Boiler Manufacturers

Use our on line Booking page  today for free survey or e-mail. Heating Engineers & Technicians

THSHeat use a variety of manufacturers and carry out their heating installations 

Contact THSHeat  use our booking page to arrange a survey , Email or ring us.

All our engineers are qualified Gas safe and City & Guilds Heating Engineers we also support manufacturers in service and repair.

We have invested in our manufacturers by carrying an extensive first aid spares kit. With constant and up to date training, if something goes wrong, especially with a combination boiler with either the loss of hot water or heating and with no alternative heat source, we can respond quickly and try to keep the down time to a minimum.


Vaillant Boilers

THS Heat approved Vaillant Technical Heating Engineers & Contractors

Vaillant boilers have been designed to suit all of your household heating and hot water needs. Systems are built to offer performance, efficiency, quality and reliability.
ecoTEC boilers operate with an annual seasonal efficiency of over 90%, meaning your high efficiency condensing boiler can save you over a third of your heating bills.

Whether you are looking for a combination boiler, system boiler or an open vent boiler, you will find the perfect product to suit your needs within our ecoTEC range.

Glow-worm Boilers

THS Heat approved Glow-worm Technical Heating Engineers & Contractors                                                      Glow-worm boilers

THS Heat & Glow-worm have years of experience in providing homes with value for money heating and hot water solutions,  THSHeat has built a reputation on providing straightforward and reliable systems you can depend on. Andy director of THSHeat has been involved with Glow-worm for over 30 years from his technician days at British Gas to present day with his own company THSheat.

Over 75 years of commitment to top quality, reliability and exceptional durability have made Glow-worm one of the UK’s leading heating manufacturers. Glow-worm have built our reputation on delivering products which are straightforward, dependable and designed with you in mind.

Today, Glow-worm not only produce award winning high efficiency domestic boilers, but Glow-worm also offer intelligent controls, hot water cylinders and a range of renewable technologies all boasting low energy consumption reducing both your costs and your carbon footprint.

The Glow-worm product range is clearly defined to meet the needs of a wide range of UK homes. With universal flueing systems, diagnostics, user controls and installation accessories, once you have installed and used one

Glow-worm Combi Boilers

Combi boilers to suit your budget and space requirements. Glow-worm High Efficiency Ultracom range, Flexicom cx, Betacom2 and Easicom central heating boilers

Glow-worm Regular Boilers

Regular heat only condensing boilers are High Efficiency and work great as part of Glow-worm’s complete central heating boilers systems

Glow-worm System Boilers

System boilers are designed to work as part of a complete central heating boiler system. As part of Glow-worm’s complete central heating systems, we recommend Glow-worm cylinders, controls and accessories

Glow-worm System Store Boilers

Ultrapower sxi condensing boilers are suited to a larger property. The self contained Ultrapower sxi system store has a cylinder built into the boiler delivering hot water comparable to 170 litres cylinder.

Atag A Series Combi & System Condensing Boilers

THS Heat approved Atag Technical Heating Engineers & Contractors                                                     


A  Series combination & system boilers for domestic and small commercial properties have a high durability. The A 325ECX  combi delivers the highest efficiencies in Europe.  ATAG A series boilers have the highest efficiencies in Europe with the lowest emissions achieving 3 bream star Points. ATAG A series supply a range of combination SEDBUK A Rated boilers from 20kW to 51kW. All models have multiple flue options

A325ECX Series Combi Boilers

The A325ECX is a super high efficiency fully modulating condensing boiler with built-in weather compensation capabilities. In domestic hot water productions A203C & A32c boost to 23.4kW &34,2 kW to increase water flow rate, with built Gas Saver Module with increased DHW production efficiency up to 95%.

Which is15% above other combination boilers on the currently on the market. A fully modulating condensing boiler with built-in weather compensation capabilities.

A320 Series System Boilers

ATAG supply SEDBUK A Rated wall mounted condensing system boilers from 20kW to 60kW with modulation range down to 16%. All models have multiple flue options including flexible flue liners.Over pressure flue sytems allow for cascaded boilers to operate on smaller diameter runs over a greater distances.
ATAG system boilers have a built in energy management system for weather dependant controls and optimum start by installing an outside sensor.

Johnson & Starley Warm Air

THS Heat approved Johnson & Starley Warm Air Technical Heating Engineers & Contractors   

Johnson and Starley Limited


THSHeat recommend Johnson & Starley for your warm air solution, for retrofit installations

Johnson & Starley market leader in providing energy efficient heating and ventilation solutions, Johnson & Starley has an impressive portfolio of products. These include QuanTec gas boilers with PFGHR (passive flue gas heat recovery), and the new WarmCair range of high efficiency condensing Warm Air Heaters.

With environmental issues and climate change an important factor, we have developed a range of HIU (Heat Interface Units) available with or without domestic hot water, and for renewables

An extensive range of of warm Air products.

