The implied warranty of habitability is a legal principle that a rented home must be fit to live in. It generally covers the basics of safe housing — working heat, running water, sound plumbing and electrical, structural safety, and freedom from serious hazards like pests or mold. In most places this warranty is read into residential leases automatically and can’t be waived by the tenant.
If a landlord doesn’t make required repairs after being notified, tenants may have remedies — depending on the jurisdiction, things like repair-and-deduct, rent withholding, or ending the lease. Responding promptly to habitability complaints is both a legal duty and the cheaper path, since neglected problems tend to escalate. Exactly which conditions are covered, what notice is required, and which remedies apply vary widely. Rules vary by jurisdiction and change over time — check your local law, and treat this as general education, not legal advice.
This is general educational information, not legal or tax advice. Rules vary by state and locality and change over time — check your local law and confirm specifics with a qualified professional.