Working in partnership with our customers

Adveco Ltd. and sister-company Adveco (AWP) Ltd, which trades as A.O. Smith Water Heaters, have been suppliers of products and services for commercial water heating projects for the past 50 years.
Today, Adveco Ltd. is the trusted specialist provider of bespoke, low carbon hot water and heating systems to the building services industry. We provide a wide range of options for gas and electric water heating, incorporating the latest gas water heaters and boilers, thermal storage, heat pumps, solar thermal and heat recovery technologies. From individual appliances to full systems that can be packaged or even built off-site and delivered ready for installation, Adveco is able to support projects with bespoke offerings that ensure optimal and cost-effective operation and a route to reducing carbon emissions from your buildings.
Committed to partnering with its commercial and public sector customers, Adveco helps create comfortable, efficient, functional, safe and sustainable buildings through invaluable support in the design, supply, commissioning and service of business-critical hot water and heating.
Our industry-leading Technical & Design teams support contractors with a single, versatile, specialist sales resource that ensures delivery of the most cost-effective system. Specifiers and designers gain informed support and partnership for the design and delivery of industry-defining systems optimised to be highly efficient. Adveco also offers a full range of service and preventative maintenance packages designed to fit the specific needs of the client. Facility Managers gain reliable, business-critical hot water and heating systems that exhibit maximum system performance for reduced carbon emissions, low running costs, ease of management and longevity to realise low total cost of ownership.
WHY ADVECO?
50 years of expertise
Adveco Ltd. is the sister company to Adveco (AWP) Ltd, who trade as A.O. Smith Water Heaters in the UK
Highest quality products and services
We prioritise our clients’ needs to deliver bespoke, practical systems
Full aftersales support
Maintenance and service packages, commissioning, spares, warranty and technical support for your application




2023
Energy Awards Finalist
Adveco’s work to deliver Live Metering for site assessment and application design to better manage capital investment for the transition from gas to electric water heating systems as part of a wider sustainability strategy is recognised in the Energy Project of the Year – Public Sector category of the Energy Awards.
2023
Packaged solar thermal systems demonstrated
Adveco demonstrates a range of packaged options for low-carbon, cost-controlling application across gas-fired and electric water heating systems, including hybrid ASHP
2023
Adveco named finalist in the HVR Awards
Live Metering shortlisted for 2023 HVAC Initiative of The Year Award Adveco FUSION E & T Range named finalist in the HVR 2023 Commercial Heating Product of the Year
2023
FUSION E & T ranges launch
Adveco launches next-generation FUSION, a completely revised and expanded range of pre-sized, low-carbon electric water heaters (Fusion-E) and packaged renewable water heaters (FUSION-T)
2023
Adveco awarded Sustainability Products & Services Award
Adveco receives the Sustainability Products & Services Award from Building & Construction Review Magazine
2023
Live Metering service introduced
Adveco launches its live hot water system metering service for commercial buildings helps avoid costly investment in oversized design when replacing gas with electricity with full data analysis and report generation for optimal replacement system recommendation
2023
BCR Heating & Ventilation company of the Year
Adveco receives the Company of the Year Heating & Ventilation Award from Building & Construction Review Magazine
2022
20% hydrogen ready gas water heaters
ADplus and AD condensing gas water heaters, and MD gas boilers are all 20% hydrogen blend ready without the need for any modification for commercial DHW or heating projects.
2022
Adveco named Buildings & Facilities News Company of the Year
Adveco is named Company of the Year by Buildings & Facilities News Magazine.
2022
Adveco named Finalist in the HVR Awards
Adveco AD Water Heater range is named a finalist in the Commercial Heating Product of the Year category Adveco FUSION named a finalist in the Heat Pump Product of the Year category
2022
AD range named finalist in the H&V News Awards
AD water heater range selected as a finalist in the commercial heating category of the H&V News Awards 2022.
2022
Adveco launches the ARDENT electric boiler range
Encompassing wall-hung and floor-standing variants with heat outputs from 12 to 100 kW, ARDENT provides an easy-to-integrate, high-capacity, reliable, and compact response for electric hot water and central heating demands in commercial buildings.
2022
Adveco introduces the ADplus Range
Adveco ADplus range of high-power gas-fired condensing water heaters featuring an integrated 120-litre stainless steel water storage tank for instantaneous continuous and on-demand domestic hot water (DHW).
