---
product_id: 509706648
title: "540 CFM IP-55 Grade Crawlspace Ventilation Fans with Humidistat & Thermostat, 8.7 inches Basement Vent Fans with Isolation Mesh, Ventilator Fan for Crawl Space Basement Attic Garage, Exhaust"
brand: "alorair"
price: "€ 205.85"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/509706648-540-cfm-ip-55-grade-crawlspace-ventilation-fans-with-humidistat
store_origin: FI
region: Finland
---

# 540 CFM airflow powerhouse Built-in humidistat & freeze thermostat IP-55 waterproof & dustproof rating 540 CFM IP-55 Grade Crawlspace Ventilation Fans with Humidistat & Thermostat, 8.7 inches Basement Vent Fans with Isolation Mesh, Ventilator Fan for Crawl Space Basement Attic Garage, Exhaust

**Brand:** alorair
**Price:** € 205.85
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe Easy, Live Better: The Ultimate Crawlspace Ventilation Solution

## Quick Answers

- **What is this?** 540 CFM IP-55 Grade Crawlspace Ventilation Fans with Humidistat & Thermostat, 8.7 inches Basement Vent Fans with Isolation Mesh, Ventilator Fan for Crawl Space Basement Attic Garage, Exhaust by alorair
- **How much does it cost?** € 205.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/509706648-540-cfm-ip-55-grade-crawlspace-ventilation-fans-with-humidistat)

## Best For

- alorair enthusiasts

## Why This Product

- Trusted alorair brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Powerful Airflow:** Delivers 540 CFM to rapidly ventilate crawlspaces, basements, attics, and garages.
- • **Quiet Efficiency:** Operates under 55dB with a brushless motor for whisper-quiet, energy-saving ventilation.
- • **Smart Humidity Control:** Automatically activates between 10%-80% RH to keep your space dry and mold-free.
- • **Weatherproof Durability:** IP-55 rated aluminum zinc shell resists rust, dust, and moisture for long-lasting performance.
- • **Easy Plug & Play Installation:** Trim-to-fit faceplate and 6-foot grounded cord make setup effortless—set it and forget it.

## Overview

The ALORAIR VentirPro 540 is a high-efficiency, IP-55 rated exhaust fan designed for crawlspaces, basements, attics, and garages. Featuring a powerful 540 CFM airflow, built-in humidistat and freeze protection thermostat, and durable aluminum zinc construction, it automatically manages humidity and prevents condensation, wood rot, and radon buildup. Its quiet brushless motor and easy installation make it the smart choice for maintaining healthy, dry indoor environments.

## Description

ALORAIR 540 CFM IP-55 Grade Crawlspace Ventilation Fans with Humidistat & Thermostat, 8.7 inches Basement Vent Fans with Isolation Mesh, Ventilator Fan for Crawl Space Basement Attic Garage, Exhaust

## Features

- Functions & Applications:Airflow: 540 CFM, ventilation type: air out. The Ventilator fan for damp crawl spaces, basement, attic and garage to reduce humidity. It can increase air circulation to stop condensation and wood rot. Also, used for exhausting vent radon gas, treating wood gases and odors, and preventing them from entering living spaces.
- Key Features:Built-in dehumidistat and freeze protection thermostat. Operating humidity: 10%-80%RH, this High-Flow Powered Ventilator Fan will turn ON/OFF automatically with SET Humidity % Level. The Dehumidistat control will not operate if the freeze protection thermostat senses low outdoor temperatures (35°F/1.7°C. ).
- Built-in Isolation Mesh & IP-55 Rated Axial Fan: Isolation Mesh on the back prevent particulates from gaining access to the crawl space; The Aluminum Zinc Shell with an IP-55 rating Axial Fan, highly resistant to liquids and dust, higher weather-proof, makes it ideal for work in a humid environment with long service life, don't worry it rusts.
- Easy to Install & Operate Vent Fan:540 CFM Air Out; 15 x 10.2 x 2.8 Inches; 115 Vac ~ 50/60 Hz; 0.51 Amps; Noise: <55dB. 8.7-inch fan with 6-foot grounded power cord. When installed, Faceplate can be trimmed to match non-standard foundation openings. Just plug it in, set it and forget it.
- IN THE BOX: The VentirPro 540 Air-Out Ventilator Fan×1; The User Manual×1; Power Adapter×1
- IMPORTANT: All models are equipped with factory pre-installed thermostats to prevent fan operation when outdoor temperatures fall below 35°F.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | ALORAIR |
| Color | Silver |
| Electric fan design | Exhaust Fan |
| Power Source | Corded Electric |
| Style | 540 CFM |
| Product Dimensions | 15"D x 2.8"W x 10.2"H |
| Room Type | Basement, Crawlspace |
| Special Feature | Waterproof |
| Recommended Uses For Product | Air Circulation |
| Noise Level | 55 Decibels |
| Wattage | 58.65 watts |
| Finish Type | Metallic |
| Air Flow Capacity | 540 Cubic Feet Per Minute |
| Blade Length | 8.7 Inches |
| Speed | 1200 RPM |
| Voltage | 115 Volts |
| Switch Type | Push Button |
| Item Weight | 6.2 Pounds |
| Included Components | Cord, User Manual, VentirPro 540 Ventilator Fan |
| Indoor/Outdoor Usage | Indoor |
| Model Name | VentirPro 540 |
| Specification Met | ETL |
| Control Method | Touch |
| Efficiency | High Efficiency |
| Is Cordless? | No |
| Number of Power Levels | 1 |
| Main Power Connector Type | NEMA 5-15 |
| Motor Type | Brushless |
| Manufacturer | ALORAIR |
| Installation Type | Wall Mount |
| UPC | 739240464203 |
| Size | 540 CFM |
| Part Number | VentirPro 540 |
| Item Weight | 6.2 pounds |
| Item model number | VentirPro 540 |
| Finish | Metallic |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Special Features | Waterproof |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** ALORAIR
- **Color:** Silver
- **Electric fan design:** Exhaust Fan
- **Power Source:** Corded Electric
- **Style:** 540 CFM
- **Product Dimensions:** 15"D x 2.8"W x 10.2"H
- **Room Type:** Basement, Crawlspace
- **Special Feature:** Waterproof
- **Recommended Uses For Product:** Air Circulation
- **Mounting Type:** Wall Mount

## Images

![540 CFM IP-55 Grade Crawlspace Ventilation Fans with Humidistat & Thermostat, 8.7 inches Basement Vent Fans with Isolation Mesh, Ventilator Fan for Crawl Space Basement Attic Garage, Exhaust - Image 1](https://m.media-amazon.com/images/I/817rnswj4KL.jpg)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-09*