HouseholdRanker
Menu

Review

Kasa Smart Dimmer Switch HS220P3 Review

The Kasa Smart Dimmer Switch HS220P3 is a Wi-Fi smart lighting switch designed for in-wall home control, dimming, scheduling, and voice assistant use. It stands out for easy setup, strong Alexa and Google Home support, and good value in a 3-pack, but it is limited to neutral-wire, 120V single-pole installations and has some mixed reliability feedback.
Expert reviewed
88
Overall score
Data-driven scoring Expert reviewed Updated analysis

Why we ranked it highly

The Kasa Smart Dimmer Switch HS220P3 is a three-pack of in-wall smart dimmer switches intended for households that want app control, voice control, and scheduled lighting without adding a separate hub. It is designed for single-pole circuits and requires a neutral wire plus a 2.4GHz Wi-Fi connection. In practical terms, it is aimed at homeowners upgrading common living spaces such as bedrooms, living rooms, hallways, or outdoor lighting circuits where dimming control is useful. The feature set focuses on day-to-day lighting convenience: on-device dimming buttons, remote app control, scheduling, fade-off behaviour, and integration with Alexa and Google Assistant. Review sentiment is notably strong for installation, ease of use, and platform compatibility. The main constraints are installation fit, region and voltage compatibility, and a mixed pattern of reports around connectivity, dimming range, and long-term reliability.
90-day review Expert reviewed User feedback Data scoring

Key specs

Features & Specs

Operation Mode
ON-OFF
Current Rating
15 Amps
Operating Voltage
120 Volts (AC)
Contact Type
Normally Closed
Connector Type
Screw
Switch Type
Dimmer Switch
Terminal
Button
Circuit Type
1-way
Mounting Type
Pole,Wall Mount
Actuator Type
Push Button
Number of Positions
2
Lower Temperature Rating
32 Degrees Fahrenheit
Upper Temperature Rating
104 Degrees Fahrenheit
Controller Type
Amazon Alexa, Google Assistant, IFTTT, nest
Control Method
Voice
Connectivity Protocol
Wi-Fi
Wattage
150 watts
Control Type
Full
Compatible Devices
Amazon Alexa, Google Assistant
Smart Home Compatibility
Smart Home Compatible

Additional details

Color
White, Alexa Compatible

Measurements

Item Dimensions
3.33 x 1.74 x 5.06 inches
Unit Count
3.0 Count
Number of Items
3

Materials & Care

Material Type
Polycarbonate
Contact Material
Copper

User guide

International Protection Rating
IP00
Specification Met
UL

Item details

Brand Name
Kasa Smart
Model
HS220P3
Global Trade Identification Number
00845973084783
Manufacturer
TP-Link
UPC
845973084783 840460604970
Part Number
HS220P3
Item Type Name
No Hub Required, Works with Alexa Echo & Google Assistant
Included Components
3*Smart Dimmer Switch, Wall Plate, Wire Nuts, Wire Label sheet, QIG
Item Weight
0.33 Pounds

Scores breakdown

86 /100

Performance

87 /100

Features

84 /100

Safety

88 /100

Comfort

90 /100

Ease of use

78 /100

Space efficiency

72 /100

Noise

84 /100

Design

Strengths

  • Easy app-guided setup and generally straightforward installation for users with compatible neutral wiring.
  • Works with Alexa and Google Assistant for hands-free lighting control.
  • Supports app control, dimming, schedules, and fade-off routines without requiring a separate hub.
  • Strong buyer sentiment across a very large review base, with frequent praise for ease of use and smart home integration.
  • Good value in a 3-pack format for households upgrading multiple single-pole switches.
  • Physical dimmer buttons and app controls allow flexible daily use at the wall or remotely.

Limitations

  • Requires a neutral wire, which limits compatibility in some homes.
  • Only suitable for 120V single-pole installations, so it is not appropriate for all regions or circuit types.
  • Some buyers report connectivity problems or switches that stop working over time.
  • Dimming performance is mixed in user feedback, with some reports of a narrow usable dimming range.
  • The switch body is fairly bulky, which can make tighter wall boxes harder to work with.
  • Privacy and account-based control considerations are relevant because remote features depend on the app and Wi-Fi setup.

Ideal user profiles

  • Homeowners wanting affordable smart dimming across several rooms.
  • Users already using Alexa or Google Assistant for lighting routines.
  • People comfortable with basic switch replacement or willing to use an electrician.
  • Households with neutral-wire, 120V single-pole lighting circuits.

