PVC window installation in Funchal
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- Town
- Funchal
- District
- Região Autónoma da Madeira
- Position
- 32°39′ N · 16°55′ W
- Tilt and turn: opens to the side and tilts for fresh air.
What will it cost? Start with the sizes
Window type
Material
Colour
Sizes
Between 600 and 1800 mm
Between 300 and 2200 mm
A rough size is fine.
Extras
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About Funchal
Funchal is the capital of the Autonomous Region of Madeira and the island’s largest city, with over 105,000 inhabitants (2021) and 76 km². It lies on the south coast, and the municipality borders Câmara de Lobos to the west, Santa Cruz and Machico to the east and Santana to the north. It has ten parishes, among them Santo António, the most populous, Monte and Santa Maria Maior, where the Old Town is.
The city sits in a natural amphitheatre: the bay on one side, mountains to the north and east and volcanic peaks to the west. The built-up area runs from sea level up to 800 metres, and the island rises above a thousand metres behind. The name comes from fennel, a herb that covered the valley when the first settlers arrived in 1424.
Funchal became a city in 1508. In the 15th and 16th centuries it was a great sugar centre, and from the 17th century British wine merchants changed the city’s life and architecture. Today tourism, trade and services dominate, and the port is one of the most important for cruises in Europe.
Madeira’s international airport is in the neighbouring municipality of Santa Cruz. Within the municipality, the climate changes a lot from altitude to altitude, and that weighs on the choice of window.
What the climate of Funchal asks of windows
Funchal has mild temperatures all year, with an average of 19.6 degrees, according to Wikipedia. There are two seasons without big temperature differences: from October to April it rains regularly, with highs between 20 and 25 degrees, and from May to September it rains little, with highs between 22 and 26. Humidity stays near 70% all year, and in the high areas it is common to have cloud, rain and wind when the sky is clear by the coast. In June the bay can be covered in cloud, the so-called Funchal's helmet.
Funchal climbs from the sea to the hills, in an amphitheatre of slopes. Cold is rare, but the air is always damp and the high areas see cloud and rain. The bay lies far below.
The window here has to cope above all with damp and rain, more than with heat.
- Wind and rain at altitude
On the high slopes wind and rain are more frequent than by the sea, and so is cloud. Parishes such as Monte catch more water. Window sealing and water drainage weigh more there than in the lower city.
- Salt on the bay front
Near the port and the seafront there is salt in the air, and hardware feels it over time. Choose resistant hardware and rinse the window with fresh water now and then. On streets further up, salt matters less.
- Humidity always near 70%
According to Wikipedia, humidity stays near 70% all year, and the air feels warmer than the temperature says. Without ventilation, mould appears on walls and in cupboards, especially on slopes that catch clouds. Windows with trickle ventilation and an extractor in the kitchen and bathroom help.
- Gentle sun, heat without extremes
Summers are mild, with highs between 22 and 26 degrees. South-facing rooms heat up, but less than in the south of the mainland. In June, with the cloud helmet, there can be days on end without direct sun, and then the light that comes through the window is most appreciated.
| Condition | Level | Climate sheet |
|---|---|---|
| Humidity | High | Around 70% all year. |
| Rain | Medium | Regular from October to April; more in the high areas. |
| Summer | Medium | Mild: highs between 22 and 26 degrees. |
| Winter | Low | Highs around 20 degrees. |
| Wind | Medium | More frequent at higher altitudes. |
| Sun | Medium | Clearer sky on the coast; cloud higher up. |
Levels for comparison, not measurements.
Climate zone of Funchal
Portugal's building energy rules put every place in a winter zone (I1 to I3) and a summer zone (V1 to V3). In Funchal the zone depends on the altitude of the building, so we show the ranges.
| Building altitude | Winter zone | Maximum Uw, W/(m²·°C) |
|---|---|---|
| up to 701 m | I1 | 2.80 |
| from 702 to 1034 m | I2 | 2.40 |
| above 1035 m | I3 | 2.20 |
Summer zone: V3: up to 79 m; V2: from 80 to 413 m; V1: above 414 m
Maximum solar factor of windows (gtot,máx): up to 79 m, V3: 0.10 in weak-inertia spaces and 0.50 in medium or strong inertia spaces; from 80 to 413 m, V2: 0.10 in weak-inertia spaces and 0.56 in medium or strong inertia spaces; above 414 m, V1: 0.15 in weak-inertia spaces and 0.56 in medium or strong inertia spaces. The value is for the opening with the solar protection fully activated. North-facing windows are exempt. What is the solar factor?
