Intermountain West Insulation

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About Intermountain West Insulation
Intermountain West Insulation operates from Yakima, Washington, serving residential and light commercial clients throughout the Yakima Valley and surrounding communities. With 19 verified customer reviews contributing to a 4.1-star average rating, the contractor has established a local presence delivering insulation solutions including crawl space encapsulation, attic insulation, and HVAC ductwork services. The company maintains standard weekday operating hours from 8 AM to 4 PM, offering estimates and scheduled installations to homeowners across the region.
What distinguishes this contractor from other regional insulation providers is their comprehensive approach to whole-home thermal performance. Multiple reviewers mention combined services, insulation work paired with HVAC duct installation and ground cover improvements, allowing homeowners to address multiple energy efficiency concerns in a single project. The company employs technicians who handle both residential attic installations and crawl space encapsulation, providing continuity of service for customers seeking full envelope insulation solutions.
Customer experiences reveal specific technician interactions worth noting. Reviewers identified Brandon as an installer who completed a garage door and opener project with attention to detail, while Sal earned praise for professional crawl space work completed on time with pleasant demeanor. However, two separate reviews document significant service failures: a missed 9:30 AM appointment that arrived 70 minutes late, and another no-show for an 8 AM installation where the crew failed to appear until after 1:30 PM. These contrasting experiences suggest that while skilled technicians exist within the company, scheduling reliability remains inconsistent.
What Customers Say
Of 19 reviews, 3 award 5 stars citing on-time arrival, professional demeanor, and quality workmanship. Two 1-star reviews specifically describe no-show incidents and failure to deliver promised quotes, one reviewer waited until 10:40 AM for an appointment that had been scheduled for 9:30 AM. The rating average of 4.1 stars reflects this divide between reliable service and significant scheduling lapses.
Working Hours
| SundayToday | Closed |
| Monday | 8 AM–4 PM |
| Tuesday | 8 AM–4 PM |
| Wednesday | 8 AM–4 PM |
| Thursday | 8 AM–4 PM |
| Friday | 8 AM–4 PM |
| Saturday | Closed |
Services
Crawl Space Insulation & Encapsulation
Installation of insulation along foundation walls plus vapor barrier ground cover to prevent moisture intrusion and improve energy efficiency.
Attic Insulation
Blower-door testing and fiberg insulation installation to meet Washington state energy code requirements for existing homes.
HVAC Ductwork Insulation
Sealing and insulating duct runs in basements, crawl spaces, and attics to reduce energy loss from conditioned air.
Garage Door & Opener Installation
Full garage door replacement including opener installation, hardware alignment, and weather sealing.
Residential Insulation Removal & Replacement
Removal of old, damaged insulation and installation of modern high-efficiency insulation materials.
Whole-Home Energy Audits
Assessment of insulation levels throughout the envelope to identify heat loss pathways and recommend improvements.