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50+ Years
experience
Sustainable Commercial Heating Systems by ELCO
ELCO has been a pioneer in commercial heating solutions since 1928, specialising in high-efficiency heat pumps, condensing boilers, and renewable energy systems. As part of the Ariston Group, we combine over nine decades of innovation with a commitment to sustainability, offering tailored heating technologies for new builds and retrofit projects across Europe. Our expertise spans air source heat pumps, combined heat and power units, and hybrid systems designed to meet ultra-low emission standards.

With a UK headquarters in Basildon and a nationwide service network, we provide comprehensive support from specification to installation. Our dedication to decarbonisation is reflected in award-winning tools like the Hybrid System Selector, which optimises sustainable heating solutions for specifiers. Backed by 35+ years of UK market experience and a legacy of technical excellence, we deliver reliable, energy-efficient systems for commercial, residential, and public sector applications.
Services
Air Source Heat Pumps Condensing Boilers Hot Water Systems Combined Heat Power Hybrid Heating Solutions Commercial Boiler Installation Renewable Energy Systems System Retrofitting Technical Support CPD Training
Details
  • Year established: 1928
Highlights and features
  • We offer 95 years of heritage in commercial heating innovation.
  • Our products achieve ultra-low emissions and BREEAM credit compliance.
  • We provide tailored hybrid system design using proprietary software.
  • Our nationwide service network ensures rapid spare parts delivery.
  • We combine Ariston Group resources with UK-specific technical expertise.
Services
Air Source Heat Pumps
ELCO's commercial air source heat pumps deliver outputs from 24kW to 100kW, utilising R32 refrigerant for efficient heating. These systems produce hot water up to 60C, suitable for both new builds and retrofit projects. Designed for commercial applications, they offer ultra-low energy consumption and minimal environmental impact.
Condensing Boilers
Our high-efficiency condensing boilers feature HEX3 heat exchanger technology, achieving seasonal efficiencies above 90%. With outputs from 34kW to 2MW, these gas-fired systems reduce NOx emissions by 68% below EU limits. Compact modular designs enable flexible configurations for commercial buildings.
Hybrid Systems
ELCO's hybrid systems combine heat pumps with condensing boilers for optimal decarbonisation. The award-winning System Selector tool helps specifiers design solutions that balance renewable energy with traditional heating. These systems meet Part L regulations while maintaining operational efficiency.
Hot Water Production
Commercial hot water solutions include instantaneous gas heaters and indirect calorifiers with capacities up to 5,000 litres. Systems like the TRIGON XL WH deliver up to 10,563 litres/hour, suitable for hotels, leisure centres, and industrial applications. All systems prioritise energy efficiency and low emissions.
CPD Training
We offer CIBSE-approved CPD modules covering heat pump integration, hybrid system design, and condensing boiler technology. Training is delivered at our Midlands centre or on-site, focusing on practical application for specifiers and installers. Courses include hands-on experience with latest heating technologies.
Questions
What commercial heating solutions does ELCO offer?
We provide air source heat pumps, condensing boilers, combined heat and power units, and hybrid systems for commercial applications.
How does ELCO support decarbonisation efforts?
Our systems achieve ultra-low emissions, with heat pumps using R32 refrigerant and boilers exceeding 90% efficiency to reduce carbon footprints.
Do you offer technical support for specifiers?
Yes, we provide CPD training, hybrid system design tools, and nationwide service partner networks for project support.
What sectors do you serve?
We cater to commercial sectors including offices, hotels, education facilities, and public infrastructure projects across Europe.
How can I access product training?
Our Midlands training centre offers hands-on courses, with CIBSE-approved CPD modules available on-site or at our facility.
What warranty applies to ELCO products?
All products include a 12-month parts and labour warranty, with registered installation required for full coverage terms.
Reviews (4)
Adam Peters
Jan 23, 2020 Report
What a joke ELCO, rang technical 3 times and out of that my name & number forwarded twice to them promising to get tech to call me back still nothing after 4 hours called parts department twice and it just kept ringing, swapping out for Remeha's,
Katie Manning
Dec 30, 2018 Report
I had really great service from Ashleigh E, she was helpful, charming and efficient. My boiler is looking good as new and I would happily use their services again.
Sue Whitelaw
Nov 14, 2018 Report
Thank you for fixing our Church boiler and your fast response , Tony who fixed the boiler was very experienced and was polite also thank you to Ashleigh who phoned and ask if everything was ok.Very pleased with Elco.
Martin Taylor
Aug 29, 2018 Report
I have been dealing with Elco for a long period of time now and their service is nothing short of perfect. Pre sales have an untold amount of knowledge and take time to recommend and give an array of options. The latest project Ive been managing has had issues along the line but the service department have been consistently accommodating my requests. I spoke with Ashleigh E on the phone this week and she is the most polite and possibly happiest person Ive ever spoken to. Whenever Ive emailed her she has responded to my requests eloquently even though Im constantly having to change