Burning Sensation (Grimsby) Ltd



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Flue Types


High Efficiency Fires

Lower running costs with high heat outputs! High Efficiency inset gas fires provide a higher efficiency than the standard models as they produce both radiant & convected heat.  Radiant heat is generated by the fuel bed & reflected into the room, at the same time, convected heat is produced from cool air, which is drawn through a heat exchanger & emitted through a canopy/opening at the top of the fire, as warm room air.  High efficiency gas fires use less gas making running costs lower too!  There are several fires available as high efficiency, here are just a few to tempt you with.

Please note: glass fronted gas fires will require any marble, stone or granite back panel to be in 3 sections to allow for expansion, due to the high output & heat retention of the fire box. Open fronted fires do not necessarily require a 3 piece panel.

Energis Ultra 2

Nu-flame Energis Range:

The latest innovation from British fire manufacturer Nu-flame is the Energis Range of Open fronted, High Efficiency, coal effect gas fires. There are several models available in the Energis range including the Ultra 2 (pictured left) with a 4.82kW heat output and 77% net efficiency rating.  This is one of the most efficient 16” inset open fronted gas fires in the marketplace. There is a fantastic choice of frames in brass, black, silver, two tone and cast iron with a great selection of co-ordinating fret options. There is also a striking contemporary frame (pictured right), a stylish contemporary stove front and a hole in the wall option. Control choices include low level manual control, high level touch control or a hand held remote control, all electronic control systems are battery operated and powered by standard AA batteries - connection to mains electric is not required.


Nu-flame Energis Hotbox:

This stylish looking Open fronted, High Efficiency, coal effect gas fire offers a superb efficiency rating with a great 4.25kW heat output & 67.9% net efficiency. See this fire working in the showroom.

There is a choice of brass, black or silver trim & front options as well as the contemporary frame (as pictured), Options of low level manual control, 3 button high level touch control or a hand held remote control are available.

Orchestra sil 2


This is a glass fronted Balanced Flued inset gas fire with moulded coal fuel effect & is ideal for homes without a chimney or flue. 

With a heat output of up to 2.7Kw & 80% net efficiency.  Choice of silver or brass finish is available with manual control.


Gazco Riva2 530:

This is a stylish gas fire that can be fitted as a hole in the wall fire or hearth mounted into a large fireplace for added impact.  Large selection of frame options and choice of fuel bed and lining options.  A balanced flue option is available for those homes without a chimney or flue. 

Oasis Plus1
Logic HE balanced flue_Coal_Spanish Brass_profil frame

Kalahari HE

This glass fronted fire has a 3.4kW heat output & 84.3% net efficiency. Suitable for use in Class One, Class Two & Precast Flues (to current regulations). Choose from brass, black, brushed steel or silver trim with co-ordinating Kinder fret. Coal or pebble fuel effects & options of manual, slide or remote control are available.

The Oasis PLUS HE:

An open fronted high out put gas fire.  With up to 4.1kw heat out put & 66.7% net efficiency.  Suitable for use in class 1 & 2 flues.  Available with options of manual, slide or remote control with great selection of trims & fronts to choose in modern and traditional styles.

Logic HE:

Gazco glass fronted fire available as a conventional flue fire or as a balance flue fire for homes without a chimney.  Choice of trim & front options in contemporary or traditional style with choice of manual, slide or hand held remote control.  Available in natural gas or LPG.


Vitesse HE:

The Vitesse is a glass fronted gas fire available with an array of trim & front options, so whether you want the contemporary looks of the two tone modern frame (left) or a more traditional finish with a brass, black or silver trim and fret (far right) this fire has plenty to offer. Along with the conventional chimney version there is a balanced flue option available for those homes without a chimney or flue. 

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Traditional cast iron style with modern high efficiency technology! Get superb heat outputs from these lovely cast iron inserts. Unlike traditional cast iron inserts, the Cast Tec Integra Collection is a range of unique cast-iron inserts and combinations that integrate with efficient gas fires to suit most flue types including a glass fronted no chimney option.

Please note: heat outputs & efficiencies are based on natural gas fires. LP gas versions (where available) may vary.

See also our pages on balance flued & hole in the wall fires for even more high efficiency gas fires