Blog

Air-Tro Builds on Longstanding HVAC Service in Pasadena and the San Gabriel Valley

Reader-voted honors reflect local trust in the family-owned company led by brothers Bob and Tony Helbing.

How Custom Drapery Can Lower Your HVAC Energy Costs

by Jeanette Chasworth of The Color Whisperer Most homeowners focus on their HVAC system when trying to reduce energy costs,…

Honoring a School That Helped Shape Our Community

Since Air-Tro moved to Monrovia almost 50 years ago, we’ve shared the neighborhood with our friends at Santa Fe Middle…

George Washington weather vane at Mount Vernon cupola, 18th century practical comfort observation

Were Our Founding Fathers HVAC Specialists?

Did you know our founding fathers were also pioneers in the field of meteorology and climate study? Indoor comfort mattered to them, too. Get in touch with Air-Tro to make sure you’re taking advantage of all the energy saving HVAC technology available today. Call us today at (626)357-3535.

Pasadena homeowner reviewing honest options for residential HVAC repair versus replacement with a local Air-Tro comfort consultant

Repair vs. Replace Your Residential HVAC System

Repair vs. Replace Your Residential HVAC System: Honest Guidance for Homeowners in Pasadena, Monrovia & Beyond Many Pasadena and Monrovia…

Commercial HVAC technician conducting summer peak demand preparation maintenance on a rooftop unit in Los Angeles

Commercial HVAC Summer Preparation for Peak Demand

Preparing Your Commercial HVAC for Summer Peak Demand in Los Angeles and Southern California Commercial buildings across Los Angeles and…

Water-cooled commercial chiller and cooling tower system maintained by Air-Tro in Southern California

2026 Commercial Chiller Repair and Maintenance Checklist

Essential 2026 Commercial Chiller Repair & Maintenance Checklist When your commercial chiller goes down, everything from office productivity to hospital…