What Castel does

Castel S.r.l. is an Italian family-owned manufacturer of components for commercial refrigeration and HVAC systems, founded in 1961 and headquartered in Pessano Con Bornago, Lombardia. The company produces thermostatic and electronic expansion valves, solenoid valves, safety devices, check valves, pressure regulators, oil control systems, vibration absorbers, filters, brass fittings, and electrical coils. Its portfolio is organized into three refrigerant-aligned product lines: Classic (traditional A1 refrigerants), Polyhedra (A1, A2L, and A3 safety groups including mildly flammable HFCs/HFOs and hydrocarbons), and Go Green (R744/CO2 natural refrigerant systems). Manufacturing is concentrated at two facilities in Italy and Shanghai/Beijing (established 2010), with 20 million pieces produced annually and approximately 270 employees across the group.

The company operates a sales-led, direct-to-OEM go-to-market: commercial refrigeration equipment manufacturers, HVAC system integrators, and industrial refrigeration operators purchase Castel components through direct sales offices in Milan, Shanghai, Miami (since 2018), and Dubai (since 2023), supported by five logistics warehouses serving 100+ countries. Pricing is quote-based and contracts are multi-year, consistent with industrial B2B component sales. The group has expanded through acquisitions: Pego Srl (2018, components), Verniciatura Moderna (2019, coating), and a majority stake in Dieci Electric Srl (April 2024, electronic refrigeration control), the latter marking a move beyond discrete components into system-level controls.

Castel reports consolidated group revenue above €340 million, with €75 million specifically attributable to its distribution arm. Research collaboration with Politecnico di Milano supports refrigerant and safety engineering work, and the company holds a broad set of international certifications (PED, UL, REACH, RoHS, CE, EAC, UK PESR). Internationally distributed (Italy, France, Spain, Germany, Eastern Europe, USA, China, UAE), the firm remains wholly family-controlled with no external institutional investors disclosed, although February 2026 reporting flags an internal family governance dispute.

Name

Castel

Legal name

Castel S.r.l.

Website

https://castel.it

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

101–250 employees

Short description

Castel is an Italian family-owned manufacturer founded in 1961 that produces solenoid valves, expansion valves, pressure regulators, safety devices, and related components for commercial refrigeration, HVAC, and industrial refrigeration OEMs, distributing to 100+ countries from facilities in Italy and China.

Ownership category

akta.pro rank

Product category

HVAC/R Refrigeration Components

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)

SIC

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

akta.pro primary industry

Refrigeration Components & Controls (Compressors, Valves, Sensors) (IMAHAKAH)

Keywords

• Refrigeration components
• Solenoid valves
• Pressure regulators
• HVAC components
• Thermostatic expansion valves

Headquarters

HQ city

Lombardi

HQ country

Italy

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. HVAC/R Refrigeration Components Sales: Sale of components for refrigeration and air conditioning systems including expansion valves, solenoid valves, safety devices, pressure regulators, filters, and accessories to commercial and industrial customers

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels3 records

Core offering

Castel manufactures and supplies components for refrigeration and air conditioning systems, including thermostatic and electronic expansion valves, solenoid valves, safety devices, check valves, pressure regulators, protection devices, oil control systems, ball valves, vibration absorbers, filters, and brass fittings. Products are organized into three lines (Classic, Polyhedra, Go Green) addressing different refrigerant types including traditional HFCs, low-GWP alternatives, and CO2 (R744). The company sells to commercial refrigeration equipment manufacturers, HVAC system integrators, and industrial refrigeration operators across 100+ countries.

Product overview

Castel is a leading Italian manufacturer of components for refrigeration and air conditioning systems, operating as a family-owned company since 1961. The product portfolio is organized into three main product lines: Classic (traditional products for A1 refrigerants), Polyhedra (new generation products compatible with A1, A2L, and A3 refrigerants including hydrocarbons), and Go Green (products specifically for CO2/R744 systems). The core product categories include expansion valves (thermostatic and electronic), solenoid valves, safety devices, check valves, pressure regulators, protection devices, oil control systems, ball valves, vibration absorbers, coils, connectors, water pressure valves, indicators, dehydration filters, and brass fittings. Castel also acquired Dieci Electric Srl in 2024 to expand into refrigeration system management and control solutions.

