Heating & ventilation contractors working in residential

7903 UK heating & ventilation contractors working in the residential sector.

• O ONE CALL HVAC LTD London · Heating & ventilation

  Trusted local HVAC installation, repair, and maintenance services across all 32 London boroughs. Licensed, insured engineers with upfront pricing and

• O One Click Centre Limited London · Bathroom fitting · 1-9 employees

  Expert bathroom fitters offering seamless renovation services including showers, plumbing, electricity, underfloor heating, wallpapering, painting, an

• O One Electrical Services (N.I.) Ltd Belfast · Electrical

  One Electrical Services is a Belfast-based company providing a first-class electrical, plumbing, and heating service for homes and businesses across N

• O One Mep Ltd Bedford · M&E contracting · 10-49 employees

  ONE MEP is a professional and reliable MEP contractor offering value, quality, and practical solutions for improving the built environment. Vision to

• O One Stop Electrical Gas Solutions Ltd Coventry · Electrical

  Need an Electrician or Gas Engineer in Coventry? One Stop Electrical Gas Solutions Ltd offers boiler repairs, EICRs, rewires, fault finding, and EV ch

• O ONE-STOP APPLIANCE REPAIRS Caerphilly · Electrical · 1-9 employees

  One Stop Appliance Repairs offers reliable appliance repairs in Cardiff, Caerphilly, and Newport. Authorised repair agents for Domestic & General and

• O Onecall Solutions Ltd Surrey · Kitchen fitting

  Friendly home improvement company in Surrey & London. Services include kitchens, bathrooms, plumbing, electrical, carpentry, tiling, flooring, and dec

• O Oneheat Ltd Barnsley · Heating & ventilation · 1-9 employees

  South Yorkshire's trusted heating, boiler & air conditioning specialists. Gas Safe-registered engineers delivering boiler installations, servicing, ra

• O OneProtect London · Heating & ventilation

  OneProtect offers boiler, central heating, and plumbing cover plans for homeowners and landlords, providing 24/7 support and specialist engineers for

• O OneServ Ltd Goole · Plumbing

  Need a reliable local Plumbing, Heating & Boiler company in Yorkshire? OneServ is a one-stop shop for all your Plumbing, Heating & Boiler needs.

• O Onflo Plumbing & Heating Services Spennymoor · Plumbing · 1-9 employees

  Onflo is a family-run plumbing and heating company offering boiler installations, servicing, repairs, and full bathroom renovations across County Durh

• O Ongo Roofing Ltd Scunthorpe · House builder · 10-49 employees

  Ongo provides over 10,000 affordable homes for rent and sale across Greater Lincolnshire, South Yorkshire and surrounding areas, focusing on creating

• O Onkar Builders Slough · Main contractor · 1-9 employees

  Onkar Builders Ltd offers quality building, renovation, electrical, and heating/AC services across London and surrounding counties. Satisfaction guara

• O Only Living Ltd St. Leonards-On-Sea · Plumbing

  Friendly, local, and trusted plumbing and heating experts offering bathroom upgrades, boiler servicing, emergency repairs, and general plumbing servic

• O ONLYHEATING.COM Altens · Heating & ventilation · 10-49 employees

  ONLYHEATING.COM Ltd offers central heating, gas services & plumbing in Aberdeen, Inverurie & Stonehaven. Authorised & regulated by the FCA.

• O Ontime Contractors Ltd Nottingham · Main contractor · 1-9 employees

  Ontime Contractors Limited is a construction company operating across the UK, offering a wide range of services from new builds to renovations. They f

• O ONTIME ECO ENERGY SOLUTIONS LTD Stockport · Heating & ventilation · 1-9 employees

  Ontime energy solutions is a reputable engineering company providing comprehensive services to residential clients. With expertise in heating, cooling

• O Ontime Heating And Plumbing Ltd Birmingham · Plumbing · 1-9 employees

  Ontime Heating and Plumbing Ltd offers expert plumbing and heating services across Birmingham and the West Midlands. We handle everything from boiler

• O OnTime Plumbers Hainault · Plumbing

  OnTime Plumbers is a trusted London-based plumbing company offering 24/7 emergency services. Established in 2012, we provide fast, reliable, and affor

• O Ontop Electrical Ltd Nottingham · Electrical · 1-9 employees

  Ontop Electrical provides high-end bespoke electrical solutions for private, commercial and industrial clients across Nottinghamshire, Derbyshire and

• O Onyx Plumbing Brentwood · Plumbing

  Onyx Plumbing Ltd offers Gas Safe registered plumbing, boiler, and heating services in South Essex. Established in 2009, they focus on quality workman

• O Onyx Solutions Ipswich · M&E contracting · 10-49 employees

  Onyx Solutions Ltd is a trusted provider of building and facilities services, delivering high-quality solutions across the region. Part of the EPPH Gr

• O Onyx Vans Horsham · Design & build · 1-9 employees

  Onyx Vans is a specialist manufacturer of adventure campervans, built on the MAN TGE platform in West Sussex. Explore the range and book a discovery c

• O Opal Construction (Nw) Ltd Manchester · Main contractor · 1-9 employees

  100% customer satisfaction in the Greater Manchester area. Specialising in building work including extensions, decking, groundwork, staircases, window

• O Opal Energy Ltd Oldham · Insulation · 1-9 employees

  Opal Energy provides government-funded energy-efficient home improvements, making homes warmer and greener. Specialising in insulation and heating con

• O Opalux Group Ltd Gloucester · Electrical

  Opalux Group provides expert electrical, mechanical and construction services across Gloucestershire and The Cotswolds.

