refrigerant

2025 New Refrigerant Regulations: What Does It Mean for Your Business?
The 2025 New Refrigerant Regulations are transforming commercial HVAC standards nationwide. Learn how these changes impact system compliance, refrigerant choices, and what businesses need to know to stay ahead of rising costs and environmental mandates.

Time for a Cool Change: Air Conditioning in the 1970s
The 1970s brought us a lot of memorable trends, including new advances in HVAC technology that laid the groundwork for our current heating and cooling technologies. And Air-Tro has been keeping California comfortable since 1969! Call us today at (626)357-3535.

Pasadena Air Conditioning: 5 Common Causes for an A/C That's Blowing Hot Air
If your A/C is blowing hot air, your comfort depends on getting the issue resolved as quickly as possible. Here…

HVAC Pasadena: Do You Understand the Difference Between Evaporator and Condenser Coils?
HVAC Pasadena: Do You Understand the Difference Between Evaporator and Condenser Coils? Your air conditioning service pro has probably mentioned evaporator…

HVAC Monrovia: Essential Steps of a Professional A/C Installation
HVAC Monrovia: Essential Steps of a Professional A/C Installation When you’re shopping for a new air conditioner, you should always…

HVAC Pasadena: Got Bent HVAC Fins? Straighten Them Out!
HVAC Pasadena: Got Bent HVAC Fins? Straighten Them Out! Your air conditioner’s indoor evaporator coil works as a heat exchanger. Refrigerant…

Does Your A/C Need a Refrigerant Retrofit? Get Info to Know for Sure
Many buildings and cars are cooled by a refrigerant called HCFC-22 (AKA R-22 or Freon®). R-22 is a type of compound called…

Why It Is Important To Know About AFUE, SEER, HSPF
Why It Is Important To Know About AFUE, SEER, HSPF When you’re selecting a new HVAC system for your home,…