Kair Ventilation
Kair Ventilation is a UK-based, privately-held supplier of residential ventilation products — including heat recovery ventilators, ducting, extract fans and anti-mould treatments — selling to homeowners, landlords, housing associations and new-build developers via its own e-commerce site, Amazon UK, the i-sells distributor and an approved contractor network.
- Company typePrivate
- Founded2015
- HeadquartersSidcup, United Kingdom
- Headcount11–50
- GTM typeB2B and B2C
- OfferingHardware or Manufacturing
What Kair Ventilation does
Kair Ventilation Ltd is a UK-based private company headquartered in Sidcup, Kent that supplies residential ventilation products, ducting accessories and chemical anti-mould treatments to UK homeowners, landlords, housing associations and new-build developers. Its product architecture spans four categories: Heat Recovery Ventilation (HRV) units using cross-flow (KTM125, up to 76% efficiency) and counter-flow (iECO4, up to 91% efficiency) heat exchangers; Positive Input Ventilation (PIV) loft units such as the Kalahari ECO; Multi-Extract Ventilation (MEV) inline units like the Centrex; and a complementary Anti Mould chemical line (Anti Mould Paint, Mould Eradication Additive, Surface Cleanser Concentrate) bearing biocidal HSE registrations (9360, 9361). Supporting SKUs include plastic and thermal ducting, FastSeal connectors, extract fans (Smart Fan, MultiFan, Guardian Power Pro) and hygrometer monitoring equipment.
The business operates a product-led, digital-first go-to-market model. The kair.co.uk e-commerce site functions as the primary information and direct-purchase hub, supplemented by listings on Amazon UK and specialist trade distributor i-sells.co.uk; an Approved Contractors network extends reach into professional installation. There is no published price list, contract-based recurring revenue, or disclosed funding — the company appears founder/owner-operated, sells unit-priced hardware and consumables, and targets building-regulations compliance (CE, LVD, EMC, Part F) as a procurement gateway into housing-association and developer accounts.
Five retired HRV/PIV SKUs (K-WH150, K-FV100, K-HRVWH2000, K-HRVF100, K-HRVIECO4) coexist with 2025-dated product imagery on the current line, indicating ongoing catalogue refresh. Headcount is reported in the 11-50 SME band with no disclosed executive team, subsidiaries, or external investors.
Kair Ventilation firmographics
Firmographics- Name
- Kair Ventilation
- Legal name
- Kair Ventilation Ltd
- Website
- https://kair.co.uk
- Company type
- Private
- Founded year
- 2015
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Kair Ventilation is a UK-based, privately-held supplier of residential ventilation products — including heat recovery ventilators, ducting, extract fans and anti-mould treatments — selling to homeowners, landlords, housing associations and new-build developers via its own e-commerce site, Amazon UK, the i-sells distributor and an approved contractor network.
- Ownership category
- akta.pro rank
Kair Ventilation industry classification
Industry- Product category
- Residential Ventilation Equipment
- NAICS
- Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)
- SIC
- Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)
- akta.pro primary industry
- Fans, Blowers & Ventilation Units (Supply/Exhaust/Inline) (IMADANAB)
- akta.pro secondary industry
- Ventilation System Installation & Repair (Bath/Kitchen Fans, ERV/HRV) (HSAOAIAF)
Keywords
Where Kair Ventilation is headquartered
LocationHeadquarters
- HQ city
- Sidcup
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Kair Ventilation business model
Business model- GTM type
- B2B and B2C
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D
Revenue model
- Hardware Sales - Ventilation Units: Sales of heat recovery ventilators, multi-extract ventilation units, positive input ventilation systems, and extract fans. Products range from single-room units (K-HRV150, KTM125) to whole-house systems (iECO4, K-HRVWH2000).
- Anti-Mould Product Sales: Sales of mould control products including anti-mould paints, surface cleansers, mould eradication additives, and mould sprays. Both consumer (DIY) and professional contractor markets.
- Accessories and Ancillary Products: Sales of ducting, connectors, switches, humidity controls, hygrometers, and other ventilation accessories and ancillaries.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Product-based pricing - individual product purchases |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
Kair Ventilation product offering
Product offeringCore offering
Kair Ventilation supplies residential ventilation products including heat recovery ventilators (HRV/MVHR), multi-extract ventilation (MEV) units, positive input ventilation (PIV) systems, extract fans, plastic ducting, and a complementary range of anti-mould paints, cleansers and biocidal additives. The company sells its own branded products directly to consumers via kair.co.uk and Amazon UK, and to trade installers, housing associations and new build developers through its distributor partner i-sells.co.uk and an approved contractor network.
