San Marino itself lists 4 contractors — too few to price locally on its own — but 85 operate within a real 45-mile radius, including those serving Pasadena, San Gabriel, Alhambra. The ranges below are the same national 2026 figures used sitewide; ask any contractor for a written, itemized quote and compare it against them.

JobTypical cost

Diagnostic / service call$75 – $200

Capacitor replacement$100 – $250

Refrigerant recharge$200 – $600

Compressor replacement$1,300 – $2,800

Central air conditioner$3,900 – $7,900

Full HVAC (furnace + AC)$5,000 – $12,500

Sources: AC repair cost guide · HVAC replacement cost guide

San Marino FAQ

Hiring an HVAC contractor in San Marino

Answers built from San Marino's own listing data.

How do I check a San Marino HVAC contractor's license?

Ask for the license number and search it on the CSLB lookup (official site). 4 of the 4 listings here already match a license on the register; each of those profiles links straight to the lookup.

HVAC contractors near San Marino

All California cities

Pasadena47 contractors · 45 licensed · 2 mi San Gabriel15 contractors · 15 licensed · 2 mi Alhambra19 contractors · 19 licensed · 3 mi Temple City17 contractors · 16 licensed · 3 mi South Pasadena3 contractors · 3 licensed · 3 mi Arcadia24 contractors · 23 licensed · 4 mi Rosemead22 contractors · 22 licensed · 4 mi Altadena9 contractors · 9 licensed · 5 mi Monterey Park13 contractors · 13 licensed · 5 mi El Monte31 contractors · 31 licensed · 6 mi