Blue Crown Seals™

Seals That Last.

Premium HNBR refrigerant hose seals engineered for durability, leak prevention, and long-lasting performance. Designed by HVAC technicians to outperform standard neoprene gaskets and keep your hoses sealing job after job.

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Protect Your Hands. Deflect Refrigerant. Work with Confidence.

Frost Shield™

Frost Shield is designed to do more than improve grip. Its high-temperature silicone construction helps shield your fingers from hot gas lines while providing a barrier between your hand and the fitting during service. The built-in deflector helps redirect refrigerant away from your hand when connecting or disconnecting hoses, improving comfort and control on the job. Whether you’re working on a hot discharge line or making a quick service connection, Frost Shield helps you stay protected and focused.

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Frost Shield™Fits Standard 1/4” Hose Fittings — Not Compatible with Low-Loss, Beveled Ends, or NAVAC Fittings

Instant Color Identification at Your Fingertips

No more second-guessing which hose you're grabbing. Red, yellow, and blue stay clearly identifiable — even in tight spaces, low light, or fast service calls.

Probe Tags

Never Mix Up Your Probes Again

Keep your suction and discharge probes instantly identifiable with Frost Shield Probe Tags. These durable heat-shrink tags provide a secure, long-lasting grip while making it easy to spot the correct probe at a glance. Simply apply heat for a custom fit that stays in place, helping you work faster, stay organized, and eliminate guesswork in the field.

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Real service call. This is how Frost Shield actually performs

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Distributor & Wholesale Inquires

Warranty Information

Frost Shield 1-Year Replacement Warranty

We stand behind our product. Period. Frost Shield is backed by a 1-Year Replacement Warranty from the date of purchase. If your Frost Shield product fails due to defects in materials or workmanship under normal HVAC service use within one year of purchase, we will replace it at no charge.

What's Covered?

  • Manufacturing defects
  • Material failure during normal intended HVAC use
  • Functional failure not caused by misuse

What's Not Covered?

  • Damage from misuse, abuse, or improper installation
  • Intentional damage
  • Normal wear and cosmetic damage
  • Loss or theft

How It Works

  • Email us with your order number and a brief description of the issue
  • Provide photos if registered
  • If approved, we will ship a replacement unit

That's it. No hassle.

We build Frost Shield for working HVAC professionals, and we stand behind it.