Name

Indoor Energy

Legal name

Indoor Energy Group Nordic AB

Website

https://indoor.se

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

HVAC and Energy Efficiency Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Facilities Support Services (561210)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Auto Controls For Regulating Residential & Comml Environments (3822), Refrigeration & Service Industry Machinery (3580), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)

akta.pro primary industry

Energy Services (Retrofits/Commissioning/Testing & Balancing) (IMAIABAI)

akta.pro secondary industry

HVAC Service, Maintenance & Repair (BPABACAA)

Keywords

• HVAC services
• Energy efficiency consulting
• Building automation systems
• Heat optimization services
• Liquid-borne energy systems

Headquarters

HQ city

Solna

HQ country

Sweden

HQ region

Europe

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Service and Maintenance Contracts: Recurring service and maintenance agreements covering heating, cooling, ventilation, and control systems for properties across Sweden. Includes both local and national (rikstäckande) contracts with certified technicians available around the clock. This is a core recurring revenue stream.
2. Installation and Contracting Projects: Project-based installation and contracting services for new builds and retrofits of HVAC systems, including cooling systems, ventilation, heating plants, and control systems. Includes design, commissioning, and documentation.
3. Energy Efficiency Consulting: Energy audits, mapping, analysis, and advisory services for properties seeking to reduce energy consumption and comply with EU directives (EPBD, EED). Includes energy declarations and sustainability certification guidance.
4. Liquid-Borne System Products (Karob): Sale of specialized products for liquid-borne energy systems including Multicontrol units, expansion vessels, dirt filters, and water treatment solutions. Includes installation, commissioning, and after-market service for these products.
5. Training and Education: Technical training courses for property managers, facility staff, and housing cooperative board members on building systems, energy management, and technical operations. Includes the Energihandboken (Energy Handbook) as a free educational resource.

Go-to-market motion2 records

Distribution channels5 records

Marketing channels7 records

Core offering

Indoor Energy is a Swedish knowledge and service company delivering integrated HVAC solutions covering heating, cooling, ventilation, and building automation/control systems to property owners, housing cooperatives, commercial real estate, healthcare facilities, and industrial operators. Core deliverables include nationwide service and maintenance contracts, project-based installation and contracting, energy audits and efficiency consulting, and specialized products for liquid-borne energy systems. The company operates through specialized sub-brands — Karob (liquid-borne energy systems, 5,000+ installations since 1993), Värmebalans (heat balance optimization), and Indoor Energy Living (energy management for housing cooperatives) — with documented energy reductions of up to 40% in treated properties.

Product overview

Indoor Energy is a knowledge and service company with approximately 200 employees across 10 offices, offering a comprehensive portfolio of integrated services for energy-efficient properties. The core offering centers on energy cost savings of up to 40% through the integration of four main technical disciplines: cooling, heating, ventilation, and building automation/control technology. The company operates specialized sub-brands including Karob (liquid-borne energy systems with patented deaeration technology, 5,000+ installations), Värmebalans (heat balance services), and Indoor Energy Living (energy management for housing associations). Supplementary offerings include the Driftrummet customer portal for remote monitoring, Energihandboken (free annual handbook), Energipodden podcast, professional training services, and energy declarations. The company serves over 10,000 properties and 1,800 customers across Sweden, combining service, optimization, and installation capabilities.

Differentiator

Problem solved

Functional benefit

Brands

• Indoor Energy Living: Concept specifically for housing cooperatives (bostadsrättsföreningar) offering complete energy management and electrical technical services for multi-family buildings.
• Karob
• Värmebalans

Products and services

• Service och underhåll (Service and Maintenance) Nationwide and local service agreements providing maintenance services for properties across all technical systems (heating, cooling, ventilation, control). Includes certified technicians available around the clock, fixed-price contracts, and ad-hoc service visits. Core recurring revenue stream.
• Kyla (Cooling) Service, optimization, conversion, installation, contracting, and certification services for cooling systems in properties. Includes natural CO2 (R744) and propane refrigerant solutions, F-Gas regulatory conversions, and heat recovery integration for building heating and domestic hot water production.
• Värme (Heating) Service, optimization, adjustment, and maintenance for heat pumps and heating boilers in properties. Includes the proprietary emanipplar method for single-pipe heating system optimization delivering 5–15% heating-cost savings.
• Ventilation Service, maintenance, mandatory ventilation inspections (OVK), conversion, and new construction services for ventilation systems. Includes demand-driven airflow optimization with CO2/temperature/presence sensor networks.
• Styr- och reglerteknik (Control and Automation Technology) Service, optimization, energy measurement, connected systems, and installation for building automation and control technology. Includes centralized monitoring, demand-based room control, SCADA integration, and building automation platform servicing (Desigo CC, SAIA Controls, Regin, Siemens).
• Vätskeburna energisystem / Karob (Liquid-borne Energy Systems) Specialized liquid-borne energy systems including water analysis, deaeration, multicontrol, and documentation. Sold and installed as Karob products since 1993 with over 5,000 installations delivered. Uses EDER-patented degassing, pressure maintenance, and expansion technologies achieving under 0.1 mg oxygen per liter.
• Energieffektivisering (Energy Efficiency Consulting) Sustainable building solutions including energy renovations, energy mappings, energy declarations, and energy audits. Offers comprehensive energy analysis with investment documentation and ROI calculations to support compliance with EU EPBD and EED directives.
• Utbildning (Training) Technical training courses for property managers, facility staff, and housing cooperative board members on building systems, energy management, and technical operations. 4-hour theoretical and practical training sessions.
• Indoor Energy Living Complete energy management concept for housing cooperatives (bostadsrättsföreningar). Provides technical function control, maintenance planning, remote monitoring, alarm management, energy follow-up, and development planning for residential buildings' central energy systems.
• Värmebalans (Heat Balance) Specialized division for heat balance and heat adjustment services, particularly for single-pipe heating systems using the proprietary emanipplar method to deliver even heat distribution without full system replacement.
• Driftrummet Portal Web-based customer portal for property monitoring and control. Provides remote monitoring, alarm management, and system performance tracking for connected building systems. Enables remote troubleshooting and preventive maintenance without physical site visits.
• Energideklaration (Energy Declaration) Energy declaration service by certified energy experts, valid for 10 years. Includes recommendations for energy-efficient measures and supports regulatory compliance and sustainability reporting.
• Energikartläggning (Energy Mapping) Energy mapping services required for companies with total energy usage between 2.8-23.6 GWh annually per EU energy efficiency directive (EED). Includes comprehensive analysis of energy distribution, equipment scheduling, heat recovery verification, and loss identification.

