Venstar T4900
Limited Data$$ Mid-range$184.44
tldr; Reddit praises Venstar thermostats for their local API, Home Assistant integration, and no subscription requirements, though they're less known than major brands.
$184.44 on AmazonSentiment Breakdown
100%Positive
Positive
100%Neutral
0%Negative
0%Based on 10 Reddit opinions
Key Features
- Large, Easy to Read Display, Adjustable Backlight intensity, Backlit, Color Coded Buttons & Legends
- 4 Heat Stages & 2 Cool Stages, Choose 7-Day, 5+1+1 Day or 1-Day Programming, Up to 3 Occupied Periods Per Day, Programmable Output, 365 Day Holiday Programming
- Adjustable Deadbands and Timers Between Stages, Can Average 1 Remote Sensor with the Thermostat Sensor, Pre-Occupancy Fan Purge, Light Activated, Energy Watch
- Add-A-Wire accessory (PN# ACC0410) may be necessary if only 4 wires are available for installation. Add-A-Wire Installation Video on yotutube.
- Wifi Module (Part Number: ACC-VWF1) is necessary for Wi-Fi operation
- ⚠️ Local API for Home Assistant integration -
- ⚠️ No subscription fees unlike some competitors
- 🛠️ Venstar's Add-A-Wire kit is highly
Historical Price Data
Venstar T4900
Venstar T4900
All-time low: $87.6(2021-05)
What Redditors Actually Say
What Redditors Say
Best praise vs top criticism for Venstar T4900
Best Praise
+2 pts“The only thermostat I could find that didn't require a subscription and worked with Home Assistant. It also has a local API so you can integrate it with anything you can think of.”
No negative quotes found
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Frequently Asked Questions
Is the Venstar T4900 worth buying?
Reddit praises Venstar thermostats for their local API, Home Assistant integration, and no subscription requirements, though they're less known than major brands.
What do Redditors love about the Venstar T4900?
Redditors highlight: ⚠️ Local API for Home Assistant integration -. ⚠️ No subscription fees unlike some competitors. 🛠️ Venstar's Add-A-Wire kit is highly.
What are the downsides of the Venstar T4900?
With only 0 negative mentions out of 10, there are few common complaints.
How accurate are these ratings?
Our sentiment analysis is approximately 80-85% accurate compared to manual review. Products with more mentions (Venstar T4900 has 10) tend to have more reliable scores.
10 Reddit opinions analyzed • Last updated 4/10/2026