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Glow-worm is glowing with pride at receiving five stars on Trustpilot

Here at Glow-worm we’re glowing brighter than ever as we bask in the glow of our five star TrustScore on Trustpilot.

Glow-worm has been humbled by the support received from our trusted installers. It is only with the help of our installers and the feedback from homeowners that we have been able to achieve this incredible rating: Proof that Glow-worm sells boilers to great heating installers and that homeowners are glowing from this outstanding teamwork.

Spencer Clark, Commercial Director for Glow-worm at Vaillant Group, commented, “Achieving a five star TrustScore on Trustpilot is a fantastic achievement for Glow-worm. We have worked hard to improve our service offering, and the feedback in these reviews shows that this investment is paying off.

“Of course, we couldn’t have achieved this rating without great heating installers in the field who choose to recommend and install boilers from the extensive Glow-worm range. To have their trust in our products and service is hugely important. The fact that their homeowner customers are happy with their recommendations and want to share their experiences with others on a channel such as Trustpilot is hugely satisfying.”

To help our installers demonstrate this success, Glow-worm is providing a suite of materials for installers to use that celebrate this five star TrustScore. Items available include quote folders, window stickers and leaflets, all of which will be shortly available via Glow-worm’s Club Energy loyalty scheme at

What do our reviews say?

“Top company, and installer. Would recommend without any doubt.”

“I received excellent service and would recommend without hesitation”

“Very happy with my new Glow-worm. Consistent and intuitive. Particularly like the extended 10 year warranty.”

“Superb boiler! Much quicker and efficient than our old one!”

“Had my new boiler put in three weeks ago and so glad I was recommended the Glow-worm so easy to use and a fab guarantee.”

“Fab service amazing boiler can't fault them thank you.”