ENEX

What ENEX does

ENEX (legal entity ENEXERGI AB, organization number 556873-1979) is a privately held Swedish energy efficiency contractor founded in 2010 and headquartered in Täby, with a secondary office in Partille (Gothenburg region). The company designs and delivers integrated energy retrofit projects for property owners—primarily housing cooperatives (BRF), property companies, community associations, and property management firms—operating mainly in Stockholm and Mälardalen while executing projects across Sweden. Each engagement is delivered as a total contractor under ABT 06, following a four-phase methodology: energy pre-study, design and procurement, execution, and ongoing service/operational optimization. Revenue is generated principally from one-time project contracts, with a smaller but growing recurring stream from post-installation service agreements and remote-monitoring optimization.

The company's core technology stack integrates multiple disciplines into single retrofit solutions: geothermal ground-source heat pumps (Thermia Mega XL installations with deep energy wells of 270–380m), solar PV (installations of 192–225 panels producing 55,000–75,000 kWh/year), and mechanical ventilation with heat recovery. Two proprietary products anchor the offering: ENEX FXT-Bostad, a cost-optimized FTX retrofit solution for buildings originally equipped with exhaust-only or natural ventilation, and ENEX Hybridanläggning, which combines geothermal heating with exhaust air heat recovery and uses summer heat recharging to deliver cooled supply air to apartments. Projects are complemented by Bastec-based building management and control systems with remote web-based monitoring.

ENEX's go-to-market is consultative enterprise field sales targeting BRF boards, property owners, and management firms through direct outreach, relationship-based selling, and a reference base of 100+ completed projects with documented annual savings of SEK 700k–2M+. The team of 8–9 named professionals brings 25+ years of combined energy-efficiency experience, is SWEDAC-certified, and operates under the EEF industry association membership. Customer acquisition relies primarily on the corporate website, LinkedIn presence, and direct personal contact rather than digital or paid channels.

Name

ENEX

Legal name

ENEXERGI AB

Website

https://enex.se

Company type

Private

Founded year

2010

Operating status

Operating

Short description

ENEX designs and delivers integrated energy efficiency projects—including geothermal heating, solar, ventilation heat recovery, and control systems—for housing cooperatives, property companies, and community associations across Sweden, primarily in Stockholm and Mälardalen.

Ownership category

akta.pro rank

Product category

Energy Efficiency Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220), Engineering Services (541330)

SIC

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

akta.pro primary industry

Construction Management & General Contracting (EPCM, Scheduling, QA/QC, HSE) (EUAMAFAJ)

akta.pro secondary industries

Civil & Site Works EPC (Earthworks, Roads, Drainage, Foundations) (EUAEADAA), Commissioning, Testing & Energization Services (Pre-Commissioning, Grid Code Compliance) (EUAMAFAK)

Keywords

• Energy efficiency services
• Geothermal heating systems
• Heat recovery ventilation
• Solar energy installations
• Property energy upgrades

Headquarters

HQ city

Täby

HQ country

Sweden

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Energy Projects (Totalentreprenad): Full-service energy efficiency projects including design, installation, and commissioning of geothermal heating, solar panels, ventilation systems, and control systems. Executed as total contractor under ABT 06 with guarantees and insurance. Revenue recognized upon project completion.
2. Smaller Energy Contracts: Smaller energy efficiency projects including replacement of control systems, heat pump installations, optimization of existing systems, radiator valve replacements, and water treatment systems. One-time project-based revenue.
3. Service Agreements & Operational Optimization: Ongoing service contracts for installed energy systems including maintenance, remote monitoring, and continuous optimization. Support provided to property managers, housing cooperative boards, and maintenance staff.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

ENEX designs and delivers comprehensive energy efficiency projects for property owners, covering geothermal heating (bergvärme), solar energy systems, ventilation with heat recovery (FTX/FX systems), and building control systems. They execute projects as a total contractor (totalentreprenad) under ABT 06 with guarantees and insurance, following a structured four-phase methodology from pre-study through design, procurement, execution, and ongoing service agreements with operational optimization.

Product overview

ENEX is an energy efficiency solutions provider offering a portfolio of interconnected products and services for property owners. Their core offerings include proprietary systems like the ENEX FXT-Bostad (their own FTX ventilation solution) and ENEX Hybridanläggning (combining geothermal heat with exhaust air recovery), alongside traditional services such as geothermal heat pump installation (bergvärme), solar energy systems (solenergi), exhaust air heat recovery (FX-system), and full heat recovery ventilation (FTX-system). These products are complemented by add-on modules including building control systems (styr- och reglersystem) for remote monitoring and optimization, domestic hot water optimization (tappvattenoptimering), and ongoing service/drift optimization contracts. The company provides complete project delivery from initial study through construction, commissioning, and long-term service, serving residential housing associations (BRF), property companies, and property management firms.

Differentiator

Problem solved

Functional benefit

Brands

• ENEX FXT-Bostad: Proprietary ventilation solution for converting self-draught/house with mechanical exhaust to FTX ventilation (heat recovery ventilation), more cost-effective compared to traditional FTX systems.
• ENEX Hybridanläggning

Products and services

• ENEX FXT-Bostad Proprietary mechanical supply and exhaust air ventilation system with heat recovery (FTX) that converts self-drafting or exhaust-only buildings to full FTX ventilation at lower cost than traditional systems; designed for housing cooperatives and residential properties.
• ENEX Hybridanläggning Combined geothermal heating and exhaust air heat recovery system where energy wells are recharged with heat during summer months while providing cooled supply air to apartments during summer as free air conditioning.
• Bergvärme (Geothermal Heating) Ground source heat pump installation services with deep drilling for energy wells (up to 380m) and installation of heat pump systems for residential buildings, replacing district heating with potential savings of up to 75%.
• Solenergi (Solar Energy Systems) Solar energy installations including solar panels (solceller) and solar collectors (solfångare) installed on building rooftops, producing 55,000–75,000 kWh/year per installation.
• FTX-system (Heat Recovery Ventilation) Full heat recovery ventilation systems with counterflow heat exchangers for residential buildings, replacing old ventilation units to recover thermal energy from exhaust air.
• FX-system (Exhaust Air Heat Recovery) Exhaust air heat recovery systems using exhaust air heat pumps with storage tanks to recover heat from ventilation exhaust air; can reduce district heating purchases by 50–65%.
• Serviceavtal & Driftoptimering (Service Agreements & Operational Optimization) Ongoing service contracts and continuous operational optimization for installed energy systems, including remote monitoring, support to property managers and housing cooperative boards, and preventive maintenance.
• Mindre energientreprenader (Minor Energy Contracts) Smaller energy improvement projects including district heating central replacements, radiator valve replacements, HVAC upgrades, control system replacements, and water treatment systems.

Quantifiable outcome

• District heating reduction: 50-65%
• +4 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered core and supporting.

• SWEDACcoreOthersENEX energy experts are certified in qualified degree by SWEDAC, the Swedish Accreditation and Conformity Assessment Body. This certification validates their technical competence in heat, cooling, ventilation, and control systems.
• EEF (Energieffektiviseringsföretagen)supportingOthersENEX is a member of EEF (Energy Efficiency Companies), the industry association for energy efficiency companies in Sweden. Logo displayed on website indicates membership and adherence to industry standards.

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Market position

Competitive moat5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/enex-ab

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 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 ENEX