Compare 1 hvac and air conditioning in National City by Google rating, services and opening hours.
From the businesses' Google listings, checked 27 October 2026. How we work these out
Sorted by rating, then number of reviews. Nobody pays to be placed higher.
Heating and air conditioning contractors in California hold a C-20 Warm-Air Heating, Ventilating and Air-Conditioning licence from the Contractors State License Board. Check the licence on the CSLB website before you hire.
Source: CSLB: C-20 classification, checked 27 Oct 2026
The Contractors State License Board says a contractor can't ask for or accept a down payment of more than $1,000 or 10% of the contract price, whichever is less.
Source: CSLB: contract payment rules, checked 27 Oct 2026
No more than $1,000 or 10% of the contract price, whichever is less, according to the Contractors State License Board.
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