PVC window installation in Tomar
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- Town
- Tomar
- District
- Santarém
- Position
- 39°36′ N · 8°25′ 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 Tomar
Tomar is a town in the Middle Tagus, in the Santarém district, in the historical province of Ribatejo. The municipality covers 351 km², has 11 parishes and about 40,700 inhabitants (2011), of whom close to 14,000 live in the town. It borders Ferreira do Zêzere, Abrantes, Vila Nova da Barquinha, Torres Novas and Ourém.
The Nabão river crosses the town and Wikipedia describes the area as one of the most fertile in the country, good for olive oil, figs and vines. The landscape has mostly olive trees, pines, fig trees and eucalyptus. The old town by the river was called Nabantia, and its inhabitants are still called Nabantinos.
The town grew around the Convent of Christ, ordered by the Templars in the late 12th century, and was a centre of maritime expansion in the 15th century, when the Order of Christ was led by Prince Henry. The Convent has been a UNESCO World Heritage Site since 1983. Tomar also has the Synagogue and the Matchbox Museum, with about 43,000 specimens.
It was an industrial centre, with paper, spinning and wood-product mills, and today lives a lot from tourism. The Festa dos Tabuleiros takes place every four years, in early July. Living by the river means dealing with damp, especially in the low areas.
What the climate of Tomar asks of windows
Wikipedia has no climate data for Tomar. The town lies in the Nabão river valley, in a fertile part of the Middle Tagus, in the interior of the Ribatejo. So damp by the river, hot summers and cool winters are to be expected, with rain mostly in the cold months. We give no figures because we do not have them from a reliable source. We ask the installer to confirm on site, house by house, especially in the low areas.
Tomar sits in a fertile valley, crossed by the Nabão river. Water and greenery are at the door.
Wikipedia gives no climate figures. So we speak of what is to be expected: damp by the river, cool winters and hot summers.
- Valley air
At the bottom of the valley the air stands still more and nights cool down. That is why cold draughts are strongly felt inside homes by the river. A continuous seal all round, gaskets in good shape and a firm lock avoid those problems.
- River damp
Next to the Nabão the air can be more humid, and there are low areas where mist forms in the morning. Damp attacks old wood and unprotected metals. Profiles that neither rust nor rot and hardware that is easy to clean mean less work.
- Cool winters
Rain and moderate cold are to be expected in winter. Water gets in mostly through the joints, and cold glass inside gives droplets and mould. A frame that insulates and a home that is aired a few minutes a day avoid much of the problem.
- Summer heat
Summers in the Middle Tagus are hot. Light colours and outside blinds are enough on many facades. In rooms facing west, solar-control glass can help, and the cooler valley nights allow ventilating at the end of the day.
| Condition | Level | Climate sheet |
|---|---|---|
| Humidity | Medium | Expected by the Nabão river. |
| Summer | Medium | Hot, as in the rest of the Middle Tagus. |
| Winter | Medium | Cool, with colder nights in the valley. |
| Rain | Medium | More in winter. |
Levels for comparison, not measurements.
Climate zone of Tomar
Portugal's building energy rules put every place in a winter zone (I1 to I3) and a summer zone (V1 to V3). In Tomar 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 144 m | I1 | 2.80 |
| from 145 to 529 m | I2 | 2.40 |
| above 530 m | I3 | 2.20 |
Summer zone: V3: up to 182 m; V2: from 183 to 467 m; V1: above 468 m
Maximum solar factor of windows (gtot,máx): up to 182 m, V3: 0.10 in weak-inertia spaces and 0.50 in medium or strong inertia spaces; from 183 to 467 m, V2: 0.10 in weak-inertia spaces and 0.56 in medium or strong inertia spaces; above 468 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 Tomar
| Window | Glass | |||
|---|---|---|---|---|
| Local condition | PVC | Aluminium | Double glazing | Triple glazing |
Valley air | SuitableA continuous seal all round solves most draughts. | SuitableCopes well. Check the gaskets and the lock. | SuitableYou notice it more in comfort at the glass than in wind. | Needs careHeavier: hinges and frame must be ready for it. |
River damp | SuitableEasy to clean. Next to the river, dry any damp off the frame. | SuitableFew problems away from the coast. Clean the tracks now and then. | SuitableNo issues here, just clean it. | SuitableSame as double glazing on this point. |
Cool winters | SuitableGood frame insulation, which helps against water on the glass. | Needs careAsk for a thermal break; without it the frame is cold inside. | SuitableA good base for valley homes with moderate cold and damp. | SuitableLess cold on the glass, but airing the room is still needed. |
Summer heat | SuitableWorks in summer and winter. Light colours help. | It dependsDepends on profile and colour. A thermal break is better. | It dependsOn sunny facades, ask about solar-control glass. | It dependsHolds heat in, but the sun comes through. Look at solar control. |
- Suitable
- Needs care
- It depends
In Tomar, river damp counts more than heat. The installer confirms on site what suits your street.
