Attic Insulation Installation Costs
Addition of blown-in cellulose or fiberglass insulation in the attic floor to reach recommended R-value and reduce HVAC load.
Cost Comparison by Location
418 locations with verified cost data
Cost Comparison — Attic Insulation Installation
Low
$271
Typical
$5,057
High
$14,006
Low
$280
Typical
$5,233
High
$14,472
Low
$300
Typical
$5,590
High
$15,500
Low
$300
Typical
$5,633
High
$15,500
Low
$306
Typical
$5,725
High
$15,826
Low
$263
Typical
$4,907
High
$13,589
Low
$299
Typical
$5,588
High
$15,433
Low
$287
Typical
$5,348
High
$14,810
Low
$257
Typical
$4,795
High
$13,282
Low
$300
Typical
$5,603
High
$15,495
Low
$269
Typical
$5,017
High
$13,874
Low
$275
Typical
$5,139
High
$14,232
Low
$266
Typical
$4,977
High
$13,769
Low
$341
Typical
$6,371
High
$17,603
Low
$316
Typical
$5,938
High
$16,340
Low
$303
Typical
$5,653
High
$15,636
Low
$258
Typical
$4,805
High
$13,322
Low
$277
Typical
$5,181
High
$14,325
Low
$300
Typical
$5,599
High
$15,500
Low
$300
Typical
$5,588
High
$15,500
Low
$309
Typical
$5,769
High
$15,979
Low
$290
Typical
$5,398
High
$14,959
Low
$300
Typical
$5,601
High
$15,509
Low
$297
Typical
$5,552
High
$15,323
Low
$258
Typical
$4,805
High
$13,322
Low
$276
Typical
$5,144
High
$14,245
Low
$317
Typical
$5,932
High
$16,396
Low
$294
Typical
$5,488
High
$15,201
Low
$303
Typical
$5,660
High
$15,638
Low
$313
Typical
$5,862
High
$16,196
Low
$290
Typical
$5,411
High
$14,959
Low
$295
Typical
$5,532
High
$15,244
Low
$272
Typical
$5,080
High
$14,071
Low
$276
Typical
$5,151
High
$14,248
Low
$276
Typical
$5,151
High
$14,248
Low
$270
Typical
$5,039
High
$13,958
Low
$265
Typical
$4,937
High
$13,697
Low
$310
Typical
$5,800
High
$16,016
Low
$311
Typical
$5,809
High
$16,060
Low
$281
Typical
$5,239
High
$14,497
Low
$279
Typical
$5,211
High
$14,393
Low
$275
Typical
$5,123
High
$14,204
Low
$273
Typical
$5,108
High
$14,108
Low
$281
Typical
$5,255
High
$14,499
Low
$295
Typical
$5,505
High
$15,250
Low
$325
Typical
$6,090
High
$16,782
Low
$316
Typical
$5,899
High
$16,306
Low
$271
Typical
$5,052
High
$13,978
Low
$321
Typical
$6,006
High
$16,563
Low
$258
Typical
$4,811
High
$13,325
Low
$263
Typical
$4,910
High
$13,595
Low
$288
Typical
$5,378
High
$14,855
Low
$280
Typical
$5,213
High
$14,446
Low
$303
Typical
$5,657
High
$15,647
Low
$300
Typical
$5,610
High
$15,500
Low
$268
Typical
$5,011
High
$13,859
Low
$307
Typical
$5,723
High
$15,864
Low
$294
Typical
$5,498
High
$15,210
Low
$281
Typical
$5,247
High
$14,544
Low
$267
Typical
$4,984
High
$13,789
Low
$278
Typical
$5,208
High
$14,369
Low
$310
Typical
$5,785
High
$16,015
Low
$303
Typical
$5,652
High
$15,649
Low
$266
Typical