The maximum Uw applies to windows in housing in new and renovated buildings (Portaria n.º 138-I/2021), with exceptions, for example conservation works. The zone is calculated with the Manual SCE method, from the region (NUTS III) and the altitude, not by parish. Ask the designer or an SCE expert to confirm the one for your building. Checked on 19 October 2026. What is Uw?
Solutions table for Funchal
| Window | Glass | |||
|---|---|---|---|---|
| Local condition | PVC | Aluminium | Double glazing | Triple glazing |
Wind and rain at altitude | SuitableGood; careful sealing where wind and rain strike. | SuitableHandles it well; check the drainage in the tracks. | SuitableWind changes little in the choice of glass. | Needs careHeavy; check the hardware on large windows. |
Salt on the bay front | SuitableDoes not rust; resistant hardware by the bay. | Needs careOn the seafront, needs a strong finish. | SuitableThe glass does not suffer from salt. | SuitableSame as double glazing on this point. |
Humidity always near 70% | SuitableGood against damp; with ventilation it avoids mould. | It dependsWithout a thermal break, the frame condenses easily. | SuitableCuts water on the glass in damp air. | It dependsMild winter; triple rarely pays off. |
Gentle sun, heat without extremes | SuitableMild summers; light colour is enough in most homes. | It dependsDark heats up, but the heat here is moderate. | It dependsSolar coating only on very exposed windows. | It dependsRarely needed in a mild climate. |
- Suitable
- Needs care
- It depends
In Funchal damp counts more than heat or cold. The installer checks everything on site.
Homes in Funchal
The homes in the area change what is worth asking of the windows.
New apartments
Many blocks climb the slopes, on steep streets. Windows facing the bay catch wind and sun; higher up come rain and mist. On the upper floors, sealing and drainage of the shutter box count more.
Historic centre
The Old Town and the centre have old houses and buildings, some centuries old. In historic areas, ask the town council about facade rules. Check the state of the plaster and sills, where damp from the air builds up easily.
Detached and semi-detached houses
In high parishes, such as Monte, there are old houses and estates with views over the bay, once summer retreats of the wealthy because of the mild climate. It rains more there and damp weighs. Well-sealed windows and regular ventilation prevent mould.
How it works
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Measure the opening on the drawing and confirm your town.
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We do not make or fit windows. We pass your request on and explain.
Towns near Funchal
Do you live elsewhere in Funchal, or next door? These are the nearby areas and municipalities on Madeira.
Cannot find your area? Write it in the request.
Funchal's helmet and the damp home
In June it is common for the bay to stay covered in cloud for days on end. It is nicknamed Funchal’s helmet, according to Wikipedia.
With 70% humidity and few sunny days in a row, laundry is slow to dry and walls turn damp. These help:
- windows with trickle ventilation;
- an extractor in the bathroom and kitchen;
- furniture kept away from outer walls;
- airing a few minutes in the driest hours of the day.
Check with the installer that the new window does not seal the home completely.
Each altitude, its own climate
The built-up area of Funchal runs from sea level up to 800 metres. According to Wikipedia, it is common to have cloud, rain and wind at higher altitudes when the sky is clear by the coast.
That means two homes in the same municipality may call for different windows:
- in the lower city and by the sea: salt, sun and freer wind;
- halfway up the slope: the balance, with constant damp;
- at high altitudes, such as Monte: more rain, mist and damp, and cooler nights.
Tell the installer in which parish the home is.
General notes
Humidity is always around 70%. Colder walls and closed homes trap that water. Ventilating daily and having windows with trickle ventilation helps, and so does moving furniture away from outer walls.
It does, if well sealed and fitted. In high parishes, such as Monte, where it rains more, sealing, drainage and fixing count. Ask the installer to check the shutter box and the sill.
The climate is mild all year, so double usually does. Triple weighs more and rarely pays off.
See the guide Double or triple glazing.
Ask the town council: it is a historic area and facade rules may apply. In a block, speak to the residents' association too. The installer helps check the state of the plaster and sill before the work.
Yes. Write your town in the request. Funchal has ten parishes, and the nearest neighbours are Câmara de Lobos, Santa Cruz, Machico and Santana. Also say the approximate altitude of the home.
A well-sealed window with double glazing reduces street and port noise. In homes beside avenues or near the cruise areas, it is worth asking for glass with better acoustic insulation. The installer can explain the options.
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