2022
FUSION named National Heat Pump Awards Finalist
Commercial hot water specialist Adveco has been named as a finalist in the 2022 National ACR & Heat Pump Awards for its FUSION FPH-S range of low carbon, all-electric, packaged hybrid hot water systems
2022
Adveco named Finalist in the Energy Savings Awards
FUSION chosen as a finalist product in the commercial heating category of the Energy Saving Awards
2022
GL
Adveco Launches The GL Family Of Carbon Steel Tank
2022
AD Water Heater Range introduced
Adveco AD: Providing Continuity of Service in Soft Water Conditions with a range of condensing gas-fired water heaters for commercial applications
2021
Adveco FUSION launches
FUSION Commercial Hybrid Hot Water Systems from Adveco
2021
ATSx stainless steel tanks range launched
Adveco ATSx Stainless Steel Hot Water Tanks for Soft Water Areas
2021
HVR Award Winner
Adveco Low Carbon Packaged e32-Hot Water System receives a highly commended award at the HVR Awards
2021
FPi32 ASHP National Heat Pump Award Finalist
Adveco FPi32 Range Named Finalist in 2021 National ACR & Heat Pump Awards
2021
Adveco launches FPi32 Air Source Heat Pump
Adveco Reduces the Global Warming Potential of FPi Heat Pumps by 80%
2021
50 years of Adveco
Adveco Ltd. celebrates its 50th anniversary
2020
E-Packaged Plant Room HVR awards finalist
Adveco’s Packaged e-Hot Water System Named Finalist in 2020 HVR Awards
2020
L70 ASHP launched
Adveco launches the L70 ASHP for larger-scale commercial DHW applications
2020
HR001 highly commended
Adveco HR001 Heat Recovery Unit wins Highly Commended accolade in as H&V News Commercial Heating Product of the Year
2020
Adveco wins Frost & Sullivan Technology Innovation Leadership Award
Awarded a Frost & Sullivan Technology Innovation Leadership Award for work in developing commercial micro-CHP in Europe.
2020
MD Wall mounted range launched
MD Wall mounted range of gas boilers launched Adveco HR001 Heat Recovery Unit named a finalist in H&V News Commercial Heating Product of the Year
2019
Adveco introduces its first Air Source Heat Pump
The FPi Range of Air Source Heat Pumps for commercial hybrid systems are launched
2019
MD named finalist in the HVR Awards
MD Boiler Range named commercial heating product finalist in the HVR Awards.
2019
HR001 named HVR sustainable product of the year finalist
HR001 Heat Recovery Unit is named a finalist in the sustainable product of the year award.
2019
Best Commercial HVAC Product of the Year
Adveco’s MD Boiler Range Highly Commended as Best Commercial HVAC Product of the Year in the 25th Anniversary H&V News Awards.
2018
MD Boiler range launches
Adveco Ltd. Introduces MD Boiler Range of high efficiency condensing boilers
2017
Innovo gas water heater lunched
Adveco (AWP) Ltd. introduce the A.O. Smith Innovo condensing gas water heater and Instano wall-hung condensing boiler ranges.
2017
European expansion
Adveco Ltd. open a second European sales office in Zaventum, Belgium.
2016
First European office opens
Adveco Ltd. expands to Europe with their first sales office located in Amsterdam, Netherlands.
2015
Five new ranges of heating & hot water vessel introduced
Adveco Ltd. introduces the MSS, MST, and SSB-SSI-SST ranges of heating and hot water vessels to the U.K.
2015
TOTEM m-CHP introduced to the UK
Adveco Ltd. enters into an exclusive U.K. distribution agreement with Totem-Energy S.r.l. for the TOTEM CHP.
2015
A.O. Smith Water Heaters & Adveco Ltd. t
The company rebrands to Adveco (AWP) Ltd. and trades as A.O. Smith Water Heaters. Adveco Ltd. is established as an independent sister company to Adveco (AWP) Ltd, providing complementary products to enhance the company offering.
2013
Expansion of the Adveco headquarters
The Farnborough office expands, doubling in size to accommodate the company’s continuing growth.
2009
The launch of A.O. Smith Solar Thermal Systems
The A.O. Smith solar thermal hot water system is launched in the U.K.
2009
Adveco Ltd.
Advance Services (Sales) Ltd. becomes Adveco Ltd, continues trading as A.O. Smith Water Products.
2004
New HQ established
A.O. Smith Water Products moves to the current headquarters in Farnborough, Hampshire.
2002
Adveco named UK innovator of gas-fired water heaters
BSRIA acknowledges the company as the instigator of direct gas-fired water heaters in the UK.
2000
Daniel O’Sullivan retires
Daniel O’Sullivan retires from Advance Services (Sales) Ltd. David O’Sullivan becomes Managing Director.
1989
David O’Sullivan joins the company
David O’Sullivan joins Advance Services, following in the footsteps of his father Daniel.
1998
Introducing A.O.Smith Water Products
Advance Services adopts the trade name A.O. Smith Water Products and solely supplies A.O. Smith products to the U.K.
1972
A.O. Smith Distribution Begins
Advance Services is acknowledged by A.O. Smith as the U.K. distributors of A.O. Smith products.
1971
Adveco is founded
Advance Services (Sales) Ltd. is incorporated October 18th by Daniel O’Sullivan, a former Potterton engineer, as an interparts stockist and service provider. Originally operating out of New Malden and Manchester, a single long-term office is established in Addlestone, Surrey.
Advance Services begin supplying packaged hot water systems to the U.K. laundrette industry featuring Potterton Diplomat glass-lined boilers and galvanised steel tanks. Soon after, a deal is made with the A.O. Smith Corporation to create the first ever direct fired gas water heaters for the U.K.
“We now have 17 UB heating boilers and 6 BFC water heaters across our estate and we have found the technical support and back up from Adveco to be excellent.”
Brian Rollason, MBIFM |
Building Services Engineering Manager |
Rugby School Estates Department
“As professionals, we are always looking at various options on behalf of our clients to ensure that the requirements of Part L2 are not only met, but where possible exceeded.”
James Massey, MBIFM |
Projects Director |
TACE

