Basic
$75 – $251 each
R-8 vinyl-faced fiberglass blanket fitted and taped, cut clear of controls, T&P valve and burner access
Supply and fit one pre-cut fiberglass/foil insulation blanket on a tank water heater, clearing controls and vents, by a plumber or handyman.
Insulate Water Heater in Honolulu, Hawaii typically costs $89 to $296 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Honolulu are 21.0% higher than the national average for insulate water heater.
National average: $75 – $250 each
$75 – $251 each
R-8 vinyl-faced fiberglass blanket fitted and taped, cut clear of controls, T&P valve and burner access
$89 – $296 each
R-10 vinyl-faced fiberglass blanket, seams taped, neat cutouts for controls, labels and T&P valve
$111 – $370 each
R-11 foil-faced blanket with all seams taped, cutouts for controls and labels, vent and burner clearances kept
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $38 – $125 | each |
| Labor | labor | $34 – $114 | each |
| Supplies & Other | supplies | $10 – $34 | each |
| Equipment & Disposal | equipment | $6.72 – $22 | each |
Labor costs in Honolulu run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local insulate water heater contractors in Honolulu for personalized quotes based on your specific project.