Frequently Asked Questions

Q: What areas do you serve?

A: We proudly serve Phoenix, Chandler, and surrounding communities throughout the Valley. If you’re nearby, chances are we’ve worked in your neighborhood!

Q: What types of insulation do you install?

A: We install a wide range of insulation types, including spray foam, fiberglass, cellulose, radiant barrier, rigid foam, Rockwool, denim, and vinyl—each suited for different needs and budgets.

Q: Do you work with both homeowners and builders?

A: Yes! We partner with homeowners on retrofits and upgrades and work directly with builders and contractors on new construction and commercial projects.

Q: How do I know if I need more insulation?

A: If your energy bills are rising, rooms feel drafty, or your HVAC system is working overtime, it may be time for an insulation upgrade. We offer energy audits to help pinpoint problem areas.

Q: Can you remove old insulation?

A: Absolutely. We safely remove outdated or damaged insulation to prepare your space for cleaner, more efficient materials.

Q: What’s the difference between spray foam and fiberglass insulation?

A: Spray foam creates an airtight seal and offers superior energy efficiency, while fiberglass is a cost-effective, reliable option for many homes and buildings. We’ll help you choose the best fit.

Q: Do you offer commercial insulation services?

A: Yes! We specialize in commercial insulation for new builds, retrofits, and metal buildings. We work closely with project managers to ensure jobs are completed on time and on budget.

Q: What other services do you offer?

A: In addition to insulation, we provide energy audits, duct repair, soundproofing, and window treatments like blinds and plantation shutters.

Q: Are you licensed and insured?

A: Yes, Marshall Insulation is fully licensed and insured in Arizona. We’re also part of the Installed Building Products (IBP) family, giving you peace of mind and national support.