What are the CFM? and dimension for install

Bob, The CFM (from the manufacturer's web site) for the XD2 is 180 CFM (both fans operating). The unit installs through the rim joist of 16" on center or greater floor joists or through a wall. We have had very good results from our installation. Good luck! - John

Does this "exchange" the heat or cold in the air like a hrv/erv?

Rachel is right. It only sucks fresh air in or blows stale air out. Fans are reversable so one can be bringing fresh air in while the other is exhausting. Does not separate inside and outside air like a heat exchanger.

What is the noise level of the fans and motors? How does it compare to a bathroom fan?

depends on the location, installation and how loud your bathroom fan might be! mi productis under the house in the basement with insulation and it is much quieter than my standard bathroom fans.

Do you need a vent cover for the exterior? It looks like there's a hooded cover on the outside, but what about some sort of screen to keep bugs out?

This air exchanger does come with a vent cover and a removable screen to keep out insect and mice and other varmits

Tjernlund X2d Model Products Xchanger Reversible Basement Fans

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Description

💨 Breathe Easy, Save Energy, Live Fresh — Your Basement’s Best-kept Secret!

ENERGY SMART 40 W OPERATION - Runs on a fraction of the power of typical dehumidifiers, saving you money while keeping your space fresh.
DUAL 90 CFM REVERSIBLE FANS - Customize airflow to exhaust stale air or supply fresh air for a perfectly balanced basement environment.
WINTER READY MAGNETIC COVERS - Easily protect your system during colder months without uninstalling, ensuring year-round performance.
INTEGRATED ADJUSTABLE DEHUMIDISTAT - Automatically controls humidity levels to prevent mold and musty odors without constant monitoring.
FLEXIBLE INSTALLATION WITH SEPARATE HOOD - Install through rim joists or walls with a removable screened exterior hood for maximum versatility.

The X2D Model Products Xchanger Reversible Basement Fans feature two powerful 90 CFM fans that can be individually reversed to either exhaust damp, musty air or supply fresh air. Operating at just 40 watts, this energy-efficient system includes an adjustable dehumidistat for automatic humidity control, magnetic winter covers, and a removable screened exterior hood. Designed for flexible installation through walls or rim joists, it effectively ventilates basements, crawl spaces, garages, and seasonal homes to eliminate moisture and odors while reducing energy costs.

Specifications

ASIN	B003VZH2SY
Air Flow Capacity	90 Cubic Feet Per Minute
Best Sellers Rank	#574,520 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,474 in Household Ventilation Fans
Blade Length	6 Inches
Blade Material	Plastic
Brand	Tjernlund
Brand Name	Tjernlund
Collection Name	Winter
Color	Multicolor
Control Method	Remote
Controller Type	Button Control
Customer Reviews	4.4 out of 5 stars 200 Reviews
Electric Fan Design	Exhaust Fan
Electric fan design	Exhaust Fan
Finish Type	Painted
Global Trade Identification Number	00080956956620
Included Components	Fan
Indoor Outdoor Usage	Indoor
Installation Type	Wall Mount
Is Product Cordless	No
Item Dimensions D x W x H	30"D x 8"W x 6"H
Item Weight	18 Pounds
Manufacturer	Tjernlund
Material	Alloy Steel
Model Name	X2D 5323798
Model Number	X2D
Mounting Type	Wall Mount
Number of Blades	8
Number of Power Levels	1
Number of Speeds	2
Part Number	X2D
Power Source	Corded Electric
Product Dimensions	30"D x 8"W x 6"H
Recommended Uses For Product	Basements
Reusability	Reusable
Room Type	Bathroom, Kitchen
Standby Power Shutoff	High Efficiency
Style	X2D
UPC	080956956620
Unit Count	1.0 Count
Voltage	120 Volts
Warranty Description	No Warranty
Wattage	40

Reviews

B**L

19.04.2017

W**R

6.08.2018

D**Y

3.12.2017

W**T

28.11.2025

D**N

11.06.2018

U**N

2.07.2024

M**K

30.10.2025

A**.

9.11.2020

I**N

26.09.2022

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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