Biddle UK
Biddle UK is a privately held UK industrial HVAC manufacturer (founded 1929) designing and producing patented air curtains, fan coil units, industrial heaters, and heat recovery systems for retail, education, healthcare, hotel, cold storage, and public-building customers across Europe and North America.
- Company typePrivate
- Founded1929
- HeadquartersNuneaton, United Kingdom
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What Biddle UK does
Biddle UK (legal entity: Carver International Limited, DBA Biddle Air Systems) is a privately held UK industrial HVAC manufacturer founded in 1929 and headquartered in Nuneaton, Warwickshire. The company designs, manufactures, and sells climate control equipment, with its core portfolio centred on air curtains (comfort models such as SR Comfort, Invisidor City, DoorFlow2 and STYLE2; industrial models IndAC2, IsolAir2 and MAT Cold Store), fan coil units (ProAir Series, Comfort Circle2 cassette, DecoQT, DECO, Isotherm, ModulAir), industrial heaters (NOZ2 heating/cooling, Uniflow), commercial heating products (Forceflow fan convectors in H2 Select, CB, LST and Sectional variants plus Comfort Circle2 cassette heater), Air2Air heat recovery systems, and a controls portfolio (B-Touch, B-Connect, E-Controller). Its underlying technology platform rests on six patented innovations including the CHIPS self-regulating control system, i-Sense infrared scanning, Rectifier Technology, Multi Air Stream Technology, Circular Discharge Technology, and Induction Technology, with documented outcomes of up to 94% climate separation efficiency and up to 75% energy savings, plus BMS integration via Modbus and BACnet.
The company's revenue model is hardware sales of proprietary HVAC equipment, complemented by technical services (site surveys, product selection consultations, and CIBSE-accredited CPD seminars). Pricing is quote-based per project rather than list-priced. Go-to-market combines a UK direct enterprise sales team targeting specification markets (consultants, contractors, facilities managers), international distributors in seven European countries (Spain, Hungary, Ireland, Portugal, Romania, Finland, Poland), installation partners (e.g., Clairglow Heating Ltd for UK schools), and a BIMStore marketplace presence. Customer segments span retail (Aldi, Fortnum & Mason), education (multiple UK primary schools and academies), hotels and residential (The Rembrandt Hotel), healthcare, cold storage, public buildings/offices, and logistics/manufacturing, with sales offices in France, Germany, and Canada supporting European and North American reach alongside a second manufacturing facility in the Netherlands.
Biddle UK firmographics
Firmographics- Name
- Biddle UK
- Legal name
- Carver International Limited
- Website
- https://biddle-air.co.uk
- Company type
- Private
- Founded year
- 1929
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- Biddle UK is a privately held UK industrial HVAC manufacturer (founded 1929) designing and producing patented air curtains, fan coil units, industrial heaters, and heat recovery systems for retail, education, healthcare, hotel, cold storage, and public-building customers across Europe and North America.
- Ownership category
- akta.pro rank
Biddle UK industry classification
Industry- Product category
- Commercial HVAC Climate Control Equipment
- NAICS
- Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415)
- 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)
Keywords
Where Biddle UK is headquartered
LocationHeadquarters
- HQ city
- Nuneaton
- HQ country
- United Kingdom
- HQ region
- Europe
Offices5 records
Markets served
Biddle UK business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- HVAC Equipment Sales: Biddle manufactures and sells climate control equipment including air curtains, fan coil units, industrial heaters, and heat recovery systems. Products are sold through direct sales, channel partners, and distributors.
- Technical Services: The company provides technical support, site surveys, product selection consultations, and CPD seminars as part of its customer engagement and sales process.
Go-to-market motion2 records
Distribution channels4 records
Marketing channels8 records
Biddle UK product offering
Product offeringCore offering
Biddle UK (legally Carver International Limited, trading as Biddle Air Systems) designs, manufactures, and sells HVAC climate control equipment including comfort and industrial air curtains, fan coil units, industrial air heaters, fan convectors, and heat recovery systems. The company provides site surveys, technical consultations, and CPD seminars to specification markets such as consultants, contractors, and facilities managers across retail, education, healthcare, hotels, cold storage, public buildings, and industrial sectors.
Product overview
Biddle UK offers a comprehensive portfolio of HVAC climate control solutions designed for commercial, industrial, education, and cold storage applications. The product range centres on air curtains (comfort models including SR, Invisidor City, DoorFlow2, and STYLE2; industrial models including IndAC2, IsolAir2, and MAT Cold Store), industrial air heaters (NOZ2 heating/cooling and Uniflow), fan coil units (ProAir Series, Comfort Circle2 cassette units, DecoQT, DECO, Isotherm, and ModulAir ranges), and commercial heating products (Forceflow fan convectors in H2 Select, CB, LST, and Sectional variants, plus Comfort Circle2 cassette heater). Supporting products include Air2Air heat recovery systems and a comprehensive controls portfolio (B-Touch panel, B-Connect, E-Controller, and B-Control) with BMS integration via Modbus and BACnet protocols. Products are designed for energy efficiency with intelligent controls and LTHW compatibility for heat pump integration.
