
What Size AC Unit Do I Need?
Find the right AC size for your home with our BTU and tonnage guide. Learn when a professional load calculation is needed from CPI Service in San Jose.
Guides and tips about air conditioner from the CPI Service team.

Find the right AC size for your home with our BTU and tonnage guide. Learn when a professional load calculation is needed from CPI Service in San Jose.

Save on AC in San Jose: smarter thermostat settings, maintenance, sealing leaks and ducts, avoiding PG&E peak hours, and upgrades. Tips from CPI Service.

Most air conditioners last 10 to 20 years, depending on type, use and care. Lifespans, warning signs and when to replace, from CPI Service in San Jose.

AC short cycling is when your air conditioner turns on and off every few minutes. Signs, causes, safe fixes, and when to call CPI Service in San Jose.

An AC that keeps tripping the breaker is drawing too much current: a dirty filter or coil, a weak capacitor, a failing compressor or bad wiring. CPI, San Jose.

Water around the indoor unit, a musty smell or an AC that keeps shutting off can mean a clogged drain line. How to clear it safely, from CPI Service, San Jose.

An evaporator coil can leak refrigerant or water (clogged drain, rusted pan, frozen coil). How to tell which and what to do, from CPI Service in San Jose.

Slow starts, humming, a fan that won't spin: 7 signs your AC capacitor has gone bad, what causes it, and why it's a job for a pro. CPI Service, San Jose.

An AC freezes up when its indoor coil gets too cold, usually from poor airflow or low refrigerant. How to thaw it safely and prevent it, from CPI in San Jose.

AC running but not cooling? Usual causes: a dirty filter, thermostat settings, a blocked outdoor unit or low refrigerant. What to check first, CPI San Jose.

AC leaking water? Most leaks come from a clogged drain, a rusted pan, a frozen coil or a failed pump. 15 causes and what to do first, from CPI in San Jose.

AC fan motor replacement in San Jose typically costs $300 to $800 for a standard motor and $500 to $1,600+ for variable-speed. What drives the price, from CPI.