Condensing Unit Reviews Category Index
The Mercury Switch Thermostat | HVAC Control
The Mercury Switch Thermostat | HVAC Control - Mercury switch thermostats are not available for purchase in many states. They have been banned because they contain mercury, and it is important to properly dispose of these thermostats that contain mercury if they are...
White Rodgers and Honeywell Thermostats | Thermostat Selection
White Rodgers and Honeywell Thermostats - Which type and brand of thermostat do you get when selecting a new thermostat? To do that you have to know what kind of HVAC system you have installed for your heating and cooling system. Do you have a hot water boiler with...
HVAC Careers and Jobs | Heating and Cooling Employment
HVAC Careers - So you want to become an HVAC Technician and want to know how to find a successful career? It’s not easy but here’s some help for you. First of all, you need a good foundation of the basics and it would help if you understood the different types of jobs...
HVAC Green Technology | Heating and Cooling
HVAC Green Technology | Heating and Cooling - First of all, we need to define Green Technology before we compare it to HVAC and discuss how the HVAC industry is working to make the equipment and designs used in Green Technology, friendly to the environment. Green...
Magnehelic Duct Pressure Sensor
Magnehelic Duct Pressure Sensor - The Magnehelic measures duct pressure inside of ductwork. It is important, for many reasons, to know the pressure inside of ductwork. This Magnehelic measures the supply side pressure of the blower inside the air handler. Magnehelic...
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...
How Electronic Air Cleaners Work | Indoor Air Quality
How Electronic Air Cleaners Work | Indoor Air Quality - The electronic air cleaner cleans the air electronically. Most electronic air cleaners (EACs) have two ways of filtering the air. In addition to cleaning the air electronically, electronic air cleaners have metal...
Duct Systems and Bad Ductwork
Bad Ductwork - Ductwork is necessary to deliver the air throughout the HVAC system. It is important that the system has integrity with no leaks. Ductwork is made of different materials. Duct systems also have different construction methods which hold the ductwork...
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...
Aquastat Temperature Control | Boiler Components
Aquastat Temperature Control - The boiler aquastat controls the temperature of the water inside the boiler jacket. The boiler aquastat is a device to a boiler like a thermostat is to an air conditioner, heat pump, or gas/oil furnace. A boiler aquastat controls the...
Boiler Maintenance | HVAC Heating
Boiler Maintenance | HVAC Heating - Almost as if by rote many maintenance departments begin their annual maintenance in late summer to get ready for the cooler weather. Does your department understand how important the code is or do they take all this for granted? Do...
Gas Furnace Ignition Control Operation | HVAC Heating
Gas Furnace Ignition Control Operation | HVAC Heating. This furnace control board controls much of the functions of this gas furnace with few exceptions. The main control comes from the thermostat and once the thermostat tells the gas furnace control board it is time...
How Heat Pumps Work | HVAC Heating Systems
Have you ever wondered how Heat Pumps work? Heat Pumps can be a very economical way of heating and cooling your dwelling. It depends on geographical location and the cost of electricity in your area. The volatile costs of natural gas, propane, and oil have enabled...
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...
Boiler Pressure Relief Valve | Boiler Safety
The boiler pressure relief valve (PRV) is a safety valve designed to relieve an excessive build-up of pressure inside the boiler. The is a pressure vessel designed to handle a safe amount of pressure. If the pressure were to build up beyond the safety limitations as...
Gas Furnace Components 2 | HVAC Heating
Gas Furnace Components 2 - Gas Burners - Depending on the type of gas furnace and how the gas furnace was engineered will depend on the type of gas burners. Inshot burners generally shoot a flame into the combustion chamber where an induced draft exists. For sealed...
Minisplit Ductless Heat Pumps Air Conditioners
Minisplit Ductless Heat Pumps Air Conditioners - There are many people who can actually save money by installing a mini-split ductless air conditioner or heat pump over installing the conventional ducted split system air conditioner or heat pump. A few of the possible...
Trane Chilled Water Systems – Multi-Zone Air Conditioning Systems
Trane Chilled Water Systems – Multi-Zone Air Conditioning Systems - This Trane HVAC chiller serves four different apartments. Chilled water systems offer a great way for multi-zone air conditioning. From small apartment buildings to large commercial buildings chilled...
Heat Pump Problems | HVAC Heating & Cooling
Heat Pump Problems | HVAC Heating & Cooling - Heat Pumps are very popular especially in the South where air source heat pumps are mostly favored over straight air conditioners with a gas furnace for heating. With a heat pump, one system can provide heating and...
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...
Common Sense Safety HVAC Codes
Common Sense Safety HVAC Codes - Some HVAC Installation technicians take pride in their work and make any installation job they perform look like a work of art. There are others who don’t care and want to install the unit as quickly as possible and move on down the...
Alerton BTI DDC Controller Building Automation
Alerton BTI DDC Controller Building Automation - This is the main DDC controller for Alerton. It communicates with all the other controllers in the field serving the building automation system and connects those systems with a computer or modem. Alerton BTI DDC...
R-134A Refrigerant Pressure Temperature Chart
R-134A Refrigerant Pressure Temperature Chart - R-134A is an inert gas also known as Tetrafluoroethane, and for air conditioner systems. Furthermore, R134A is a chemical refrigerant in automotive and domestic use air conditioners. Additionally, HVAC Systems such as...
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