$4,956
High
$13,752
Low
$292
Typical
$5,445
High
$15,089
Low
$297
Typical
$5,557
High
$15,368
Low
$274
Typical
$5,115
High
$14,176
Low
$289
Typical
$5,396
High
$14,956
Low
$311
Typical
$5,820
High
$16,056
Low
$304
Typical
$5,677
High
$15,686
Low
$286
Typical
$5,345
High
$14,782
Low
$273
Typical
$5,087
High
$14,097
Low
$273
Typical
$5,095
High
$14,097
Low
$279
Typical
$5,214
High
$14,421
Low
$295
Typical
$5,499
High
$15,235
Low
$273
Typical
$5,090
High
$14,097
Low
$300
Typical
$5,608
High
$15,500
Low
$302
Typical
$5,648
High
$15,610
Low
$281
Typical
$5,243
High
$14,517
Low
$268
Typical
$5,012
High
$13,863
Low
$268
Typical
$4,999
High
$13,842
Low
$286
Typical
$5,350
High
$14,798
Low
$300
Typical
$5,621
High
$15,500
Low
$278
Typical
$5,186
High
$14,364
Low
$312
Typical
$5,832
High
$16,123
Low
$257
Typical
$4,814
High
$13,302
Low
$309
Typical
$5,769
High
$15,979
Low
$270
Typical
$5,029
High
$13,925
Low
$267
Typical
$5,004
High
$13,807
Low
$267
Typical
$4,988
High
$13,795
Low
$298
Typical
$5,557
High
$15,402
Low
$262
Typical
$4,875
High
$13,518
Low
$265
Typical
$4,967
High
$13,705
Low
$300
Typical
$5,603
High
$15,500
Low
$298
Typical
$5,557
High
$15,402
Low
$317
Typical
$5,932
High
$16,396
Low
$275
Typical
$5,138
High
$14,214
Low
$301
Typical
$5,620
High
$15,547
Low
$251
Typical
$4,686
High
$12,994
Low
$293
Typical
$5,464
High
$15,114
Low
$262
Typical
$4,893
High
$13,536
Low
$266
Typical
$4,989
High
$13,759
Low
$293
Typical
$5,458
High
$15,123
Low
$278
Typical
$5,202
High
$14,384
Low
$286
Typical
$5,339
High
$14,751
Low
$270
Typical
$5,032
High
$13,936
Low
$272
Typical
$5,074
High
$14,038
Low
$283
Typical
$5,297
High
$14,632
Low
$273
Typical
$5,098
High
$14,097
Low
$305
Typical
$5,695
High
$15,743
Low
$275
Typical
$5,129
High
$14,187
Low
$310
Typical
$5,813
High
$15,998
Low
$273
Typical
$5,100
High
$14,085
Low
$263
Typical
$4,910
High
$13,595
Low
$274
Typical
$5,105
High
$14,159
Low
$276
Typical
$5,145
High
$14,257
Low
$301
Typical
$5,617
High
$15,550
Low
$279
Typical
$5,213
High
$14,420
Low
$260
Typical
$4,857
High
$13,449
Low
$300
Typical
$5,592
High
$15,500
Low
$275
Typical
$5,137
High
$14,204
Low
$303
Typical
$5,671
High
$15,675
Low
$342
Typical
$6,384
High
$17,695
Low
$258
Typical
$4,799
High
$13,313
Low
$278
Typical
$5,188
High
$14,348
Low
$309
Typical
$5,769
High
$15,979
Low
$306
Typical
$5,731
High
$15,835
Low
$290
Typical
$5,409
High
$14,993
Low
$290
Typical
$5,417
High
$14,999
Low
$309
Typical
$5,769
High
$15,979
Low
$300
Typical
$5,597
High
$15,500
Low
$310
Typical
$5,785
High
$16,015
Low
$285
Typical
$5,324
High
$14,705
Low
$265
Typical
$4,948
High
$13,711
Low
$260