NEW Please read

A warm air unit does not always have to be replaced with a gas warm air boiler it can now be replaced with a heat interface unit  , powered by a stand alone gas boiler or  combi boiler, which will  provide the heat for the warm air ducts,  radiators can be added  as well at a later stage and instant hot water, we can  design and install please ask at the showroom


Ferroli Boilers

THS Heat approved Ferroli Technical Heating Engineers & Contractors                                                     


Italian boiler manufacturer Ferroli has been at the leading edge of heating appliance design and development for more than half a century and now operates in over 100 countries worldwide. Ferroli’s range of domestic and commercial boilers, water heaters and renewable energy products are designed at our headquarters in Verona, Italy and are built in our own manufacturing plants in Italy, Spain and China. Many of their products are market-leaders in several countries and are as technologically advanced by today’s standards as they were in 1955 when the company was founded.

Ferroli has brought many innovative heating appliances into the marketplace, from high efficiency domestic combi, system and open vent boilers

New range from Ferroli meet the BLUEHELIX TECH RRT


The latest Bluehelix models from the award-winning Bluehelix family of boilers are now available in the UK. Energy efficient, reliable, durable and affordable.10 year warranty as standard
The Bluehelix Tech RRT comes with a valuable 10 year manufacturer’s parts & labour warranty, provided it is fitted with a high performance magnetic filter.*

ThermobalanceTM heat exchanger
Single circuit stainless steel with larger than standard waterways for greater efficiency and longer life, stainless steel combustion chamber, Smooth AISI 304 steel surface reduces deposits and extends life. Virtually silent operation
So quiet you can barely hear it, Highly energy efficient, achieves 94% seasonal heating efficiency

Natural Gas/LPG Ready



Worcester Bosch Boilers Gas & Oil 

The Greenstar Life range builds upon the award winning Greenstar CDi Classic but features a modern new design whilst boasting a range of features that make controlling your heating and hot water easier

Our top of the range Style boilers have been created for when only the very best is good enough. With all of the same great features as the Life range and available in a choice of black or white, the Style range sets the benchmark. Yes it’s a boiler, but not as you know it.

A new range of Greenstar boilers from Worcester, Bosch Group, prove there is still a way to be cost and energy efficient with an oil-fired heating system. For these households, the new combi Heatslave II boiler provides independent home heating without the hassle.he new Greenstar boilers are our most technologically advanced to date, very user friendly

New boilers offer the most effective solution for those without mains gas who want to save on their monthly energy bills, while also helping the country to meet challenging energy targets. What’s more, oil-fired boilers work particularly well when partnered with alternative energy sources,



Intergas Boilers intergas logo

THS Heat approved Intergas Technical Heating Engineers
(Installation & Service)

Intergas has for more than 40 years been in the forefront of manufacturing domestic boilers in the Netherlands. The invention of the ‘Double High Efficiency’ heat exchanger revolutionized boiler technology. The unique patented two-in-one heat exchanger ensures the reduction of heat losses and an optimum transfer on heat. This unsurpassed high-efficiency of the Intergas Combi Compact HRE ensures economical operation, year after year. The absence of a diverter valve and secondary domestic hot water plate heat exchanger eliminates a significant source of possible future component failures.

Ariston Boilers 

aristan logo

THS Heat approved Ariston Technical Heating Engineers & Contractors

The name Ariston is synonymous with high efficiency heating and enhanced domestic comfort. 
Ariston is the most widely available heating brand in the world, offering an impressive variety of products including Band A rated high efficiency condensing gas boilers, , a solar thermal water heating solution and the largest range of unvented cylinders in the UK.

Ariston has developed a wide range of new generation high efficiency condensing gas boilers. High efficiency gas boilers, which features familiar condensing technology and is renowned for its simplicity of installation and ease of us.

Baxi Boilers 


Baxi Remha Avanta

Baxi Avanta


Top-of-the-range products and controls to service and backup.

Baxii boilers are the UK’s most popular type of boiler for gas central heating and domestic hot water.  simple to use and economical to run.

Could be your perfect heating and hot water solution.













































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Lune Valley

Carnforth, Hest Bank, Bolton-Le—Sands, Slyne with Hest, Silverdale, Arnside, Warton, Yealand, Arkholme, Burton in Kendal. Burton in Lonsdale, Kirkby Lonsdale, Ingleton, Bentham, Melling, Hornby, Caton, Halton,Nether Kellet, Over Kellet, Moreambe, Bare, Heysham, Middleton, Overton,Torrisholme, Wray, Slackhead,  Storth, Sandside,Dolphineholme.Galgate,Forton,Claughton,Quernmore,Hampson,

 South Lakes,

Milnthorpe, Ackinthwaite, Crooklands,Lupton,Heversham,Hincaster,Woodhouse,Sedgwick,Natland, Kendal,Grayrigg, Bowness on Windermere, Windermere,Ambleside,Troutbeck.Grasmere,Grange,Witherslack,Lindale,Newby Bridge,Cartmel,flookbourgh,Holker,Staveley in cartmel,, Crook, Winster,Bowland Bridge,Crostwaite,Storrs,Keswick,Naddle,Coniston, Grizedale,Hawkshead,Near Sawrey,Far Sawrey,Rusland,Backbarrow,Ulverston,


Garstang, Preesall, Knott End,Hambleton, Thurnham,Pilling,Catterall,Barnacre,Barton,Great Eccleston,Kirkham,Elswick,,Longridge,Goosnargh,Ribchester,Stalmine,cleveleys,Thornton,St Michaels,Barton,