Question 1

What is a dehumidifier?

Accepted Answer

A dehumidifier is an electrical device that reduces and maintains the level of humidity in the air. It works by drawing in moist air, cooling it to condense the water vapor, and then reheating and circulating the drier air back into the room.

Question 2

Why would you use a dehumidifier?

Accepted Answer

The main reasons to use a dehumidifier are:
 • To reduce excess humidity and moisture in the air
 • To prevent mold and mildew growth
 • To alleviate allergy symptoms and improve air quality
 • To protect furniture, electronics, and home structures from moisture damage
 • To make indoor spaces feel more comfortable

Question 3

What size of dehumidifier do I need?

Accepted Answer

The size of dehumidifier needed depends on:
 • The square footage of the space
 • The humidity level
 • The temperature
As a general guide:
 • For small rooms (up to 90 sq m): 5-15 litre capacity
 • For medium rooms (90-150 sq m): 20-30 litre capacity
 • For large rooms (150-450 sq m): 30 litre + capacity

Question 4

What are the benefits of using a dehumidifier?

Accepted Answer

• Reduces mould and mildew growth
 • Alleviates allergy symptoms
 • Improves respiratory health and sleep quality
 • Protects home infrastructure and belongings
 • Reduces unpleasant odours
 • Lowers energy costs
 • Improves overall comfort

Question 5

Can I use a dehumidifier after floor or leak damage?

Accepted Answer

Yes, dehumidifiers are very helpful after water damage or flooding. They can:
 • Remove excess moisture from the air and surfaces
 • Prevent secondary water damage like warping and rotting
 • Help dry out affected areas more quickly
 • Control humidity to prevent mold growth
It's recommended to run a dehumidifier for 10-12 hours a day after water damage until the area is completely dry.

Question 6

What is included? (delivery to ground floor)

Accepted Answer

Hire of dehumidifier (depending on package chosen) , delivery will be an additional charge (and is to the ground floor)

Question 7

How long can I hire a dehumidifier for?

Accepted Answer

Our hire periods start at 3 days, and can run as long as you like. Our most popular hire plans are weekly.

Frequently Asked Questions

Nelson Dehumidifiers

Use Cases

Areas we serve

More info

Our office and hours