Standard water heaters typically have integrated insulation with an R-value of between ____, while very efficient heaters may have R-values as high as 24.

Name: Standard water heaters typically have integrated insulation with an R-value of between ____, while very efficient heaters may have R-values as high as 24.
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The Answer of Standard water heaters typically have integrated insulation with an R-value of between ____, while very efficient heaters may have R-values as high as 24.

Standard Water Heaters Typically Have Integrated Insulation with an R-Value