Air conditioning and climate control guides
Answers written by those who do the work, in Portuguese. Without beating around the bush and without selling anything in between. If the answer is “that can be resolved at home”, that is what is written here.
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Air conditioner not cooling: the most common causes
The unit starts and runs, but the room temperature does not fall. Three causes account for most cases, and two can be checked without a technician.
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The air conditioner is leaking water
Leaking water does not always mean a fault. Where the water appears makes the two cases easy to tell apart.
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How many BTU do I need for my room
Room area is a starting point, not the whole answer. Two rooms with the same floor area may need very different capacities.
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Air conditioning: legal requirements in Portugal
There is a great deal of inaccurate information about mandatory inspections and maintenance. This guide sets out what Portuguese law actually says, with the source alongside each requirement.
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