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HVAC Refrigeration Companies in Swansea: 182 Active Firms (2026)
HVAC refrigeration companies in Swansea install, maintain and repair heating, ventilation, cooling and cold-chain systems for local buildings and operators.
Buying activity tends to sit with estates, facilities, operations and property teams rather than a single technical buyer. The customer base is mainly commercial, industrial, public-sector and multi-site property operators across Swansea and South Wales, with work split between planned maintenance, reactive call-outs, compliance checks and replacement projects. Engagements range from owner-managed specialist jobs on local premises to recurring service arrangements for buildings that depend on cooling, ventilation or cold-chain uptime. Controls, cold rooms and associated mechanical systems bring the work close to facilities management, so tendering and renewal cycles often follow asset condition, tenant needs and budget windows.
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Swansea has 182 active HVAC refrigeration companies in this cohort, making it a local services market rather than a nationally scaled cluster. The reported employment footprint is 493 people, spread across firms that disclose headcount, which points to a contractor base dominated by small field teams and owner-managed specialists. That shape fits the buying pattern in South Wales: routine maintenance, call-outs and replacement work can be handled locally, while only a small subset is likely to have the commercial capacity for larger multi-site contracts.
Compliance demand is part of the service model rather than a separate niche. For Swansea operators, refrigeration and air-conditioning work tends to carry documentation requirements around maintenance visits, refrigerant handling, safety checks and replacement decisions, especially where cooling failure would affect trading, tenants or stored goods. Public-sector and commercial property customers also tend to buy through framework-style procurement, insurance requirements and site-access controls. That favours contractors able to evidence service history and engineer competence, even when the immediate job is a repair call-out rather than a full replacement project.
Local demand appears likely to remain tied to building stock, cold-chain continuity and the need to keep heating and cooling assets serviceable rather than to a uniform expansion story. The cohort looks weighted towards smaller contractors, so succession, recruitment of field engineers and access to manufacturer training may matter as much as new installation demand. Buyers with multiple premises tend to prefer tighter supplier panels, which can pull work towards contractors with scheduling discipline and compliance paperwork. At the same time, specialist owner-managed firms should remain relevant where response time, local knowledge and plant familiarity outweigh procurement scale.
182
Active firms
2026
2
Over £5M
Reported revenue
58
Recent incorporations
Since 2022
Key facts
About 1% of the trading cohort reports turnover above £5M (2 of 182 firms) — the rest sits below that revenue band.
31% of the cohort was incorporated since 2022 (58 firms), so a sizeable share is in its first few filing cycles.
Swansea buyers tend to value local response coverage because refrigeration failures can affect food storage, workplace comfort and building compliance.
Service contracts often combine planned maintenance, emergency call-outs and compliance checks across heating, cooling and ventilation assets.
Hospitality operators, public-sector sites and facilities managers are recurring buyer groups for HVAC and refrigeration contractors in Swansea.
Procurement usually tests call-out availability alongside installation capability, especially where cooling assets support daily operations.
Top Swansea HVAC Refrigeration companies
Barber Refrigeration
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides installation, servicing and maintenance of refrigeration and air conditioning systems for commercial and industrial customers, including static refrigeration, transport refrigeration units…
Serves commercial and industrial customers in Port Talbot, including businesses with cold rooms, static refrigeration, air conditioning systems and refrigerated transport needing installation,…
Financial Health
StableStable · 0% CAGR over 2y
Location
Facility Services Group Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides facilities management services for commercial, industrial and residential properties, including mechanical and electrical maintenance, air conditioning, cleaning, grounds maintenance, pest…
Serves UK businesses, property managers and organisations in commercial, industrial and residential sectors, including sites needing outsourced facilities management support.
Financial Health
HealthyHealthy · Hiring · 5% CAGR over 4y
Location
ALDEN'S LTD
Trajectory
3y · 2019–NowFinancial sub-scores
Computed from 3 filingsProvides building services engineering including design, installation and maintenance of mechanical, electrical and plumbing systems. Delivers MEP contracting, renewable energy integration, and…
Serves B2B and public-sector clients across pharmaceuticals, commercial property, education, healthcare, hospitality, residential, leisure and student accommodation sectors, typically on larger or…
Financial Health
HealthyHealthy · -18% CAGR over 2y
Location
Quint Heating Services Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · -10% CAGR over 4y
Location
REFRIGERATION AIRCONDITIONING CATERING SERVICES LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsDesigns, supplies and installs commercial kitchen and catering equipment. Provides project management, refrigeration and air‑conditioning systems, equipment leasing, and maintenance services for…
Serves cafes, takeaways, restaurants, hotels, schools, colleges, care homes, hospitals, community centres and public or corporate venues, mainly in South Wales.