Typical
$4,863
High
$13,432
Low
$260
Typical
$4,856
High
$13,432
Low
$286
Typical
$5,354
High
$14,799
Low
$287
Typical
$5,354
High
$14,810
Low
$260
Typical
$4,859
High
$13,432
Low
$291
Typical
$5,425
High
$15,012
Low
$301
Typical
$5,618
High
$15,528
Low
$279
Typical
$5,219
High
$14,429
Low
$279
Typical
$5,194
High
$14,393
Low
$280
Typical
$5,220
High
$14,455
Low
$270
Typical
$5,030
High
$13,952
Low
$283
Typical
$5,283
High
$14,596
Low
$253
Typical
$4,726
High
$13,091
Low
$305
Typical
$5,700
High
$15,750
Low
$296
Typical
$5,529
High
$15,291
Low
$285
Typical
$5,318
High
$14,708
Low
$308
Typical
$5,775
High
$15,926
Low
$263
Typical
$4,897
High
$13,583
Low
$300
Typical
$5,608
High
$15,500
Low
$301
Typical
$5,615
High
$15,534
Low
$342
Typical
$6,384
High
$17,695
Low
$265
Typical
$4,950
High
$13,716
Low
$279
Typical
$5,194
High
$14,393
Low
$294
Typical
$5,487
High
$15,193
Low
$333
Typical
$6,223
High
$17,199
Low
$257
Typical
$4,791
High
$13,288
Low
$255
Typical
$4,762
High
$13,191
Low
$296
Typical
$5,520
High
$15,288
Low
$265
Typical
$4,940
High
$13,705
Low
$265
Typical
$4,943
High
$13,705
Low
$300
Typical
$5,595
High
$15,500
Low
$283
Typical
$5,282
High
$14,634
Low
$300
Typical
$5,618
High
$15,500
Low
$300
Typical
$5,604
High
$15,500
Low
$287
Typical
$5,363
High
$14,834
Low
$300
Typical
$5,603
High
$15,500
Low
$275
Typical
$5,127
High
$14,184
Low
$341
Typical
$6,371
High
$17,603
Low
$257
Typical
$4,783
High
$13,256
Low
$267
Typical
$4,976
High
$13,803
Low
$298
Typical
$5,563
High
$15,419
Low
$276
Typical
$5,151
High
$14,272
Low
$281
Typical
$5,253
High
$14,524
Low
$264
Typical
$4,930
High
$13,635
Low
$338
Typical
$6,321
High
$17,447
Low
$264
Typical
$4,918
High
$13,629
Low
$258
Typical
$4,816
High
$13,319
Low
$258
Typical
$4,799
High
$13,311
Low
$257
Typical
$4,804
High
$13,287
Low
$285
Typical
$5,315
High
$14,700
Low
$289
Typical
$5,415
High
$14,940
Low
$300
Typical
$5,600
High
$15,500
Low
$278
Typical
$5,186
High
$14,344
Low
$300
Typical
$5,617
High
$15,512
Low
$300
Typical
$5,602
High
$15,500
Low
$273
Typical
$5,100
High
$14,125
Low
$259
Typical
$4,835
High
$13,400
Low
$302
Typical
$5,652
High
$15,610
Low
$278
Typical
$5,178
High
$14,348
Low
$275
Typical
$5,145
High
$14,224
Low
$262
Typical
$4,880
High
$13,518
Low
$280
Typical
$5,236
High
$14,482
Low
$258
Typical
$4,804
High
$13,307
Low
$282
Typical
$5,269
High
$14,586
Low
$291
Typical
$5,432
High
$15,057
Low
$295
Typical
$5,507
High
$15,230
Low
$285
Typical
$5,323
High
$14,723
Low
$261
Typical
$4,867
High
$13,479
Low
$271
Typical
$5,049
High
$13,983
Low
$301
Typical
$5,615
High
$15,534
Low
$271
Typical
$5,053
High
$13,987
Low
$258
