New prices
$65
– $80
meross MTS300 Smart Thermostat
Take control of your home's comfort and energy use with this smart thermostat. It works with Matter, Amazon Alexa, Apple HomeKit, and Google Assistant for seamless voice and app control. With 7x24 hour programmable scheduling, you can automate your home's temperature to save energy while you're asleep or away. Energy monitoring helps track usage and reduce bills. Smart alerts notify you of system malfunctions and filter life. Easy DIY installation under 30 minutes, requiring a C-wire for stable power. Compatible with most 24V HVAC systems including heat pumps, furnaces, and air conditioners. Some models are designed for high-voltage electric baseboard heaters.
- 5 variants
- Matter multi-platform compatibility
- For: 2 variants
Used prices
$53
– $61
Price spread
~23%
Across new variants
Customer rating
803 ratings
Available variants (5)
Choose a variant, then open its detail page for seller-specific information.
White, 24V
Amazon
Available to order
- Power Source
- Corded Electric
- Color
- White
- Voltage
- 24 Volts
White, 24V
Amazon
Available to order
- Works with Matter, Alexa, Apple Home, Google Assistant
- App and voice control
- 7x24 scheduling
Variant comparison
Compare prices, availability, and key variant differences in one table.
| Feature | White, 24V | Black, 24V | White, 120-240V, Electric Baseboard | White, 120-240V, Electric Baseboard & In-Wall | White, 24V |
|---|---|---|---|---|---|
| Price | $64.99 | $65.99 | $79.99 | $69.99 | $69.99 |
| Updated | Jun 8, 2026 | Jun 8, 2026 | May 30, 2026 | May 26, 2026 | — |
| Availability | Available to order | Available to order | Available to order | Available to order | Available to order |
| Power Source | Corded Electric | Wired | — | Hardwired | — |
| Color | White | Black | White | White | — |
| Voltage | 24 Volts | — | — | 120, 240 | — |
| Display Type | LED | — | — | LCD | — |
| Dimensions | — | — | 73.66, 116.84, 43.18 | 2.95, 1.69, 4.64 | — |
| Scheduling | — | — | — | Weekly | 7x24h scheduling |
| Compatible Systems | — | — | — | Electric Baseboard, Convector, Fan-Forced Heater, In-Ceiling Radiant | heat pump, air conditioner, furnace, boiler, dehumidifier, humidifier |
Amazon live offers
Offers updated
Top live offer
$64.99
New from
$64.99
Used from
$52.80
Offer count
14+
| Seller | Condition | Price | Shipping | Updated | |
|---|---|---|---|---|---|
| Third-party seller FBA | Used - Acceptable | $52.80 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | Used - Acceptable | $53.29 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | Used - Very Good | $57.77 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | Used - Like New | $60.26 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | Used - Like New | $60.63 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | New | $64.99 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | New | $65.99 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | Used - Like New | $66.79 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | New | $69.99 | Free shipping | 6/8/26 | View offer |
| Third-party seller FBA | New | $69.99 | Free shipping | 6/9/26 | View offer |
View all offers on Amazon
Overview
Compare meross MTS300 Smart Thermostat variants, pricing tiers and key differences.
Learn moreHow variants differ
- Power Source
- Color
- Voltage
Who each variant is for
- Start with your budget: the visible price spread across variants is about 23%.
- Pick color and finish only after deciding on hardware requirements.
Reviews
4.0 / 5
from 803 ratings
No written reviews yet
When this device makes sense
Product confidence
Reviews
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