Differentiator
Problem solved
Functional benefit
Products and services
- Comfort Air Curtains Range of air curtains (SR Comfort, Invisidor City, Invisidor DoorFlow2, Invisidor STYLE2) for commercial entrances such as retail stores, hotels, offices, and public buildings, providing climate separation at doorways. Features i-Sense infrared scanning, CHIPS automatic control, rectifier technology, and controlled air strength with up to 94% climate separation efficiency.
- Industrial Air Curtains Range of industrial air curtains (IndAC2, IsolAir2, MAT Cold Store) for industrial doorways up to 6 metres high and cold stores with temperature differences up to 30-40°C. Features CHIPS automatic control, Double Rectifier, and Multi Air Stream Technology. MAT Hybrid model achieves up to 80% energy savings.
- Industrial Air Heaters NOZ2 heating, NOZ2 cooling, and Uniflow industrial air heaters for factories, warehouses, exhibition halls, sports centres, and showrooms. NOZ2 features six adjustable nozzles, inductive effect, CHIPS automatic control, and 0.25°C per metre temperature gradient.
- Fan Coil Units Fan coil units including ProAir Series, Comfort Circle2 Cassette Units, DecoQT, DECO, Isotherm, and ModulAir ranges. Available in ceiling void and exposed configurations with cooling outputs from 2kW to over 12kW. EC/DC motors with sound-reducing internal lining and factory-fitted controls from EasyIO, Distech, or Johnson Controls.
- Commercial Fan Convectors and Heating Forceflow fan convectors (H2 Select, CB, LST, Sectional variants) and Comfort Circle2 cassette heaters for classrooms, offices, corridors, libraries, nurseries, and SEN settings. Outputs up to 19.92 kW. Heat pump compatible with LTHW operation at 60/40°C for PSDS-funded low-carbon upgrades.
- Air2Air Heat Recovery System Heat recovery system for ventilation applications, recovering energy from exhaust air to precondition incoming fresh air.
- HVAC Controls Portfolio B-Touch touch screen control panel, B-Connect hybrid control option for MAT Cold Store air curtains, and E-Controller for Invisidor DoorFlow2 air curtains. BMS integration via Modbus and BACnet protocols for remote monitoring and control.
- CPD Seminars and Technical Services CIBSE-accredited CPD courses on Air Curtain Technology and Fan Coil Unit design considerations, alongside technical consultations, site surveys, and product selection support for specification professionals.
Quantifiable outcome
- Up to 94% climate separation efficiency with SR Comfort Air Curtain
- +6 more outcomes
Companies that use Biddle UK
Customer profileNamed customers10 records
Segments7 records
Ideal customer profiles6 records
Biddle UK technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration6 records
AI capability2 records
Feature10 records
Biddle UK partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered core and minor.
- Clairglow Heating LtdcorePartnership with Clairglow Heating Ltd for school heating installations. Based in Sevenoaks, Kent with over 47 years of industry expertise. Collaborated on heating refurbishment projects for three London Borough of Croydon schools (St Giles School, Greenvale Primary School, and Ridgeway Primary School & Nursery).
- TayraminorDistributor for Biddle products in Spain. Located at Paseo de la Castellana, 153 Bajos, 28046 Madrid.
- Ice-Star Szerviz KftminorDistributor for Biddle products in Hungary. Located at H-4030 Debrecen, Galamb u. 6.
- BrookventminorDistributor for Biddle products in Ireland. Located at Brook House, Dunmurry Industrial Estate, Dunmurry, Belfast, Co. Antrim, BT17 9HU.
- Termomat, SAminorDistributor for Biddle products in Portugal. Located at Rua Prof. Dr. José Pinto Peixoto Peixoto 30 – F, 2740-252 Lisboa.
- AB TehnicminorDistributor for Biddle products in Romania. Located at Str. Alunisului Nr. 164, Sector 4, Bucuresti.
- Stravent OyminorDistributor for Biddle products in Finland. Located at Piispantilankuja 4, 02240 Espoo.
- TeklimminorDistributor for Biddle products in Poland. Located at ul. Wólczyńska 133, 01-919 Warszawa.
- Indigo RiverminorThird party provider used to deliver Biddle's e-newsletters. Gathers statistics around email opening and clicks using industry standard technologies including clear gifs.
