Dorin

What Dorin does

Officine Mario Dorin S.p.A. ("Dorin") is a privately held, family-owned Italian industrial manufacturer of refrigeration and air-conditioning compressors, headquartered in Compiobbi (Florence), Italy. Founded in 1918 as a machine-tool and engine-repair workshop, the company pivoted to open-type refrigeration compressors in 1932 and added semi-hermetic reciprocating compressors in 1952, which remain its core product line. Dorin serves B2B customers across commercial refrigeration (supermarkets, hypermarkets, logistics), industrial refrigeration (food processing, pharmaceutical freeze-drying, hydrocarbon transport), rail and marine transport, and the ice-cream and distribution segments.

The product portfolio spans semi-hermetic single- and double-stage compressors, tandem configurations, open-type compressors, and air-cooled, water-cooled, and remote condensing units, together with specialty sub-brands including the frequency-modulation-controlled Series HI/Series H (H2–H7) and CO2 compressors for transcritical and subcritical applications. The underlying technology is reciprocating/piston compression; Dorin produces approximately 50,000 piston compressors per year from a roughly 20,000-square-meter facility housing its R&D and QC center. Since 2004 the company has positioned itself as a leading reference manufacturer of CO2 transcritical compressors, and it holds an extensive certification stack (ISO 9001/14001/45001, CE, CSA/UL, CCC, ATEX).

Dorin operates a sales-led, hardware-sales business model, generating revenue through the manufacture and sale of compressors and condensing units. Go-to-market combines direct sales to large OEM and industrial accounts with a worldwide authorized distributor network (supported by a "Where to Buy" locator) and an RCA (Compressor Return Authorization) after-sales service. Pricing is not publicly disclosed and is quote-based, negotiated directly or through distributors. The company reports a registered share capital of €3,960,000, employs an estimated 101–250 people, and markets its products across Europe, Asia (China), and North America (USA).

Name

Dorin

Legal name

Officine Mario Dorin S.p.A.

Website

https://dorin.com

Company type

Private

Founded year

1918

Operating status

Operating

Headcount range

101–250 employees

Short description

Dorin (Officine Mario Dorin S.p.A.) is an Italian, family-owned manufacturer of refrigeration and air-conditioning compressors—semi-hermetic, open-type, tandem, and CO2 transcritical—and condensing units, serving commercial, industrial, transport, marine, and food-sector B2B customers via direct sales and distributors.

Ownership category

akta.pro rank

Product category

Industrial Refrigeration Compressors

NAICS

Pump and Compressor Manufacturing (33391), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Refrigeration & Service Industry Machinery (3580)

akta.pro primary industry

Compressors, Refrigeration Components & Condensing Units (IMADANAG)

Keywords

• Refrigeration compressors
• Semi-hermetic compressors
• Open-type compressors
• Condensing units
• CO2 transcritical compressors

Headquarters

HQ city

Compiobbi

HQ country

Italy

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Compressor and Condensing Unit Sales: Dorin generates revenue through the manufacture and sale of refrigeration compressors (semi-hermetic, open type, double-stage, tandem configurations) and condensing units (air-cooled, water-cooled, remote-condensing). Products are sold directly and through distributor networks to industrial and commercial customers.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels6 records

Core offering

Dorin manufactures and sells reciprocating refrigeration and air-conditioning compressors, including semi-hermetic, semi-hermetic double-stage, tandem, and open-type configurations, as well as air-cooled, water-cooled, and remote condensing units. Specialty lines include CO2 transcritical and subcritical compressors and the frequency-modulation-enabled Series H and HI compressors. Products are sold to commercial, industrial, transport, agri-food, pharmaceutical, and marine customers via direct sales and an international authorized distributor network.

