1520 UK heating & ventilation contractors working in the energy sector.
Henman Dunn: Trusted plumbing, heating, and renewable energy specialists in Derbyshire. Gas Safe registered. Domestic and commercial services.
Established in 2006, Heritage Power Ltd is an electrical contractor in the domestic and commercial sectors. Based in Bedford UK, we offer services suc
HF Group is a leading provider of next-generation technologies, offering a comprehensive range of services including electrical, mechanical, HVAC, fir
Cut energy bills & lower emissions with HHE Energy's expert renewable installations. Trust our specialists to futureproof your home or business today.
High Peak Renewables offers expert installation, servicing, and maintenance for energy-efficient heating solutions, including renewable technologies a
Retrofit and Net Zero Solutions for Homes and Businesses Across the Highlands & Islands. We specialise in energy efficiency and renewable energy solut
Hillgreen's energy and drive help clients maximise value from existing and future low carbon investments, with expertise in renewables engineering.
HMS ECO HOMES LTD specializes in high-quality energy efficiency solutions, offering insulation and heating services under the ECO4 scheme for eligible
Expert Geotechnical, Site Investigation & Well Drilling Services. Holequest provide a wide range of services and operate throughout Scotland, northern
Fully Accredited & Certified Renewable Energy Installers of Solar Panels, Battery Storage, EV Chargers & Air Source Heat Pumps in Worksop.
Home Electrical LTD is an experienced electrical contractor operating in Nottingham, Derby and Leicester, offering 24hr emergency callouts and a compr
Home Energy Training Retrofit Alliance (HETRA) provides accredited training for the energy efficiency and retrofit sector in London and across England
Hometree offers comprehensive boiler and home emergency breakdown cover with unlimited repairs and regular maintenance. Compare plans to save money.
Zero-deposit payment plans for new boilers, heat pumps and solar panels. Explore our all-inclusive installation, servicing and repair packages, for co
Horisun Renewable Energy are MCS Accredited installers with over 15 years of experience in solar thermal hot water and solar PV electric installations
Horizon Engineering Solutions provides the only Electrical and Carbon Training Academy in Northern Ireland. Contact us now!
House Heating specialises in installing, maintaining, and servicing premium heating systems for new builds and homes in Surrey and the South East.
HS Renewables is Northern Ireland's specialist in Solar Panel Installation and skilled repair teams, offering a comprehensive range of renewable energ
Supplier & Installer of renewable energy & carbon saving technology. We provide solar PV to help reduce energy costs. Domestic & commercial installati
Your trusted domestic & commercial electrician in Sheffield, serving South Yorkshire. 22 years experience in energy-efficient installations & solution
Hunter's custom modular approach to blast-resistant buildings helps to protect people and equipment in even the most extreme environments.
Hydraflex is a UK manufacturer of EPDM flexibles, metal hoses, and bellows, specialising in bespoke solutions for liquid cooling, plumbing, and indust
Trusted experts in solar, heat pump, EV charger, electrical, and security installations. High-quality solutions for homes and businesses across Scotla
IAG Mechanical: Gas boilers, air conditioning, air source heat pumps and solar PV. Supplied, installed and maintained by a local family business in Br
IBR Energy Solutions Ltd. provides government-backed ECO4 and LA Flex funding for energy-efficient home upgrades including insulation, heating, ventil
Ideal Heating & Gas Ltd offers expert solar energy, boiler, and air source heat pump solutions for homes across the UK, focusing on sustainability and
iFocus Group provides innovative and eco-friendly engineering solutions, blending cutting-edge technology with expert knowledge for efficiency and sus
Igne offers comprehensive ground investigation services, from site surveys to geotechnical analysis. With nationwide reach and expert insight, we prov
Igne offers integrated ground investigation, specialist drilling, UXO mitigation, geo-environmental, and materials testing services across the UK.
Ignira Energy decarbonises UK home heating by making clean heating solutions accessible. They offer heat pump installations with no upfront payment, f
Specialist steeplejack and rope access services for challenging projects at height. Offering precision, safety, and traditional craftsmanship since 20
Specialist steeplejack and rope access services for challenging projects at height. Offering precision, safety, and traditional craftsmanship since 20
Trusted heating engineers and renewable energy specialists based in Oswestry. iHeat Ltd provides expert boiler, plumbing and sustainable solutions acr
IISACCS Limited offers Eco Technical Monitoring Inspections, Green Deal Auditing, Energy Performance Certificates, and Cavity Cleaning Solutions acros
IMI Insulation Ltd are industrial insulation specialists based in Portsmouth with over 40 years of expertise. They offer a range of insulation solutio
Professional Drone Photography and Videography Company providing Drone Photos and Videos to Clients across the UK and Overseas Clients.
Impact Energy specialises in making homes energy-efficient through ECO4 Flex grants, offering services like Air Source Heat Pumps, Solar PV, and insul
Improvenergy Solutions offers free boiler replacement, under floor, room in roof, and external wall insulation grants under the ECO4 scheme. Free ener
Leading specialists in renewable energy. We offer ground & air source heat pumps, solar panels, battery storage, & more. Established since 1997.
Inbox Thermal Solutions is the exclusive UK partner for HydroTop™ heat pump solutions, offering a unique roof-integrated system for homes where conven
i2Cool is at the forefront of electricity-free cooling technology, offering innovative solutions across various sectors such as architecture, power &
Industrial Engineering & Installation Services (IEIS) offer turnkey solutions for fabrication, site and project management across various construction
Scotland's leading electrical, fuel and mechanical contractors since 1968. We deliver exceptional work across transport, local authorities, and chemic
Inet Integrators offers ECO4 grants for home energy upgrades, including boiler replacements, loft insulation, and solar panel installations, to make h
Infinite Eco Solutions is committed to making homes greener by helping customers reduce energy expenses through home improvements under ECO4 and GBIS
Heat Pumps, Solar Panels, EV Chargers & Renewable Energy Specialists across Cambridgeshire & Cambourne. 5 Star Rated - Contact Us Today.
Infinite Renewable Energy offers tailored renewable energy solutions in the West Midlands for domestic and commercial clients. Go green with our servi
Infinity Energy Services supply and install renewable energy solutions to both residential and commercial customers in the south.
Infinity Heat Pumps provides expert installation of air source heat pumps, offering a comfortable and efficient approach to home heating. They handle
Smarter heating for modern living. Authorised Partner of Herschel infrared heaters. Market-leading products known for their design, quality, and innov
Track budgets, committed costs, invoices and profitability in one place, so cost issues show up before they turn into margin surprises.