What Giacomini does

Giacomini S.p.A. is a privately held Italian industrial manufacturer, founded in 1951 and headquartered in San Maurizio d'Opaglio, Piedmont, with a workforce in the 501-1000 range and €50.7m of paid-in capital under the Alberto Giacomini Holding family ownership structure. The company designs, manufactures in Italy, and globally exports components and systems covering seven business areas: energy management, radiant systems, water management, gas distribution, renewable sources, hydrogen systems, and fire protection. Its technology stack centres on hydronic and thermomechanical components, including modular heat interface units (GE556-SM series), adjustable magnetic dirt separators (R146C, R145XC), hydronic units for heat-pump-integrated HVAC (R586HPI, R589HPW, HPWB), manifolds and air vents, and certified fire-protection ball valves (A730, UL/FM listed). Products are engineered to comply with multiple European regulatory regimes such as Ecobonus, Superbonus, RE2020, and the Energy Transition Act, and carry sector certifications including ACS for the GE556-SM heat interface unit.

The company monetises primarily through hardware sales to a global distributor and professional installer network, supported by the Giacomini Academy training programmes that feed installer specification. In 2025-2026 Giacomini reorganised its commercial motion into three named business solutions - Unique Home (single-family), Residential Plus (multifamily), and Total Commercial - covering residential, multifamily, and commercial end-segments. Recent product activity includes the 2025 K-Domo mobile application for connected heating control, and the 2026 launches of the R595-1 plastic manifold cabinet and the regulatory-driven W831TH ball valve range. A March 2026 applied-research partnership with the Politecnico of Turin validates Giacomini radiant systems in EU energy retrofit scenarios. There is no disclosed AI/ML capability, no public revenue figure, no external funding, and no M&A activity in the available data.

Name

Giacomini

Legal name

GIACOMINI S.p.A.

Website

https://giacomini.com

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Giacomini is a privately held Italian manufacturer of HVAC, hydronic, water, gas, and fire-protection components, exporting globally through distributor and installer networks since 1951 and serving residential, multifamily, and commercial building markets.

Ownership category

akta.pro rank

Product category

HVAC components and systems

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)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures (3430)

akta.pro primary industry

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

akta.pro secondary industries

Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF), Ventilation, Ducting & Air Distribution Equipment (IMAHAKAG)

Keywords

• HVAC components manufacturing
• Radiant heating systems
• Thermal energy management
• Water and gas distribution
• Fire protection valves

Headquarters

HQ city

San Maurizio D'opaglio

HQ country

Italy

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. HVAC Components and Systems: Manufacture and export of components and systems for healthy room air conditioning, thermal energy management, and domestic water and gas distribution worldwide.
2. Business Solutions: Structured product solutions for different market segments: Unique Home (single-family homes), Residential Plus (multifamily buildings), and Total Commercial (commercial spaces).

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Giacomini manufactures and exports from Italy a broad range of physical components and integrated systems for HVAC, thermal energy management, radiant heating/cooling, domestic water and gas distribution, renewable energy, hydrogen systems, and fire protection. Its product portfolio includes heat interface units, magnetic dirt separators, hydronic units for heat pumps, manifolds, ball valves, fan coils, automatic air vents, and the K-Domo mobile application for heating system control. These products are delivered through three market-segmented solution lines: Unique Home (single-family), Residential Plus (multifamily), and Total Commercial.

Product overview

Giacomini manufactures components and systems for healthy room air conditioning, thermal energy management, and domestic water and gas distribution. The product portfolio includes modular heat interface units (GE556-SM series), magnetic dirt separators (R146C, R145XC), hydronic units for HVAC (R589HPW), hot domestic water heaters with heat pump technology (HPWB), fan coil units and connection kits (KFC series, R439KFC), manifolds and cabinets (R585CS, R595-1, R553DI), automatic air vents (R88E, R88EI, R89), ball valves for fire protection (A730) and general use (W831TH), pump units (R586R), and various fittings and accessories. Products serve residential, commercial, and industrial applications across energy management, radiant systems, water management, gas distribution, renewable sources, hydrogen systems, and fire protection segments.

