Lennox

Name

Lennox

Legal name

Lennox International Inc.

Website

https://lennoxcommercial.com

Company type

Public

Founded year

1895

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Heating, Ventilation, and Air Conditioning (HVAC) Equipment Manufacturing

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)

akta.pro primary industry

HVAC Equipment (Heating, Cooling & Air Handling) (IMAHAKAB)

Keywords

• HVAC equipment manufacturing
• Residential heating cooling
• Commercial rooftop units
• Smart thermostat technology
• Energy-efficient climate control

Headquarters

HQ city

Richardson

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. HVAC Equipment Sales: Lennox generates the majority of its revenue through the sale of heating, ventilation, air conditioning, and refrigeration equipment including heat pumps, gas furnaces, commercial rooftop units, VRF systems, and parts/supplies to residential and commercial customers through its dealer and contractor network.
2. Commercial Parts and Accessories: Following acquisitions of Duro Dyne and Supco brands through NSI Industries, Lennox expanded its parts and supplies portfolio for residential and commercial HVAC customers. Parts are distributed through LennoxPros platform with same-day or next-day delivery for emergency replacement.
3. Commercial Services and Support: Lennox provides commercial HVAC services including National Account Services, technical support, and training for contractors and technicians. The company hosts an Investor Day and maintains a commercial parts availability expansion program.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels7 records

Core offering

Lennox designs, manufactures, and distributes energy-efficient heating, ventilation, air conditioning, and refrigeration (HVACR) equipment for residential and commercial customers. Its core product lines include heat pumps, gas furnaces, smart thermostats, indoor air quality systems, commercial rooftop units, and Varix VRF systems, sold through a North American dealer/contractor network and the LennoxPros commercial e-commerce platform, supplemented by joint-venture water heating (Ariston) and VRF (Samsung) offerings.

Product overview

Lennox offers a comprehensive portfolio of residential and commercial HVAC products under its core Dave Lennox Signature Collection brand, complemented by acquired brands (Comfort-Aire, Century, DuroDyne, Supco) and the Ariston water heater joint venture. The product lineup centers on heat pumps, gas furnaces (up to 99% efficiency), smart thermostats (L40, S40), commercial rooftop units (Xion, Raider), Varix VRF systems through the Samsung partnership, and the newly launched Ariston water heater line (Power Vent, Heat Pump, Top Connect). These products integrate through the Lennox Home app and smart home platforms (HomeKit, SmartThings, Alexa, Google Assistant) to deliver connected whole-home comfort solutions.

Differentiator

Problem solved

Functional benefit

Brands

• Dave Lennox Signature Collection: Premium residential HVAC product line including cold climate heat pumps and gas furnaces
• Varix VRF Systems
• Comfort-Aire
• Century
• Duro Dyne
• Supco
• Ultimate Comfort System
• L40 Smart Thermostat
• Cala

Products and services

• Dave Lennox Signature Collection Cold Climate Heat Pump (SL22KLV)
• Dave Lennox Signature SLP99VK Gas Furnace
• SL25XPV Heat Pump
• L40 Smart Thermostat
• S40 Smart Thermostat
• PureAir S Air Purification System
• Varix VRF Systems
• Xion Rooftop Units
• Raider Rooftop Units
• Ariston Power Vent Water Heaters
• Ariston Heat Pump Water Heaters
• Ariston Top Connect Water Heaters
• Cala Smart Water Heater
• Comfort-Aire Brand HVAC Equipment
• Century Brand HVAC Equipment
• DuroDyne HVAC Parts and Supplies
• Supco HVACR Parts and Supplies

Quantifiable outcome

• First quarter 2026 revenue of $1.1 billion, up 6% year-over-year
• +4 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability3 records

Feature6 records

Partnerships

Four partnerships are on record, tiered core.