Typical
$4,806
High
$13,321
Low
$284
Typical
$5,311
High
$14,685
Low
$273
Typical
$5,100
High
$14,130
Low
$279
Typical
$5,204
High
$14,398
Low
$269
Typical
$5,025
High
$13,899
Low
$275
Typical
$5,131
High
$14,195
Low
$268
Typical
$4,993
High
$13,851
Low
$288
Typical
$5,371
High
$14,869
Low
$341
Typical
$6,371
High
$17,603
Low
$293
Typical
$5,475
High
$15,120
Low
$268
Typical
$5,008
High
$13,871
Low
$341
Typical
$6,371
High
$17,603
Low
$300
Typical
$5,596
High
$15,500
Low
$279
Typical
$5,214
High
$14,426
Low
$274
Typical
$5,111
High
$14,155
Low
$268
Typical
$5,008
High
$13,851
Low
$266
Typical
$4,955
High
$13,722
Low
$309
Typical
$5,776
High
$15,957
Low
$292
Typical
$5,454
High
$15,080
Low
$300
Typical
$5,606
High
$15,500
Low
$317
Typical
$5,926
High
$16,377
Low
$270
Typical
$5,049
High
$13,975
Low
$273
Typical
$5,111
High
$14,097
Low
$267
Typical
$4,980
High
$13,775
Low
$300
Typical
$5,610
High
$15,500
Low
$300
Typical
$5,624
High
$15,500
Low
$258
Typical
$4,807
High
$13,313
Low
$304
Typical
$5,687
High
$15,722
Low
$277
Typical
$5,156
High
$14,288
Low
$310
Typical
$5,785
High
$16,015
Low
$342
Typical
$6,384
High
$17,695
Low
$300
Typical
$5,604
High
$15,500
Low
$287
Typical
$5,360
High
$14,846
Low
$291
Typical
$5,435
High
$15,026
Low
$314
Typical
$5,891
High
$16,247
Low
$300
Typical
$5,620
High
$15,500
Low
$300
Typical
$5,588
High
$15,500
Low
$289
Typical
$5,402
High
$14,948
Low
$300
Typical
$5,604
High
$15,500
Low
$264
Typical
$4,925
High
$13,656
Low
$312
Typical
$5,841
High
$16,137
Low
$251
Typical
$4,678
High
$12,958
Low
$300
Typical
$5,602
High
$15,500
Low
$269
Typical
$5,014
High
$13,900
Low
$280
Typical
$5,213
High
$14,465
Low
$317
Typical
$5,928
High
$16,370
Low
$264
Typical
$4,940
High
$13,663
Low
$289
Typical
$5,388
High
$14,933
Low
$278
Typical
$5,185
High
$14,341
Low
$281
Typical
$5,242
High
$14,514
Low
$338
Typical
$6,314
High
$17,445
Low
$310
Typical
$5,771
High
$15,996
Low
$317
Typical
$5,926
High
$16,377
Low
$289
Typical
$5,388
High
$14,933
Low
$300
Typical
$5,603
High
$15,500
Low
$300
Typical
$5,603
High
$15,500
Low
$270
Typical
$5,031
High
$13,941
Low
$300
Typical
$5,609
High
$15,500
Low
$314
Typical
$5,877
High
$16,207
Low
$300
Typical
$5,616
High
$15,500
Low
$301
Typical
$5,645
High
$15,568
Low
$300
Typical
$5,597
High
$15,500
Low
$278
Typical
$5,182
High
$14,353
Low
$338
Typical
$6,317
High
$17,447
Low
$300
Typical
$5,612
High
$15,500
Low
$338
Typical
$6,321
High
$17,447
Low
$305
Typical
$5,707
High
$15,774
Low
$294
Typical
$5,489
High
$15,181
Low
$300
Typical
$5,594
High
$15,500
Low
$300
Typical
$5,612
High
$15,500
Low
$301
Typical
$5,645
High
$15,568
Low
