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Oldest Furnace Contest Winner: A Historic 1908 Gravity Heater in Pasadena
Air-Tro’s Oldest Furnace Contest Winner: A Historic 1908 Gravity Heater in Pasadena Imagine a heating system that’s been quietly doing…

Furnace Components Explained: Functions, Issues, and Gas Valve Replacement Costs
Furnace Components Explained: Functions, Common Issues, and Repair Costs Understanding the inner workings of your furnace goes a long way…

Guide to Top-Notch Commercial HVAC Repair and Maintenance
Get expert commercial HVAC repair and maintenance tips to stay comfortable year-round at your Pasadena business in this guide by our experts.

Homeowner News Winter 2026
Check out the latest Homeowner News which includes "Friends with HVAC: The One About Staying Warm in Winter Weather and "Saving Money This Winter Can Be Fun!" You'll also find coupons you won't find anywhere else!

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.

Geothermal Heat Pump Guide for Pasadena Homes
Learn the benefits of geothermal heat pump service in Pasadena, including pros, cons, and installation details for Southern California homes. Learn if geothermal HVAC installation is worth for your family in our Geothermal Heat Pump Guide.

Signs It’s Time to Upgrade Your HVAC System in Pasadena
Discover key HVAC upgrade signs in Pasadena like when to replace your HVAC system. Learn warning signals and why timely upgrades matter.

Vintage AC History | Pasadena HVAC Experts | Air-Tro
HVAC systems of the past brought advertising that demonstrated the rewards of having great air conditioning.

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.
