• Suffolk's Leading LPG and Natural Gas Service.

    Has Your Boiler Stopped Working? Don't panic. With 40 years plus in the boiler business we can help. Gas safe registered to work on all LPG and natural gas domestic appliances. Duval Heating, Suffolk's Leading LPG and Natural Gas Company.

    Contact us now

  • Our Services

    Below are a few of the services that we offer. Click the box to read more or give us a call on.

    01473 806 100

  • Gas Safe Registered Tradesmen always ensure the highest Professional Standards are met.

    Our customers are our advertisers, we ensure that once a job big or small is completed the customer is satisfied. We will invite them to leave a review on Google.

    Our goal is 100% customer satisfaction. Your LPG Gas Engineer. LPG boiler repairs, LPG boiler service, LPG boiler installations. LPG changeover valves replaced. Most of Suffolk and some parts of Essex are covered. Be SAFE and only use a Gas Safe Registered Company.

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  • Duval Heating

    Suffolk’s Leading Gas Safe Registered for LPG and Natural Gas Company.

    LPG and Natural Gas. Boiler service and repairs.

    Boiler Plus Regulations, New boiler installations that comply.

    Gas safety inspections for mobile homes and boats.

    Landlords gas safety inspections.

    Registered Vaillant Advance Installer.

    We cover most of Suffolk and some areas in Essex.

    All installations, repairs and services come with a Gas Safe Certificate on completion of all the work.

    Need a new LPG boiler, service or repair, we can help, use our contact page.

    Whatever your needs may be, contact us first for a chat on 

    01473 806 100 or use our contact page.

    Fast and friendly service.

    Duval Heating Opened in September 1980.

    We have several years of experience in the Gas Safe Industry for both LPG and natural gas.

    Gas Safe Registered for both LPG and Natural Gas domestic appliances.

    The Gas safe register was previously known as C.O.R.G.I. and is where you can find someone local to where you live.

    Offer boiler service, boiler repairs, maintenance and boiler installations.

    Landlords gas safety inspections.

    Registered to work on all domestic appliances within domestic properties.

    Registered installer of unvented hot water cylinders, repair of unvented hot water cylinders. 

    Also Registered installers of unvented central heating boilers, known as sealed systems or combination boilers.

    Mobile homes

    We Look after many mobile home park sites throughout Suffolk and Essex.

    This involves carrying out the annual service on the boiler.

    As well as the annual Gas Safety Inspection that most mobile home sites now require.

    We Can connect your new gas supply to your mobile home.

    Supply the changeover valve and all the fittings needed for the connection.


    Much like mobile homes offer the same service for boats, this ensures they comply with the current gas and safety regulations.

    LPG Changeover valves are now replaced with the new OPSO regulation as standard.