Air Conditioner Category Index
Our air conditioner category offers information to help you with many different aspects of cooling systems for residential including basics on how air conditioners work and air conditioner technical information. Things such as air conditioner maintenance and air conditioner troubleshooting can be found here. Everything from the efficiency of cooling systems to things that can be nuisance problems can be found in our air conditioning category to help you.
Other categories that related will help help you further with air conditioning knowledge such as our air conditioner reviews category and our refrigeration category. Since refrigeration is used in air conditioning systems you may want to peruse our refrigeration category for more information.
Indoor Air Quality and Viruses – Reduce Worry and Enjoy Cleaner Air
Indoor Air Quality and Viruses - The recent advent of the COVID19 virus has many people worried about catching the virus. They wonder what they can do to avoid catching it not only for themselves but also for their family members. Of course, there are many things to...
Air Conditioner Blowing Hot Air
Air Conditioner Blowing Hot Air - Hello Richard, my air conditioner is blowing hot air today and I am wondering what's going on with it. It is mild weather here and still winter, but the temperature here got above 80° F today, and when I came home from work, I decided...
Air Conditioner Maintenance | Maintaining Comfort
Air Conditioner Maintenance | Maintaining Comfort - There are many things people neglect to take care of and before they know it whatever it is they neglected fails to work. That happens with air conditioners also. Of course, being a licensed and trained technician, I...
Energy Star Central Air Conditioners
Energy Star Central Air Conditioners | It is not an unusual question. What is an Energy Star air conditioner, and what makes it better than an air conditioner that is not Energy Star rated? We get this question from time to time in our email for different types of...
Air Conditioner Breaker Trips
What do you do when the Air Conditioner Breaker Trips and it won't reset? What to do if the breaker keeps tripping? Try to reset it. If that doesn't work? What do you do when it trips again? I've been on several service calls where the problem was a tripped breaker....
Air Conditioner Circuit Board Troubleshooting
Air Conditioner Circuit Board Troubleshooting Question - Hello, my name is Calvin and I am an HVAC Technician that graduated from a community college 2 years ago and I am still learning and know I have much more to learn before I think of myself as an expert. I have...
How Much Refrigerant for the Air Conditioner
How Much Refrigerant for the Air Conditioner Question: What amount of Freon would it take to service a unit that services a 1200 square foot residential house if it were completely depleted? How Much Refrigerant for the Air Conditioner Answer: We get questions like...
Fix Sweating Copper Pipes
What you will learn from How to Fix Sweating Copper Pipes article: One of our readers submitted the question: How to Fix Sweating Copper Pipes - and we will answer her question A description of the problem with the sweating pipe The name of the copper...
Supply Vent Myth – Does Closing Supply Vents Save?
What you will learn with Supply Vent Myth article: First, how modern duct systems are designed How closing the supply vents effects the static pressure in the duct work Why and how closing supply vents effects modern HVAC equipment How to save energy...
Air Conditioner Causes Water Damage
Hello, We need to ask you about water damage and how an air conditioner can cause this kind of damage. The whole ceiling in one of the rental properties just fell into the living room. All the drywall and insulation from the attic fell and caused damage to our...
Replace HVAC Compressor for Air Conditioner Repair
Replace HVAC Compressor for Air Conditioner Repair - Question - Richard - I am an HVAC technician and have read all of your articles on refrigeration and compressors. Great information and it has helped to hone my skills and offer better service for my customers....
Air Conditioner Condensing Unit Frozen | AC Repair
Air Conditioner Condensing Unit Frozen - Richard - Early last month we turned our air conditioner on and it worked fine for a few days. Then I noticed it was getting a little warm in the house so I went around and checked the Air Conditioner. Air Conditioner...
Air Conditioner Components | HVAC Cooling
Air Conditioner Components - There are big differences between heat pumps and air conditioners. While the air conditioner provides cooling the heat pump will provide heating and cooling so the components inside the air conditioner differ from the components inside the...
Delay Timers and the Air Conditioner Condenser | HVAC Control
Delay Timers and the Air Conditioner Condenser - Air Conditioners are big HVAC refrigerators. Air Conditioners and Heat Pumps use the HVAC refrigeration cycle to transfer heat from a place where it is not wanted (inside absorbing heat with the evaporator coil) to a...
Air Conditioner Condenser Electrical Components – HVAC Cooling
What you will learn from this article Air Conditioner Condenser Electrical Components: Brief description of air conditioner condenser electrical components Code requirements for the condensing unit feeder circuit, fuse box, and wire running to the...
Air Conditioner Sequence of Operation | HVAC Cooling
Air Conditioner Sequence of Operation - When a technician is troubleshooting an air conditioner problem it is important that the technician understands the air conditioner sequence of operation for that equipment. When there is a problem with the equipment, including...
Home Humidity Control | Why Its Important for Comfort & Health
Home Humidity Control | Why Its Important for Comfort & Health - Humidity is important to our home and health and it is important to maintain the correct humidity in our homes and workplaces for our health. What is humidity? Humidity is simply little water...
Home Humidity Problems Maintaining Proper Humidity | HVAC Health
Home Humidity Problems - HIGH HUMIDITY 60 % +. Within the last month, I moved into a new house. It has drywall and not plaster walls. The furnace and hot water tank were installed a week or so before we moved into the house. Last week we determined that there is a...