Product overview
Kair Ventilation offers a comprehensive portfolio of residential ventilation solutions organized into four main categories: Heat Recovery Ventilation (HRV) products including the Kair Heat Recovery Room Ventilator, Kair Mini Single Room Heat Recovery Ventilator, Kair Trakmaster 125 Slimline, and retired models (K-HRVWH2000, K-HRVF100, K-HRVIECO4); Positive Input Ventilation (PIV) products including the Kair Kalahari ECO Loft Unit and retired whole-house/flat input ventilators; Multi Extract Ventilation (MEV) products including the Kair Centrex Inline MEV Unit; and a dedicated Anti Mould product line comprising Kair Anti Mould Paint, Kair Mould Eradication Additive, and Kair Surface Cleanser Concentrate. Supporting these core systems is a range of ducting products (plastic ducting range, thermal ducting, FastSeal connectors), extract fans (Kair Smart Fan, Kair MultiFan, Kair Guardian Power Pro), and monitoring equipment (Kair Hygrometer). The product architecture follows a modular approach where heat recovery ventilators and positive input systems serve as primary whole-dwelling ventilation, supplemented by extract fans for targeted moisture removal and complemented by mould prevention treatments for comprehensive indoor air quality management.
Differentiator
Problem solved
Functional benefit
Products and services
- Kair Heat Recovery Room Ventilator K-HRV150 Room-level heat recovery ventilator that extracts stale air and supplies fresh filtered air while recovering heat energy through a heat exchanger. Targeted at residential rooms requiring fresh air and condensation control.
- Kair Mini Single Room Heat Recovery Ventilator Compact single-room heat recovery ventilator designed to prevent condensation and recycle heat in individual rooms within residential properties.
- Kair Trakmaster 125 Slimline Heat Recovery Ventilation Unit Compact slimline heat recovery unit for single-room or dual-room residential applications with up to 76% heat recovery efficiency, cross-flow heat exchanger, G4 dual filtration, three-speed control and quiet operation down to 24 dB(A). CE marked, compliant with Low Voltage Directive 2006/95/EC, EMC Directive 2004/108/EC and Building Regulations Part F.
- Kair Centrex Inline MEV Unit Centralised multi-extract ventilation (MEV) unit providing continuous background extraction from multiple wet rooms (kitchens, bathrooms, utility rooms) in residential properties.
- Kair Kalahari ECO Positive Input Ventilation Loft Unit Loft-mounted positive input ventilation (PIV) unit that supplies fresh filtered air throughout the property, designed for energy-efficient whole-house ventilation in residential dwellings.
- Kair Smart Fan Intelligent extract fan with automated moisture control capabilities for residential bathrooms and kitchens.
- Kair MultiFan Multi-point extraction fan system designed to ventilate multiple rooms or areas simultaneously within a residential property.
- Kair Guardian Power Pro Powerful centrifugal quiet fan designed for long duct runs, providing efficient extraction in demanding residential ventilation applications.
- Kair Anti Mould Paint High-performance interior emulsion paint with a long-lasting mould-resistant formula incorporating fungicidal additives that form a breathable protective barrier. Low-VOC, washable matt finish suitable for kitchens, bathrooms and other humid areas in residential properties.
- Kair Mould Control Paints & Cleansers Range of mould control paints and cleansers designed to prevent and treat black mould growth on walls and ceilings in residential properties.
- Kair Mould Eradication Additive (50ml) Professional-grade biocidal additive that converts standard emulsion, gloss or wallpaper paste into a mould-resistant coating, treating up to 2.5L of paint. Provides up to 5 years of mould resistance.
- Kair Surface Cleanser Concentrate Professional-strength biocidal wash concentrate (250ml) for cleaning walls, ceilings and surfaces affected by mould or mildew. Dilutes at 1:19 ratio and complies with CHIPS 4 and Control of Pesticides Regulations.
- Kair Plastic Ducting Range Complete range of plastic ducting products used for installing ventilation systems and connecting ductwork in residential buildings.
- Kair Thermal Ducting Insulated ducting products designed to minimise heat loss and maintain thermal efficiency in residential ventilation systems.
- Kair FastSeal Plastic Ducting Connectors Quick-connect plastic ducting connectors designed for easy installation and secure sealing of residential ductwork.
- Kair Hygrometer Device for measuring and monitoring relative humidity levels in indoor spaces, used by homeowners and surveyors to help prevent condensation and mould growth.
Quantifiable outcome
- Up to 91% heat recovery efficiency (iECO4 units)
- +5 more outcomes
Companies that use Kair Ventilation
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles4 records
Kair Ventilation technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature8 records
Kair Ventilation partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- i-sellscorei-sells.co.uk serves as a primary distribution partner for Kair products, making the full product range available to professional contractors, installers, and trade customers. Products including Kair Anti Mould Paint, Surface Cleanser, and Mould Eradication Additive are sold through this channel with dedicated product pages.
Recent moves6 records
Expansion highlights5 records
Kair Ventilation competitors and assessment
Company assessmentBroad incumbents
- Titon Holdings: Titon Holdings is an AIM-listed UK manufacturer of ventilation products (including HRV/MEV), window and door hardware. Its ventilation division overlaps directly with Kair's HRV and MEV offerings for UK new-build and social housing markets, though Titon operates at greater scale across multiple product categories.
