12V DC Double Reversible Roof Window Ventilation RV fan
TTC-SC21/V4+
SkyCool RV Roof Fan Collection: Coolness from Above for Your RV!
Multi-Purpose roof window double fan is equipped with TITAN exclusive 9-blades silent fan and the function of reversible airflow to ventilate and cool various spaces such as motorhome, travel truck, houses, cabinets, and so on.
With smart panel of fan and 6-levels speed setting, it is easy to switch flow direction, draw fresh air in or exhaust out, and select the comfort speed as your will. Allow you to quickly heat transfer and ventilate circulation. By 12V DC current and 280CMF airflow amount, this roof window fan can increase over 80% flow efficiency of room, toilet, kitchen in your motorhome.
Moreover, roof window can be closed or opened without dismounting the double fan. The thickness of fan is only 34mm, it can fit for roof window filters without dismounting.

Features
- UNIVERSALLY FIT ALL BRAND OF 380-550MM ROOF WINDOW
Ideal for all 380 -550mm roof vent window for motorhome, camper van, travel trailer, or truck - FIT FOR WINDOW FILTERS
Roof window can be closed or opened without dismounting the double fan - REVERSIBLE AIRFLOW DIRECTION
Manually reverse airflow direction design, allowing push hot air out from inside and draw in fresh air from outside. - QUICKLY HEAT TRANSFER AND REGULATE CIRCULATION
Equipped ith strong airflow of 280 CFM by two 140mm fans, it can quickly push hot air out to regulate and enhance ventilation inside - 6-LEVELS OF SPEED CONTROL
With the smart panel, easily monitor and balance cooling performance and silent operation. - SILENT OPERATION - TITAN 9-BLADES
Take TITAN professional 9-blades kukri silent fan, this multi-purpose fan or fridge vent fan provides you the quietest operation experience without being disturbed
Applications
- Motorhome / RV roof top window ventilation fan
- Motorhome / RV bathroom window ventilation fan
- DIY ventilation fan
- Cabinet ventilation fan
- Bus coversion DIY ventilation cooling fan
- Skoolie ventilation cooling fan

Specification
- Outline Dimension: 320 x156 x34mm
- Fan Dimension: 140 x140 x25mm*2
- Rated Voltage: 12V DC
- Rated Current: 1A
- Power Consumption: 12W
- Rated Speed: 600-~2200 RPM
- Airflow: 76.4~280 CFM
- Static Pressure: 0.05~1.0 Inch H₂O
- Noise Level: 7~32 dBA
- Bearing Type: Z-AXIS
- Life Time: 60,000 Hours
- Cable length: 6M
- Lead Wire: UL2468# 26AWG
Package Volume
- 1CTN(PCS): 10
- N.W.(KGS): 11.8
- G.W.(KGS): 15.2
- MEAS'T(CUFT):1.9
MOQ
MOQ: 1000pcs
- Photo Gallery
- Multi-Purpose roof window double fan is equipped with TITAN exclusive 9-blades silent fan.
- The roof window mounting fan has the function of reversible airflow to ventilate and cool various spaces such as motorhome, travel truck, houses, cabinets, and so on.
- Equipped with strong airflow of 280 CFM by two 140mm fans, it can quickly push hot air out to regulate and enhance ventilation inside.
- The window mounting fan is equipped with 12V power cable holes and available with AC transfer adaptor. The fan provides various application in life.
- The thickness of rack mounting fan is only 34mm. The fan can fit for window filter of motorhome without dismounting.
- With stepless panel of fan and 6-levels speed setting, it is easy to switch flow direction, draw fresh air in or exhaust out, and select the comfort speed as your will. Allow you to quickly heat transfer and ventilate circulation.
- Ideal for all 380 -550mm roof vent window for motorhome, camper van, travel trailer, or truck.
- The window mounting fan is equipped with 12V power cable holes and available with AC transfer adaptor. The fan provides various application in life.
- TITAN 12V Roof vent fan package
- The window rack mounting fan can fit for window filters without dismounting the double fan.
- The window rack mounting fan can fit for window filters without dismounting the double fan.
