Mecalia

What Mecalia does

Mecalia S.L. is a Spanish industrial manufacturer founded in 1982 as Depósitos Portela, S.L. and rebranded under its current name in 2002, headquartered at a single production facility in La Guardia (A Guarda), Pontevedra, Galicia. The company designs, fabricates, and commercializes pressurized storage tanks, accumulators, inter-accumulators, inertia vessels, plate heat exchangers, and pre-charged expansion vessels used in domestic hot water sanitary systems (ACS), HVAC closed circuits, solar thermal, biomass, and heat pump installations, plus adjacent product lines for compressed air and liquid fuel storage. Manufacturing spans stainless steel (AISI 304/316), vitrified carbon steel processed via flow-coating at 850°C per DIN 4753, and epoxide-coated carbon steel, with capacities ranging from 30L mini inertia tanks to 40,000L industrial vessels, all CE marked under European Pressure Equipment Directives 97/23/EC and 2014/68/EU and produced under an ISO 9001:2015 quality system audited by TÜV.

The firm operates a multi-brand portfolio architecture: Mecalia Energy Systems (stainless and carbon steel own-brand tanks), MCL System (vitrified and carbon steel ACS and HVAC components), Becal (distributed electric water heaters), and Siasol (distributed solar thermal equipment present in 27+ countries). Revenue is generated primarily through hardware sales across three channels — authorized domestic distributors, direct enterprise sales to large custom and OEM projects, and international export — with pricing held privately and quote-based for custom and OEM work under multi-year contracts. The customer base spans residential homeowners, residential communities, hotels and resorts (Fiesta Hotels Group, Hotel Melia Kingston, a Cancún resort), hospitals (Hospital Fraternidad-Muprespa Habana in Madrid), municipal district heating networks (Lugo biomass project), commercial real estate (Edificio Capitalina Quito, Torres de Tajamar Santiago), education, and data centers (CPD La Caixa), distributed across Spain and Latin America.

Mecalia employs between 11 and 50 people, has no external institutional investors, no disclosed funding rounds, and no parent company or subsidiaries beyond its own product brands. Go-to-market combines a multilingual digital presence (Spanish, English, French, Portuguese), social media channels, distributor partnerships, participation in HVACR trade fairs such as Climatización & Refrigeración in Madrid, and direct technical sales support. The firm derives modest competitive insulation from over four decades of brand heritage, ISO and CE certifications, custom manufacturing flexibility, and accumulated technical expertise evidenced through its educational blog on ACS pressure management and renewable heat integration, but operates without patents, proprietary software, or any disclosed AI/ML capabilities.

Name

Mecalia

Legal name

Mecalia S.L.

Website

https://mecalia.com

Company type

Private

Founded year

1982

Operating status

Operating

Headcount range

11–50 employees

Short description

Mecalia is a privately held Spanish industrial manufacturer, founded 1982 and headquartered in La Guardia, Galicia, that designs and fabricates stainless steel, vitrified carbon steel, and epoxide-coated tanks, heat exchangers, and expansion vessels for ACS, HVAC, solar thermal, biomass, and heat pump installations, serving residential, hospitality, healthcare, municipal, and industrial customers across Spain and Latin America.

Ownership category

akta.pro rank

Product category

HVAC Equipment Manufacturing

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Commercial and Service Industry Machinery Manufacturing (333310)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Heating Equipment, Except Electric & Warm Air Furnaces (3433)

akta.pro primary industry

Heat Exchangers, Coils & Hydronic HVAC Components (IMADANAF)

akta.pro secondary industry

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

Keywords

• Hot water storage tanks
• HVAC pressure vessels
• Plate heat exchangers
• Solar thermal equipment
• Expansion vessels

Headquarters

HQ city

La Guardia

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Own Brand Products (Mecalia Energy Systems): Manufacture and sale of own-brand products including ACS and closed-circuit tanks, liquid fuel tanks, and compressed air tanks in carbon steel and stainless steel under the Mecalia Energy Systems brand.
2. MCL System Products: Distribution of MCL System branded products including vitrified steel tanks, plate heat exchangers, water heaters, and expansion vessels.
3. SIASOL Solar Thermal Products: Comarketing of SIASOL solar thermal energy collection equipment. SIASOL products are present in over 27 countries and all procedures are certified ISO 9001:2008.
4. Becal Electric Water Heaters: Distribution of Becal branded electric water heaters for sanitary hot water production using innovative technologies and first-quality materials.
5. Custom/OEM Manufacturing: Custom tank manufacturing services for specific client designs with short lead times, covering standard catalog, custom-made, and OEM unit categories.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

Mecalia manufactures and distributes pressurized steel tanks, accumulators, inter-accumulators, inertia tanks, expansion vessels, and plate heat exchangers for domestic hot water (ACS) production, HVAC closed circuits, solar thermal, biomass, and heat pump installations. The company sells own-brand Mecalia Energy Systems and MCL System products plus distributed Becal electric water heaters and Siasol solar thermal equipment, with both standard catalog items and custom/OEM manufacturing available.

Product overview

Mecalia is a manufacturer and distributor of hot water sanitary (ACS) systems with over 40 years of experience. The company operates a multi-brand portfolio architecture consisting of: (1) Mecalia Energy Systems - their primary own-brand product line featuring stainless steel (AISI 316) and carbon steel tanks for ACS, closed circuits, liquid fuels, and compressed air; (2) MCL System - a sub-brand offering carbon steel and vitreous enamel coated steel products including accumulation tanks, interaccumulators, plate heat exchangers, expansion vessels, and electric water heaters; (3) Siasol - a distributed brand for solar thermal collection equipment present in over 27 countries; and (4) Becal - a distributed brand for electric water heaters. Core products include inertia tanks (30 to 40,000+ liters), interaccumulators with spiral heat exchangers (for solar, heat pumps, boilers), accumulation tanks, plate and tubular heat exchangers, expansion vessels for various applications (heating, solar, sanitary), compressed air tanks, and liquid fuel storage tanks. The company also offers custom/OEM manufacturing services alongside their standard catalog.