Financial Health
WeakWeak · -70% CAGR over 4y
Location
AMROC Heating Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical building services including installation and maintenance of air conditioning, building management systems, electrical systems, gas heating and hot water systems,…
Serves public, private and third-sector organisations across the UK, including commercial property operators, education providers, housing organisations, leisure and entertainment venues, healthcare…
Financial Health
StableStable · -12% CAGR over 4y
Location
A BRIGHT SOLUTION UK LIMITED
Trajectory
5y · 2019–NowFinancial sub-scores
Computed from 5 filingsProvides mechanical and electrical contracting for industrial and commercial projects, including electrical installations, HVAC systems, plant rooms, internal fit‑outs, and groundworks. Manages…
Serves UK main contractors, developers and facilities managers on industrial, commercial, public sector and defence projects, including manufacturing sites and secure multi-site facilities.
Financial Health
StrongStrong · Hiring · 12% CAGR over 6y
Location
Pole to Pole Climate Control Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides installation, maintenance and repair of air conditioning, heating, refrigeration and ventilation systems, along with plumbing services. Offers HVAC inspections, system commissioning and…
Financial Health
HealthyHealthy · -2% CAGR over 4y
Location
Andrew D'Auria Solutions Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing, heating, gas and electrical services for domestic and commercial properties, including boiler installation and servicing, building maintenance, plant room work, safety checks and…
Serves private households and large organisations in Wales, including local councils, social housing providers, church bodies and public-sector sites such as schools, nursing homes and leisure…
Financial Health
StrongStrong · Growing, Hiring · 7% CAGR over 4y
Location
J B HEATING (UK) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides heating and plumbing services including installation, servicing and repair of gas, oil and electric boilers, commercial heating systems and air conditioning. Also offers powerflushing, water…
Serves domestic homeowners, private landlords and commercial premises owners/managers, including customers with gas, LPG or oil heating systems and those seeking finance or boiler cover.
Financial Health
HealthyHealthy · Growing, Hiring · 5% CAGR over 4y
Location
ABERTAWE HEATING & PLUMBING LTD
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
HPL (WALES) LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
Heatsource (Wales) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -7% CAGR over 4y
Location
T & G Gas Services Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
WeakWeak · Hiring · 41% CAGR over 2y
Location
P.C. JENKINS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · -63% CAGR over 5y
Location
Warmserve Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak
Location
Elite Heating Services (Wales) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 6% CAGR over 4y
Location
S Thomas Plumbing & Building Maintenance Ltd
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable · Hiring · 50% CAGR over 1y
Location
HALE HEATING AND PLUMBING LTD
Trajectory
3y · 2022–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
StrongStrong · Hiring · 57% CAGR over 2y
Location
Lee Jones Heating Limited
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
StrongStrong · Growing, Hiring · 26% CAGR over 3y
Location
Sorted! Gas Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
IVD Heating Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
HealthyHealthy · 0% CAGR over 2y
Location
Flush H2O Ltd
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
Warmerhomes Plumbing And Heating Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
StableStable · 0% CAGR over 1y
Location
Db1 Heating & Stoves Ltd
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
AR Plumbing, Heating & Gas Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed · -21% CAGR over 3y
Location
Sgw Plumbing & Heating Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · 0% CAGR over 4y
Location
SA Fletcher Heating & Plumbing Ltd
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable
Location
Energysave Limited
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
DistressedDistressed
Location
S D W Plumbing & Heating South Wales Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
A Plus Plumbing & Heating Ltd
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
AO GAS LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · 0% CAGR over 4y
Location
About Drains Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
Premier Plumbing Ltd
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy · -31% CAGR over 3y
Location
PLUMBTECH 24 HRS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · -24% CAGR over 4y
Location
SMK Plumbing and Heating Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StableStable · Hiring · 24% CAGR over 4y
Location
Plazatheme Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides plumbing and heating services including boiler installations, gas central heating conversions, servicing, landlord gas safety certificates, and maintenance. Installs heating and sanitaryware…
Serves major and local housebuilders, domestic homeowners and landlords, plus commercial clients including supermarket retailers, warehouses, schools and care homes, mainly in South Wales.
