Lennox review

Updated September 30, 2026 · SmartHomeCue Editorial Team · Facts checked September 30, 2026

We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings.

Our verdict

Lennox suits households that want heating and cooling handled locally, without a hub or a running fee, and pairs that with 10 years of warranty. The catch is reach: sales cover US and CA only, and the catalogue stays on thermostat and sensor with nothing else to add.

Key facts

Best for
Hub-free heating and cooling control in the US and Canada with no monthly fee.
Matter certified
No (Source, checked September 30, 2026)
Hub required
No (Source, checked September 30, 2026)
Local control
Yes (Source, checked September 30, 2026)
Heat pump compatible
Yes (Source, checked September 30, 2026)
Energy reporting
Yes (Source, checked September 30, 2026)
Subscription per month
$0 (Source, checked September 30, 2026)
Warranty
10 years (Source, checked September 30, 2026)
Markets
US, CA (Source, checked September 30, 2026)
Legal entity
Lennox International Inc. (Source, checked September 30, 2026)
Headquarters
United States (Source, checked September 30, 2026)
Founded
1895 (Source, checked September 30, 2026)
Support channels
Email, Chat, Help-centre (Source, checked September 30, 2026)
Device types
Thermostat, Sensor
Protocols
Wi fi, Matter
Ecosystems
Alexa, Google, Matter
Official website
lennox.com

Apps and profiles

Get the app
Google Play
Elsewhere
WikidataWikipediaLinkedInXfacebook.comyoutube.cominstagram.com

Pros and cons

Pros

  • No hub is required and local control is supported, so schedules and set points stay on the thermostat itself.
  • The subscription is $0 a month, so there is no renewal to budget for after the purchase.
  • Heat pump compatibility and energy reporting are both listed, covering the two checks most households make on a thermostat.
  • 10 years of warranty from a company trading since 1895 is a long commitment to stand behind the hardware.

Cons

  • Matter certified is listed as no, so wi fi and matter pairs a protocol with a standard the thermostat is not certified to.
  • Support runs on email, chat and help centre only, and phone is not among the listed channels.
  • The range is sold in US and CA only, so buyers in other markets need a different supplier.
  • The catalogue covers thermostat and sensor, well short of hub, sensor and lighting and thermostat, trv and lighting.

Ready to try Lennox?

Scored 9.2 / 10 by SmartHomeCue.

See alternatives

Who it suits

  • Households in US and CA running a heat pump who want a thermostat that works without a hub and keeps control on the device.
  • Renters and homeowners who would rather see no recurring fee, since the monthly subscription is $0.
  • Buyers who rate a 10 years warranty and a long trading history above a wide device catalogue.

Who should look elsewhere

  • Aqara buyers who want the line to stretch past thermostat and sensor into hubs, lighting, plugs and blinds.
  • Lutron buyers who want climate control in the same system as lighting and blinds, since Lutron lists lighting, blinds and thermostat.
  • SONOFF buyers who want radiator valves and hubs, since thermostat, trv and lighting reaches well past the thermostat and sensor on offer here.

What it does well

Lennox keeps the setup small on purpose. No hub is required, so there is no bridge to mount, power or pair before the thermostat goes on the wall. Local control means schedules, set points and heating calls are handled on the device itself, so comfort does not depend on a cloud round trip. The thermostat is heat pump compatible, so it suits a system that both heats and cools rather than one seasonal system. Energy reporting is included, which lets a household check what the heating and cooling is using rather than estimate it. The range sits behind 10 years of warranty, so a fault in year two is not an argument with the installer.

Who runs it

The legal entity behind the range is Lennox International Inc., headquartered in the United States and trading since 1895. That record is the reassurance a heating and cooling buyer is looking for, because it points to a maker of climate equipment rather than a smart home name that added a thermostat to a range. Support runs on email, chat and help centre, which is written and self service contact, with phone not listed among the channels. For a product wired into a heating system, that shape of support suits people who are comfortable searching documentation and sending a message.

How Lennox compares

Where Lennox is available

Available
Canada, United States

Countries from the brand (Source, checked September 30, 2026)

Frequently asked questions

What does a Lennox thermostat cost once you have bought it?+

The recurring part is simple: the monthly subscription is $0, so there is nothing to renew and no fee to set aside each month. You pay for the hardware, and 10 years of warranty means there is no extra cover to buy. Running cost stays at nothing.

Do I need to buy a hub or a bridge first?+

No hub is required. The thermostat and sensor run on wi fi and matter, and local control is supported, so schedules and set points live on the device. There is no extra box to mount, power or pair, and nothing sitting between the thermostat and your router to keep running.

Is the Lennox thermostat Matter certified?+

Matter certified is listed as no, which sits oddly beside wi fi and matter, where Matter appears alongside wi-fi. If a certified Matter controller matters to your setup, settle that with Lennox before buying rather than assuming the protocol listing covers certification.

Which voice assistants and smart home platforms work with it?+

The listed ecosystems are alexa, google and matter, so voice control runs through Alexa and Google, with Matter also listed as an ecosystem even though Matter certified is listed as no. Local control keeps basic heating and cooling working from the device itself if the app or the connection is unavailable.

Where can you buy a Lennox thermostat?+

Lennox is a US company and the markets served are US and CA, so the direct route runs through those countries. If you are buying elsewhere, check local distribution for the range first, because the listing of supported markets is where the catalogue stops.

Will it work with a heat pump, and can I see energy use?+

The thermostat is heat pump compatible, so it suits a system that both heats and cools rather than a single season setup. Energy reporting is included, which gives a household a view of what the system is drawing instead of a guess added to the monthly bill.

How long is the warranty and how do I get help?+

Cover runs for 10 years on the thermostat and sensor range. After purchase, support runs on email, chat and help centre, which is written and self service help rather than a phone line, so it suits people who are comfortable searching documentation and sending a message.

Who is actually behind the brand?+

The legal entity is Lennox International Inc., headquartered in the United States and trading since 1895. For a heating and cooling buyer that record is the reassurance: this is a maker of climate equipment, not a smart home name that added a thermostat to a catalogue.

Sources

Compiled from 6 source pages, checked September 30, 2026. We did not open an account.

Not confirmed yet: Price from.

Lennox

Hub-free heating and cooling control in the US and Canada with no monthly fee.

9.2/10See alternatives

Your cookie choices

We use necessary cookies to make this site work. With your permission, analytics cookies help us understand usage and marketing cookies support advertising.

You can reject non-essential cookies and still use the site. Change your choices anytime in Cookie settings.

Cookie policy
Cookie settings