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HVAC & plumbing contractors in Diamond Bar, CA

Browse 9 verified HVAC, plumbing & air-duct contractors serving Diamond Bar, California. Every listing shows a real local phone number — compare pros and call directly. Need emergency service? Look for 24/7 availability and call the nearest company.

HVAC✔ Listed

Airtong Heating & Cooling

20739 Lycoming St

📞 (626) 780-3666 Website ↗ Is this you? Claim →

HVAC✔ Listed

Budget Air Conditioning & Heating

1249 S Diamond Bar Blvd

📞 (626) 915-6661 Website ↗ Is this you? Claim →

HVAC✔ Listed

Honest Pro Air Conditioning & Heating - HVAC

324 S Diamond Bar Blvd Ste 259

📞 (909) 990-7996 Website ↗ Is this you? Claim →

HVAC✔ Listed

Mike's Heat & Air Conditioning

22839 Dry Creek Rd

📞 (909) 396-4489 Website ↗ Is this you? Claim →

HVAC✔ Listed

Service Wizards

516 N Diamond Bar Blvd

📞 (909) 614-4045 Website ↗ Is this you? Claim →

HVAC✔ Listed

Liujin Air HVAC

24268 Highcrest Dr

📞 (626) 372-9372 Is this you? Claim →

Plumbing✔ Listed

Roto-Rooter Plumbing & Water Cleanup

1200 S Diamond Bar Blvd Unit 206

📞 (909) 634-3955 Website ↗ Is this you? Claim →

Plumbing✔ Listed

Rooter Shooter Jetting

516 N Diamond Bar Blvd

📞 (626) 708-0833 Website ↗ Is this you? Claim →

Air Duct Cleaning✔ Listed

Diamond Bar Carpet And Air Duct cleaning

1304 Holly Leaf Way

📞 (909) 766-2984 Website ↗ Is this you? Claim →

⚠️ Listings are compiled from public business records and may change. Always confirm licensing, insurance, and current pricing directly with the contractor before hiring.

Nearby cities

Walnut Pomona Rowland Heights Chino Hills San Dimas La Verne Covina City of Industry