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.

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.

what power supply should I use. any 12v? does the 12v power supply need a minimum number of amps? thanks

I believe its a max of 6a @ 12v assuming all the heat is being removed

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DC 12V DIY Thermoelectric Peltier Refrigeration Cooling System Kit Semiconductor Cooler Heat Sink Conduction Module Fridge Mini Air Conditioner Refrigeration

Product ID: 611506250

Details

Brand
Yrhrol
Power Connector Type
3-Pin
Product Dimensions
12L x 10W x 8H
Voltage
12 Volts
Wattage
72 Watts

🧊Cools spaces up to 10L

⚙️Compact 120x100x80mm size

❄️72W max cooling power

Description

❄️ Stay cool, stay ahead — the ultimate mini chill master for your smart space!

PLUG PLAY ASSEMBLY - Comes fully assembled with clear wiring for effortless installation — no sweat, no fuss.
POWERFUL 72 W COOLING - Delivers efficient, noiseless semiconductor cooling for your tech and small spaces.
SILENT ECO FRIENDLY - Zero vibration, zero refrigerants — just pure, whisper-quiet cooling performance.
SPACE SAVVY MINI DESIGN - Compact footprint fits anywhere — perfect for desks, pet beds, or mini fridges.
VERSATILE COOLING SOLUTION - Ideal for computer heatsinks, wine cellars, pet beds, and more — keep your essentials chill.

This DC 12V DIY Thermoelectric Peltier Cooling Kit features a high-quality TEC1-12706 semiconductor plate paired with an aluminum heat sink and fan system, delivering up to 72W of silent, vibration-free cooling. Its compact 120x100x80mm design efficiently cools enclosed spaces up to 10 liters, making it perfect for small electronics, pet beds, or mini fridges. Fully assembled and easy to install, it requires no refrigerants and operates on a standard 12V DC power supply.

Specifications

ASIN	B0B48K6QWH
Best Sellers Rank	#124,410 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #1,632 in CPU Fans
Brand Name	Yrhrol
Compatible Devices	Desktops, Laptops, Small Appliances
Cooling Method	Air
Country of Origin	USA
Customer Reviews	4.0 4.0 out of 5 stars (89)
Included Components	Semiconductor Cooler Conduction Module + Radiator + Fan + TEC1-12706
Item Dimensions L x W x H	12L x 10W x 8H Centimeters
Manufacturer	Yrhrol
Material Type	Aluminium
Model Number	12V Peltier Air Cooling System
Noise Level	30 Decibels
Number of Items	1
Number of Packs	1
Part Number	12V Peltier Air Cooling System
Power Connector Type	3-Pin
Unit Count	1.0 Count
Voltage	12 Volts
Wattage	72 Watts

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