CALL 626.357.3535
Service and Maintenance
Air-Tro Technician Featured on ABC Eyewitness News: Why Dogs Should Stay Away from Your AC Unit
Air-Tro tech Esteban Nuñez explains on ABC7 how dog urine corrodes outdoor AC condensers and causes refrigerant leaks. Learn prevention tips.
Can I Install HVAC Myself or Do I Need a Licensed Pro in Monrovia?
Why a whole-home AC in Monrovia needs a licensed installer for permits, refrigerant recovery, and warranty. Call (626) 357-3535.
Peak Demand Strategies to Reduce Commercial HVAC Costs
Southern California’s time of use energy periods mean that energy efficient commercial HVAC has never been more important. Call Air-Tro today to find out more. (626) 357-3535.
AC Repair or Replace? There Is a Third Option.
Homeowners are often told there are only two choices when an air conditioning system starts aging: repair it or replace…
Furnace Repair Guide for Pasadena: Signs, Solutions & Tips
Facing furnace issues in Pasadena? Learn common signs like strange noises or uneven heating, causes, DIY solutions, and when to call pros.
HVAC Fins Repair Pasadena | Straighten Bent Evaporator Coils
HVAC Fins Repair in Pasadena: Straighten Bent Evaporator Coils with Air-Tro When those delicate aluminum fins on your air conditioner…
Thanksgiving is #1 for Food, Family…and Carbon Monoxide
Thanksgiving day is the #1 day for incidents of carbon monoxide poisoning. So be sure to check the expiration date on your carbon monoxide detector NOW! If it's five years old or older, toss it and replace it. Call Air-Tro at (626) 357-3535 if you need help getting it replaced.
Commercial HVAC Rebates: SoCalGas 2025 Guide
SoCalGas 2025 commercial HVAC rebates for boilers, economizers, and pump controls: learn how Air-Tro helps businesses save on upgrades.
Why Isn’t My Air Conditioner Working?
Air Conditioner not working? Here are some common descriptions of improper operation of air conditioning systems. Regardless of the problems you're seeing, Air-Tro is here to give you solutions. Call us at (626) 357-3535 when your cooling isn't keeping you in the comfort zone.
AC Not Cooling: What Homeowners Should Know
AC not cooling your house? Air-Tro explains why your AC may be running but not cooling, what to check, and how our expert team can help restore your home's comfort.