$347
Typical
$6,486
High
$17,920
Low
$286
Typical
$5,325
High
$14,761
Low
$304
Typical
$5,698
High
$15,728
Low
$282
Typical
$5,255
High
$14,555
Low
$301
Typical
$5,619
High
$15,554
Low
$300
Typical
$5,604
High
$15,500
Low
$300
Typical
$5,592
High
$15,500
Low
$271
Typical
$5,056
High
$14,014
Low
$311
Typical
$5,819
High
$16,069
Low
$276
Typical
$5,150
High
$14,246
Low
$300
Typical
$5,607
High
$15,500
Low
$304
Typical
$5,671
High
$15,720
Low
$279
Typical
$5,210
High
$14,404
Low
$266
Typical
$4,964
High
$13,735
Low
$332
Typical
$6,201
High
$17,132
Low
$300
Typical
$5,592
High
$15,500
Low
$292
Typical
$5,441
High
$15,082
Low
$261
Typical
$4,864
High
$13,496
Low
$300
Typical
$5,605
High
$15,500
Low
$293
Typical
$5,465
High
$15,147
Low
$274
Typical
$5,125
High
$14,141
Low
$308
Typical
$5,748
High
$15,895
Low
$310
Typical
$5,785
High
$16,015
Low
$241
Typical
$4,489
High
$12,451
Low
$284
Typical
$5,306
High
$14,674
Low
$285
Typical
$5,349
High
$14,742
Low
$309
Typical
$5,769
High
$15,979
Low
$267
Typical
$4,974
High
$13,781
Low
$301
Typical
$5,605
High
$15,536
Low
$306
Typical
$5,710
High
$15,788
Low
$316
Typical
$5,911
High
$16,340
Low
$305
Typical
$5,707
High
$15,774
Low
$295
Typical
$5,500
High
$15,226
Low
$275
Typical
$5,146
High
$14,223
Low
$288
Typical
$5,380
High
$14,874
Low
$294
Typical
$5,491
High
$15,215
Low
$267
Typical
$4,996
High
$13,820
Low
$291
Typical
$5,440
High
$15,044
Low
$302
Typical
$5,648
High
$15,605
Low
$303
Typical
$5,659
High
$15,657
Low
$300
Typical
$5,608
High
$15,500
Low
$294
Typical
$5,484
High
$15,168
Low
$319
Typical
$5,971
High
$16,498
Low
$281
Typical
$5,247
High
$14,511
Low
$291
Typical
$5,445
High
$15,040
Low
$272
Typical
$5,104
High
$14,077
Low
$276
Typical
$5,177
High
$14,283
Low
$264
Typical
$4,923
High
$13,642
Low
$320
Typical
$5,984
High
$16,534
Low
$273
Typical
$5,093
High
$14,088
Low
$314
Typical
$5,891
High
$16,247
Low
$311
Typical
$5,812
High
$16,066
Low
$327
Typical
$6,117
High
$16,901
Low
$287
Typical
$5,364
High
$14,821
Low
$303
Typical
$5,648
High
$15,635
Low
$277
Typical
$5,174
High
$14,330
Low
$284
Typical
$5,301
High
$14,682
Low
$319
Typical
$5,971
High
$16,498
Low
$336
Typical
$6,277
High
$17,343
Low
$347
Typical
$6,486
High
$17,920
Low
$331
Typical
$6,195
High
$17,115
Low
$326
Typical
$6,093
High
$16,833
Low
$341
Typical
$6,371
High
$17,603
Low
$326
Typical
$6,104
High
$16,864
Low
$330
Typical
$6,165
High
$17,035
Low
$296
Typical
$5,529
High
$15,309
Low
$323
Typical
$6,047
High
$16,706
Low
$286
Typical
$5,329
High
$14,758
Low
$281
Typical
$5,244
High
$14,502
Low
$333
Typical
$6,238
High
$17,225
Low
$282
Typical
$5,270
High
$14,572
Low
