Shading & Ventilation

Popular Myths

BRONZE TINTED POLYCARBONATE KEEPS THE CONSERVATORY COOL
Absolutely untrue, it has very little cooling effect. Beneath plastic it will become VERY HOT!!!!

SMALL FANLIGHT WINDOWS CAN BE LEFT OPEN WITH COMPLETE SECURITY
Only if the actual opening is less than 10 inches! Otherwise an intruder will easily gain entry.

ROOF VENTS ARE THE MOST EFFICIENT WAY OF ALLOWING WARM AIR TO ESCAPE
They are also notorious for causing leaks and should only be introduced if built to the very highest of specifications. Also, if left open during a cloudburst the obvious will occur, and also intruders can climb in, so no true security is achieved.

SPECIAL GLASS CAN BE INTRODUCED TO KEEP A CONSERVATORY COOL
Not always as efficient as it is claimed and the often excessive extra cost would be much better devoted to blinds, which are FAR MORE EFFICIENT and attractively ‘dress’ the conservatory.

A CONSERVATORY ON THE SOUTHERN ELEVATION OF WILL GET TOO HOT
We live in a climate where much of our time is justifiably spent complaining about the lack of sunshine, which means this statement is rather silly. Certainly, if appropriate VENTILATION and BLINDS are not introduced it may be the case – a result of inappropriate overall design and not that a southern elevation isn’t absolutely ideal. By constructing onto a southern elevation you will be able to achieve much solar gain, not only for some nine months of the year when the sun is not hot, but for on a considerable number of occasions, even during the summer months when the climate in our British Isles is far removed from the Mediterranean and we simply are not able to relax comfortably in our gardens.

TIMBER, THERMALLY BROKEN ALUMINUM OR UPVC IS WARMER / COOLER
You will find that salesmen will naturally promote only the products their company offers.
However a well-designed glazed building using any of these materials is not generally better than another. The material used for GLAZING SEALED UNITS will predominately affect its efficiency, NOT the supporting framework.

BRONZE TINTED POLYCARBONATE PROVIDES A SUPERB SHADING
However it will DARKEN the room over which it is built, particularly if there are no other windows in that room. Also the conservatory will be that much duller on a grey cloudy day and we certainly get plenty of those in the UK. It is also very NOISY during rain and provides little or no reduction of external noise . . . . particularly relevant if you live near a busy road or in an area where you wish to shut out external sound, including neighbours in their garden, and also to ensure you keep your conversations private! You will need to keep your music and radios much quiter than with glass sealed units.

CEILING FANS WILL KEEP THE CONSERVATORY COOL
Whilst they are very pleasant to sit under on a warm evening, they will mostly MOVE THE HOT AIR AROUND and whilst providing some very pleasant cooling, they should not be considered as a principal way to reduce the OVERALL temperature in your Sun Room.

VENT-AXIAS WILL QUICKLY AND SUBSTANTIALLY REDUCE THE TEMPERATURE
Very effective BUT it must be colder outside or you will simply be circulating warm air. They will of course be operating whilst you are away from your home if thermostatically controlled.

AIR CONDITIONING IS THE ONLY REALLY EFFICIENT WAY TO KEEP COOL.
Certainly, air conditioning units are extremely effective but a good system will be VERY EXPENSIVE. You should not combine air conditioning and heating within a single unit – two seperate systems will be much more efficient and better value for money.

The Correct Way to Keep Your Conservatory Cool

  • Design elevations very carefully indeed with PLENTY OF LARGE OPENING WINDOWS and doors.
  • The HOTTEST TIME OF THE DAY is between 10am and 4pm, any conservatory which will be exposed during this period should certainly have good quality heat reflective blinds.
  • There are MANY DIFFERENT TYPES OF CONSERVATORY BLINDS. All cheap systems are not efficient during the height of summer and can often be disastrous fly traps getting very dirty in a short period of time. Some are difficult to use with a lot of small parts that can be easily broken. They should always be of very good quality as their proximity to the glass faces means they will get particularly hot and plastics or similar may break down. EXTERNAL BLINDS will get very dirty and probably damaged in high winds.
  • ROOF VENTS are efficient but even if you have several square feet of openings, your conservatory will still predominately be encased in glass. Therefore, as a well manufactured roof vent system must necessarily be expensive your monies may well be better spent on blinds.
  • SMALL FANLIGHT WINDOWS are ideal if you just require gentle ventilation perhaps in the evening or on a chilly winter’s day. They will not help a great deal in the height of summer. They also introduce considerable extra frame work which will interuput your view of the garden, sky or landscape.
  • VENT-AXIAS WITH A THERMASTATIC CONTROL are excellent if nobody is at home to open and close windows or operate blinds. However, they will be at their best when the air outside is cooler than in or they simply circulate hot air at the height of summer.
  • DWARF WALLS provide excellent shading for plant roots. Most plants stand little chance on the window cill at the height of summer.