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A man repairs a wall-mounted boiler, using a screwdriver

Boiler Servicing - Local Coverage, Portsmouth

Quality Gas, Portsmouth. Gas Safe registered engineers. Rapid response repairs. Up to 10 years’ warranty. Boiler Servicing. Accredited team. 

Call now for expert boiler care. 

High Quality

Years Of Experience

Family-Run Business

Comprehensive Heating System Power Flush

A central heating power flush effectively cleans your system, removing sludge and debris that can cause boiler breakdowns. Over time, dirty water and sludge build-up can reduce boiler efficiency and performance. Power flushing restores optimal operation, helping your heating system run smoothly and efficiently while prolonging the life of your boiler and system components.

A modern white boiler with a digital display and control knobs is mounted on a light blue wall

Professional Boiler Fixing Solutions

Our skilled engineers diagnose and repair all major boiler brands, including specialist knowledge of Ideal and Worcester Bosch systems. We deliver fast, reliable, and effective repairs to ensure your home stays warm and comfortable. With extensive experience in boiler servicing, we provide solutions that restore efficiency and prolong the life of your system.

A technician in a red plaid shirt and blue overalls repairs a white boiler
Man inspects a boiler with pipes, holding a blue clipboard

Certified Landlord Gas Safety Inspections

We offer comprehensive Gas Safety Certificates (CP12) for landlords, homeowners, and estate agents throughout Portsmouth and nearby areas. Upon completion, your certificate is promptly emailed for your convenience. Our secure electronic payment system ensures a quick, hassle-free process so you can maintain compliance without delay.

Yearly Boiler Maintenance

Regular servicing by a Gas Safe Registered engineer ensures your boiler runs efficiently, prolongs its lifespan, and reduces the risk of costly repairs. Servicing also helps prevent hidden hazards such as carbon monoxide leaks, keeping your home safe and energy bills low. We also provide boiler installations and many plumbing services. Contact us to learn more.

Heating System Fault Diagnosis & Repair

We diagnose and repair all makes and models of central heating systems, delivering reliable solutions in the most cost-effective way possible. Our expert engineers ensure your system is restored to optimal performance with minimal disruption to your home or business.

Highly recommend Quality Gas Portsmouth!

Jon has carried out numerous jobs for us at home over the past few years, including a full boiler installation and two brand-new bathrooms. Every job has been completed to an exceptional standard, and the quality of his workmanship really stands out. He’s not only incredibly skilled and professional, but also genuinely friendly. 

He always takes the time to explain things clearly, and you can tell he takes pride in what he does. It’s such a relief to have someone you can trust to do the job properly without cutting corners. We’ve been so impressed with his reliability, attention to detail, and how tidy everything is left afterward.

If you’re looking for someone who’s professional, dependable, and clearly passionate about their work, you honestly can’t go wrong with Jon and Quality Gas Portsmouth. We wouldn’t use anyone else!

Book Professional Boiler Servicing For Your System

Maintain efficiency and safety with expert servicing you can rely on. Call us now for dependable boiler care and lasting peace of mind.

A man in a yellow hard hat and blue shirt adjusts a white wall-mounted boiler

Contact Us

129 Hawthorn Crescent, Cosham,

Portsmouth, PO6 2TJ

Business Hours

Monday – Saturday:  08:00 - 18:00

Sunday: Closed

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QUALITY GAS (PORTSMOUTH) LTD, registered as a limited company in England and Wales under company number: 11315116.
Registered Company Address: 338 London Road, Portsmouth, England, PO2 9JY.

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