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Name: Air-Tro Inc
Address: 1630 S Myrtle Ave, Monrovia, CA, 91016, US
Telephone: (626) 357-3535
Price range: $$
Rating: 4.7

Consuelo Woodhead posing with her historic 1908 Gleewood Gas Furnace in a Pasadena basement before replacement

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…

Close-up view of a furnace gas valve part, showing inlet, outlet, and control connections

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…

Skilled technician tackling commercial HVAC repair on a Pasadena rooftop

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!

HVAC technician performing furnace repair in a Pasadena home

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.

Illustration of geothermal heat pump loops extracting earth heat for Pasadena homes

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.

Aging HVAC system in Pasadena showing rust and wear, indicating upgrade signs

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.

1950s illustration of man suffering heat at desk without air conditioning

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 technician using fin comb to straighten bent evaporator coil fins during repair

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.