How Does a Variable-Speed AC Work?
The variable speed motor was invented in 1888 by Nikolai Tesla. But the first inverter-driven compressor for a residential split-type air conditioner wasn’t developed until 1981. Nonetheless, less efficient single-stage compressors remained standard. Variable-speed compressors have become more widely available in recent years and represent a more reliable, precise, and efficient solution. We’ll now explain […]
Common Variable-Speed Air Conditioner Problems
Variable-speed air conditioners meet your cooling needs by ramping up or down. They’re also more efficient than systems that only turn on or off or run at a high or low speed. But while there are many benefits, common variable-speed air conditioner problems can occur. Here are some problems you may encounter if a system […]
Does Closing Vents Redirect Air?
Many homeowners believe closing air vents redirects airflow to hot or cold rooms. It’s also a common belief that closing vents helps conserve energy. But in reality, the practice has few, if any, benefits and can do more harm than good. To answer the question, “Does closing vents redirect air?” we’ll explain if it does […]
When Was Freon Banned and Why Is It Bad?
Freon, a brand name for refrigerants used in air conditioners, was introduced in 1930 and officially banned in the United States on January 1, 2020. Also known as R-22, it’s a chlorofluorocarbon (CFC) that studies found to be harming the environment. But what was Freon doing that caused it to be phased out? And if […]
Why Is There a Bad Smell Coming from One Vent in the House?
Bad odors from your vents can signal that something is seriously wrong. There are many reasons why a bad smell would be coming out of the vents, but if only one vent smells, it’s likely a localized issue inside the ductwork or a problem with the ductwork itself. If you need to know why one […]
Do I Need a New Thermostat for a Variable-Speed AC?
Choosing a thermostat is an important decision. While some thermostats work with several types of heating and cooling systems, others are more specific, so compatibility may be an issue. For example, a variable-speed AC requires a control system with specific functions to access all its features. Staged heating and cooling is a revolution in HVAC […]
When to Call a Fresno AC Repair Professional
Nobody wants to be without air conditioning during a Central California summer. But no matter how well you care for your AC, it can develop problems. The sooner you call a professional, the sooner the issue can be resolved, and more serious damage can be avoided. Here are a few situations when you should call […]
Can Mold Grow in Ductwork?
Mold can grow in ductwork and form colonies wherever there’s a source of moisture and nutrients. It’s found naturally outdoors and indoors. When mold forms on bathroom or basement walls, it’s easily seen and often easy to clean before it becomes widespread. But when mold is present in ductwork and other parts of your HVAC […]
Why Does the Air Feel Thick in My House?
Stale air is difficult to describe, but you recognize it when you encounter it. Thick, stuffy air is a more serious indoor air quality issue than most people realize. If the air in your home doesn’t smell fresh, it isn’t. We’ll explain below why the air feels thick in your house and why it’s important […]
What Are the Latest Alternatives to Freon?
If your air conditioner is over 15 years old, it likely uses R-22, a hydrochlorofluorocarbon (HCFC) refrigerant mistakenly referred to as Freon — one of several companies that make this HCFC coolant. While it was once a popular choice for cooling systems, it’s now in the phase-out process due to its environmental impact. Thankfully, several eco-friendly alternatives […]