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Lennox International

Verified

Strategic

Richardson, TX, US Founded 1895 Website
Hvac

HVAC equipment manufacturer; owned Service Experts 2000-2013 before divesting to American Capital.

Headquarters

US hq by state Alaska: no recorded hq Alabama: no recorded hq Arkansas: no recorded hq Arizona: no recorded hq California: no recorded hq Colorado: no recorded hq Connecticut: no recorded hq District of Columbia: no recorded hq Delaware: no recorded hq Florida: no recorded hq Georgia: no recorded hq Hawaii: no recorded hq Iowa: no recorded hq Idaho: no recorded hq Illinois: no recorded hq Indiana: no recorded hq Kansas: no recorded hq Kentucky: no recorded hq Louisiana: no recorded hq Massachusetts: no recorded hq Maryland: no recorded hq Maine: no recorded hq Michigan: no recorded hq Minnesota: no recorded hq Missouri: no recorded hq Mississippi: no recorded hq Montana: no recorded hq North Carolina: no recorded hq North Dakota: no recorded hq Nebraska: no recorded hq New Hampshire: no recorded hq New Jersey: no recorded hq New Mexico: no recorded hq Nevada: no recorded hq New York: no recorded hq Ohio: no recorded hq Oklahoma: no recorded hq Oregon: no recorded hq Pennsylvania: no recorded hq Rhode Island: no recorded hq South Carolina: no recorded hq South Dakota: no recorded hq Tennessee: no recorded hq Texas: 1 hq Utah: no recorded hq Virginia: no recorded hq Vermont: no recorded hq Washington: no recorded hq Wisconsin: no recorded hq West Virginia: no recorded hq Wyoming: no recorded hq
Headquarters: Richardson, TX, US.

Ownership map

Ownership links are documented, evidence-gated edges, shown as reported by their sources. Naming a company is not an accusation against it. See our methodology and legal notes.

Ownership map for Lennox InternationalDivestedDivestedFormerly Known AsPart OfPart OfPart OfPart OfPart Ofbacked bybacked bybacked bybacked bybacked bybacked bymerged withparent ofparent ofparent ofparent ofparent ofrolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intorolled up intoA-Plus Air Conditioning & Heating Co.: Operating CompanyA-Plus Air Conditioni…APCO Inc.: Operating CompanyAPCO Inc.Admiral Plumbing Services: Operating CompanyAdmiral Plumbing Serv…Allied Air Enterprises Inc.: Operating CompanyAAAllied Air Enterprise…American Capital Ltd.: Pe FirmACAmerican Capital Ltd.Arpi's Industries: Operating CompanyArpi's IndustriesAudax Group: Pe FirmAGAudax GroupBrookfield Infrastructure: Pe FirmBIBrookfield Infrastruc…Climate Technology Corp. (CTC): Operating CompanyCTClimate Technology Co…Duro Dyne Corp.: Operating CompanyDuro Dyne Corp.Enercare Home Services: PlatformEHEnercare Home ServicesEnercare Inc.: Operating CompanyEIEnercare Inc.Enercare Solutions: Operating CompanyESEnercare SolutionsHVAC Division: Operating CompanyHDHVAC DivisionHeat Controller Inc.: PlatformHCHeat Controller Inc.HomeServe USA: PlatformHUHomeServe USAJones Heating & Air Co.: Operating CompanyJones Heating & Air C…Kysor/Warren: Operating CompanyKWKysor/WarrenLennox International: StrategicLILennox InternationalLevy & Son Plumbing Inc.: Operating CompanyLSLevy & Son Plumbing I…MARS: Operating CompanyMARSMARS (Motors and Armatures): Operating CompanyMMMARS (Motors and Arma…Metallics: Operating CompanyMEMetallicsMidway Services: Operating CompanyMSMidway ServicesNSI Industries: PlatformNSI IndustriesNational Appliance Parts Co. Inc.: Operating CompanyNANational Appliance Pa…Odyssey Investment Partners: Pe FirmOIOdyssey Investment Pa…Platinum Equity: Pe FirmPEPlatinum EquitySE Holdco LLC: PlatformSHSE Holdco LLCSUPCO: Operating CompanySUPCOSealed Unit Parts Co. Inc.: PlatformSUSealed Unit Parts Co.…Sealed Unit Parts Co. Inc. (SUPCO): Operating CompanySealed Unit Parts Co.…Sentinel Capital Partners: Pe FirmSCSentinel Capital Part…Service Experts: PlatformSEService ExpertsService Experts East Bay: Operating CompanySEService Experts East …Stallion Heating, Plumbing & Air Conditioning: Operating CompanySHStallion Heating, Plu…The Manitowoc Company Inc.: PlatformTMThe Manitowoc Company…The Pink Plumber: Operating CompanyTPThe Pink PlumberZephyr Components Inc.: Operating CompanyZCZephyr Components Inc.
Operating CompanyPe FirmPlatformStrategic

Ownership

Ownership links are documented, evidence-gated edges, shown as reported by their sources. A verified mark denotes an independently corroborated edge; links shown as reported are drawn as their sources record them and are not independently corroborated. Naming a company is not an accusation against it. See our methodology and legal notes.