- BIMStorecorePlatform for hosting and distributing Biddle's BIM models for specification professionals. Enables architects and engineers to access and download product BIM files.
- HootsuiteminorThird party service used to manage social media interactions. Direct messages via social media are stored by Hootsuite for three months.
Scale indicators2 records
Recent moves6 records
Expansion highlights6 records
Biddle UK competitors and assessment
Company assessmentBroad incumbents
- Systemair: European HVAC manufacturer offering ventilation, heating and air-distribution products. Overlaps with Biddle in commercial air-handling and heating but operates as a broad incumbent rather than an air-curtain specialist.
- Daikin: Global HVAC and refrigeration OEM with strong UK/EU commercial presence. Competes with Biddle indirectly through integrated HVAC systems, heat pumps and controls that can displace standalone air curtains and FCUs in specification bids.
- Trane Technologies: Global commercial HVAC and controls manufacturer. Competes with Biddle through broader heating/cooling/controls portfolios and has the scale to bundle climate-separation functionality into integrated system offerings for large commercial and public-sector projects.
- Panasonic Heating & Ventilation: European HVAC/heat-pump manufacturer with commercial air conditioning, ventilation and control products. Comparable to Biddle on FCU and indoor-climate offerings, with broader portfolio and greater resources for specification engagement.
- Swegon: European indoor climate solutions provider with a portfolio spanning air-handling units, fan coil units, chillers and climate-control components. Comparable on FCU and indoor climate products (ProAir, Comfort Circle2) but operates across a much wider HVAC portfolio.
- Mitsubishi Electric: Global HVAC/heat-pump OEM with commercial and industrial product lines overlapping Biddle's fan coil, heating and ventilation offerings. A key competitor as decarbonisation shifts specifiers toward full-system suppliers.
Direct peers
- Thermoscreens: UK-based manufacturer of air curtains for commercial and industrial doorways. Closest direct competitor to Biddle's SR Comfort, IndAC2 and Invisidor ranges, competing on similar specification-led channels in retail, healthcare and education.
- Berner International: US-headquartered manufacturer of air curtains and air doors for commercial and industrial applications. Comparable to Biddle on product category, climate-separation positioning and energy-efficiency messaging for retail/cold storage customers.
- Curtron Products: Manufacturer of air curtains and air doors for industrial, commercial and cold-storage entrances. Directly comparable to Biddle's industrial and cold-store curtain portfolio (IndAC2, MAT, IsolAir2), with overlapping cold-storage customer segment.
Emerging players
- Rinnai UK: UK commercial heating and hot-water solutions provider. Overlaps with Biddle on commercial heating and decarbonisation positioning for commercial and public-sector customers, particularly around low-carbon and heat-pump-ready products.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Biddle UK social profiles
Digital presenceBiddle UK compliance and trust
Trust signalCompliance3 records
Biddle UK financial estimates
Financial estimateRevenue estimate
Valuation estimate
Biddle UK leadership team
Management profileNumber of profiles
Profiles3 records
Biddle UK funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Biddle UK 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 Biddle UK
What does Biddle UK do?
Biddle UK (legally Carver International Limited, trading as Biddle Air Systems) designs, manufactures, and sells HVAC climate control equipment including comfort and industrial air curtains, fan coil units, industrial air heaters, fan convectors, and heat recovery systems. The company provides site surveys, technical consultations, and CPD seminars to specification markets such as consultants, contractors, and facilities managers across retail, education, healthcare, hotels, cold storage, public buildings, and industrial sectors.
Is Biddle UK a public or private company?
Biddle UK is a private company. It is classified as unknown and is currently operating.
When was Biddle UK founded?
Biddle UK was founded in 1929. It employs 251 to 500 people.
Where is Biddle UK based?
Biddle UK is headquartered in Nuneaton, United Kingdom, in the Europe region.
How does Biddle UK make money?
Two revenue lines are on record. HVAC Equipment Sales are the primary driver. The others are technical Services.
Who are Biddle UK's main competitors?
Broad incumbents on record are Systemair, Daikin, Trane Technologies, Panasonic Heating & Ventilation, Swegon and Mitsubishi Electric. Direct peers are Thermoscreens, Berner International and Curtron Products. Rinnai UK is listed as an emerging player.
Does Biddle UK have an API?
No public API is recorded for Biddle UK.
What industry is Biddle UK in?
Biddle UK's product category is Commercial HVAC Climate Control Equipment. Its primary akta.pro industry code is IMADANAF, Heat Exchangers, Coils & Hydronic HVAC Components. Its NAICS code is 33341 and its SIC code is 3585.