Ask about their cleaning techniques: hot water extraction for carpets

https://telegra.ph/What-to-Look-For-in-St-George-Carpet-Cleaning-Services-A-Homeowners-GuideWhat-services-does-Fresh-n-Dri-Carpet--Tile-Cleaning-of-06-01

Inquire about their cleaning approaches: warm water extraction for carpets and correct grout-safe methods for tile to avoid damage and residue.