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Heating & cooling in Lancaster

Compare 64 active heating & cooling with a registered address in Lancaster (Los Angeles County, California). Records are sourced directly from the California Contractors State License Board (CA CSLB) under California Business and Professions Code Division 3, Chapter 9 (Contractors License Law: Class A, Class B General Building, and Class C Specialty Classifications with $25,000 Bond Requirement); confirm municipal permit requirements with Lancaster before starting work. A credential from another jurisdiction does not establish authorization to work here.

Illustration for Heating & cooling
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Local guidance checked October 29, 2026 · CA CSLB Official License Verification. Confirm the requirements for your project with the city.

64 heating & cooling records · Lancaster

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Public Directory Quality: Public source records in Lancaster · Zero sponsored order · Never sold as a lead · How our data works →

Heating & cooling directory

64 matching records · 14 on this page · Contactable records first, then alphabetical within groups. Coverage is the matched city/category scope.

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Hours, insurance, reviews and service coverage are not established by a license-file entry.

Show registered-address map (14 records on this page)

Shaded areas mark approximate postal or city locations, not premises or service areas. Circle sizes are illustrative, not postal boundaries. Some records share the same area. Private addresses are excluded.

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All Heart Heating Cooling And Plumbing

Official license file Contactable Heating & cooling · Contractors State License Board · Specialty scope: Plumbing & Heating · Additional recorded trades: Plumbing

Registered address: 42215 12TH STREET, Lancaster, CA 93534

918467 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

+1 more registration for this business
  • 918467 · 42215 12TH STREET, Lancaster, CA 93534
Call (661) 310-3747
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Airconn Heating & Air Inc

Official license file From the official license file Heating & cooling · Contractors State License Board

Registered address: 6725 WEST AVENUE H-12, Lancaster, CA 93536

996193 · Source dated 2026-10-18 · Service area not confirmed. · Verify on California portal →

No public phone or website on record.
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Before the first call

  • Describe the job and ask whether it is within their scope and service area.
  • Check the credential with its issuing authority and ask what applies where the work will happen.
  • Ask about insurance, availability, who will do the work, and a written scope.
  • Ask about callout fees, labor or fixed rates, materials, cancellation and any estimate charge.
Prepare a project brief

Verification Overview & Key Takeaways: How to Check Official Credentials

HomeCrafto displays source records with different scopes, including licenses, registrations, municipal permits and community records. A source entry is not proof of qualification for your job. Before signing a work order or paying a deposit, homeowners should confirm that the contractor’s credential number is active, verify that the license classification covers the specific trade scope required for the job, and request a current Certificate of Insurance (COI) directly from the issuing insurance carrier. Independent verification protects your property and ensures compliance with local building codes.

How do you verify a contractor license number and insurance on official portals (FAQ)?

You can verify active license standing and consumer protection rules directly through official government portals, including Washington L&I Contractor Verify, the California Contractors State License Board (CSLB), the Connecticut eLicense Portal, USA.gov State Consumer Protection Offices, and FTC Home Improvement Consumer Guidance. Always confirm municipal permit requirements with your local building department before work begins.

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Los Angeles County, California Trade Directory

Compare heating & cooling across Los Angeles County or view the California State Hub (CA CSLB).

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