Differentiator

Problem solved

Functional benefit

Products and services

• GE556-SM Modular Heat Interface Unit Modular heat interface units for metering of thermal energy consumptions in autonomous heating and hot domestic water production systems with centralized heat production (teleheating). Available in standard and compact versions with various exchanger configurations. Used in multifamily and district heating projects.
• R146C Adjustable Magnetic Dirt Separator Adjustable magnetic dirt separator with adjustable fitting, adjustable drain cock, filter, magnet with brass housing, and cap for adjustable 3-way fitting. Protects heating systems from debris and magnetic particles. Used by installers in heating system installations.
• R145XC Compact Magnetic Filter-Dirt Separator Extremely compact magnetic filter-dirt separator with two-inlet connection fitting, designed for installation under wall-mounted boilers and in straight piping sections.
• R595-1 Plastic Cabinet for Manifolds Plastic cabinet designed to house manifolds in installation settings. Launched as a new product in 2026 for use with Giacomini manifold systems in residential and commercial projects.
• R280KL Light Kit for Terminal Units (Fan Coils) Light kit accessory for Giacomini terminal units (fan coils), used to outfit terminal HVAC units in installations.
• R87FL Boiler Room Air Separator with Flanged Connections Boiler room air separator with flanged connections for use in boiler room HVAC installations to remove air from heating systems.
• R585CS Modular Brass Manifold with Shut-off Valves and Self-Sealing Modular brass manifold with shut-off valves and self-sealing design, used to distribute flow across multiple heating circuits in radiant and HVAC systems.
• A730 Ball Valve for Fire Protection Applications Ball valve for fire protection applications with water, full port, UL and FM listed. Used in commercial fire protection systems.
• R88E Compact Automatic Air Vent Compact automatic air vent with integrated filter and horizontal vent for HVAC and heating system installations.
• R88EI Compact Automatic Air Vent with Insulation Compact automatic air vent with integrated filter, horizontal vent, and insulation. Used in HVAC installations where condensate or heat loss protection is required.
• R89 High-Performance Automatic Air Vent High-performance automatic air vent with integrated filter and vertical vent for HVAC and heating systems.
• R439KFC Fan Coil Connection Kit Fan coil connection kit with valve, lockshield and fittings for connecting fan coil units to HVAC systems.
• R589HPW Hydronic Unit for HVAC Systems with HDW Production Hydronic unit for HVAC systems producing hot domestic water (HDW) through a booster, designed for heat pump integration.
• HPWB Hot Domestic Water Heater with Integrated Heat Pump Hot domestic water heater with integrated water-water heat pump (booster) for efficient HDW production in residential and commercial applications.
• R553DI Preassembled Brass Manifold with Insulation Preassembled brass manifold with insulation for distribution of heated/cooled fluid in radiant and HVAC systems.
• R279FC Diverting Valve Kit for Radiant Heating and Fan Coil Cooling Diverting valve kit for radiant heating and fan coil cooling systems, used to switch flow between heating and cooling circuits.
• R586R Pump Units with Threaded Connections Pump units with threaded connections for circulating fluid in HVAC and heating installations.
• R280KC Compact Premium Kit for Terminal Units (Fan Coils) Compact Premium-version kit for terminal units (fan coils) used in HVAC installations.
• RM138 90° Elbow Fitting with Wall Support and Press Connections 90-degree elbow fitting, female thread, with wall support and two press connections for plumbing and HVAC pipework.
• R146CK Adjustable Magnetic Dirt Separator Kit Adjustable magnetic dirt separator kit with shut-off ball valve and tail piece for protecting heating systems from debris and magnetic particles.
• KFC-WU / KFC-WD / KFC-F Fan Coil Units Fan coils for wall-up (KFC-WU), wall-down (KFC-WD), and floor flush mounting (KFC-F) installations, used as terminal units in HVAC systems.
• R206A Pressure Independent Control Valve (PICV) Pressure independent control valve (PICV) used to maintain stable flow rates in HVAC systems regardless of pressure variations.
• W831TH Ball Valve Range Ball valve range designed to meet future safety, quality, and sustainability requirements, intended to align with regulatory evolution across Giacomini's markets. Launched in March 2026.
• K-Domo Mobile Application Mobile application for controlling Giacomini heating systems remotely. Supports geolocation to identify system location and integrates weather information services. Targeted at end users of Giacomini-controlled heating installations.
• Unique Home Business Solution Structured product solution for single-family residential buildings, focused on comfort, sustainability, and energy efficiency. Bundles Giacomini HVAC, radiant, water, and gas distribution components into a single-family project offering.
• Residential Plus Business Solution Structured product solution for multifamily residential buildings, addressing centralized heating, individual thermal energy metering, and integrated water management needs.
• Total Commercial Business Solution Structured product solution for commercial spaces requiring integrated HVAC, plumbing, and fire protection systems, including energy metering.

