9 Smart Thermostat in the smart thermostats category, especially in value ($99 vs $199), scoring 42 vs 34. If you want the better overall smart thermostats, Nest Thermostat E is the recommended choice.
Picking Nest Thermostat E over Honeywell Home T9 Smart Thermostat means trading these off.
Nothing meaningful — Nest Thermostat E matches or beats Honeywell Home T9 Smart Thermostat on every measured spec.
Scores are relative within the smart thermostatscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
| Spec | Nest Thermostat EW | Honeywell Home T9 Smart Thermostat |
|---|---|---|
| Price | 99$✓ | 199$ |
| Display | 3.2"✓ | 3" |
| Display Type | Color LCD | Color Touchscreen |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Weight | 250g | 250g |
| Dimensions | 84 x 84 x 31 mm | 100 x 100 x 30 mm |
| Colors | White | White |
Buy Nest Thermostat E if…
Buy the Nest Thermostat E if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Honeywell Home T9 Smart Thermostat if…
The Honeywell Home T9 Smart Thermostat is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Nest Thermostat E edges out the Honeywell Home T9 Smart Thermostat in the smart thermostats category, especially in value ($99 vs $199), scoring 42 vs 34. If you want the better overall smart thermostats, Nest Thermostat E is the recommended choice.
Yes, Nest Thermostat E scores higher overall (78 vs 69).
Nest Thermostat E is cheaper at $99 vs $199 for the Honeywell Home T9 Smart Thermostat.
Buy the Nest Thermostat E if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
The Honeywell Home T9 Smart Thermostat is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Nest Thermostat E has the larger display (3.2" vs 3").








Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
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