Use cases

  • Scheduling bedroom or hallway lights for morning and evening routines.
  • Creating dimmed living room scenes for films, reading, or entertaining.
  • Remote control of lights while away from home through the Kasa app.
  • Voice control for hands-free lighting in kitchens, bedrooms, or entryways.
  • Gradual fade-off lighting for bedtime use.
  • Upgrading several standard wall dimmers at once with the 3-pack bundle.

Fit and positioning

Who this works for

Category positioning

This product fits squarely into the smart home lighting category. Its main role is to replace standard wall dimmers with connected controls that support remote access, voice commands, and scheduled routines. In a household routine, that means less manual switching, easier ambience control, and more flexible lighting across frequently used rooms. It is less of a specialist automation device and more of a practical everyday smart home upgrade for compatible homes.

Best for

The HS220P3 is best suited to households that want to upgrade several lights at once and already use Alexa or Google Assistant. It makes the most sense in homes with compatible neutral-wire, 120V single-pole circuits, where app control, dimming, and schedules will be used regularly. Buyers who value straightforward setup and a lower-cost path into smart lighting are likely to get the most from it.

Not best for

It is not the best choice for homes without a neutral wire, buyers outside compatible 120V regions, or anyone needing a broader switch format than single-pole. It may also be less suitable for users who are highly sensitive to connection stability issues or who need especially smooth, wide-range dimming performance, since review feedback is mixed in both areas.

Home use

In everyday home use, this switch adds convenience more than novelty. It lets you adjust lighting at the wall, by app, or by voice, and supports schedules that can fit morning, evening, or away-from-home routines. That makes it useful in common spaces where lighting levels change throughout the day, especially if multiple family members want simple control without learning a complicated system.

Performance analysis

How it performs in practice

Each scoring dimension is separated into a compact card so the strengths and tradeoffs are easier to compare without reading one long block.

Performance analysis

For its main job of smart dimming and remote light control, the HS220P3 performs well overall. The product data and reviews point to dependable app-based switching, straightforward brightness adjustment, and effective voice assistant integration in compatible homes. Physical controls on the switch also help it function as a practical daily replacement for a standard dimmer rather than a smart-only add-on. The main performance caveats are mixed reports on dimming range and occasional delays or connectivity-related behaviour, which suggest that results may vary depending on bulb compatibility, wiring setup, and network conditions.

Feature analysis

The feature set is well judged for a mainstream smart dimmer. You get 0% to 100% dimming control, app access, scheduling, fade-off behaviour, voice control, and remote monitoring without needing a separate hub. There is also support for Alexa, Google Assistant, and listed controller compatibility including IFTTT and Nest. The main limitation is that the switch is still tied to a specific installation type rather than offering broader circuit flexibility.

Safety

Safety looks sound within the limits of the provided data. The switch is UL specified in the listing and is designed for 120V AC use, but correct installation matters because this is a hardwired device. The biggest safety consideration is not a product fault but fit: buyers need a compatible single-pole circuit and neutral wire, and anyone unfamiliar with electrical wiring should consider an electrician. There is no evidence here of systemic overheating or other major safety faults, but improper installation would clearly increase risk.

Comfort

This switch improves comfort mainly by making lighting more adaptable. Being able to fine-tune brightness for winding down, watching films, or early mornings gives rooms a more flexible feel than a basic on-off switch. The fade-off option and scheduled wake-up lighting are especially useful in bedrooms and living areas, where softer transitions can make day-to-day use feel less abrupt.

How it compares

Within the smart dimmer category, the HS220P3 appears stronger than average for ease of setup, mainstream voice assistant support, and overall value. It is also well positioned for households that want several switches at once rather than a single-room trial. Compared with the wider category, it is less flexible on installation fit because of its neutral-wire and 120V single-pole requirements, and it does not completely escape the connection and long-term reliability complaints common in Wi-Fi smart switches. In broad terms, it looks more attractive for practical smart lighting convenience than for buyers seeking the widest compatibility or the most reassuring reliability track record.

Ranking summary

The HS220P3 ranks strongly because it combines the features most buyers actually use in a smart dimmer: reliable app control for many users, broad Alexa and Google Assistant support, straightforward setup, and practical automation tools such as schedules and fade-off lighting. It also benefits from very strong customer sentiment at scale and good value in a 3-pack. It does not rank at the very top without reservation because installation compatibility is narrower than some buyers expect, and review feedback shows some real variability in reliability, connectivity, and dimming behaviour. Overall, it is a well-rounded choice for compatible homes rather than a universal one-size-fits-all option.

