Carnot Réfrigération
M&M Carnot is a North American manufacturer of industrial refrigeration equipment, designing, building, and servicing natural-refrigerant systems (ammonia, transcritical CO2, ammonia/CO2 cascade) for industrial, commercial, recreational, and data center customers. It now operates as a product line of Johnson Controls following its June 2023 acquisition.
- Company typePrivate
- Founded1970
- HeadquartersTrois-rivières, Canada
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What Carnot Réfrigération does
M&M Carnot (formerly Carnot Réfrigération) designs, manufactures, builds, and services industrial refrigeration equipment and controls for North American enterprise customers, with a specialization in natural refrigerants — ammonia (NH3), transcritical CO2, and ammonia/CO2 cascade systems. Founded in 1970 and headquartered in North America, the company has accumulated more than 50 years of ammonia refrigeration experience and more than 15 years of transcritical CO2 experience, positioning itself as the most experienced transcritical CO2 provider in the region and as the originator of the standard for large industrial CO2 cascade systems. Following its acquisition by Johnson Controls on June 21, 2023, M&M Carnot operates as a product line within Johnson Controls' building technologies portfolio while retaining its dedicated brand and domain focus; it holds ATMO Approved (2023) certification for environmentally sustainable natural refrigeration, and reports that 2022 installed equipment displaced 1,180,501 metric tons of CO2e.
The company's product offering is organized around three system categories: standardized packaged units for commercial and industrial sites, custom-engineered field-erected systems for large and complex installations, and a Controls portfolio spanning facility, package, and general controls for managing refrigeration operations. It sells primarily to four verticals — industrial (food and beverage processing, cold storage, breweries, manufacturing cooling), commercial (grocery retail), recreational (ice rinks and sports facilities), and data centers — with publicly named reference customers including Canneberges Bécancour (cranberry processing), Whole Foods Market (grocery retail), Dollard des Ormeaux Sports Center (municipal sports/recreation), and TELUS (telecommunications/data center cooling).
M&M Carnot generates revenue mainly through project-based equipment sales (hardware) supplemented by ongoing service and maintenance contracts for the installed base; pricing is project-specific and not publicly disclosed. The company runs an enterprise field-sales motion targeting complex engineered projects alongside standardized packaged offerings, led by a Chief Sales Officer (John Miranda), and uses B2B content marketing — case studies, industry pages, and press coverage — as its primary demand-generation channel. As a Johnson Controls product line, it now leverages the parent's broader sales, service, and controls infrastructure across the North American market.
Carnot Réfrigération firmographics
Firmographics- Name
- Carnot Réfrigération
- Legal name
- M&M Carnot
- Website
- https://carnotrefrigeration.com
- Company type
- Private
- Founded year
- 1970
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- M&M Carnot is a North American manufacturer of industrial refrigeration equipment, designing, building, and servicing natural-refrigerant systems (ammonia, transcritical CO2, ammonia/CO2 cascade) for industrial, commercial, recreational, and data center customers. It now operates as a product line of Johnson Controls following its June 2023 acquisition.
- Ownership category
- akta.pro rank
Carnot Réfrigération industry classification
Industry- Product category
- Industrial Refrigeration Equipment
- NAICS
- Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Refrigeration Equipment and Supplies Merchant Wholesalers (423740)
- SIC
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Auto Controls For Regulating Residential & Comml Environments (3822), General Industrial Machinery & Equipment (3560)
- akta.pro primary industry
- Commercial & Industrial Refrigeration Systems (IMAHAKAA)
- akta.pro secondary industries
- Compressors, Refrigeration Components & Condensing Units (IMADANAG), Refrigeration Components & Controls (Compressors, Valves, Sensors) (IMAHAKAH)
Keywords
Where Carnot Réfrigération is headquartered
LocationHeadquarters
- HQ city
- Trois-rivières
- HQ country
- Canada
- HQ region
- North America
Markets served
Carnot Réfrigération business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Industrial Refrigeration Equipment Sales: Design, manufacture, and sale of industrial refrigeration systems including field-erected systems and packaged solutions. Revenue is generated through equipment sales and installation services for large-scale refrigeration projects.
- Refrigeration Controls Solutions: Sale of control systems for refrigeration management across facility, package, and general control applications.
- Service and Maintenance: Service operations supporting installed equipment and systems throughout their lifecycle.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels4 records
Carnot Réfrigération product offering
Product offeringCore offering
M&M Carnot designs, manufactures, builds, and services natural refrigeration equipment and controls for North American industrial, commercial, recreational, and data center customers. The portfolio includes Packaged Systems (standard scalable cooling units), Field-Erected Systems (custom-engineered large-scale on-site refrigeration), and Controls (Facility, Package, and general Controls). All systems are powered by natural refrigerants — Ammonia, Cascade Ammonia-CO2, and Transcritical CO2 — offered as environmentally sustainable alternatives to synthetic refrigerants.
Product overview
M&M Carnot is a North American leader in natural refrigeration solutions, now a product line of Johnson Controls. The company offers a portfolio of refrigeration products consisting of Packaged Systems (standard units for scalable cooling), Field-Erected Systems (custom large-scale on-site built configurations), and Controls (Facility, Package, and general Controls). These core product lines are powered by three natural refrigerant technologies: Ammonia (50+ years of experience), Transcritical CO2 (15+ years of experience), and Ammonia/CO2 Cascade systems (industry standard). The company serves Industrial, Commercial, Recreational, and Data Center industries with a focus on energy savings and rapid ROI.