Homes in Tomar
The homes in the area change what is worth asking of the windows.
Historic centre
By the river and the old churches there are multi-storey houses and narrow streets. In historic areas the facade may have rules, especially near the Convent of Christ, which is a World Heritage Site. Ask the council before ordering and ask for careful measuring.
Traditional houses
In the villages among olive groves, fig trees and vines there are old farm houses with small windows and thick walls. They lose heat in winter and heat up in summer. When replacing windows, check the state of the render and wood around the opening.
New apartments
In the newer districts there are blocks with more recent windows, where ventilation is often missing. Well-closed homes hold the damp from the kitchen and shower. Ask for windows with an airing opening, and use any grilles there are.
Local notes
The Convent of Christ is a World Heritage Site. Near listed monuments there may be rules for facades; check with the town council before changing the outside look.
How it works
Tell us what you need
Measure the opening on the drawing and confirm your town.
We pass your request to the right companies
We process your request and send it to the local companies that best fit your town and what you asked for.
The companies contact you with quotes
They get in touch and send you their quotes and offers. Compare them and choose, with no obligation.
We do not make or fit windows. We pass your request on and explain.
Towns near Tomar
Live in another municipality of the Middle Tagus? These lie around Tomar. Write your town in the request.
Cannot find your area? Write it in the request.
Tomar in photos
A house by the Nabão river
The river runs through the town, and the low areas can have more damp and morning mist. If the house is by the water, check whether the damp comes from the wall, the floor or the air before blaming the window.
A new window helps keep the glass warmer and reduce droplets, but the cause of the damp may be elsewhere, such as a leak or an uninsulated wall. Ask someone to look at the whole house. Once the cause is dealt with, the window completes the job.
A town of mills and tourism
Tomar was an industrial centre, with paper, spinning and wood-product mills. Today tourism has a big weight, mainly because of the Convent of Christ, the Synagogue and the museums, and many old buildings have been restored.
People living in old houses or converted buildings find tall openings, thick walls and windows that are not all alike. Ask for careful measuring, ask about solutions that respect the design of the building and check whether the council has facade rules. A good window improves comfort without spoiling the look.
General notes
Not always. It can come from the wall, the floor or the air of a low area. A tighter window helps against cold, but without airing the damp stays inside the house. Open the windows a few minutes a day and look for leaks.
Near listed monuments there may be rules for facades. Speak to the town council before changing how the outside looks. Bring photos and say whether you want to keep the lines of the old window, so the installer can propose a close solution.
Wikipedia gives no figures. In a Middle Tagus valley, winter rain is to be expected, so the joint around the window deserves attention. Water almost always gets in there, and not through the glass.
Isolated houses take more wind and dust. Ask for firm locks and profiles that are easy to clean. If the house is closed part of the year, ask for windows with their own ventilation to avoid mould, and hardware that does not need much care.
In many homes, yes, if the seal is good. Triple only pays off on cold or very exposed walls, and it is heavier. Ask the installer to compare the two options for your home and explain the difference.
Yes. Write your locality in the request and we pass it on to installers in that area. We do not install, we only connect the person asking with the person who does the work. Say whether the house is by a river or in a high area, because damp changes a lot.
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