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“Hands-on testers frame the TRVZB as a steal at its sub-$30 price, praising its quiet valve action and how completely it opens up to local control once paired with a Zigbee hub in Home Assistant.”
Is the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) worth it?
The SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) ($29.99) is a top pick with a 9/10 consensus score across 5 expert reviews. Experts highlight at roughly $30 per valve it is the cheapest credible smart trv here, so a five-radiator home costs about $150 plus a zigbee hub rather than the $300-plus a premium homekit build would run if one were even sold on amazon us. and fits the standard m30 x 1.5mm thread and ships with ra, rav, ravl, cal, gia, and m28 adapters, covering nearly every european-style radiator valve without a plumber.. notenoughtech says: "Hands-on testers frame the TRVZB as a steal at its sub-$30 price, praising its q..." Best for: Home Assistant and Zigbee tinkerers fitting several radiators, Budget-minded buyers who want per-room control cheaply.
Must Buy5 Expert Reviews
Price Range
Check Price on Amazon →$29.99
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SONOFF Zigbee Thermostatic Radiator Valve (TRVZB)
NM
Nicholas Miles · Editor-in-Chief & Methodology Owner
Smart Radiator Valves
SHE ScoreGood
SmartHomeExplorer proprietary rating
7.3/10
5 expert sources
Compatibility Breadth5/10
Setup Ease6/10
Reliability7.8/10
Value Rating10/10
Future-Proofing7.5/10
The SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) earns a SHE Score of 7.3/10, driven by strong value (10/10) with room to improve in compatibility breadth (5/10). Based on 5 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 9/10 across 5 sources
Updated this week“Hands-on testers frame the TRVZB as a steal at its sub-$30 price, praising its quiet valve action and how completely it opens up to local control once paired with a Zigbee hub in Home Assistant.”
Key Features
- ✓ Zigbee 3.0 connectivity for SONOFF iHost, NSPanel Pro, ZB Bridge Pro, or any compliant hub
- ✓ M30 x 1.5mm thread with RA/RAV/RAVL/CAL/GIA/M28 adapters included
- ✓ Open-window detection that shuts the valve during ventilation
- ✓ 6 months of stored heating-consumption history in the eWeLink app
- ✓ Child lock and frost protection down to a 5C floor
- ✓ Works with Alexa and Google Home for voice setpoint control
Best For
Home Assistant and Zigbee tinkerers fitting several radiatorsBudget-minded buyers who want per-room control cheaply
SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) vs. the alternatives
How the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) stacks up against other Climate options on price, expert consensus, and our proprietary SHE Score.
| Product | Price | Consensus | SHE Score | Works With | Verdict |
|---|---|---|---|---|---|
| SONOFF Zigbee Thermostatic Radiator Valve (TRVZB)This page | $29.99 | 9/10 | 7.3/10 | Apple HomeKit, Google Home, Amazon Alexa | Must Buy |
| Aqara Smart Radiator Thermostat E1 | $49.99 | 8.4/10 | 7.1/10 | Apple HomeKit, Amazon Alexa, Matter | Must Buy |
| AVATTO Smart Thermostat Radiator Valve TRV07 (Zigbee 3.0) | $62.62 | 7.9/10 | 6.6/10 | Amazon Alexa | Recommended |
| VISLONE Tuya Zigbee 3.0 Smart Radiator Thermostat Valve | $29.99 | 7.6/10 | 6.2/10 | Amazon Alexa | Good Value |
The SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) ($29.99) earns a 9/10 expert consensus and a 7.3/10 SHE Score across 5 sources, versus the Ecobee Smart Thermostat Premium at $209.99 (8.8/10 consensus). It works with Apple HomeKit, Google Home, Amazon Alexa.
What Experts Agree On
What Experts Love
- ✓ At roughly $30 per valve it is the cheapest credible smart TRV here, so a five-radiator home costs about $150 plus a Zigbee hub rather than the $300-plus a premium HomeKit build would run if one were even sold on Amazon US.
