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Honeywell Home T6 Pro Smart Thermostat and Honeywell Home T9 Smart Thermostat are closely matched smart thermostats devices with nearly identical overall scores (36 vs 34). The best choice depends on which specific features matter most to you.
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 | Honeywell Home T6 Pro Smart Thermostat | Honeywell Home T9 Smart Thermostat |
|---|---|---|
| Price | 169$✓ | 199$ |
| Display | 3.5"✓ | 3" |
| Display Type | Color Touchscreen | Color Touchscreen |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Weight | 250g | 250g |
| Dimensions | 100 x 100 x 30 mm | 100 x 100 x 30 mm |
| Colors | White | White |
Buy Honeywell Home T6 Pro Smart Thermostat if…
Choose the Honeywell Home T6 Pro Smart Thermostat if budget is your top priority — it offers competitive specs at a lower price point.
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.
Honeywell Home T6 Pro Smart Thermostat and Honeywell Home T9 Smart Thermostat are closely matched smart thermostats devices with nearly identical overall scores (36 vs 34). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Honeywell Home T6 Pro Smart Thermostat is cheaper at $169 vs $199 for the Honeywell Home T9 Smart Thermostat.
Choose the Honeywell Home T6 Pro Smart Thermostat if budget is your top priority — it offers competitive specs at a lower price point.
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.
Honeywell Home T6 Pro Smart Thermostat has the larger display (3.5" 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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