Air Conditioner Condensation Water Dripping – Condensate Leaks
Air Conditioner Condensation Water Dripping - It’s the heat of summer or even the beginning of the season. You turn on your air conditioner for the first time. Hopefully, you’ve already had all the preventive maintenance checks done, and there are no problems....
Air Conditioner Condensation Problems – Condensate Drain Plugged
Air Conditioner Condensation Problems - It is important for air conditioning preventive maintenance to be performed on your system to avoid problems. Condensation water leaking near the air handling unit can be avoided with proper air conditioning repair and...
How to Fix a Frozen Air Conditioner | Troubleshooting 101
What you will learn from the Frozen Air Conditioner article: the major two reasons why your air conditioner has ice on it somewhere (otherwise you likely wouldn't be here) the difference between a heat pump and an air conditioner in winter and summer...
Air Conditioner History | HVAC Information
Air Conditioner History - Air Conditioning has become a necessity in modern times as building designs have changed making it necessary to have some way to air-condition and cool buildings where windows cannot be opened. Throughout history, all the way up to the 70′s,...
How Air Conditioning Works | HVAC Cooling
How Air Conditioning Works - Ever wonder how air conditioner works in a house? AC's work by removing the heat from the space they service. An AC is simply a big refrigerator that uses the process of refrigeration to provide cooling for a building. AC's work by using...
How Inverters Work Basics | Air Conditioning
How Inverters Work Basics - The new way for ultra-efficient air conditioners and heat pumps have modulating compressors and motors. A few years ago it was rare that I got an email asking the question about how inverters work but now I have noticed the question coming...
Air Conditioner Squirrel Cage Blower | HVAC Air Flow
Air Conditioner Squirrel Cage Blower | HVAC blower motors move the air through the system. The blower motor is sized based on the amount of air flow necessary for the system. This blower motor is the supply fan for the supply air in a large commercial York AHU. An...
Prevent Poor Ventilation in the Home | HVAC and Health
Prevent Poor Ventilation in the Home Prevent Poor Ventilation in the Home - You already know that inadequate ventilation in the home can lead to mold, mildew, and poor indoor airflow. This, in turn, can trap pollutants indoors, leading to allergies and other, more...
Home Ventilation and Pressure | HVAC Venting
Home Ventilation and Pressure - It is becoming increasingly necessary to have your home checked for home pressurization. Does your home have negative pressure inside of it? Do you have a gas or oil furnace which is inside the home and uses the air in the home for...
Helping Your Air Conditioner – Beating the Heat
Helping Your Air Conditioner - Beating the Heat - The new house you just bought is not so cool and the air conditioner seems to run all the time. You begin to worry that maybe something is wrong with the air conditioner. You tolerate it for a while until your spouse...
Air Conditioner Types | HVAC Cooling
Air Conditioner Types - Air Conditioners comprise a wide array of variety, types, and names. Below is a list used to describe these types of air conditioner systems in generic terms. Any one of the air conditioner units below can heat, cool, and have a combination of...
Air Conditioner Troubleshooting Good AC Repair Tips
For proper Air Conditioner Troubleshooting, you need to understand some basics of air conditioners. This includes basic refrigeration, electricity, electrical components and how electro-mechanical controls work. In addition, basic air conditioner components and air...
Air Conditioning Blower Motor Repair
What you will learn from Air Conditioning Blower Motor Repair article: Basics about air conditioning blower motor repair How quickly can the repair be done? Specialty motors and costs Blower motor and related parts Why replacing the capacitor is...
Air Conditioner Problems | HVAC Cooling
Air Conditioner Problems - As an HVAC technician I am aware of all the problems air conditioners can develop. Therefore, you will get a unique perspective on air conditioner problems. And hopefully, how to avoid these problems. Air conditioners have become a norm in...
Air Conditioning Preventive Maintenance | HVAC Spring Cleaning
Air Conditioning Preventive Maintenance | HVAC Spring Cleaning - Do You Benefit from Maintenance Agreements? Air conditioning preventive maintenance is a thorough check of the air conditioning system by a professional HVAC Technician. The technician will check the...
Free Cooling Air Conditioning | HVAC Cooling
Free Cooling Air Conditioning - I’m looking for a residential high-performance system that uses an air intake damper or a multistage (multi-zone) heating and a cooling system similar to what I found at Economizer Systems and HVAC Control? Any suggestions? Answer……………...
Dual Two-Stage Split System with a Dual Slab Coil
Dual Two-Stage Split System with a Dual Slab Coil. Huh? Richard - Very nice site!- Dual Two-Stage Split System with a Dual Slab Coil - I have a question; my home was fitted out by the previous owner with a twinned system, and a thermostat (Totaline P374-1900) which...
Air Conditioning Service Repair – HVAC Cooling
Air Conditioning Service Repair - No matter what name brand (York, Trane, Carrier, Goodman, Lennox, Rheem) of air conditioning and/or heating unit you purchase some time or the other you will need to have that air conditioning and heating equipment checked for a...
Technical Resource: Refrigeration and Air Conditioning Technology