A-1 American Plumbing, Heating, & Air Conditioning

★ ★ ★ ★ ★ 5.0 (2)

Castro Valley, CA

Heating and Cooling • Plumbing

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Emergency Service After Hours Available, A/C Repair, Replacement Or Servicing, Air Filteration Systems, Furnace Repairs, Replacement Or Servicing, Wall Or Floor Furnace Repair, Replacement Or Servicing, Radiant Heating, Thermostats, Tankless Water Heaters Repairs, Replacement Or Servicing, Water Heaters Tank Or Electric, Repair, Replacement, Or Servicing, Gas Dryer Hook-Ups, Faucets, Hot Water Dispensers, Toilets, Pumps, Pressure Regulators, Secondary Drain Cleaning, Garbage Disposals And More.


David G.
★ ★ ★ ★ ★ 5.0

I want to thank you for helping the homeless in our community and for the opportunity to be of service to your client. She told me excellent things about you and the quality work you have done for her for many years. “Homeless & Elderly” You must be a Christian businessman whom I hope to know personally one day! David Gehrke KMC Cleaners

★ ★ ★ ★ ★ 5.0

I have been using A-1 American Plumbing Heating & Hvac for many many years, and my Father used them before that. The owner David, is a soft spoken, really really decent soul. No matter what the heating or plumbing problem, he has always promptly responded, provided his work with pride and professionalism, and leaves his work site clean, the way he found it. You won't be sorry you use them.

Services Offered

Heating and Cooling
  • Central A/C Install
  • Central A/C Repair
  • Central Humidifier Install
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  • Water Heater Repair
  • Shower/Tub
  • Sewer Main Replace
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