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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 There are no sections or seams for heat loss like on an outdated conventional hot tub style cover.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.


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.

We have received our swim spa cover and I got to say I love it! Our last cover was a typical “easy” cover lifter. It was a workout to just get in the spa. After 2 years it sagged into the water and became water logged. It was horrible.

After receiving your cover, we followed the directions, and found that I could roll this cover back with 2 fingers. It is amazing! Thank you so much for the product and for it being affordable.

Thank you,
Kevin Rab…November 2022

Beau and Patricia,   Would like to thank you both for the excellent communication and helpfulness that I have received for the both of you.    I received my cover and absolutely LOVE it !!!!!

Thank you VERY a much!
Pam Rhodes…California…July 2022

I just wanted to give 2 of your associates a huge thumbs up for there outstanding customer service. In a society with lacking customer priority yours is defiantly an exception. The Sales Manager was able to get me the cover and pushed manufacturing to match my schedule…
The Shipping Manager expedited the shipping and truly cared about how it arrived, following up with me to insure proper delivery. She was also able to have the time to cover all aspect of this cover, even including care and chemical usage. I really enjoyed our interaction.

Paul Gray…Wenatchee, WA…May 2021

We appreciate all that was done to get us this great product. Installation was easy and it’s easy to use. Our salesmen, was very helpful and answered our questions promptly. We installed it today and we just love it.

Lisa Atkins…NewBurgh, IN…April 2021

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