• Ariston GroupcoreStrategic or Co-development Partner · 16 March 2026Lennox entered into a joint venture with Ariston Group to launch a comprehensive range of residential gas, electric, and heat pump water heaters across North America. The partnership combines Lennox's established residential dealer network with Ariston Group's global expertise in water heating technology. Dealer orders began March 16, 2026. The expansion marks a strategic step in Lennox's connected whole-home comfort ecosystem, enabling dealers to source both HVAC systems and water heaters together. Dealer response has been overwhelmingly positive with sales exceeding initial projections and heightened interest in sourcing multiple product categories.
• NSI Industries (HVAC Division — Duro Dyne and Supco brands)coreOEM/ Whitelabel/ Licensing Partner · 18 August 2025Lennox acquired the HVAC division of NSI Industries for approximately $550 million, adding the Duro Dyne and Supco brand platforms to its portfolio. The acquisition strengthens Lennox's parts and supplies offerings for residential and commercial HVAC customers across North America. Sentinel Capital Partners was the seller. The acquisition was completed in Q4 2025, enhancing Lennox's digital and distribution capabilities in the HVAC parts and supplies segment.
• Samsung ElectronicscoreStrategic or Co-development PartnerLennox and Samsung operate a joint venture under the 'Lennox powered by Samsung' brand, offering Varix VRF (Variable Refrigerant Flow) systems that combine Lennox's direct service and support with Samsung's innovative ductless technology for commercial applications. Samsung is targeting the North American HVAC market projected to grow 5% annually, leveraging the Lennox partnership for residential distribution and combining it with its FläktGroup acquisition for commercial and data center cooling solutions. The JV delivers forward-thinking solutions to North America for efficiency, control, and flexibility needs.
• Heat ControllercoreOEM/ Whitelabel/ Licensing PartnerLennox has signed a definitive agreement to acquire Heat Controller, a leading HVAC equipment supplier headquartered in Jackson, Michigan, serving distributors across North America through its Comfort-Aire and Century brands. The acquisition is expected to expand Lennox's ability to serve small and mid-size HVAC distributors and create new growth opportunities in the North American HVAC market. Heat Controller will continue to operate under its Comfort-Aire and Century brands as part of Lennox's platform. The transaction is expected to close later in 2026, subject to customary closing conditions and regulatory approvals.

Scale indicators8 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Trane Technologies: Trane Technologies is a global climate solutions leader producing HVAC equipment, controls, and services for residential, commercial, and industrial markets. It is a direct competitor to Lennox in commercial rooftop units, chillers, and applied HVAC systems, and is one of the seven defendants in the HVAC price-fixing class action.
• Carrier Global: Carrier is one of the world's largest HVAC manufacturers offering residential, commercial, and industrial climate solutions including the Carrier, Bryant, Payne, and Tempstar brands. It competes head-to-head with Lennox across virtually every product category and is a co-defendant in the price-fixing litigation.
• Daikin: Daikin is the world's largest HVAC manufacturer with a strong global VRF and ductless portfolio and a growing North American presence through Daikin Comfort Technologies. It competes with Lennox's Varix VRF systems and is a named co-defendant in the HVAC price-fixing lawsuits.
• Bosch Home Comfort (Thermotechnology): Bosch Home Comfort manufactures residential and light commercial HVAC and water heating products under Bosch, Buderus, and FHP brands. It directly competes with Lennox in residential heat pumps, furnaces, and water heaters, and is named in the price-fixing litigation.
• Johnson Controls: Johnson Controls is a global building technology company producing HVAC equipment, building automation systems, and controls. It competes with Lennox in commercial HVAC and competes for the same smart building, controls, and contractor-led installation opportunities.
• Midea Group: Midea is a major global HVAC and appliance manufacturer with growing North American presence through brands including Carrier Midea India joint venture and Toshiba carrier. It competes broadly with Lennox in residential HVAC and is expanding VRF and ductless offerings in North America.

Direct peers

• Rheem Manufacturing: Rheem is a major U.S. manufacturer of HVAC and water heating products, directly competing with Lennox in residential and light commercial HVAC and now also in water heating (Lennox's Ariston JV territory). Rheem is a co-defendant in the price-fixing lawsuits.
• AAON: AAON designs, manufactures, and sells commercial HVAC equipment including rooftop units and heat exchangers. It is a direct competitor to Lennox in light commercial rooftop units and is a named co-defendant in the price-fixing lawsuits.
• Goodman Manufacturing (Daikin subsidiary): Goodman is a major residential and light commercial HVAC manufacturer owned by Daikin, selling through distribution. It competes directly with Lennox's residential systems via different distribution channels and competes for the same contractor base.
• Mitsubishi Electric Trane HVAC US: Mitsubishi Electric Trane is the joint venture between Mitsubishi Electric and Trane for ductless and VRF systems in North America. It directly competes with Lennox's Varix VRF systems in the commercial ductless segment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCBRbjhSvpgT_qjQcGsHX_cQ
• LinkedInlinkedin.com/company/lennox-commercial-hvac
• Xx.com/lennoxcomm

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Lennox