• O Openfix Ltd Newcastle-Under-Lyme · Heating & ventilation · 1-9 employees

  OpenFix offers comprehensive home and boiler cover with unlimited repairs, fast response, and a price match guarantee. Rated 5 Stars by Defaqto.

• O OPTAMA LTD Glasgow · Solar PV · 10-49 employees

  Optama Renewables is a leading renewable energy company in Scotland, specialising in sustainable heating and energy solutions like solar PV, heat pump

• O Optimal Cooling Manchester · Air conditioning · 1-9 employees

  Expert air conditioning installation and repair services for homes and businesses across Greater Manchester. We offer efficient, bespoke cooling and h

• O Optimal Energy Solutions Ltd Grays · Solar PV · 1-9 employees

  Optimal Energy Solutions specialises in designing and installing solar PV systems, solar battery storage, air source heat pumps, and EV charging solut

• O Optimal Heating & Cooling London · Heating & ventilation · 1-9 employees

  Gas, heating & air conditioning engineers for homes and businesses across the West Midlands & nationwide. Installations, servicing, repairs.

• O Optimal Interiors Maidstone · Refurbishment · 1-9 employees

  Optimal Interiors Limited offers professional home refurbishment services including kitchens, bathrooms, tiling, plastering, and underfloor heating ac

• O Optimal Property Maintenance London · Refurbishment · 1-9 employees

  Optimal Property Maintenance offers a comprehensive range of property maintenance services, including refurbishment, painting, roofing, electrical, an

• O OPTIMAL RENEWABLES LIMITED Stirling · Heating & ventilation

  Expert heat pump installers in Central Scotland, specialising in air source and ground source heat pumps for homes and businesses. MCS-certified profe

• O Optimum Hvac Ltd St. Leonards-On-Sea · Heating & ventilation

  Plumbing, Heating & Cooling in East Sussex, from Optimum HVAC, backed by 120+ Google Reviews. Booked properly. Turned up on time.

• O Optimum Plumbing & Heating Ltd Peterborough · Plumbing

  Optimum Plumbing and Heating Ltd is a family-run business in Peterborough with over 20 years of experience, offering value for money services.

• O Optimus Facilities Ltd Liverpool · M&E contracting

  Optimus Facilities: Your Building Services & Engineering Partner. Specialising in mechanical & electrical systems design and installation across the N

• O Opus Plumbing And Heating Ltd Chesterfield · Plumbing · 1-9 employees

  OPUS Plumbing & Heating offers the highest quality plumbing and heating services through our specialist, reliable tradespeople and staff.

• O ORANGE LLAMA Cardiff · Design & build · 1-9 employees

  Orange Llama offers design and construction innovation in South Wales, specializing in smart technology integration for dream builds and renovations.

• O ORB MECHANICAL & ELECTRICAL LTD Bristol · M&E contracting · 10-49 employees

  Leading M&E contractors in Bristol. NICEIC accredited electrical installations, mechanical services, and M&E design for commercial and residential pro

• O Orbel Services Ltd Basingstoke · Heating & ventilation · 1-9 employees

  Orbel Services Ltd offers reliable and efficient heating and plumbing services in Basingstoke and Four Marks. Established in 1986, we pride ourselves

• O ORCA Gas Services N. Sunderland · Heating & ventilation · 1-9 employees

  Orca Gas Services N.E. is a Sunderland-based family company with over 20 years of experience in the gas industry, offering boiler, fire, and cooker se

• O ORCA Plumbing & Heating Ltd Crawley · Plumbing · 1-9 employees

  ORCA Plumbing & Heating offer domestic and commercial plumbing, heating, and gas services across Crawley, East Grinstead, Horley, and surrounding area

• O Ordon Ltd Dartford · Main contractor · 1-9 employees

  Ordon Ltd is a building contractor based in London, focused on providing high-quality service and customer satisfaction. They offer a range of service

• O Ore Valley Heating Ltd Lochgelly · Heating & ventilation

  Ore Valley Housing Association (OVHA) provides affordable housing and community support in Fife. They also operate subsidiaries for mid-market rent, c

• O Orestone Basingstoke · Fire protection · 10-49 employees

  Orestone - a safer, smarter future - A Highly Accredited Integrator of Fire, Evacuation, Assisted Living & Safety Systems.

• O Origin Electrical And Mechanical Services Ltd Ossett · Electrical · 1-9 employees

  Expert electrical and mechanical services for residential and commercial clients across the UK. Committed to quality, safety, and innovation.

• O Origin GPH Glasgow · Plumbing

  Origin GPH offers expert plumbing, heating, and boiler services in Glasgow and surrounding areas. Established in 2019, they provide reliable solutions

• O Origin Heating Ltd Addlestone · Heating & ventilation

  Local Gas Safe heating engineer covering Addlestone & Surrey. Boiler repairs, servicing, installations and landlord certificates. 21+ years' experienc

• O Original Heating Ltd Londonderry · Heating & ventilation · 1-9 employees

  Original Heating Limited specialises in biomass heating solutions for domestic, commercial, and agricultural sectors, offering a range of boilers and