- ✓ Fits the standard M30 x 1.5mm thread and ships with RA, RAV, RAVL, CAL, GIA, and M28 adapters, covering nearly every European-style radiator valve without a plumber.
- ✓ Open-window detection drops the valve when it senses a temperature plunge, and the app logs 6 months of daily, weekly, and monthly heating data so you can actually see where the savings come from.
- ✓ Runs on any Zigbee 3.0 hub (SONOFF iHost, NSPanel Pro, ZB Bridge Pro, or a generic dongle in Home Assistant), so it is not locked to one brand's gateway.
Common Criticisms
- ✗ Needs a separate Zigbee 3.0 hub to do anything smart, an extra $25 to $60 outlay that buyers without an existing mesh have to absorb.
- ✗ The native eWeLink and Alexa interface is barebones, exposing only setpoint, current temperature, and mode; the powerful per-day scheduling really comes alive only in Home Assistant.
- ✗ The built-in sensor sits right next to the radiator, so without a calibration offset it reads warm and can close the valve before the room hits setpoint.
What The Experts Say
TE
“Smart-heating coverage repeatedly points to room-by-room valve control as the cheapest way to stop heating empty rooms, and the SONOFF valve is the budget route into exactly that approach.”
Ready to buy the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB)?
Check Price on Amazon$29.99 · 5 expert sources · 9/10 consensus
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Frequently Asked Questions
Is the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) worth it?
The SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) earns a 9/10 consensus score across 5 expert sources and is rated "Must Buy". At $29.99, it is best for Home Assistant and Zigbee tinkerers fitting several radiators. notenoughtech notes: "Hands-on testers frame the TRVZB as a steal at its sub-$30 price, praising its quiet valve action and how completely it opens up t..."
How much does the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) cost?
The SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) is priced at $29.99. With a 9/10 score from 5 expert reviews and a "Must Buy" rating, that price represents strong value relative to the ~7.5/10 average for Climate products. Prices shift often, so check the live figure before buying.
Who is the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) best for?
The SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) is best for Home Assistant and Zigbee tinkerers fitting several radiators, Budget-minded buyers who want per-room control cheaply. Experts rate it "Must Buy" with a 9/10 consensus across 5 sources.
How does the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) compare to other Climate options?
Among the Climate products we have aggregated, the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) ranks above average with a 9/10 score. techradar adds: "Smart-heating coverage repeatedly points to room-by-room valve control as the cheapest way to stop heating empty rooms, and the SO..."
What smart home systems does the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) work with?
The SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) works with Apple HomeKit, Google Home, Amazon Alexa. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
What are the best alternatives to the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB)?
If the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) ($29.99, 9/10) is not the right fit, the closest alternatives in Climate are Aqara Smart Radiator Thermostat E1, VISLONE Tuya Zigbee 3.0 Smart Radiator Thermostat Valve. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB)?
The main strengths of the SONOFF Zigbee Thermostatic Radiator Valve (TRVZB) are at roughly $30 per valve it is the cheapest credible smart trv here, so a five-radiator home costs about $150 plus a zigbee hub rather than the $300-plus a premium homekit build would run if one were even sold on amazon us. and fits the standard m30 x 1.5mm thread and ships with ra, rav, ravl, cal, gia, and m28 adapters, covering nearly every european-style radiator valve without a plumber.. The most-cited downside is needs a separate zigbee 3.0 hub to do anything smart, an extra $25 to $60 outlay that buyers without an existing mesh have to absorb.. Overall, 5 expert sources rate it "Must Buy" with a 9/10 consensus score.
Sources & Methodology
This review aggregates 2 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Expert review sources cited on this page:
- notenoughtech
- techradar
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 5 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.
Independence notice: Smart Home Explorer is an independent publication. SONOFF and other product names, logos, and brands referenced on this page are the property of their respective owners and are used for identification purposes only. This review is not sponsored by, affiliated with, or endorsed by SONOFF or any other manufacturer named in this article.