Smith A O AOS Peer Comparison

NYSE AOS
$57.84 -0.98 (-1.67%)
As of: Sep 9, 2026 · 3:59 PM EDT
Peer Comparison

118 Comparable Companies

Industry HVAC

Smith A O Corp (AOS) is the 34th largest of 118 HVAC companies by market capitalisation, at 8.22 Bn, behind Stantec Inc at 8.39 Bn. It trades on a P/E of 16.58, 31% below the peer median of 24.13. The table below compares all 118 on 8 financial metrics.

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# Ticker Company match industry_code industry_group industry_group_code Market Capitalization P/E P/S Enterprise Value
1 TT Trane Technologies plc primary I-14 Construction Products IG-03 98.54 Bn 48.11 4.44 97.25 Bn
2 JCI Johnson Controls International plc primary I-14 Construction Products IG-03 87.78 Bn 24.13 3.51 87.18 Bn
3 FIX Comfort Systems Usa Inc primary I-14 Construction Products IG-03 56.67 Bn 165.00 14.32 54.82 Bn
4 CARR CARRIER GLOBAL Corp primary I-14 Construction Products IG-03 49.23 Bn 42.09 2.23 48.21 Bn
5 LII Lennox International Inc primary I-14 Construction Products IG-03 13.50 Bn 17.18 2.55 13.44 Bn
6 MOD Modine Manufacturing Co primary I-14 Construction Products IG-03 10.26 Bn — — 10.20 Bn
7 SPXC SPX Technologies, Inc. primary I-14 Construction Products IG-03 9.84 Bn 35.47 3.97 9.67 Bn
8 AOS Smith A O Corp primary I-14 Construction Products IG-03 8.22 Bn 16.58 2.16 8.04 Bn
9 AAON Aaon, Inc. primary I-14 Construction Products IG-03 6.55 Bn 40.97 3.39 6.55 Bn
10 LGN Legence Corp. primary I-14 Construction Products IG-03 5.72 Bn -43.43 1.73 5.81 Bn
11 CSW Csw Industrials, Inc. primary I-14 Construction Products IG-03 5.53 Bn — — 5.52 Bn
12 REZI Resideo Technologies, Inc. primary I-14 Construction Products IG-03 3.02 Bn 8.27 0.39 2.47 Bn
13 EVOH EvoAir Holdings Inc. primary I-14 Construction Products IG-03 0.63 Bn -56.89 1,861.02 0.62 Bn
14 LMB Limbach Holdings, Inc. primary I-14 Construction Products IG-03 0.59 Bn 19.67 0.87 0.58 Bn
15 TKLS Trutankless, Inc. primary I-14 Construction Products IG-03 0.07 Bn -11.99 34.61 0.07 Bn
16 ENGS Energys Group Ltd primary I-14 Construction Products IG-03 0.04 Bn — — 0.04 Bn
17 GCDT Green Circle Decarbonize Technology Ltd primary I-14 Construction Products IG-03 0.00 Bn -2.27 1.19 0.00 Bn
18 WXM WF International Ltd. primary I-14 Construction Products IG-03 0.00 Bn — — 0.00 Bn
19 PH Parker-Hannifin Corp secondary I-10 Machinery IG-02 121.35 Bn 33.33 5.64 120.86 Bn
20 VRT Vertiv Holdings Co secondary I-07 Machinery IG-02 107.98 Bn 62.28 9.41 104.87 Bn
21 ECL Ecolab Inc. secondary I-38 Environmental Equipment IG-09 78.30 Bn 38.19 4.65 73.20 Bn
22 HON Honeywell International Inc secondary I-01 Aerospace and Defense IG-01 66.43 Bn 8.18 1.75 57.56 Bn
23 WAB Westinghouse Air Brake Technologies Corp secondary I-11 Machinery IG-02 47.83 Bn 37.49 3.99 47.19 Bn
24 KDP Keurig Dr Pepper Inc. secondary S-03 Beverages SG-01 44.35 Bn 29.66 2.21 47.03 Bn
25 FERG Ferguson Enterprises Inc. /DE/ secondary I-31 Distribution and Rental IG-07 44.34 Bn 21.91 1.41 43.52 Bn
