Quick answer
For most vented attics, air sealing plus blown fiberglass or cellulose is the practical place to start. Spray foam tends to earn its higher cost on rim joists, shallow vaulted ceilings and shops. If you see pebbly gray-brown vermiculite in the attic, leave it alone and have it tested before anyone works there.
Companies to compare:Alpha 9 Construction, Energy Conservation Insulation (ECI), Gale Contractor Services (TruTeam), GreenSavers, HomeRx by Performance Insulation, Mountain Air Restoration, NorthWest AeroBarrier.
Bend insulation contractors to compare
These companies install insulation or fix the conditions around it in Central Oregon. They are listed alphabetically. For testing or removing possible asbestos, Cascade Insulation in Bend now works as an asbestos abatement firm despite its name.
Company details were reviewed in October and November 2026. License numbers are shown as the company publishes them or as they appeared in state records at that time. Services, staff and license status change, so confirm what matters directly and in writing.
Alpha 9 Construction
Based in: Redmond
License: CCB 226416
Phone: 541-699-3144
Services advertised: Blown fiberglass, batts, BIBS, Rockwool, spray foam, and drywall hanging and finishing
Potential fit: Remodels, garages and shops where one crew can do both the insulation and the drywall.
Ask about: Whether it’s taking Bend retrofit work, and how it prices removal of old insulation.
Energy Conservation Insulation (ECI)
Based in: Bend (20545 Builders St)
License: CCB 240753
Phone: 541-678-5566
Services advertised: Batt, blown-in, BIBS, dense-pack cellulose, rock wool, spray foam, attic removal and AeroBarrier
Potential fit: Projects where you want to compare several materials from one Bend-based installer.
Ask about: Which material it recommends for your specific assembly, and why, plus the air-sealing steps included.
Gale Contractor Services (TruTeam)
Based in: Bend (202 SE 9th St)
License: CCB 113362 (Builder Services Group Inc)
Phone: 541-389-4780
Services advertised: Fiberglass batt and blown insulation, spray foam and air sealing
Potential fit: Builders, additions and larger projects, though it also serves homeowners.
Ask about: Minimum job size, how it schedules retrofits and whether air sealing is itemized.
GreenSavers
Based in: Bend (4 NW Franklin Ave) and Portland
License: CCB 190255
Phone: 541-330-8767
Services advertised: Energy audits with blower door and infrared testing, air sealing, attic, wall and floor insulation, and heat pumps
Potential fit: A drafty home where you want testing first, so the work targets the real leaks.
Ask about: The audit fee, whether it’s credited toward the work and how it verifies results after the install.
HomeRx by Performance Insulation
Based in: Redmond; regional Oregon company
License: CCB 199448
Phone: 541-639-3600
Services advertised: Spray foam, blown-in, batts, hand air sealing, AeroBarrier and energy services
Potential fit: Homeowners who want a free assessment from a regional company with a Redmond office.
Ask about: What the free assessment measures, and whether any blower door testing is included.
Mountain Air Restoration
Based in: Bend (715 SE Business Way)
License: CCB 196057
Phone: 541-725-0001
Services advertised: Crawl space vapor barriers and encapsulation, fallen insulation replacement, attic ventilation and mold cleanup
Potential fit: Crawl spaces with fallen batts, torn vapor barrier, wet soil or mold, where the conditions must be fixed before insulating.
Ask about: What caused the problem, and how it will confirm that the moisture source has been addressed.
NorthWest AeroBarrier
Based in: Bend (20810 Sockeye Pl)
License: CCB 219904
Phone: 541-728-3634
Services advertised: AeroBarrier air sealing with a live blower door readout
Potential fit: New builds and gut remodels aiming for a specific airtightness number.
Ask about: Whether your project is at the right stage, since the home must be prepared and sealed areas protected.
How much insulation a Bend home needs
Bend is in climate zone 5. These targets give you something to compare a quote against:
- Attic with no insulation: ENERGY STAR recommends R-60 in zone 5.