Differentiator

Problem solved

Functional benefit

Brands

• Mecalia Energy Systems: Own brand under which Mecalia manufactures and commercializes ACS tanks, closed circuit tanks, liquid fuel tanks, and compressed air tanks in carbon steel and stainless steel.
• MCL System
• Becal
• Siasol

Products and services

• Mecalia Energy Systems Tanks Primary own-brand product line including ACS hot water storage tanks (Acumulador INOX 316 up to 6,000 liters), inertia tanks (Depósito Inercia Acero al Carbono 100–10,000 liters), single-wall liquid fuel storage tanks (S-235-JR carbon steel), and compressed air tanks (carbon steel or AISI 304 stainless steel, 300–8,000 liters, CE marked per 2014/68/EU). Designed for residential, commercial, and industrial HVAC installations.
• MCL System Vitrified Steel Products Sub-brand product line featuring carbon steel and vitreous enamel coated steel products for ACS production/accumulation, inertia tanks for heating/refrigeration circuits, pre-charged expansion vessels with replaceable EPDM membranes, plate heat exchangers (AISI 316L or titanium plates with EPDM-PRX gaskets, 10 bar), and vitrified steel electric water heaters (flow-coated at 850°C per DIN 4753, 30–200 liters).
• Siasol Solar Thermal Equipment Distributed brand of solar thermal energy collection equipment commercialized by Mecalia. Includes solar collectors and complementary equipment for solar thermal installations, present in over 27 countries worldwide. All SIASOL production procedures are certified under ISO 9001:2008.
• Becal Electric Water Heaters Distributed brand of electric water heaters for sanitary hot water production, manufactured with innovative technologies and first-quality materials for extended service life. Sold through Mecalia's distribution channels.
• Inter-Accumulator INOX 316 Double Serpentine (Doble Cámara) Hot water storage tank with two spiral heat exchanger coils in stainless steel AISI 316 for solar energy and boiler backup integration. Designed for vertical floor installation, 50 to 5,000 liters. Provides two-stage heating for solar, boiler, or heat pump integration.
• Dismountable Plate Heat Exchangers Plate heat exchangers with EPDM-PRX gaskets using AISI 316 L or Titanium plates for thermal energy transmission between fluids in ACS, HVAC, and industrial applications. 10 bar working pressure.
• Custom and OEM Tank Manufacturing Custom tank manufacturing services for specific client designs with short lead times. Covers three business units: (1) Standard Catalog products, (2) Custom/Made-to-Measure tanks built per client drawings and specifications (dimensions, capacity, materials), and (3) OEM units manufactured for third-party brands. Suitable for hotels, hospitals, residential communities, sports complexes, and individual homeowners.

Quantifiable outcome

• Energy savings of nearly 60% in thermal power plant reform at Torres de Tajamar, Santiago de Chile
• +1 more outcomes

Named customers10 records

Segments6 records

Ideal customer profiles6 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• SIASOLcoreChannel Partner/ Reseller/ DistributorMecalia commercializes SIASOL solar thermal energy collection equipment. SIASOL products are present in large corporate groups in more than 27 countries worldwide. All SIASOL production procedures are certified under ISO 9001:2008.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Reflex Winkelmann: German manufacturer of expansion vessels, hot water storage tanks, and pressurisation equipment for HVAC and DHW systems — directly overlapping with Mecalia's core ACS tank and expansion vessel lines across the European market.
• Caleffi: Italian specialist in hydronic components including plate heat exchangers, expansion vessels, and ACS accessories; directly comparable to Mecalia's dismountable plate heat exchangers and inter-accumulators for residential and commercial hydronic systems.
• Amtrol (based on parent: Watts Water / Core & Main): US manufacturer of pre-charged expansion tanks and hydronic accessories for HVAC and plumbing — directly comparable to Mecalia's EPDM-membrane expansion vessels for heating, solar, and sanitary applications.
• Elbi SPA: Italian producer of expansion vessels, water heaters, and HVAC pressure vessels competing head-to-head with Mecalia's MCL System and Becal product ranges in Southern Europe.

Broad incumbents

• Baxi (BDR Thermea Group): Major European heating and hot-water solutions provider — overlapping with Mecalia's ACS and heating-system components though focused more on boilers and integrated heating systems.
• Ferroli: Large Spanish/Italian manufacturer of boilers, water heaters, and HVAC equipment with overlapping ACS and storage-tank offerings, serving a similar Iberian customer base but with much broader product breadth.
• Vaillant Group: Large German-based HVAC group producing heat pumps, boilers, and hot-water storage solutions — broadly overlaps Mecalia's residential and commercial ACS offerings in European markets.
• Bosch Thermotechnology: Global HVAC/heating incumbent whose product range includes hot-water tanks, buffers, and heat-pump accessories that compete with Mecalia in commercial and residential segments.
• Saunier Duval (Vaillant Group): Iberian-market heating and DHW brand operating alongside Vaillant — competes with Mecalia in Spanish residential ACS and boiler-buffering installations.
• Worthington Industries (Pressure Vessels): US industrial manufacturer of pressure vessels and steel tanks — broader scope, but its pressurized tanks overlap with Mecalia's compressed air and fuel storage vessels under PED pressure-equipment standards.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key highlights6 records

Customer concentration

• Xx.com/mecaliasl
• Facebookfacebook.com/MecaliaSL
• LinkedInes.linkedin.com/company/mecalia
• Instagraminstagram.com/mecaliasl

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

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 Mecalia