what is the height of the smaller heat sink. I will be mounting this through something to keep the hot and cold sides separate through it?

The smaller heatsink is 28mm, and with the fan it’s 36mm.

Can this TEC module be used in a bipolar heating / cooling mode to maintain a stable temperature for a well insulated container?

This module is normally used for cooling. The heat generated must be removed with heatsink and a cooling fan (mounted externally on the enclosure). I think it would be technically challenging to use a single module to control both cooling and heating, I would just add a separate resistive heating element to heat up the enclosure if this is necessary.

Could you make this cool an outdoor pet house? What would be needed besides this to do that?

It could work as a heater but not as cold a/c. This peltier module has two sides, the big fan gives you 80% hot air, and the tiny side 20 and if that 20 goes into a non air sealed container you’ll waste your money.. good luck..

How many degrees does it cool below ambient temperature? It says 5 to 6ﾟ in description. Is that it?

We did an experiment. After 2.5 minutes, the temperature dropped 10F, and after 10 minutes, the temperature was 13.7F lower than surrounding temperature. With time goes by, the temperature tend to stabilize. However, it also depends on the insulation around the Peltier. I hope that answered your question.

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DC 12V DIY Thermoelectric Peltier Refrigeration Cooling System Kit Semiconductor Cooler Heat Sink,2 Cooling Fans, 2 Large Fans and 2 Cold Junction modules (Dual)

Product ID: 541339116

Details

Brand
Yrhrol
Compatible devices
Desktop
Cooling method
Air
Material
Aluminium
Noise level
30 Decibels
Number of Packs
1

🌀Dual high-efficiency cooling fans

📏Compact 20x12x9.5 cm size

❄️144W max cooling power

AR$193197

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

❄️ Chill like a pro: compact power cooling for your coolest setups!

DUAL FAN SYSTEM - Two large fans plus two cooling fans ensure whisper-quiet, vibration-free airflow for optimal heat dissipation.
PLUG PLAY DIY KIT - Completely assembled with clear wiring—no soldering or guesswork, perfect for tech-savvy pros and hobbyists alike.
COMPACT SPACE SAVVY - Sleek 7.87x4.72x3.74 inch design fits effortlessly into any small space or DIY project.
ECO FRIENDLY SILENT - No refrigerants, zero noise, and no vibrations—cool smarter while staying green and discreet.
POWERFUL 144 W COOLING - Delivers rapid temperature drops with semiconductor TEC1-12706 tech for instant refreshment.

The DC 12V DIY Thermoelectric Peltier Cooling System Kit features a high-quality TEC1-12706 semiconductor cooler paired with dual large fans and heat sinks, delivering up to 144W of silent, vibration-free cooling. Its compact aluminum design (20x12x9.5 cm) fits small spaces perfectly, making it ideal for mini fridges, electronics, and pet beds. Fully assembled and easy to install, this eco-friendly kit requires no refrigerants and supports efficient cooling for volumes up to 10L.

Specifications

ASIN	B0C7Q3K88G
Best Sellers Rank	21,989 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 98 in Electronic Cooling Fans
Brand	Yrhrol
Compatible Devices	Desktop
Cooling Method	Air
Country Of Origin	China
Customer Reviews	3.5 3.5 out of 5 stars (32)
Included Components	heat sink
Item Dimensions L x W x H	20L x 12W x 9.5H centimetres
Manufacturer	Yrhrol
Manufacturer Part Number	Thermoelectric Semiconductor Radiator
Material	Aluminium
Model Number	Thermoelectric Semiconductor Radiator
Noise Level	30 Decibels
Number of Items	1
Number of Packs	1
Power Connector Type	2-Pin
Unit Count	1.0 count
Voltage	12 Volts
Wattage	144 watts

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AR$193197

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Argentina.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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