What does attic insulation cost in Phoenix?
SRP's rebate is the smaller of 75% of the cost or $600, so on most full jobs the $600 cap is what you'll see.1
SRP
Up to $600
Up to 75% of professionally installed attic insulation, applied instantly on the invoice.1
Blown-in cost by R-value
| R-value | Min. thickness | National cost per 1,000 sq ft |
|---|---|---|
| R-38 | 13.0 in | $840–$1,500 |
| R-49 | 16.5 in | $1,100–$1,900 |
| R-60 | 20.0 in | $1,400–$2,400 |
Source: HomeGuide (national, blown-in).2
SRP rebate examples (our arithmetic)
| Insulation price | 75% of price | SRP rebate (capped at $600) | You pay |
|---|---|---|---|
| $700 | $525 | $525 | $175 |
| $840 | $630 | $600 | $240 |
| $1,500 | $1,125 | $600 | $900 |
$840–$1,500 is HomeGuide's national blown-in range to R-38 per 1,000 sq ft.2 SRP's rules: 75% up to $600.1
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- Air sealing: $350 to $3,000 nationally.3
- Removing old insulation: $1 to $2 per sq ft.3
- Soffit baffles: $2 to $3 each.3
- Minimum job charges of $1,500 to $2,000 at some companies.2
Common questions
How much does attic insulation cost in Phoenix?
No local survey exists. HomeGuide's national blown-in price to R-38 is $840 to $1,500 per 1,000 square feet.
How much will SRP pay on a $1,500 attic job?
75% would be $1,125, so the $600 cap applies, leaving $900 (our arithmetic).
Is the SRP rebate paid later?
No. SRP says participating contractors apply it to your invoice instantly.
Is there still a federal tax credit for insulation?
No. The IRS says the Energy Efficient Home Improvement Credit covers improvements made through December 31, 2025.
General information summarized from the public sources listed below. It isn't professional, engineering or legal advice. Codes and programs change; confirm current requirements with your local building department or utility before you start.