26 IDXX Idexx Laboratories Inc /De secondary H-05 Pharmaceuticals and Biotechnology HG-01 42.23 Bn 37.09 9.27 42.03 Bn
27 EME EMCOR Group, Inc. secondary I-15 Construction Services IG-04 33.35 Bn 23.27 1.79 32.42 Bn
28 IR Ingersoll Rand Inc. secondary I-10 Machinery IG-02 29.62 Bn 30.81 3.73 28.51 Bn
29 TDY Teledyne Technologies Inc secondary I-02 Aerospace and Defense IG-01 28.32 Bn 29.01 4.44 27.98 Bn
30 AWK American Water Works Company, Inc. secondary U-07 Regulated Utilities UG-02 27.97 Bn 24.45 5.29 27.77 Bn
31 DOV DOVER Corp secondary I-04 Machinery IG-02 25.97 Bn 22.90 3.08 24.22 Bn
32 NVT nVent Electric plc secondary I-07 Machinery IG-02 25.25 Bn 42.19 5.22 25.00 Bn
33 XYL Xylem Inc. secondary I-38 Environmental Equipment IG-09 24.67 Bn 24.75 2.70 23.64 Bn
34 SN SharkNinja, Inc. secondary D-06 Household Durables DG-02 24.43 Bn 35.26 3.54 23.65 Bn
35 VLTO Veralto Corp secondary I-38 Environmental Equipment IG-09 23.52 Bn 23.90 4.13 21.40 Bn
36 DD DuPont de Nemours, Inc. secondary M-02 Chemicals MG-01 17.77 Bn 96.69 2.54 16.15 Bn
37 MLI Mueller Industries Inc secondary I-09 Machinery IG-02 14.10 Bn 16.41 3.02 12.71 Bn
38 IESC IES Holdings, Inc. secondary I-16 Construction Services IG-04 12.85 Bn 29.09 3.22 12.47 Bn
39 WTS Watts Water Technologies Inc secondary I-10 Machinery IG-02 12.13 Bn 31.71 4.53 11.78 Bn
40 AYI Acuity Inc. (De) secondary I-13 Construction Products IG-03 10.01 Bn 21.42 2.17 9.60 Bn
41 WMS Advanced Drainage Systems, Inc. secondary I-13 Construction Products IG-03 9.69 Bn 23.01 3.01 9.60 Bn
42 PNR PENTAIR plc secondary I-10 Machinery IG-02 9.61 Bn 14.87 2.40 9.52 Bn
43 TTC Toro Co secondary I-04 Machinery IG-02 8.84 Bn 24.47 1.86 8.66 Bn
44 STN Stantec Inc secondary I-15 Construction Services IG-04 8.39 Bn 12.87 0.80 8.39 Bn
45 ZWS Zurn Elkay Water Solutions Corp secondary I-13 Construction Products IG-03 7.91 Bn 28.81 4.43 7.54 Bn
46 FTDR Frontdoor, Inc. secondary F-13 Insurance FG-04 5.72 Bn 21.15 2.67 5.10 Bn
47 PSN Parsons Corp secondary I-02 Aerospace and Defense IG-01 5.09 Bn 23.71 0.81 4.94 Bn
48 GNTX Gentex Corp secondary D-02 Automobiles and Components DG-01 4.88 Bn 11.87 1.86 4.64 Bn
49 TPC Tutor Perini Corp secondary I-15 Construction Services IG-04 4.64 Bn 26.27 0.78 3.50 Bn
50 GFF Griffon Corp secondary I-13 Construction Products IG-03 4.53 Bn 23.53 1.65 4.42 Bn
51 ALH Alliance Laundry Holdings Inc. secondary I-04 Machinery IG-02 4.52 Bn 25.20 2.54 4.34 Bn
52 FELE Franklin Electric Co Inc secondary I-10 Machinery IG-02 4.41 Bn 27.99 1.99 4.32 Bn
53 ITRI Itron, Inc. secondary I-07 Machinery IG-02 4.25 Bn 14.35 1.84 3.52 Bn
54 BMI Badger Meter Inc secondary I-38 Environmental Equipment IG-09 3.84 Bn 30.60 4.36 3.74 Bn
55 MWA Mueller Water Products, Inc. secondary I-10 Machinery IG-02 3.74 Bn 16.85 2.53 3.24 Bn
56 CECO Ceco Environmental Corp secondary I-37 Environmental Equipment IG-09 3.21 Bn -113.89 3.55 3.15 Bn
57 WOR Worthington Enterprises, Inc. secondary I-13 Construction Products IG-03 3.04 Bn 19.63 2.20 3.01 Bn
