Built with Integrity & Maintained with Quality
Founded on hard work, honesty and dependability by Glenn & Grant Farmer (G&G) in 1951, G&G Insulation has remained a respected name in Idaho insulation for several decades. Now owned and operated by Brandon and Whitney Gallegos, G&G continues to deliver high-quality products and services to the Greater Treasure Valley and Magic Valley regions. They strive to carry on the solid reputation of the G&G name through excellent workmanship on every single project.
G&G is a local insulation contractor with two convenient locations in Meridian, Idaho and Twin Falls, Idaho. We serve new construction and retrofit insulation projects in the Treasure Valley and Magic Valley regions.
Proudly Serving the Twin Falls Insulation Market
G&G Insulation’s Twin Falls branch covers the insulation needs of Southern Idaho. We work with both homeowners and builders to provide comprehensive energy-saving solutions. We are in the business of making residential, commercial and agricultural structures quiet, comfortable and energy smart.


Contact us today for a consultation.
Our Service Spectrum
- Commercial & Residential
- Single Family & Multi-Family
- New Construction, Retrofit &
- Remodels
- Insulation, Air Sealing, Radiant Barrier & Firestopping
Our Service Assurance
- Six decades of experience
- Professional, well-trained installers
- Owens Corning Certified Energy Expertise
- BPI Training & Certification
- RESNET Training
- HERS Certification
Our Customer's Words
I have told people about what you did all these years and how it helped me with heating bills at a time I really needed help.
THANK YOU, THANK YOU.
– Cindy G