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Expert Heating Solutions in Winchester
Heat Hampshire specialises in the design, installation, and maintenance of tailored heating solutions for residential and commercial properties. With Gas Safe and OFTEC registered engineers, we prioritise quality workmanship and customer satisfaction, offering services including boiler installations, underfloor heating, powerflushing, and gas safety certifications. Our team of Worcester Bosch Gold Accredited Installers combines technical expertise with a commitment to energy efficiency and environmental responsibility.

We provide 12-month workmanship guarantees and up to 10-year boiler warranties, serving Winchester, Southampton, and surrounding areas. Our approach focuses on clear communication, prompt service, and long-term system reliability, supported by over 600 Checkatrade reviews with a 9.8/10 rating.
Services
Boiler Installation Underfloor Heating Powerflushing Gas Safety Certificates Plumbing Services Boiler Servicing Boiler Repairs
Details
  • Year established: 2012
Highlights and features
  • Worcester Bosch Gold Accredited Installers with specialist product knowledge
  • Gas Safe and OFTEC registered qualified engineers
  • 12-month workmanship guarantee on all installations
  • 9.8/10 rating from 600+ Checkatrade reviews
  • Emergency boiler repair service available
Associations and certifications
  • Gas Safe Register
  • Worcester Bosch Gold Accredited Installers
  • OFTEC registered engineers
What people say
Excellent workmanship Prompt response Professional engineers Great communication Long-term reliability
Services
Boiler Installation
Specialist boiler replacement and installation services using leading brands including Worcester, Vaillant, and Baxi. Our Gas Safe engineers provide expert advice on system selection, with options for combi, system, and regular boilers. All installations include 10-year manufacturer warranties and 12-month workmanship guarantees.
Underfloor Heating
Design and installation of wet underfloor heating systems for new builds and renovations. We work with Uponor and other leading brands to create energy-efficient heating solutions that maximise interior space. Services include system design, installation, and ongoing maintenance.
Gas Safety Certificates
Annual gas safety inspections and CP12 certificate issuance for rental properties. Our engineers conduct comprehensive checks of all gas appliances, flues, and pipework to ensure compliance with The Gas Safety (Installation and Use) Regulations 1998.
Powerflushing
Professional powerflushing services to remove sludge and debris from central heating systems. Using Kamco and Adey equipment, we restore system efficiency and extend boiler lifespan, typically completing the process within 2-4 hours.
Boiler Servicing
Comprehensive boiler servicing to maintain efficiency and warranty validity. Our engineers perform gas tightness tests, combustion analysis, and component inspections to ensure safe operation, with service records provided for all work completed.
People
Alberto Castellon
Senior Heating Engineer & Owner
With over 15 years' experience in the heating industry, Alberto leads our engineering team. He specialises in complex system design and fault diagnosis, holding Gas Safe and Worcester Bosch Gold accreditation. Alberto focuses on customer education and long-term system reliability.
Andy
Senior Heating Engineer
Certified Gas Safe engineer with expertise in boiler repairs and installations. Andy has 12 years' experience in domestic heating systems, specialising in fault finding and emergency repair work across Winchester and surrounding areas.
Sam
Plumber
Skilled plumber with OFTEC registration, Sam handles complex plumbing installations and repairs. He has particular expertise in unvented hot water systems and shower pump installations, serving both residential and commercial clients.
Callum
Heating Engineer
Rising engineer with 5 years' experience, Callum specialises in new boiler installations and powerflushing. He has developed expertise in diagnosing complex heating system issues and implementing effective solutions.
Marc
Plumber
OFTEC registered plumber with experience in both traditional and modern plumbing systems. Marc handles emergency repairs and planned maintenance, known for his problem-solving approach and attention to detail.
Questions
Do you offer emergency boiler repairs?
Yes, we prioritise boiler breakdowns with same-day response where possible during working hours.
Are your engineers Gas Safe registered?
All our heating engineers hold current Gas Safe registration with Worcester Bosch Gold accreditation.
What areas do you cover?
We serve Winchester, Southampton, Eastleigh, Basingstoke, Portsmouth, Salisbury and surrounding Hampshire areas.
Do you provide boiler service guarantees?
We offer 12-month workmanship guarantees and up to 10-year manufacturer warranties on new boilers.
Can you install underfloor heating in existing homes?
Yes, we design retrofit underfloor heating systems suitable for both new builds and property renovations.
Do you handle landlord gas safety certificates?
We provide annual gas safety inspections and CP12 certificates for rental properties across Hampshire.
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Reviews (2)
Devon Aria
May 09, 2018 Report
This should be more then 5 stars very accommodating very understanding, go out of their way to help you, top service with a laugh. Fair priced highly recommend.
Cassi Grace
Jul 05, 2017 Report
Can't rate Heat Hampshire highly enough, Alberto went over and beyond for us and came out at such short notice- super professional and always smiling. Thanks guys xx