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Warm Air Heating

Warm air heating systems are reliable, efficient, and fast-acting — when they’re properly maintained. At Gas Heating Services (WM) Limited, we specialise in domestic warm air heating systems, with particular expertise in Johnson & Starley units.

Whether your system needs a routine service, a fault repaired, or parts replaced, we provide a complete warm air solution — safely, professionally, and in line with current Gas Safe regulations.

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Warm Air Servicing

Regular servicing is essential to keep your warm air system running efficiently and safely.

Our warm air servicing includes:

  • Full safety inspection and gas checks
  • Cleaning of burners, heat exchangers, and filters
  • Airflow and fan performance checks
  • Thermostat and control testing
  • Carbon monoxide safety checks
  • Efficiency and performance assessment

A properly serviced system not only runs better but helps extend the lifespan of your unit and reduce unexpected breakdowns.

Warm Air Repairs & Replacement Parts

We carry out diagnosis, repairs, and component replacement for domestic warm air systems, with a strong focus on Johnson & Starley models.

We can repair or replace:

  • Fans and motors
  • Heat exchangers
  • Control boards and thermostats
  • Ignition systems
  • Filters and airflow components

Where repairs are no longer cost-effective, we’ll give you clear, honest advice — no upselling, no pressure.

Johnson & Starley Specialists

Johnson & Starley warm air units are known for their durability, but even the best systems need specialist care.

We understand these systems inside out, meaning:

  • Faster fault diagnosis
  • Correct parts fitted first time
  • Repairs carried out to manufacturer standards
  • Advice based on experience, not guesswork
    If you’ve been told your system is “obsolete” without proper inspection — get a second opinion.

Looking to upgrade your warm air system

Thinking about upgrading your old warm air heater? Switching to a new Johnson & Starley WarmCair condensing heater or Aquair Heat Interface Unit (HIU) can dramatically cut your fuel bills, lower your carbon footprint, and give you a cleaner, more efficient home heating solution.

Looking for a straightforward replacement? A new WarmCair condensing heater is efficient, reliable, and future-ready.

Want more flexibility? Choose the Aquair HIU, which can be paired with a gas or electric boiler, biomass, or other low-carbon alternatives—perfect for a hybrid system that grows with your needs.

At Gas Heating Services (WM) Limited we understand upgrading your heating system is a big decision.

That’s why we make the process simple: call today for a survey

Domestic Warm Air Experts You Can Trust

Warm air heating isn’t something every engineer understands properly — we do. From servicing and maintenance to repairs, parts, replacements, and Aquair upgrades, Gas Heating Services (WM) Limited covers everything related to domestic warm air systems.
If you want specialists, not generalists, you’re in the right place.

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Testimonials

 
Recently had my boiler replaced by this company and the whole experience was exceptional, from talking to Zoe in the office to then having Lee call at the house the very next day, they made me feel comfortable and confident straight away. Had my new boiler installed within a week and a few upgrades to radiators and valves, clean, tidy and exceptionally neat workmanship, very professional approach in all aspects, would highly recommend.

John Callard - Boiler Replacement

I would just like to say thank you very much for your patience with my boiler Lee, it hasn’t leaked since your first visit, so fingers crossed you have solved it! Thank you again.

Jean Warner - Boiler

Absolutely brilliant company Lee and his team just moved our boiler from kitchen to airing cupboard they were very polite and courteous and went above and beyond to ensure the job was done with minimal fuss and disruption would highly recommend there service’s many thanks to you all on a job well done.

Mark Jones - Boiler Replacement