Lennox International (MEX:LII) Shiller PE Ratio: (As of Sep. 20, 2026)

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MEX:LII Lennox International Inc MEX:LII
87 GF Score
Price MXN9,790.00
GF Value MXN14,766.84
! 2 Warning Signs
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What is Lennox International Shiller PE Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Lennox International  (MEX:LII) Shiller PE Ratio Explanation

Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.

Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.


Be Aware

Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.


Lennox International Shiller PE Ratio Related Terms


Lennox International Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for Lennox International's Shiller PE Ratio can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Lennox International Shiller PE Ratio Chart

Lennox International Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 48.31 38.78 33.12 27.65 34.70

Lennox International Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shiller PE Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 41.85 40.20 34.55 33.39 32.24

MEX:LII vs MAIR, CSL, MAS: Shiller PE Ratio Comparison

For the Building Products & Equipment subindustry, Lennox International's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Lennox International Shiller PE Ratio vs Construction Industry

For the Construction industry and Industrials sector, Lennox International's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Lennox International's Shiller PE Ratio falls into.


MEX:LII
87GF Score
Lennox International Inc MEX:LII
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Lennox International Shiller PE Ratio Calculation

For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

Lennox International's E10 for the quarter that ended in Jun. 2026 is calculated as:

For example, Lennox International's adjusted earnings per share data for the three months ended in Jun. 2026 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=134.4629/333.9520*333.9520
=134.463

Current CPI (Jun. 2026) = 333.9520.

Lennox International Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201609 43.703 241.428 60.451
201612 18.452 241.432 25.524
201703 20.302 243.801 27.810
201706 49.943 244.955 68.088
201709 43.531 246.819 58.898
201712 19.224 246.524 26.042
201803 16.862 249.554 22.565
201806 64.965 251.989 86.096
201809 50.367 252.439 66.631
201812 37.004 251.233 49.188
201903 33.185 254.202 43.596
201906 53.604 256.143 69.887
201909 57.148 256.759 74.329
201912 56.423 256.974 73.324
202003 6.682 258.115 8.645
202006 60.749 257.797 78.695
202009 75.418 260.280 96.766
202012 59.485 260.474 76.265
202103 44.870 264.877 56.572
202106 90.290 271.696 110.978
202109 68.374 274.310 83.240
202112 47.156 278.802 56.484
202203 46.966 287.504 54.554
202206 99.529 296.311 112.172
202209 80.919 296.808 91.045
202212 52.208 296.797 58.744
202303 51.359 301.836 56.824
202306 107.986 305.109 118.194
202309 62.334 307.789 67.633
202312 70.893 306.746 77.180
202403 59.000 312.332 63.084
202406 118.434 314.175 125.889
202409 126.375 315.301 133.850
202412 113.333 315.605 119.921
202503 74.093 319.799 77.372
202506 150.652 322.561 155.973
202509 130.109 324.800 133.775
202512 74.305 324.054 76.575
202603 58.801 330.213 59.467
202606 134.463 333.952 134.463

Add all the adjusted EPS together and divide 10 will get our E10.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

Is Lennox International (MEX:LII) Overvalued in 2026?

Based on GuruFocus' analysis, Lennox International stock appears to be undervalued. The current stock price of MXN9,790.00 is trading 33.7% below its estimated GF Value™ of MXN14,766.84.

Key valuation signals for MEX:LII:

  • Shiller PE Ratio:
  • GF Value™: MXN14,766.84 vs. price of MXN9,790.00 (33.7% below fair value)
  • GF Score™: 87/100 with 2 warning signs

No single metric tells the full story. See the MEX:LII stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Lennox International Business Description

Other Exchanges LII:USALXI:Germany
Address 2140 Lake Park Boulevard, Richardson, TX, USA, 75080
Lennox International manufacturers and distributes heating, ventilating, air conditioning, and refrigeration products for the North American replacement (75% of sales) and new construction (25% of sales) markets. Residential HVAC (home comfort solutions) accounts for 67% of sales and commercial HVAC (building climate solutions) accounts for the remaining 33% of sales. Lennox's commercial exposure is what its peers refer to as residential and light commercial, and lacks the scale and complexity of what is referred to as an applied solution. The company goes to market with multiple brands, but Lennox is its flagship HVAC brand.
87GF Score

Get the complete analysis for MEX:LII

Shiller PE Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN9,790.00
Price
MXN14,766.84
GF Value