Financial Health
WeakWeak · -3% CAGR over 4y
Location
Harry's Heating & Plumbing LTD
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsFinancial Health
DistressedDistressed · 0% CAGR over 2y
Location
Specialist Sprinkler and Plumbing Services Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed · 0% CAGR over 4y
Location
Cambriani Gas Ltd
Trajectory
5y · 2022–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
HealthyHealthy · -24% CAGR over 4y
Location
The Plumbing and Gas Company Ltd
Trajectory
1y · 2025–NowFinancial Health
Insufficient historyInsufficient history
Location
SG Renewable Solutions Ltd
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
STAR GAS SERVICES WALES LIMITED
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsFinancial Health
DistressedDistressed · 0% CAGR over 1y
Location
JMW HEATING AND PLUMBING LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
AQUASERVE PLUMBING & HEATING LTD
Trajectory
4y · 2022–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
HealthyHealthy
Location
J.A Plumbing & Bathrooms Limited
Trajectory
1y · 2024–NowFinancial Health
Insufficient historyInsufficient history
Location
MUMBLES GAS SERVICES LTD
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
DistressedDistressed
Location
BMech Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsFinancial Health
WeakWeak · 0% CAGR over 4y
Location
Thermal Engineering ( Wales ) LTD
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides metal fabrication and ventilation services, specialising in commercial kitchen extraction systems. Manufactures and installs sheet metal products including gates, metal doors, cellar doors…
Serves restaurants, hospitality venues and other businesses with commercial kitchens, plus property owners and contractors requiring metal doors, gates, cellar doors and fire escapes.
Financial Health
WeakWeak · -12% CAGR over 1y
Location
UK REFRIGERATION SERVICES LTD
Trajectory
4y · 2021–NowFinancial sub-scores
Computed from 4 filingsFinancial Health
WeakWeak · -3% CAGR over 4y
Location
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How Swansea HVAC Refrigeration companies work and how to sell to them
What they do
Revenue usually comes from a mix of planned maintenance contracts, reactive call-out fees, installation projects, replacement works and parts mark-ups. Pricing tends to be fixed for defined installation or replacement jobs, with hourly or day-rate charging for repairs and emergency attendance. Recurring service agreements give contractors a steadier base, especially where customers need evidence of inspection visits, refrigerant handling, asset condition and remedial work. The operating model is still labour-led: field engineers, vans, tools, stocked parts and subcontracted specialists where a job crosses into controls, electrical work or wider building services.
Who they sell to
Facilities managers, estates teams and operations managers usually sit closest to the need, with finance and procurement becoming more involved once work moves from repair spend into planned replacement or recurring contracts. Public-sector and larger commercial buyers tend to favour approved supplier lists, framework-style purchasing and documented service histories. Smaller premises may buy directly after a call-out or recommendation. Sales cycles can be short when cooling or ventilation failure interrupts trading, but tendered maintenance panels and capital replacement projects tend to move through site surveys, budget approval and insurance or access checks.
What they buy
Most Swansea HVAC refrigeration firms tend to spend on field-service administration before they spend on corporate systems. Useful categories include job scheduling, mobile engineer reporting, quote-to-invoice tools, CRM, accounting, payroll, vehicle tracking, stock control and compliance document management. Recruitment, training, health and safety advice, insurance, fleet services, workwear, tool supply and local marketing also fit the cost base. Firms taking on larger maintenance panels may need better tender support, subcontractor management, credit control and customer reporting, because missed visits, unsigned job sheets and slow billing can erode margin even when demand is steady.
Why and how to sell to them
Buying intent often appears when a contractor wins a multi-site service agreement, adds engineers, buys additional vans, moves into public-sector work or starts replacing manual job sheets with scheduled workflows. Newer operators may also be setting up basic finance, HR, insurance and compliance processes; 58 Swansea firms in this cohort were incorporated since 2022. Outreach tends to work better when it ties the offer to concrete frictions: reducing missed appointments, producing audit-ready service records, speeding up quotes after site visits, improving first-time fix rates or shortening the gap between completed work and cash collection.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Also in Swansea
Related directories
Frequently asked questions
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