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Sale Price $6.63.  
Original Price $11.05 Comp. value
per keychain
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HVAC Theory in Brief Keychain

4.6 out of 5 stars rating
5402 Total Reviews |
by
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Style
Aluminum Circle
+$2.85
+$2.85
+$14.10
+$14.10

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About Keychains

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Keychain
Create your own from scratch

Style: Metal Circle Keychain

Keep your keys safe and spectacular with this sturdy aluminum keychain from Zazzle. Beautifully printed on both sides, you can choose from thousands of designs, or personalize it with your own photos, text or unique designs. Label your car keys or keep a family photo of loved ones close to you at all times, these personalized keychains are light and waterproof.

  • Dimensions:
    • Diameter: 2"
    • Depth: 0.045"
    • Weight: 0.05 oz.
  • Full-color, full-bleed printing
  • Silver colored metal key ring with plastic snap ring
  • Light and waterproof
Designer Tip: To ensure the highest quality print, please note that this product’s customizable design area measures 2” in diameter. For best results please add 1/16" bleed

About This Design

HVAC Theory in Brief Keychain

HVAC Theory in Brief Keychain

A tribute to all those who are involved in the gigantic heating & refrigeration industry. One basic diagram summarizes the basic principle. Absolutely ideal for company hats & logos. And, Zazzle allows you to customize this image at the time of ordering!
Beneath the Surface - The Real Action!
Bronze
Artwork designed by
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Customer Reviews

4.6 out of 5 stars rating5.4K Total Reviews
4193 total 5-star reviews780 total 4-star reviews214 total 3-star reviews116 total 2-star reviews99 total 1-star reviews
5,402 Reviews
Reviews for similar products
5 out of 5 stars rating
By Ali Y.February 4, 2026 • Verified Purchase
Aluminum Circle, 2"
Lovely & cute keychains i love them thank you sooo much ,they also reached to me soo fast 😍.
5 out of 5 stars rating
By linda f.June 18, 2025 • Verified Purchase
Premium Round, Small (1.44")
So cute and this is perfect!!!
5 out of 5 stars rating
By AnonymousSeptember 22, 2025 • Verified Purchase
Aluminum Circle, 2"
I went on vacation and family and friends want me to get them a key chain I was already returning home so I got it from zazzle there happy!!

Tags

Keychains
hvacheatingcoolingpumpexchangerthermalmasscondensercondensorevaporator
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hvacheatingcoolingpumpexchangerthermalmasscondensercondensorevaporator

Other Info

Product ID: 146600171318609997
Created on: 6/26/2011, 9:07 AM
Rating: G 
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