Product overview

Dorin (Officine Mario Dorin S.p.A.) is an Italian manufacturer offering a complete and diversified portfolio of refrigeration and air conditioning compressors since 1932. The product line centers on semi-hermetic reciprocating compressors (including single-stage and double-stage variants), open-type compressors, tandem configurations, and condensing units (air-cooled, water-cooled, and remote). Specialty sub-brands include Series HI (frequency modulation-enabled) and the broader Series H lineup (H2 through H7), plus CO2-specific compressors for transcritical applications. Production capacity reaches approximately 50,000 piston compressors annually.

Differentiator

Problem solved

Functional benefit

Products and services

• Semi-hermetic Compressors Semi-hermetic reciprocating compressors for air conditioning and refrigeration applications; Dorin's core product line since 1952, sold to commercial and industrial refrigeration customers.
• Semi-Hermetic Double Stage Compressors

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature5 records

Partnerships

Six partnerships are on record, tiered minor and core.

• ASERCOMminorOthersAssociation of European Refrigeration Component Manufacturers. Dorin maintains affiliation for industry standards and networking within the refrigeration sector.
• Centro GalileominorOthersItalian technical and training center for refrigeration. Dorin affiliation for technical collaboration and industry expertise.
• ANIMA AssofoodtecminorOthersItalian association for food technology equipment manufacturers. Dorin affiliation within the food processing equipment sector.
• ZVKKWminorOthersGerman refrigeration and air conditioning association. Dorin international affiliation for European market presence.
• AssofrigoristiminorOthersItalian association of refrigeration installers and technicians. Dorin maintains industry relationship for market presence.
• Lloyd's Register Quality AssurancecoreTechnology or IntegrationCertification body providing ISO 9001 quality system certification (Certificate No. 170 322 LRC) for Dorin's production and quality management systems.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Embraco (Nidec): Global manufacturer of hermetic compressors for commercial refrigeration, now part of Nidec. Overlaps with Dorin in commercial refrigeration end markets, though primarily in hermetic (rather than semi-hermetic) compressor formats.
• Danfoss: Danish multinational with a major commercial refrigeration compressor portfolio as part of a much broader HVAC/R product range. Overlaps with Dorin in commercial refrigeration compressor sales but competes across a far wider portfolio.
• Tecumseh Products: US-based legacy manufacturer of compressors for refrigeration and HVAC with a broad product portfolio. Overlaps with Dorin in commercial refrigeration compressor supply but at broader category coverage and different geographic mix.
• Copeland (Emerson): One of the world's largest refrigeration compressor manufacturers. Competes broadly with Dorin across commercial and industrial refrigeration but at materially greater scale and with a multi-format portfolio (scroll, hermetic, semi-hermetic).

Direct peers

• Frascold: Italian manufacturer of semi-hermetic reciprocating compressors for commercial and industrial refrigeration. Shares Dorin's Italian heritage, reciprocating technology focus, and commercial refrigeration target segments.
• RefComp: Italian manufacturer specializing in semi-hermetic reciprocating compressors for commercial refrigeration applications. Direct niche competitor sharing Dorin's product format and European customer base.
• Bock Compressors: German specialist in reciprocating compressors for refrigeration and air conditioning, with strong focus on CO2 and natural-refrigerant applications. Direct competitor in industrial CO2 and transcritical niches where Dorin is also a reference manufacturer.
• Bitzer: World-leading manufacturer of refrigeration compressors (reciprocating, screw, scroll) for commercial and industrial applications. Directly competes with Dorin across the same semi-hermetic, open-type, and CO2 transcritical product segments.
• Carlyle Compressor: Manufacturer of semi-hermetic reciprocating compressors for commercial refrigeration applications. Overlaps with Dorin in the same reciprocating compressor product format for commercial refrigeration end markets.
• Secop: Manufacturer of hermetic and semi-hermetic compressors for commercial refrigeration (formerly the Danfoss Compressors business). Directly competes with Dorin in European and global commercial refrigeration compressor markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@officinemariodorin8356
• LinkedInlinkedin.com/company/officine-mario-dorin-spa
• Instagraminstagram.com/officine_dorin
• Xx.com/Officine_Dorin

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

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 Dorin