Air Handler Reviews Category Index
Here you will the editors technical reviews for specific brands and some air handler brand models plus consumer opinions for specific brands in the comments section below the technical air handler review. If you have any questions or comments to the staff here at High Performance HVAC please use our contact form.
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Proper Refrigeration Piping Installation Practices
Proper Refrigeration Piping Installation Practices - Installing a new air conditioning and heating system requires skill and knowledge of proper procedures in electrical wiring, controls wiring, and pipework. On commercial projects, a skilled electrician handles the...
Thermostat Wiring Diagrams – HVAC Control
Thermostat Wiring Diagrams - Heat pumps are wired for HVAC control far differently than air conditioning systems so make sure you know the difference and correctly identify the type of HVAC system you have installed. Additionally, before you decide to change your...
Conversion of a Water Heater to Electronic Ignition | HVAC Technical
Conversion of a Water Heater to Electronic Ignition - This article covers converting from standing pilot to electronic ignition. So you are tired of relighting the pilot light every so often or replacing the thermocouple on your standing pilot gas water heater. You...
Steam to Hot Water Generator HVAC Heating
Steam to Hot Water Generator HVAC Heating - There are some facilities including campus-like complexes that use a centralized steam plant as steam to hot water generator. The steam is generated from a large boiler and piped to various buildings around the campus or...
Basic Thermostat Wiring Colors – Air Conditioner Systems
Basic Thermostat Wiring Colors - Air Conditioner Systems - Always remember when changing a thermostat for a new thermostat to take a photo of the colors and where they go on the old thermostat or get a pencil and paper and write it down. It is better to take a good...
How to Test a Thermocouple for a Water Heater
How to Test a Thermocouple for a Water Heater - Everyone who has owned a gas heater including furnaces or water heaters will know that from to time you have to light the pilot light unless you have the electronic ignition that automatically lights the pilot light....
How to Troubleshoot Standing Pilot Gas Water Heater | HVAC Heating
Troubleshoot Standing Pilot Gas Water Heater - I am wondering how many people have had issues with lighting their pilot light on their water heater. I am sure it is many as I have responded to calls that turned out to simply going through the proper procedure to...
Boiler Circulation Problems | Troubleshooting Hydronic Water Loops
Boiler Circulation Problems | Troubleshooting Hydronic Water Loops - Richard, we have a hot water boiler and we are having problems with the circulation of the water. The radiators are cool and we don't seem to have good heat. The boiler seems to be working fine but...
Two-Stage Gas Furnace Buyer Tips
Two-Stage Gas Furnace Buyer Tips - Two-stage gas furnaces make up over 30% of all gas furnaces installed in residences in the USA. Two-Stage gas furnaces are more efficient than single-stage gas furnaces in most cases. When purchasing furnaces always check the ARI...
Modulating Gas Furnaces – Furnace Purchase Options
Modulating Gas Furnaces - Gas furnace manufacturers have for many years been working on modulating furnaces to make furnaces more efficient. Before modulating furnaces, the highest rated (efficiency-wise) were two-stage gas furnaces. Then came the modulating furnaces....
Gas Furnace Heat Exchanger Failure | Heating and Cooling
Gas Furnace Heat Exchanger Failure - Richard, a technician just departed my house after looking at my gas furnace. My mom thought she smelled something so we called the furnace company we usually call when we need furnace maintenance to check it out. He told us our...
Two-Stage Scroll Compressors | Refrigeration & Cooling
Two-Stage Scroll Compressors Two-Stage Scroll Compressors - For many years HVAC manufacturers used two compressors in their higher efficiency equipment to stage the air conditioner or heat pump for added efficiency. They would use a small compressor for the lighter...
Pressure Reducer Valves for Hydronics – Heating & Cooling Water
Pressure Reducer Valves are used for boilers to decrease the pressure supplied to the boiler from the make-up water feed. The make-up water feed originates from the city water source or well water source. The same water source you use for showering, washing dishes,...
Effects of a Clogged HVAC Air Filter | Dirty Filters
What happens when your filter clogs up with dust and debris? The effects of a clogged HVAC air filter in your air conditioner or heat pump can cause failure of the system operation that will result in a call for an air conditioner repair service. Furthermore, dirty AC...
How VAV Boxes Work | HVAC Zoning
How VAV Boxes Work? A Variable Air Volume box is typically installed in HVAC systems in commercial buildings and provides heating and cooling for occupants. There are different types of Variable Air Volume boxes but how a Variable Air Volume box works is fundamentally...
How to Wire an Air Conditioner for Control 5 Wires
What you will learn from the How to Wire an Air Conditioner for Control 5 Wires article: This article includes a comprehensive table showing thermostat wire terminations for an air conditioner and a source of heat that includes five wires A...
How a Gas Furnace Works
How a Gas Furnace Works - Richard, Can you please explain to me in basic terms how a gas furnace works? I have a standing pilot gas furnace if that helps you better. This question is closely related to my article on the Gas Furnace Sequence of Operation. Each type of...
Why Does My Steam Boiler Run Out of Water | HVAC Heating
Why Does My Steam Boiler Run Out of Water - All boilers need a constant supply of water from a make-up water source. In a steam boiler system, there are vents that vent condensation. The vents can be found on the radiators and throughout the pipe system especially on...
Troubleshooting HVAC Capacitors | Electrical Systems
Troubleshooting HVAC Capacitors - As a technician, it is not uncommon to find bad capacitors. Sometimes it is the primary reason for a trouble call from a customer. The capacitor in the air conditioner or heating system is bad. A good technician can usually figure out...
What is a Metering Device – Refrigeration Components
What you will learn from What is a Metering Device: We will answer the question, "What is a metering device". We will define the various types of devices and how they work. How the metering device is involved in the refrigeration cycle A...
Evaporator Coil Air Conditioners | HVAC Refrigeration
Evaporator Coil Air Conditioners - the evaporator in air conditioners is responsible for absorbing heat into the coils and the refrigerant. The evaporator in heat pumps and air conditioners is an essential component of vapor compression refrigeration. This is usually...
The Condenser in the Refrigeration Process | HVAC Heating & Cooling
The Condenser in the Refrigeration Process - The condenser coil receives the high-pressure high-temperature refrigerant vapor from the compressor and immediately begins to remove heat from the refrigerant vapor. As the refrigerant vapor makes its way through the...
The Compressor | HVAC Refrigeration
The Compressor | HVAC Refrigeration - In a typical HVAC air conditioner or heat pump, there are four major components that make the process of refrigeration work. Basically, this is how air conditioners work. And how heat pumps work. The first component in the process...
Refrigeration Pressure Switches | HVAC Systems
What you will learn from Refrigeration Pressure Switches A question from one of our readers - What are refrigeration pressure switches and how pressure switches protect the refrigeration circuit. All about high-pressure refrigeration switches All...
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