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Manufacturer Testing

As the manufacturer of End2End Covers, we follow stringent guidelines in production with ongoing inspection compliance with UL labs for energy efficiency [CEC Title 20].  UL Labs [Project Number 4788881992] was completed on 3.17.2019 with a pass/compliance.

CEC Title 20: Per Section 1605.3(g)(6)(B), the normalized standby power (Pnorm), as defined in Table G-3, manufactured on or after June 1, 2019, is not greater than calculated standby power (3.75(V2/3)+40) watts, where V = the fill volume, in gallons.  

Calculated Standby Power (3.75(V2/3) + 40) W: 587.68 
Normalized Standby Power (Pnorm): 566.20 Watts (W) 
 
Thermal Information:  We all have a general understanding of the insulation R-Rating System.
 
R-Rating is a measure of how a material resists the flow of heat through that material. There are now many superior, heat-retaining materials available to insulate these days instead of the 50-year-old hot tub style design with thick foam covers.
 

We have tested the E2E Swim Spa Cover against the R-19 foam cover. The E2E Swim Spa Cover outperformed the R-19 foam cover in climate control test chambers, saving customers daily energy consumption and costs.

The reasons for this, which link directly to the materials used in the designed of the End 2 End Swim Spa Covers®.

  • The E2E Cover’s one-piece system, locks in heat vapor which stops convective heat loss. There are no sections or seams for heat loss like on an outdated conventional hot tub style cover.
  • Air trapped in our multi-layered cover stops conductive heat loss.
  • We use a full layer of barrier to reflect the heat waves back into the water.
  • We use a one-piece closed cell foam cover system, which does not absorb water.

These factors, locking in the heat vapor, air entrapment within the cover, plus reflecting heat waves back to the water is why we outperform the other cover systems.

The E2E Cover® provides consumers energy efficiency, one-person ease of use, and longevity.

Testimonials

The following testimonials extracted from the from the E2E Website are from customers who have purchased an E2E Swim Spa Cover and have commented on the thermal benefits gained from the E2E Swim Spa Cover.

There are many other testimonials received from customers on our website under the Testimonials webpage.

The link below will take you there.

www.end2endswimspacovers.com/testimonials

Love our cover! Easy to use and looks great!
Thank You!
Mrs. Terry Rochelle – February 2025

We love our new hot tub cover. It’s very easy to use and was very easy to install. Every aspect from ordering to receiving from the freight company was seamless! Thank you.
Wayne Sutton – January 2025

Thank you for your great customer service!
Lisa Eller – January 2025

We are very happy with our cover and the service we were provided.
Daniel Lovato – 2025

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