Quantifiable outcome

• Property value enhancement and energy class improvement through low thermal inertia radiant systems with insulation

Named customers1 record

Segments3 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• Politecnico of TurinminorStrategic or Co-development Partner · 19 March 2026Academic partnership for research and analysis of energy retrofit scenarios. The Politecnico of Turin conducted a study at Giacomini's request analyzing real cases of residential buildings renovated under different energy retrofit scenarios, demonstrating how integration of low thermal inertia radiant systems with insulation improves both energy rating and property value.

Scale indicators2 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Viega: German family-owned manufacturer of plumbing, heating and pipe-connection systems. Comparable to Giacomini in distribution model, premium positioning, and broad residential/commercial HVAC-plumbing portfolio.
• Reliance Worldwide Corporation: Global manufacturer of water and plumbing products including valves, fittings, manifolds, and heating controls for residential and commercial markets. Comparable component-portfolio breadth and channel-distribution model.
• Resideo (Honeywell Home): Spun out of Honeywell, Resideo manufactures thermostats, heating controls and connected HVAC products. Comparable in the connected/regulatory-driven controls layer that Giacomini is extending via the K-Domo app.
• Danfoss: Global leader in HVAC controls, valves, and district-energy solutions. Overlaps with Giacomini in hydronic heating, radiator valves, heat-interface units, and energy-efficiency components for residential and commercial buildings.
• Watts Water Technologies: Large US-listed manufacturer of water and plumbing products including valves, manifolds, and HVAC components. A broader incumbent in the same component categories Giacomini serves, with much greater scale and global distribution.

Emerging players

• Spirotech: Dutch specialist in air and dirt separators, magnetic filters, and hydronic accessories for HVAC systems. Niche competitor in the same accessory categories as Giacomini's magnetic dirt separators and air vents.

Direct peers

• IMI plc: Global engineered components group with hydronic, HVAC and building climate divisions offering thermostatic valves, balancing valves and heat interface units. Competes with Giacomini in European hydronic and energy-management components.
• Caleffi: Italian manufacturer of components for heating, plumbing, and HVAC systems, including heat interface units, manifolds, and thermostatic valves. Closest direct competitor to Giacomini, with similar mid-size Italian family-owned positioning and overlapping product lines.
• Reflex Winkelmann: European manufacturer of HVAC and heating-system components including expansion vessels, separators, and hydronic accessories. Direct competitor in boiler-room accessories and hydronic-side components.
• Uponor: European specialist in radiant heating/cooling, plumbing and district-energy solutions. Competes with Giacomini's radiant systems and multifamily/residential water-management lines across European markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCHE2XAwG3rRo7BqZMCYEgQQ
• Facebookfacebook.com/giacominigroup
• LinkedInlinkedin.com/company/giacomini-spa
• Instagraminstagram.com/giacominigroup
• Xx.com/giacominispa

Compliance1 record

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 Giacomini