Market signals

Acquisition history

Acquisition timeline20002003200620092012201520182021202420262000 · Majority stake → Service Experts2010 · Majority stake → Kysor/Warren (verified)2012 · Exit → Service Experts (verified)2023 · Majority stake → Arpi's Industries2025 · Majority stake → Duro Dyne Corp.2025 · Majority stake → NSI Industries (verified)2025 · Majority stake → SUPCO2025 · Exit → NSI Industries2026 · Majority stake → Heat Controller Inc. (verified)
9 recorded deals, 2000–2026verifiedunverified

Acquisition footprint

US acquired companies by state Alaska: no recorded acquired companies Alabama: no recorded acquired companies Arkansas: no recorded acquired companies Arizona: no recorded acquired companies California: no recorded acquired companies Colorado: no recorded acquired companies Connecticut: no recorded acquired companies District of Columbia: no recorded acquired companies Delaware: no recorded acquired companies Florida: no recorded acquired companies Georgia: no recorded acquired companies Hawaii: no recorded acquired companies Iowa: no recorded acquired companies Idaho: no recorded acquired companies Illinois: no recorded acquired companies Indiana: no recorded acquired companies Kansas: no recorded acquired companies Kentucky: no recorded acquired companies Louisiana: no recorded acquired companies Massachusetts: no recorded acquired companies Maryland: no recorded acquired companies Maine: no recorded acquired companies Michigan: 1 acquired companies Minnesota: no recorded acquired companies Missouri: no recorded acquired companies Mississippi: no recorded acquired companies Montana: no recorded acquired companies North Carolina: no recorded acquired companies North Dakota: no recorded acquired companies Nebraska: no recorded acquired companies New Hampshire: no recorded acquired companies New Jersey: 1 acquired companies New Mexico: no recorded acquired companies Nevada: no recorded acquired companies New York: 1 acquired companies Ohio: no recorded acquired companies Oklahoma: no recorded acquired companies Oregon: no recorded acquired companies Pennsylvania: no recorded acquired companies Rhode Island: no recorded acquired companies South Carolina: no recorded acquired companies South Dakota: no recorded acquired companies Tennessee: no recorded acquired companies Texas: 3 acquired companies Utah: no recorded acquired companies Virginia: no recorded acquired companies Vermont: no recorded acquired companies Washington: no recorded acquired companies Wisconsin: no recorded acquired companies West Virginia: no recorded acquired companies Wyoming: no recorded acquired companies
  1. 1. Texas 3
  2. 2. Michigan 1
  3. 3. New Jersey 1
  4. 4. New York 1
1–4 5–14 15–39 40–79 80+ no recorded acquired companies
Where the brands Lennox International acquired are headquartered, by US state. A count of targets, not a market-share claim.

Deals

Majority stake New Jun 2026
Verified

Lennox International to Acquire Heat Controller

Lennox International → Heat Controller Inc.
Majority stake Aug 2025

Lennox to Acquire NSI Industries' HVAC Division from Sentinel Capital Partners

Lennox International → Duro Dyne Corp.
$550M reported total consideration · approximateas reported by rses.org
Majority stake Aug 2025
Verified

Lennox to acquire HVAC division of NSI Industries from Sentinel Capital Partners for ~$550M

Lennox International → NSI Industries
$550M reported total consideration · approximateas reported by contractingbusiness.com
Majority stake Aug 2025

Lennox to Acquire NSI Industries' HVAC Division from Sentinel Capital Partners

Lennox International → SUPCO
$550M reported total consideration · approximateas reported by rses.org
Majority stake Dec 2010
Verified

Lennox International to Acquire Kysor/Warren from Manitowoc

Lennox International → Kysor/Warren
$138M reported total considerationas reported by achrnews.com
Majority stake Jan 2000

Lennox International acquires Service Experts

Lennox International → Service Experts
Majority stake Dec 2023

Lennox acquired Arpi's Industries (1999)

Lennox International → Arpi's Industries
Exit Oct 2025

Sentinel Capital sells NSI Industries' HVAC division to Lennox for $550M

Lennox International → NSI Industries
$550M reported total considerationas reported by hvacinsider.com
Exit Sep 2012
Verified

Lennox announces plans to divest Service Experts

Lennox International → Service Experts