Energy saving gas, plumbing and heating installations… and more!

Wall-Lag (Wales) Ltd in Mold is proud to offer homeowners in North Wales and beyond a range of services to help them save money on their fuel bills thanks to our energy efficient and eco-friendly installations. Contact us today. We also offer commercial solutions.

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We offer:

Heating design and consultancy

Expert independent advice on eco efficient boilers, heating and plumbing systems

Professional installation service

Heating system and boiler maintenance to resolve any issues as quickly as possible and at a competitive rate

Pipe lagging and insulation

Gas, plumbing and heating installations

Our highly skilled and Gas Safe registered engineers are experienced installers of plumbing and heating systems from all the major manufacturers including Baxi, Potterton and Worcester Bosch. Our projects team can tackle small, medium and large-scale projects from design through to installation and maintenance. Our team's main focus is to ensure a professional end-to-end solution at all times. Working with leading manufacturers, we can advise on the most eco efficient boilers, heating and plumbing systems to support your environmental goals. Each project is allocated a dedicated designer, project manager and customer service team member, which ensures that you are kept informed every step of the way.

Air source heat pumps for your home

An environmentally friendly way to save money on heating!

Air source heating can reduce your heating costs and cut CO² emissions. Wall-Lag can install an air source heat pump with little disruption to your home within two to three days, leaving you to enjoy the benefits of a greener and cost-effective future.

Commercial Services

Solar PV lets you generate your own power

Generate your own green electricity
Reduce your carbon dioxide emissions
Charge your electric vehicle using solar power
Become more self-sufficient
Lower your energy bills

Our solar PV systems can generate approximately *3,500kw hours of electricity a year, which is about three quarters of a typical household’s electricity needs. That’s a large enough reduction to save over a tonne of carbon dioxide annually! It’s also a great way to reduce your electricity bill.

* based on 10 x 410w panels mounted on a south facing roof with a 30° slope and no shading (kk factor 923).

Energy efficient house with solar panels on roof

Battery storage to enhance your solar PV system

Battery storage will enable you to store excess energy generated during the day for use at night or during power outages. This will reduce reliance on the grid, lower your power bill, and increase energy independence. You can even sell excess power generated back to the national grid!

Dedicated charging points: powering your EV with ease

Installing a domestic EV charger offers convenience, cost savings, and faster charging right at your doorstep. With your own charger, you can recharge your vehicle overnight, avoid public charging queues, and take advantage of off-peak electricity rates. It also supports a cleaner, greener lifestyle. As a trusted supplier and installer, we ensure a seamless, professional setup tailored to your vehicle and home, so you can charge with confidence every day.