Deep cleaning and routine cleaning solve different problems, and confusing the two leads many households to either overpay or undermaintain their home. A weekly or biweekly service handles surface-level upkeep — floors, kitchens, bathrooms — while a quarterly deep clean targets buildup that routine visits miss, like behind appliances, inside vents, and grout lines. Households with pets, young children, or allergy sufferers generally benefit from more frequent visits, since dust and dander accumulate faster than in a typical home. When comparing providers, ask what products they use, particularly if anyone in the home has chemical sensitivities, and whether they bring their own equipment or expect access to yours. A trustworthy cleaning service will also offer a walkthrough after the first visit to confirm expectations were met, not just a rushed handoff of keys. Verified cleaning pros on VP Life list their product policies and staff vetting upfront.