58 HAYW Hayward Holdings, Inc. secondary I-10 Machinery IG-02 2.98 Bn 18.67 2.55 2.50 Bn
59 ABM Abm Industries Inc /De/ secondary I-27 Business Services IG-06 2.76 Bn 16.67 0.30 2.65 Bn
60 EFXT Enerflex Ltd. secondary E-11 Oilfield Services and Equipment EG-04 2.71 Bn -7.95 1.22 2.63 Bn
61 HWKN Hawkins Inc secondary M-02 Chemicals MG-01 2.68 Bn 33.28 2.42 2.67 Bn
62 NWL Newell Brands Inc. secondary D-06 Household Durables DG-02 2.60 Bn -11.76 0.36 2.39 Bn
63 WHR Whirlpool Corp /De/ secondary D-06 Household Durables DG-02 2.55 Bn 14.59 0.17 1.30 Bn
64 LCII Lci Industries secondary I-09 Machinery IG-02 2.49 Bn 11.80 0.62 2.28 Bn
65 BBUC Brookfield Business Corp secondary I-15 Construction Services IG-04 2.46 Bn 242.46 0.09 13.14 Bn
66 SPB Spectrum Brands Holdings, Inc. secondary S-04 Branded Foods SG-02 2.03 Bn 24.13 0.71 1.84 Bn
67 GRC Gorman Rupp Co secondary I-10 Machinery IG-02 1.99 Bn 31.92 2.84 1.95 Bn
68 AMRC Ameresco, Inc. secondary I-15 Construction Services IG-04 1.22 Bn — — 1.17 Bn
69 SPH Suburban Propane Partners Lp secondary E-07 Refining and Marketing EG-03 1.17 Bn 10.67 0.84 1.16 Bn
70 NWPX NWPX Infrastructure, Inc. secondary I-38 Environmental Equipment IG-09 1.04 Bn 21.29 1.81 1.02 Bn
71 CODI Compass Diversified Holdings secondary D-10 Apparel and Luxury DG-04 0.88 Bn -3.19 0.48 0.94 Bn
72 HELE Helen Of Troy Ltd secondary D-06 Household Durables DG-02 0.66 Bn -1.60 0.36 0.64 Bn
73 ONT Onterris, Inc. secondary I-33 Waste Management IG-08 0.63 Bn -57.25 0.81 0.61 Bn
74 BWMX Betterware De Mexico, S.A.P.I. De C.V secondary S-12 Household and Personal Products SG-05 0.59 Bn 10.37 0.58 0.56 Bn
75 CWCO Consolidated Water Co. Ltd. secondary U-07 Regulated Utilities UG-02 0.47 Bn 32.41 3.67 0.34 Bn
76 ACTG Acacia Research Corp secondary F-11 Asset and Wealth Management FG-03 0.44 Bn -29.30 1.59 0.15 Bn
77 HBB Hamilton Beach Brands Holding Co secondary D-06 Household Durables DG-02 0.42 Bn 7.27 0.68 0.32 Bn
78 SGU Star Group, L.P. secondary E-07 Refining and Marketing EG-03 0.42 Bn 4.82 0.22 0.31 Bn
79 ERII Energy Recovery, Inc. secondary I-38 Environmental Equipment IG-09 0.39 Bn 25.60 3.24 0.30 Bn
80 CVEO Civeo Corp secondary I-27 Business Services IG-06 0.37 Bn -28.15 0.55 0.35 Bn
81 CDZI Cadiz Inc secondary I-38 Environmental Equipment IG-09 0.35 Bn -8.53 24.42 0.34 Bn
82 AIRJ AirJoule Technologies Corp. secondary I-38 Environmental Equipment IG-09 0.34 Bn -3.76 — 0.29 Bn
83 LCUT Lifetime Brands, Inc secondary D-06 Household Durables DG-02 0.20 Bn 6.14 0.31 0.20 Bn
84 NNBR Nn Inc secondary I-09 Machinery IG-02 0.19 Bn -4.94 0.42 0.30 Bn
85 SKYX SKYX Platforms Corp. secondary D-32 Retail DG-10 0.19 Bn -3.76 1.43 0.19 Bn
86 AP Ampco Pittsburgh Corp secondary I-09 Machinery IG-02 0.18 Bn -4.12 0.56 0.19 Bn
87 COOK Traeger, Inc. secondary D-06 Household Durables DG-02 0.14 Bn -1.22 0.29 0.08 Bn
88 INV Innventure, Inc. secondary F-11 Asset and Wealth Management FG-03 0.09 Bn -0.14 28.85 0.36 Bn