- Attic with 3 to 4 inches: ENERGY STAR suggests adding about R-49.
- New-home flat ceilings: Oregon’s residential code requires R-49.
- Floors over vented crawl spaces: R-30 with the insulation touching the subfloor is a common target, and the ground should have a vapor barrier.
Seal the air leaks first, because they’re much harder to reach once new insulation is in the way. Ask the installer to check bath fan ducts, recessed lights and attic hatches, and to keep soffit vents clear.
Bend problems insulation can help solve
- Ice dams: warm air leaking into the attic melts roof snow, which refreezes at the cold eaves. Department of Energy guidance puts an airtight ceiling first, then insulation, then ventilation. Heat cable only treats the symptom. See our roofer guide if the roof has already been damaged.
- Wildfire smoke: outdoor air enters through gaps and cracks, so air sealing helps. Once a house is tight, ask about fresh-air ventilation.
- Rodents in the crawl space: mice and voles love fallen batts. Pair new insulation with sealed entry points. Our pest control guide covers exclusion.
- Old insulation: you can usually add on top unless it’s wet, moldy, soiled by rodents or crushed.
Incentives in 2026
Energy Trust of Oregon’s amounts when we reviewed them in late October 2026, for owner-occupied single-family homes mainly heated by Pacific Power electricity or Cascade Natural Gas:
- Attic: $1.25 per square foot, when the existing level is R-18 or less and you insulate to at least R-38
- Floor: $0.75 per square foot
- Wall: $1.50 per square foot
You must apply within 60 days of installation. Homes mainly heated by Central Electric or Midstate Electric should check with their co-op instead. Income-limited households can also look at NeighborImpact’s weatherization program. The federal insulation tax credit ended for work placed in service after 2025.
Selling soon? Check your Home Energy Score
Inside Bend city limits, many homes must show a Home Energy Score from a state-licensed assessor when they’re listed for sale, with some exemptions. Attic and air-sealing improvements can affect that score. If you’re planning to list, talk to an assessor about timing, and see our guide to seller disclosures.
How to get comparable quotes
Compare insulation quotes on the installed result, not just the total price. Ask each company to state:
- Existing R-value and final R-value, by area
- Material type and depth or thickness
- Square footage, by area
- Specific air-sealing work, listed location by location
- Soffit baffles, attic hatch and duct work
- Removal and disposal of old material
- Whether blower door testing is included
- Energy Trust paperwork and who files it
- Any permit requirement, confirmed with the city
Our contractor bid comparison checklist gives you a simple way to line those details up side by side.
Red flags
- A quote listing only a material, with no final R-value
- No air sealing discussed
- Insulating over wet or moldy material
- Spray foam pitched as the only option for a simple vented attic
- Vermiculite ignored
- Insulation that would block soffit vents
- A claim that a federal tax credit still applies in 2026
Common questions
How much attic insulation do I need in Bend?
ENERGY STAR recommends R-60 for an uninsulated attic in zone 5, or adding about R-49 if you already have 3 to 4 inches. Oregon’s residential code requires R-49 for flat ceilings in new homes.
Does Energy Trust pay for insulation in Bend?
If your home is mainly heated by Pacific Power electricity or Cascade Natural Gas, likely yes. In late 2026 it listed $1.25 per square foot for attics, $0.75 for floors and $1.50 for walls, with eligibility rules. Confirm current terms.
Is there still a federal tax credit for insulation?
No. The credit ended for improvements placed in service after December 31, 2025, so a 2026 project does not qualify.
Spray foam or blown-in for a Bend attic?
For an ordinary vented attic, air sealing plus blown fiberglass or cellulose usually costs far less for the R-value. Spray foam is more often justified on rim joists, shallow vaulted ceilings, crawl space walls and shops.
What should I do if I find vermiculite?
Don’t disturb it. EPA advises treating it as possibly containing asbestos until it is tested by an accredited professional, and using a qualified contractor if it needs to come out.
Official sources & further research
For rules, licensing and local programs, use the current primary source before making a decision.