- Assembly guild of window rack double fan
- All assemblyof window rack double fan
- Related Videos
TITAN RV/Motorhome fan series introduce (TTC-SC21 /TTC-SC09/ TTC-SC22)
Installation Instruction of RV/Motorhome Roof Window fan TTC-SC21
Upadate your RV! RV Window fan& Roof Vent fan& Table fan (TTC-SC21)
DIY Venitng for RV/Motorhome fan review(TTC-SC20/TTC-SC19/TTC-SC21)
DIY: Installed on the side of RV window (Including Testing Temperature, Noise and fan speed)
YouTuber Recommend of Replacement roof window fan (TTC-SC21)
Titan's RV ventilation review (TTC-SC21/ TTC-SC22)
TITAN RV Cooling Fan (TTC-SC09/ TTC-SC22/ TTC-SC09)
- Files Download
- Related Products
12V DC Double Reversible Ventilation RV fan with Wireless Controller
TTC-SC21/V3, TTC-SC21/V3+/TTC-SC21/V4+
Updated version for TITAN RV window double fan. The fan is equipped with two TITAN exclusive...
Details12V DC Multi-Puropse Rack Mount Ventilation Cooling Refrigerator Fan
TTC-SC09TZ(A) 9cm, TTC-SC09TZ(B) 12cm, TTC-SC09TZ(C) 14cm
Equipped two TITAN exclusive silent but strong airflow fan and speed controller which can switch...
Details12V DC Double Ventilation Cooling Rack RV Fan with Timer and Speed Controller
TTC-SC19(A), TTC-SC19(B), TTC-SC19(C)
TITAN 12V DC Double Rack fan is equipped with 6-levels timer setting and speed control. The fan has the mode...
Details12V DC IP55 Waterproof Double Ventilation Cooling RV Fan with Timer and Speed Controller
TTC-SC20(A)/TTC-SC20(A)+/TTC-SC20(A)/V2+, TTC-SC20(B)/ TTC-SC20(B)+/TTC-SC20(B)/V2+, TTC-SC20(C)/ TTC-SC20(C)+/TTC-SC20(C)/V2+
TITAN 12V DC Double Rack fan is equipped with 6-levels timer setting and speed control. The fan has the mode...
Details12V DC IP55 Waterproof Double Rack Mount Ventilation Cooling fan for RV Fridge Vent Grille
TTC-SC22(A)/TTC-SC22(A)+, TTC-SC22(B)/TTC-SC22(B)+,TTC-SC22(C)/TTC-SC22(C)+
Equipped with two TITAN exclusive 9-blades silent fan and IP55 waterproof & dustproof fan and speed...
Details12V DC Double Reversible Roof Window Ventilation RV fan
TTC-SC21/V4+
Multi-Purpose roof window double fan is equipped with TITAN exclusive 9-blades silent fan and the function...
Details12V DC Adjustable Dual X Houlder with Two Fans for PCI Slot /System Cooler DIY Mounting Ventilation Cooling Fan
TTC-SC07TZ(RB)
VGA Cooling Helper: TITAN- TTC-SC07TZ(BR)Customize the best cooler you need!
Details- FAQ
[RV fan] What are the differences between TITAN's Multi-Purpose Rack fans? How do I choose among them?
Question Match Product: All RV fan seriesHello, below is the differences for all TITAN Multi-Purpose Rack fan, you can refer it.
[RV fan] Can I install the TITAN RV fan inside my RV fridge, inside the cooling fins?
Yes. TITAN RV fan series are designed to help cool down the RV refrigerator, and we advise to be installed on close to evaporator of the refrigerator...
[RV fan] Can the TITAN RV fan be mounted to the outside fridge vents?
Yes. TITAN RV fan series has the product to be designed to the outside fridge vents. We could also customize unique RV fan for your need. You can install...
[RV fan] Where can I use the RV fan to ventilate?
There are various places with the need of ventilation such as RV fridge, RV window, Bathroom& Toilet, and kitchen. According to the need of RV ventilation,...
[RV fan] Can TITAN RV fan be mounted to the roof vent of the fridge?
Yes. You just have to place it in vent area after taking off the cover and modify how you would/will secure it. It is very easy and does help. But you might...
[RV fan] How do you install the TITAN RV fan to the electric source?