89 RNGE Range Impact, Inc. secondary R-19 Property Developers RG-05 0.09 Bn 7.38 23.82 0.11 Bn
90 VIOT Viomi Technology Co., Ltd secondary D-06 Household Durables DG-02 0.08 Bn -5.70 0.09 -0.03 Bn
91 GEOS Geospace Technologies Corp secondary I-04 Machinery IG-02 0.07 Bn -1.87 0.76 0.06 Bn
92 FTEK Fuel Tech, Inc. secondary I-37 Environmental Equipment IG-09 0.05 Bn -13.88 1.77 0.03 Bn
93 SAIH SAIHEAT Ltd secondary T-59 Fintech TG-09 0.05 Bn -7.38 10.53 0.05 Bn
94 SCWO 374Water Inc. secondary I-37 Environmental Equipment IG-09 0.04 Bn -2.21 22.86 0.04 Bn
95 NEPH Nephros Inc secondary H-06 Medical Devices and Diagnostics HG-02 0.04 Bn 29.05 2.13 0.04 Bn
96 BEEM Beam Global secondary I-45 Clean Energy Equipment IG-10 0.03 Bn -1.79 1.18 0.03 Bn
97 BCHT Birchtech Corp. secondary I-37 Environmental Equipment IG-09 0.02 Bn -6.72 1.23 0.01 Bn
98 CVAT Cavitation Technologies, Inc. secondary I-04 Machinery IG-02 0.02 Bn -12.87 1,407.82 0.02 Bn
99 CLWT Euro Tech Holdings Co Ltd secondary I-38 Environmental Equipment IG-09 0.01 Bn 8.22 0.93 -0.01 Bn
100 JBDI JBDI Holdings Ltd secondary I-31 Distribution and Rental IG-07 0.01 Bn 91.49 1.40 0.01 Bn
101 LIQT Liqtech International Inc secondary I-37 Environmental Equipment IG-09 0.01 Bn -1.47 0.77 0.00 Bn
102 MSN Emerson Radio Corp secondary D-05 Household Durables DG-02 0.01 Bn -3.87 1.92 0.00 Bn
103 WFF WF Holding Ltd secondary I-09 Machinery IG-02 0.01 Bn -2.19 72.61 0.01 Bn
104 BNET Bion Environmental Technologies Inc secondary M-04 Chemicals MG-01 0.01 Bn -5.45 — 0.01 Bn
105 RAIN Rain Enhancement Technologies Holdco, Inc. secondary I-38 Environmental Equipment IG-09 0.01 Bn -1.57 1,781.09 0.01 Bn
106 FEBO Fenbo Holdings Ltd secondary D-06 Household Durables DG-02 0.01 Bn -6.10 0.78 0.01 Bn
107 ATER Aterian, Inc. secondary D-32 Retail DG-10 0.01 Bn -0.45 0.20 0.00 Bn
108 WKSP Worksport Ltd secondary D-02 Automobiles and Components DG-01 0.01 Bn -0.32 0.36 0.01 Bn
109 GNOLF Genoil Inc secondary E-11 Oilfield Services and Equipment EG-04 0.01 Bn -0.01 — 0.01 Bn
110 QWTR Quest Water Global, Inc. secondary I-38 Environmental Equipment IG-09 0.00 Bn 5.08 — 0.00 Bn
111 IVDA Iveda Solutions, Inc. secondary T-41 Infrastructure Software TG-06 0.00 Bn -1.12 0.82 0.00 Bn
112 CAPC Capstone Companies, Inc. secondary D-05 Household Durables DG-02 0.00 Bn -2.18 — 0.00 Bn
113 DXST Decent Holding Inc. secondary I-38 Environmental Equipment IG-09 0.00 Bn — — 0.00 Bn
114 FUNI Hypha Labs, Inc. secondary D-06 Household Durables DG-02 0.00 Bn -0.86 — 0.00 Bn
115 CETI Cyber Enviro-Tech, Inc. secondary I-38 Environmental Equipment IG-09 0.00 Bn -0.19 151.31 0.00 Bn
116 SLND-WT Southland Holdings, Inc. secondary I-15 Construction Services IG-04 0.00 Bn 0.00 0.00 -0.04 Bn
117 RETO ReTo Eco-Solutions, Inc. secondary I-34 Waste Management IG-08 0.00 Bn -0.46 3.46 -5.97 Bn
118 CDTG CDT Environmental Technology Investment Holdings Ltd secondary I-38 Environmental Equipment IG-09 0.00 Bn -0.06 0.04 0.00 Bn