$281
Typical
$5,248
High
$14,534
Low
$254
Typical
$4,743
High
$13,139
Low
$268
Typical
$4,997
High
$13,832
Low
$259
Typical
$4,844
High
$13,400
Low
$259
Typical
$4,844
High
$13,400
Low
$279
Typical
$5,204
High
$14,393
Low
$300
Typical
$5,598
High
$15,500
Low
$300
Typical
$5,603
High
$15,500
Low
$303
Typical
$5,659
High
$15,657
Low
$273
Typical
$5,097
High
$14,113
Low
$301
Typical
$5,633
High
$15,554
Low
$266
Typical
$4,964
High
$13,730
Low
$278
Typical
$5,210
High
$14,375
Low
$271
Typical
$5,071
High
$14,024
Low
$288
Typical
$5,403
High
$14,889
Low
$263
Typical
$4,925
High
$13,583
Low
$292
Typical
$5,449
High
$15,085
Low
$259
Typical
$4,841
High
$13,389
Low
$285
Typical
$5,329
High
$14,739
Low
$290
Typical
$5,423
High
$14,998
Low
$273
Typical
$5,107
High
$14,125
Low
$315
Typical
$5,896
High
$16,289
Low
$264
Typical
$4,927
High
$13,643
Low
$287
Typical
$5,373
High
$14,840
Low
$333
Typical
$6,238
High
$17,225
Low
$282
Typical
$5,252
High
$14,558
Low
$303
Typical
$5,642
High
$15,638
Low
$300
Typical
$5,593
High
$15,500
Low
$263
Typical
$4,920
High
$13,609
Low
$252
Typical
$4,701
High
$13,022
Low
$300
Typical
$5,596
High
$15,500
Low
$274
Typical
$5,125
High
$14,175
Low
$266
Typical
$4,974
High
$13,767
Low
$310
Typical
$5,794
High
$15,993
Low
$291
Typical
$5,426
High
$15,020
Low
$268
Typical
$4,989
High
$13,828
Low
$263
Typical
$4,904
High
$13,597
Low
$276
Typical
$5,158
High
$14,285
Low
$300
Typical
$5,599
High
$15,500
Low
$278
Typical
$5,201
High
$14,365
Low
$325
Typical
$6,086
High
$16,814
Low
$300
Typical
$5,604
High
$15,500
Low
$288
Typical
$5,389
High
$14,875
Low
$300
Typical
$5,604
High
$15,500
Low
$294
Typical
$5,489
High
$15,181
Low
$299
Typical
$5,601
High
$15,474
Low
$278
Typical
$5,179
High
$14,345
Low
$305
Typical
$5,707
High
$15,774
Low
$300
Typical
$5,613
High
$15,500
Low
$321
Typical
$6,006
High
$16,563
Low
$261
Typical
$4,878
High
$13,494
Low
$263
Typical
$4,921
High
$13,592
Low
$278
Typical
$5,194
High
$14,361
Low
$312
Typical
$5,830
High
$16,098
Low
$300
Typical
$5,586
High
$15,500
Low
$265
Typical
$4,934
High
$13,690
Low
$267
Typical
$4,981
High
$13,787
Low
$269
Typical
$5,009
High
$13,874
Low
$277
Typical
$5,176
High
$14,314
Low
$289
Typical
$5,393
High
$14,945
Low
$308
Typical
$5,746
High
$15,895
Low
$289
Typical
$5,405
High
$14,950
Low
$276
Typical
$5,148
High
$14,266
Low
$300
Typical
$5,606
High
$15,500
Low
$308
Typical
$5,766
High
$15,891
Low
$300
Typical
$5,592
High
$15,500
Low
$287
Typical
$5,363
High
$14,810
Low
$288
Typical
$5,381
High
$14,880
Low
$262
Typical
$4,897
High
$13,545
Low
$313
Typical
$5,847
High
$16,156
Low
$278
Typical
$5,191
High
$14,370