There are two nacked wires, a red (positive polarity) and black wire (negative polarity) that leads from the control panel of the fan. Connected those...
[RV fan] How can I use the TITAN Multi-Purpose Rack fan?
TITAN Multi-purpose rack fan series is designed to DIY mounted. You can depend on the function you want to choose such as timer setting, waterproof function,...
[RV fan] I understand that the fan speed can be controlled by temperature. What is the temperature range?
Fan speed varies from 45F to 113F, it is supposed to shut off below 45F but in reality neither one of mine ever shut off even down to freezing, they do reach...
[RV fan] How much amperage do the fans draw?
Hello, owing to this product is DC fan, the amperage of the fan is low. I can offer you the rated current. of the fans. Please see below. Hope it is clear...
[RV fan] Which side of the fan blows out the airflow? Can it reverse the airflow?
The common RV fridge typically features two ventilation side vents, one at the top and the other at the bottom. The recommended installation method involves...
[RV fan] Can I reverse the polarity connection to change the direction of airflow?
TITAN fan is not equipped with this function, please do not attempt to revise the polarity connection of a fan to change the direction of airflow. It would...
[RV fan] What should I notice when installation?
Please kindly check below instrucitons, and notice the voltages, wires, speed controller, and fan itself before installation.If you have any further...
[RV fan] Where should I install the temperature sensor?
Owing to the probe is to detect outside air temperature, we suggest you could place the sensor near about an inch from the highest of heating rising. But you may research...
[RV fan] Does it come with the "Y" harness so you can combine the two fan's power leads?
Yes. The “Y” harness combines the two fans power leads. Nevertheless, please kindly notice that the fan cable need to connect with our speed controller...
[RV fan] Is the control panel wire run inside the coach so that the owner can select the fan speed from inside, or is it installed behind the outside vent panel?
In general, the answer to this question depends on the specific model of the RV fan you are referring to, as different models may have different features...
[RV fan] Can I connect over 12 volts to increase the fan speed?
No. The fan speed would not increase the fan speed by connect over the power over 12 voltages. If you connect over 12 voltages, the fan may cause permanent...
[RV fan] Should I install the battery to the fan or the speed controller?
It depends on the type of fan and speed controller you have. The TITAN fan does not require a battery to be installed. It has a 12-volt power connectorMake...
[Cooling fan] What is a fan bearing?
The major function of fan bearing is to make fan blades operated fluently. The purpose of fan bearing is to reduce rotational friction and support axial...
[Cooling fan] What types of cooling fan bearings are there?
TITAN have three major bearing types: Sleeve bearing, Z-AXIS bearing, and Ball bearing. All the cooling fan depends on various need, lifetime, and characteristics...
[Cooling fan] What characteristics determine the lifetime of a fan?
Within a cooling fan, three key components play a vital role: the Integrated Circuit (IC), the Bearing, and the Fan Blades. Of these, the fan bearing significantly...
[Cooling fan] What types of bearings should I choose?
Choosing the right fan bearing is crucial for extending the fan’s lifespan and ensuring stable operation. TITAN offers three main bearing types: Ball...
TITAN RV Fan Series
This is TITAN RV product serous, it will help you to understand the differences.
How Can TITAN's Reversible Airflow Technology Transform Your RV's Climate Control?
Our TTC-SC21/V4+ fan revolutionizes RV climate management with its dual-direction airflow system. At the touch of a button, you can switch between drawing fresh air in or pushing hot, stale air out—increasing ventilation efficiency by over 80% in your motorhome's living spaces, bathroom, and kitchen. This versatility means you can create the perfect interior environment regardless of outside conditions, maintaining comfort during hot days or humid nights without running your power-hungry A/C system.
What sets the TTC-SC21/V4+ apart is its intelligent design that allows for manual reversible airflow direction, enabling users to either draw fresh air in or expel hot air out according to their needs. The smart control panel offers 6-level speed adjustment and timer functionality, allowing precise climate control with minimal power consumption at just 12W. With its ultra-slim 34mm profile, this fan system can be installed without dismounting existing window filters, and the roof window can still be freely opened or closed after installation. Backed by TITAN's 27+ years of thermal expertise, this durable Z-AXIS bearing system ensures reliable performance with a 60,000-hour lifespan.