- Polypipe Ventilation: Polypipe is a major UK manufacturer of plastic piping and ventilation ducting products. While its ventilation ducting competes directly with Kair's plastic and thermal ducting ranges, Polypipe operates at significantly larger scale across plumbing, drainage, and building products.
- Vent-Axia (Volution Group): Vent-Axia is one of the UK's leading residential and commercial ventilation brands, part of Volution Group plc. It directly competes with Kair in HRV, MEV, extract fans, and ducting for the same UK housing and contractor segments, but operates at substantially greater scale with a broader product portfolio.
- Nuaire (Systemair): Nuaire, now part of Sweden-listed Systemair, manufactures residential and commercial ventilation including heat recovery units in the UK. It competes head-to-head with Kair in HRV/MEV categories serving developers, contractors, and housing associations, with deeper R&D resources and broader international reach.
Direct peers
- EnviroVent: EnviroVent is a UK residential ventilation specialist focused on mould, condensation, and indoor air quality solutions for landlords and homeowners. Its PIV, MEV, and extractor fan range closely mirrors Kair's portfolio and target customer (DIY homeowners, landlords, and housing providers).
- Greenwood Airvac: Greenwood Airvac is a UK-focused residential ventilation specialist producing MEV, HRV, and PIV systems for social housing, developers, and landlords. It is closely comparable to Kair in product mix, customer base (housing associations and contractors), and channel structure, making it a direct mid-market peer.
- Zinsser (Rust-Oleum): Zinsser, a Rust-Oleum brand, sells mould-resistant and anti-mould paints targeted at the same UK DIY and contractor markets as Kair's anti-mould paint and mould eradication additive. It is a directly comparable consumer-side competitor in the chemical/mould-control product category.
- Domus Ventilation: Domus Ventilation supplies mechanical ventilation with heat recovery (MVHR), MEV, and ducting products to UK residential and light commercial markets. Its product mix and channel mix (merchants, distributors, contractors) closely overlap with Kair's, making it a directly comparable mid-market competitor.
- Xpelair (Volution Group): Xpelair, also part of Volution Group, specialises in residential extract fans and bathroom/kitchen ventilation sold through electrical wholesalers and retailers. It competes with Kair's Smart Fan, MultiFan, and Guardian Power Pro ranges for the same DIY and trade-customer pool.
Emerging players
- Blauberg UK: Blauberg UK distributes single-room and whole-house heat recovery ventilation units from European parent Blauberg. It is an emerging competitor in the UK residential HRV space with overlapping products and customer segments (homeowners, small developers) versus Kair.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Kair Ventilation social profiles
Digital presenceKair Ventilation compliance and trust
Trust signalCompliance5 records
Kair Ventilation financial estimates
Financial estimateRevenue estimate
Valuation estimate
Kair Ventilation leadership team
Management profileNumber of profiles
Kair Ventilation funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Kair Ventilation M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Kair Ventilation
What does Kair Ventilation do?
Kair Ventilation supplies residential ventilation products including heat recovery ventilators (HRV/MVHR), multi-extract ventilation (MEV) units, positive input ventilation (PIV) systems, extract fans, plastic ducting, and a complementary range of anti-mould paints, cleansers and biocidal additives. The company sells its own branded products directly to consumers via kair.co.uk and Amazon UK, and to trade installers, housing associations and new build developers through its distributor partner i-sells.co.uk and an approved contractor network.
Is Kair Ventilation a public or private company?
Kair Ventilation is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Kair Ventilation founded?
Kair Ventilation was founded in 2015. It employs 11 to 50 people.
Where is Kair Ventilation based?
Kair Ventilation is headquartered in Sidcup, United Kingdom, in the Europe region.
How does Kair Ventilation make money?
Three revenue lines are on record. Hardware Sales - Ventilation Units are the primary driver. The others are anti-Mould Product Sales and accessories and Ancillary Products.
Who are Kair Ventilation's main competitors?
Broad incumbents on record are Titon Holdings, Polypipe Ventilation, Vent-Axia (Volution Group) and Nuaire (Systemair). Direct peers are EnviroVent, Greenwood Airvac, Zinsser (Rust-Oleum), Domus Ventilation and Xpelair (Volution Group). Blauberg UK is listed as an emerging player.
Does Kair Ventilation have an API?
No public API is recorded for Kair Ventilation.
What industry is Kair Ventilation in?
Kair Ventilation's product category is Residential Ventilation Equipment. Its primary akta.pro industry code is IMADANAB, Fans, Blowers & Ventilation Units (Supply/Exhaust/Inline), with a secondary code of HSAOAIAF, Ventilation System Installation & Repair (Bath/Kitchen Fans, ERV/HRV). Its NAICS code is 333413 and its SIC code is 3564.