Differentiator

Problem solved

Functional benefit

Brands

• Go Green: Product line specifically designed for R744 (CO2) refrigerant applications
• Polyhedra
• Classic

Products and services

• Expansion Valves (Valvole di Espansione)

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Dieci Electric SrlcoreStrategic or Co-development Partner · 25 April 2024Castel acquired majority stake in Dieci Electric Srl, a company specialized in designing and implementing solutions for refrigeration system management and control. The acquisition strengthens Castel's market position and expands technological offerings in refrigeration control systems.
• Verniciatura ModernaminorStrategic or Co-development Partner · 1 January 2019Verniciatura Moderna joined the Castel Group in 2019, providing coating/surface treatment services for components.
• Pego SrlcoreStrategic or Co-development Partner · 1 January 2018Pego Srl is part of the Castel Group since 2018, expanding the group's capabilities in refrigeration components.
• Politecnico di MilanocoreTechnology or IntegrationOngoing research collaboration with Politecnico di Milan university for field research, testing and experimentation in university laboratories. Partnership focuses on developing solutions for system safety and new refrigerant applications including natural refrigerants.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Danfoss: Global Danish manufacturer of refrigeration and air conditioning components including solenoid valves, expansion valves, and pressure regulators. Danfoss is the largest direct competitor to Castel in commercial and industrial refrigeration components, serving the same OEM and system integrator customers worldwide.
• Sanhua: Chinese manufacturer of refrigeration and HVAC components including electronic expansion valves, solenoid valves, and pressure regulators. Sanhua is a direct competitor to Castel, particularly in the CO2 and low-GWP refrigerant product categories, and competes on cost in global OEM supply.
• Carel Industries: Italian-headquartered manufacturer of electronic controllers and humidification systems for refrigeration, HVAC, and air conditioning. Carel overlaps with Castel's customer base of commercial refrigeration OEMs and is increasingly adjacent following Castel's Dieci Electric acquisition in refrigeration system management and control.
• Fujikoki: Japanese manufacturer of expansion valves, solenoid valves, and other flow control components for automotive air conditioning and refrigeration. Fujikoki competes with Castel in electronic and thermostatic expansion valves for commercial refrigeration and HVAC applications.
• Alco Controls (part of Emerson): Emerson-owned brand specializing in refrigeration controls and components including thermostatic expansion valves, solenoid valves, and pressure controls. Alco is a direct head-to-head competitor to Castel's Classic and Polyhedra product lines in commercial refrigeration.

Broad incumbents

• Emerson Electric (Climate Technologies): Emerson's Climate Technologies division (including Copeland and White-Rodgers) manufactures refrigeration components, controls, and valves for HVAC and commercial refrigeration. It competes with Castel in solenoid valves, pressure controls, and system components as part of a broader industrial automation portfolio.
• Parker Hannifin: Diversified US industrial manufacturer with a motion and control technologies portfolio that includes solenoid valves, pressure regulators, and fluid handling components for HVAC and refrigeration applications. Parker competes with Castel in solenoid valves and pressure regulation within commercial refrigeration systems.
• Honeywell International: Through its Performance Materials & Technologies and Productivity Solutions segments, Honeywell manufactures refrigerants, controls, and components for HVAC and commercial refrigeration. Honeywell competes with Castel in pressure regulators, safety devices, and electronic control components.
• Bitzer: German manufacturer of refrigeration compressors and related components for commercial and industrial refrigeration. Bitzer is a downstream customer of Castel's valves and regulators, but its vertical integration into system components (including proprietary valve solutions) represents a competitive threat to Castel's OEM relationships.

Emerging players

• Dunan: Chinese manufacturer of refrigeration valves, expansion valves, and HVAC components with growing international presence. Dunan competes with Castel primarily in the value segment of solenoid valves and pressure regulators for commercial refrigeration OEMs.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries5 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Castel