Buying advice

Consider this switch if you want affordable smart dimming in multiple rooms, already use Alexa or Google Assistant, and have confirmed that your home has neutral-wire, 120V single-pole circuits. It is especially appealing if schedules, voice control, and remote access will genuinely improve your daily lighting routine. Avoid it if your wiring is incompatible, your wall boxes are very tight, or you need guaranteed smooth dimming with every bulb type. Before buying, check circuit compatibility carefully, confirm your bulbs are dimmer-friendly, and be realistic that while the user feedback is very positive overall, a minority of buyers do report connection and reliability issues.
88
Overall score

Final verdict

The Kasa Smart Dimmer Switch HS220P3 is a strong option in the smart dimmer category for compatible homes. Its main strengths are simple setup, broad Alexa and Google Assistant support, useful scheduling and dimming controls, and notably strong value in a 3-pack. The main limitation is that compatibility is narrower than some buyers may expect, and reliability feedback is positive overall but not flawless. If your wiring setup fits and you want a practical, affordable move into smart lighting, it is an easy product to shortlist. If not, installation constraints and mixed fault reports are reasons to be cautious.
Back to review

Key topics

Kasa Smart Dimmer Switch HS220P3, Kasa dimmer switch review, smart dimmer switch, Alexa dimmer switch, Google Home light switch, Wi-Fi dimmer switch, single pole smart switch, neutral wire dimmer switch, Kasa smart light switch, smart home lighting control

Frequently asked questions

Is the Kasa Smart Dimmer Switch HS220P3 easy to install?
It appears easier than many smart switches for users with basic electrical experience, helped by the Kasa or Tapo app’s guided setup. That said, it still requires a neutral wire and a compatible 120V single-pole circuit, so some homes will not be a fit. If you are unsure about wiring, using an electrician is sensible.
Does the Kasa Smart Dimmer Switch HS220P3 work with Alexa and Google Home?
Yes. The provided details state support for Amazon Alexa and Google Assistant, and many reviews mention successful integration with both platforms. Buyers generally like the convenience of voice control, though some note that setup may involve configuring the switch in Kasa first and then linking it in the voice assistant app.
Does the Kasa Smart Dimmer Switch HS220P3 need a hub?
No. This model connects over 2.4GHz Wi-Fi and does not require a separate smart home hub. That keeps the setup simpler for many households, although it also means your smart features depend on stable Wi-Fi and a successful app connection.
What are the main limitations of the Kasa Smart Dimmer Switch HS220P3?
The main drawbacks are installation compatibility and some mixed reliability feedback. It needs a neutral wire, works on 120V single-pole circuits, and some users report connection issues, a narrow dimming range, or switches that stop working. It is not a universal replacement for every existing wall switch.
Is the Kasa Smart Dimmer Switch HS220P3 good for smart home routines?
Yes, it looks well suited to routines such as schedules, fade-off at bedtime, and voice-controlled scenes. The switch supports app control from anywhere and integrates with major voice assistants, making it practical for daily lighting automation in living rooms, bedrooms, hallways, and other regularly used spaces.
How reliable is the Kasa Smart Dimmer Switch HS220P3?
Overall feedback is positive, but reliability is not completely fault-free. Many users report stable long-term operation and solid Wi-Fi retention, while others mention switches quitting or occasional connection problems. Based on the available data, reliability looks good rather than flawless.
Is the Kasa Smart Dimmer Switch HS220P3 suitable for small wall boxes?
It may be less convenient in tighter electrical boxes because several reviews describe the unit as fairly bulky. That does not prevent installation in compatible setups, but it can make wiring and fitting more difficult, especially if the box already has limited space or multiple devices.
Does the Kasa Smart Dimmer Switch HS220P3 offer good value?
It appears to offer strong value for buyers who want smart dimming without a separate hub, especially in a 3-pack. Reviews frequently praise the balance of price, app control, voice support, and scheduling. Value is weaker if your home lacks a neutral wire or if you need broader circuit compatibility.

Related Guides & Rankings

Kasa Smart Dimmer Switch HS220 Review Kasa Smart Dimmer Switch HS220 Review SwitchBot Smart Switch Button Pusher Review SwitchBot Smart Switch Button Pusher Review Kasa Smart Light Switch HS200P3 Review Kasa Smart Light Switch HS200P3 Review Kasa Smart HS210 KIT Review: 3-Way Smart Light... Kasa Smart HS210 KIT Review: 3-Way Smart Light...