A Subcool Air Conditioning
HVAC Repair & Air Conditioning Tips
Helpful, practical HVAC advice for homeowners in the San Fernando Valley, including air conditioning repair, heating, mini-splits, maintenance, and energy efficiency.
Latest HVAC Articles
Air conditioning, heating, installation and maintenance guidance.
September 9, 2026 · 2 min read
A clogged AC evaporator coil is a common air conditioning problem that can reduce airflow, lower cooling performance, and cause the system to work harder than necessary. One of the most common causes is operating an air conditioner without a properly installed air filter.
Read article →
July 3, 2026 · 1 min read
Read article →
December 31, 2019 · 1 min read
Your air conditioning is no longer cooling. There are numerous reasons why your air conditioning system may not be providing cooling. Many of my past customers have encountered … Continue reading “Low in Freon gas!”
Read article →
September 4, 2019 · 2 min read
Read article →
August 31, 2019 · 3 min read
Finding a leak in an air conditioning system can indeed range from straightforward to highly challenging, primarily depending on the size and location of the leak. Large leaks, … Continue reading “Freon leak source”
Read article →
August 25, 2019 · 3 min read
The process of installing an air conditioning (AC) package unit onto a rooftop involves several critical steps and considerations to ensure the unit is installed safely, efficiently, and … Continue reading “AC package unit installation”
Read article →
August 22, 2019 · 3 min read
Mini-split air conditioning systems, also known as ductless mini-splits, have indeed become increasingly popular in both residential and commercial settings due to their efficiency, flexibility, and ease of … Continue reading “Ductless Mini split AC unit.”
Read article →