Business Details
Natural Refrigeration Systems by M&M Carnot
At M&M Carnot, we are dedicated to advancing natural refrigeration solutions that prioritize environmental sustainability and operational efficiency. With decades of expertise in ammonia and CO2-based systems, we design and manufacture innovative refrigeration technologies for industrial, commercial, and recreational applications. Our commitment to reducing global carbon footprints drives our development of eco-friendly systems that replace synthetic refrigerants with natural alternatives. As a North American leader, we deliver engineered field-erected systems, packaged solutions, and advanced controls tailored to diverse client needs. Our team combines technical excellence with a deep understanding of industry challenges to provide safe, energy-efficient refrigeration that supports long-term sustainability goals. Through continuous innovation, we have displaced over 1.1 million metric tons of CO2 equivalent emissions, demonstrating measurable environmental impact.Our partnerships and certifications validate our technical capabilities and dedication to responsible engineering practices. By focusing on rapid ROI through energy savings, we help businesses achieve both economic and ecological objectives. Our leadership in transcritical CO2 and ammonia refrigeration technologies positions us as pioneers in sustainable cooling solutions. With a client-centric approach, we ensure every project aligns with the highest standards of performance and environmental stewardship.
Services
Field-Erected Systems
Packaged Systems
Controls
Ammonia Refrigeration
Transcritical CO2
Highlights and features
- We offer 50+ years of ammonia refrigeration expertise
- North America's most experienced transcritical CO2 refrigeration provider
- Developed industry standards for CO2 cascade systems
- Committed to displacing synthetic refrigerants with natural alternatives
- Engineered systems reduce power usage by up to 30%
Associations and certifications
- ATMO Approved Partnership
Services
Field-Erected Systems
Engineered refrigeration systems built on-site for large-scale industrial applications. These custom solutions optimize space utilization while maintaining maximum cooling efficiency. Designed for long-term reliability in demanding environments like food processing plants and cold storage facilities.
Packaged Systems
Factory-assembled refrigeration units offering quick installation and standardized performance. Ideal for commercial applications requiring consistent temperature control with minimal on-site construction. Includes integrated controls and energy-efficient components for reduced operational costs.
Ammonia Refrigeration
Industrial cooling solutions using natural ammonia refrigerant with zero ozone depletion potential. Our systems incorporate advanced safety features while delivering superior thermal efficiency. Specialized in large-scale applications requiring high-capacity cooling with minimal environmental impact.
Transcritical CO2
High-efficiency refrigeration technology utilizing carbon dioxide as a natural refrigerant. Particularly effective in medium-temperature applications like supermarkets and cold storage warehouses. Our systems maintain optimal performance across varying climate conditions while reducing greenhouse gas emissions.
Controls
Advanced control systems for monitoring and optimizing refrigeration performance. Features include real-time data analytics, energy consumption tracking, and predictive maintenance alerts. Designed to integrate seamlessly with both new and existing refrigeration infrastructure for enhanced operational efficiency.
People
John Miranda
Chief Sales Officer
With extensive industry experience, John leads sales strategy and client relations at M&M Carnot. He specializes in matching complex refrigeration needs with customized solutions that balance performance and sustainability.
Questions
What natural refrigerants do you use?
We specialize in ammonia (NH3), transcritical CO2, and ammonia-CO2 cascade systems that offer zero ozone depletion potential.
What industries do you serve?
We provide solutions for industrial (food processing, cold storage), commercial (supermarkets), recreational (ice rinks), and data center applications.
How do your systems reduce environmental impact?
Our natural refrigerants eliminate synthetic greenhouse gases while engineered designs reduce energy consumption by up to 30% compared to traditional systems.
What makes you a leader in CO2 refrigeration?
With 15+ years of experience, we've developed North America's most advanced transcritical CO2 systems and set industry standards for cascade configurations.
Can you handle large-scale projects?
Yes, we design and implement field-erected systems for major industrial facilities, including complete engineering, manufacturing, and on-site construction.
