About Us

About OneHeat Limited

OneHeat Limited delivers qualified, reliable heating services across Barnsley and surrounding towns. Gas Safe registered engineers, City & Guilds‑qualified and

Who We Are

About OneHeat Limited: Barnsley Heating & Air Conditioning Specialists

OneHeat Limited delivers qualified, reliable heating, boiler and air conditioning services across Barnsley and surrounding towns. Gas Safe registered engineers, City & Guilds-qualified and CHAS accredited. We focus on fast response, clear communication and practical finance options for new boilers, air conditioning systems and larger installs.

294 Five-Star Reviews

“I couldn't be happier with these guys. Faced with a potentially chunky bill and a big job, Ricky assessed the situation and helped me massively. The job became much smaller, as did the bill. I even got it done before it would have been …”— Google

Meet The Team

The People Behind OneHeat Limited

Ricky

Lead Engineer

Adam

Engineer

John

Engineer / Installer

Our Values

Why Choose Us

Qualified & Accredited

All engineers are Gas Safe registered and City & Guilds qualified, with CHAS accreditation and IDEAL Max installer status — safety and compliance are non‑negotiable.

Local & Responsive

Based in Barnsley with regular work across Wakefield, Rotherham and Sheffield, we offer fast local response times and practical knowledge of South Yorkshire housing stock.

Awarded & Trusted

Voted Plumbing Business of the Year 2026 at the My Local Awards and consistently highly rated on Checkatrade and MyBuilder — real customers recommend our workmanship and service.

Clear, Practical Finance

Finance plans and an online calculator make it straightforward to spread the cost of a new boiler or larger installation without surprise fees or jargon.

Rapid Repairs When It Matters

Same‑day or fast‑response boiler breakdown service from Gas Safe engineers to restore heating and hot water with minimum disruption.

IDEAL Max Accredited Installer

As an IDEAL Max Accredited Installer, OneHeat Limited can offer an exclusive 12-year warranty on the Vogue Max boiler range.

294+

Five-Star Reviews

Specialist Services

Industry Accreditations

13+

Areas Covered

REVIEWS

What Our Customers Say

— Tony Mill

Google2026-10-16

“Excellent service prompt, knowledgeable, clean and tidy.Would recommend to anyone.”

— Garry Lowe

Google2026-10-16

“Ricky and Adam were very good and proficient at what they did. And we’re very friendly and kind I recommend them both at whatever they do . Thank very much Ricky and Adam .”

— Doss Dyson

Google2026-10-16

View All Reviews

Ready to Get Started?

Contact OneHeat Limited for a free, no-obligation quote for heating, boiler or air conditioning work.

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