Differentiator
Problem solved
Functional benefit
Products and services
- Packaged Systems
Quantifiable outcome
- Displaced 1,180,501 metric tons of CO2e in 2022
- +2 more outcomes
Companies that use Carnot Réfrigération
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles4 records
Carnot Réfrigération technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Carnot Réfrigération partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Johnson ControlscoreM&M Carnot became a product line of Johnson Controls following the acquisition announced on June 21, 2023. Johnson Controls is a global leader in building technologies and industrial refrigeration solutions. This acquisition integrates M&M Carnot's natural refrigeration expertise with Johnson Controls' broader portfolio of smart, healthy, and sustainable building solutions.
Scale indicators4 records
Recent moves3 records
Expansion highlights5 records
Carnot Réfrigération competitors and assessment
Company assessmentOthers
- Danfoss: Danish supplier of refrigeration components, controls, and compressors with strong CO2 and natural-refrigerant product lines. Adjacent competitor and ecosystem partner to M&M Carnot, supplying parts into systems similar to those M&M Carnot manufactures.
Direct peers
- Heatcraft Refrigeration Products: North American commercial refrigeration equipment manufacturer (a division of Lennox International) serving food retail, cold storage, and foodservice. Closest U.S. mid-market competitor in packaged refrigeration systems, with overlapping grocery and cold-chain customers.
- Bitzer: German manufacturer of refrigeration compressors and systems, including CO2 (transcritical) and ammonia-compatible solutions. Directly comparable in industrial refrigeration component and system technology serving the same regulated, sustainability-driven end markets.
- GEA Group: German industrial refrigeration specialist with a broad portfolio of ammonia and CO2 systems for food processing, cold storage, and dairy — the closest direct competitor to M&M Carnot in engineered industrial refrigeration and natural-refrigerant technology.
- Mayekawa (Mycom): Japanese industrial refrigeration manufacturer with deep ammonia and natural-refrigerant expertise, particularly strong in food processing and cold storage. Directly comparable product technology and end-market overlap with M&M Carnot.
Regional players
- Star Refrigeration: UK-based independent industrial refrigeration specialist with strong ammonia and CO2 expertise. Comparable in technology approach (natural refrigerants) and project-based engineered-system delivery, but primarily serves Europe rather than North America.
Broad incumbents
- Carrier Global Corporation: Global HVAC and refrigeration incumbent with commercial and industrial refrigeration systems. Comparable in serving food retail, cold storage, and data center cooling end-markets, although Carrier's portfolio emphasizes HFC-based systems rather than M&M Carnot's natural-refrigerant focus.
- Johnson Controls: Global building technologies and industrial refrigeration major that acquired M&M Carnot in June 2023. Operates York and Sabroe refrigeration brands across HVAC and industrial cooling, providing direct overlap in industrial refrigeration systems and a broader portfolio than M&M Carnot's natural-refrigerant specialization.
- Trane Technologies: Major HVAC and commercial refrigeration manufacturer serving industrial, commercial, and institutional customers. Comparable in addressing large-scale cooling needs and increasingly positioning around low-GWP refrigerants in response to regulation.
- Emerson (Climate Technologies): Major supplier of refrigeration compressors, controls, and components for industrial and commercial applications. Overlaps with M&M Carnot's controls product line and competes indirectly across the refrigeration value chain.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
Carnot Réfrigération social profiles
Digital presenceCarnot Réfrigération compliance and trust
Trust signalCompliance1 record
Carnot Réfrigération financial estimates
Financial estimateRevenue estimate
Valuation estimate
Carnot Réfrigération leadership team
Management profileNumber of profiles
Profiles1 record
Carnot Réfrigération funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Carnot Réfrigération M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Carnot Réfrigération
What does Carnot Réfrigération do?
M&M Carnot designs, manufactures, builds, and services natural refrigeration equipment and controls for North American industrial, commercial, recreational, and data center customers. The portfolio includes Packaged Systems (standard scalable cooling units), Field-Erected Systems (custom-engineered large-scale on-site refrigeration), and Controls (Facility, Package, and general Controls). All systems are powered by natural refrigerants — Ammonia, Cascade Ammonia-CO2, and Transcritical CO2 — offered as environmentally sustainable alternatives to synthetic refrigerants.
Is Carnot Réfrigération a public or private company?
Carnot Réfrigération is a private company. It is classified as corporate owned and is currently operating.
When was Carnot Réfrigération founded?
Carnot Réfrigération was founded in 1970. It employs 51 to 100 people.
Where is Carnot Réfrigération based?
Carnot Réfrigération is headquartered in Trois-rivières, Canada, in the North America region.
How does Carnot Réfrigération make money?
Three revenue lines are on record. Industrial Refrigeration Equipment Sales are the primary driver. The others are refrigeration Controls Solutions and service and Maintenance.
Who are Carnot Réfrigération's main competitors?
Danfoss is listed as an others. Direct peers are Heatcraft Refrigeration Products, Bitzer, GEA Group and Mayekawa (Mycom). Star Refrigeration is listed as a regional player. Broad incumbents are Carrier Global Corporation, Johnson Controls, Trane Technologies and Emerson (Climate Technologies).
Does Carnot Réfrigération have an API?
No public API is recorded for Carnot Réfrigération.
What industry is Carnot Réfrigération in?
Carnot Réfrigération's product category is Industrial Refrigeration Equipment. Its primary akta.pro industry code is IMAHAKAA, Commercial & Industrial Refrigeration Systems, with a secondary code of IMADANAG, Compressors, Refrigeration Components & Condensing Units. Its NAICS code is 33341 and its SIC code is 3585.