Quantifiable outcome

• Energy consumption reduction of up to 40% for treated properties
• +7 more outcomes

Named customers22 records

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Feature9 records

Partnerships

Four partnerships are on record, tiered core and minor.

• SEB (Skandinaviska Enskilda Banken)coreStrategic or Co-development PartnerSEB collaborated with Indoor Energy on energy efficiency projects for housing cooperatives, combining SEB's green financing offerings with Indoor Energy's technical expertise to help Brf Catalinakajen achieve savings of approximately 350,000 SEK per year. SEB provides financing while Indoor Energy delivers the technical analysis and implementation.
• Radiator VVSminorImplementation/ SI/ Consulting PartnerRadiator VVS was the main contractor for the Universitetssjukhuset i Örebro CO2 cooling project, partnering with Indoor Energy who performed the cooling system installation as part of the joint delivery.
• DriftiaminorStrategic or Co-development PartnerDriftia, a property management company, partnered with Indoor Energy as a subcontracting expert for HVAC optimization at Stockholm International School, where Driftia served as the facility manager and engaged Indoor Energy for technical analysis and implementation.
• EDER (Germany)coreTechnology or IntegrationIndoor Energy (through its Karob division) works with EDER from Germany for patented degassing, pressure maintenance, and expansion technologies used in liquid-borne energy systems. EDER's market-leading products are integrated into Indoor Energy's total delivery for district heating and building energy optimization.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Bravida: Bravida is the largest Nordic MEP services and installation provider, with a substantial Swedish HVAC, heating, cooling, and building automation business. It is the closest large-scale direct competitor to Indoor Energy across both service contracts and project installation.
• Caverion: Caverion is a leading Northern European provider of building solutions and HVAC services, with Swedish operations covering heating, cooling, ventilation, and building automation. It directly competes with Indoor Energy for enterprise service contracts and energy-efficiency retrofits.
• Assemblin: Assemblin is a major Nordic installation and service contractor with significant presence in Sweden, covering heating, plumbing, ventilation, and electrical. It is a direct peer in HVAC service, installation, and energy retrofits across the Swedish market.
• Instalco: Instalco is a Swedish-led multi-disciplinary installation and service group with HVAC, ventilation, and building automation subsidiaries. It is a direct competitor for both new-build installations and recurring HVAC service contracts in Sweden.

Broad incumbents

• Coor Service Management: Coor is a large Nordic integrated facility management provider that bundles HVAC, building automation, and energy services into multi-service contracts. It overlaps with Indoor Energy's recurring service and Driftrummet-style monitoring offerings, but at a broader FM scale.
• Nibe Energy Systems: Nibe is a leading Swedish heat pump and HVAC equipment manufacturer. It is comparable as a Swedish-headquartered climate/energy efficiency specialist, though it operates upstream in equipment rather than service/installation.
• Schneider Electric Sverige: Schneider Electric is a global building automation and energy management incumbent with a major Swedish presence. Its EcoStruxure platform competes at the controls/BMS layer with Indoor Energy's Styr & Reglerteknik and Driftrummet offerings.
• Siemens Smart Infrastructure Sverige: Siemens supplies Desigo CC and other building automation platforms that Indoor Energy services and integrates. As a global incumbent, Siemens is both a partner and a potential competitive threat in building automation and energy services in Sweden.
• E.ON Energilösningar: E.ON Sverige is a major energy utility offering energy efficiency services, district heating, and building-side optimization to Swedish customers. It competes for enterprise energy-services contracts where Indoor Energy's Karob and energy analysis offerings also play.

Emerging players

• Kiona: Kiona is a Nordic-headquartered SaaS platform for building energy management and monitoring. It is comparable to Indoor Energy's Driftrummet portal as an emerging software-focused player in connected building energy management, though narrower in scope (software vs. integrated services).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries5 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 Indoor Energy