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Expert HVAC Contractors in Southampton
Safety Gas is a trusted local business serving Southampton and surrounding areas with expert central heating and gas services. With decades of combined experience, we are Gas Safe registered and fully insured, offering a professional yet approachable service for domestic customers. Our team specialises in boiler installations, repairs, underfloor heating, and unvented hot water systems, prioritising reliability and energy efficiency.

We provide 30-day labour warranties on all work and serve locations including Portsmouth, Salisbury, and Bournemouth. Customer satisfaction remains our core focus, evidenced by our high rate of repeat business and referrals.
Services
Boiler Installations Boiler Repairs Underfloor Heating Unvented Hot Water Systems Central Heating Installation
Highlights and features
  • Gas Safe registered engineers for all domestic gas work
  • 30-day labour warranty on all installations and repairs
  • Specialists in energy-efficient boiler and underfloor heating systems
  • Serving Southampton and surrounding areas including Portsmouth
  • Established reputation with 95% returning customers
Associations and certifications
  • Gas Safe
What people say
Knowledgeable and helpful Reliable service Excellent workmanship
Services
Boiler Installations
Expert gas boiler installations tailored to your home's needs. We handle system design, boiler selection and safe installation. Our Gas Safe engineers ensure optimal performance and energy efficiency with modern ErP A-rated boilers. Ideal for replacement or new installations.
Boiler Repairs
Fast and reliable boiler repair services for all makes and models. Our experienced technicians diagnose and fix leaks, strange noises and complete breakdowns. Emergency callouts available for urgent heating issues.
Underfloor Heating
Efficient underfloor heating systems providing even heat distribution. We design and install systems suitable for new builds and renovations. Benefits include energy efficiency and freed-up wall space for improved room layout.
Central Heating Installation
Comprehensive central heating system upgrades for improved home comfort. Includes boiler replacement, radiator installation and system optimisation. Our installations focus on maximum warmth and energy efficiency.
Gas Safety Certificates
Annual gas safety inspections for landlords. We check all gas appliances and systems to ensure tenant safety and legal compliance. Issued by Gas Safe registered engineers with immediate documentation.
Questions
What services do you offer?
We specialise in boiler installations, repairs, underfloor heating, unvented hot water systems and central heating upgrades.
Do you provide emergency services?
Yes, we offer emergency boiler repair services for urgent heating issues.
Which areas do you cover?
We serve Southampton, Portsmouth, Salisbury, Bournemouth and surrounding Hampshire areas.
How often should I service my boiler?
Annual servicing by a Gas Safe engineer is recommended to maintain efficiency and safety.
Do you offer warranties?
All work includes a 30-day labour warranty for customer peace of mind.