Condensing Unit Reviews Category Index
Goodman versus Trane Air Conditioners | Buyers AC Brand Advice
Goodman versus Trane Air Conditioners - The first thing we need to do when comparing a Trane Versus a Goodman air conditioning system is to make sure we are comparing similar models with similar features. Each manufacturer makes various models from a builder’s grade...
Heat Pumps | HVAC Heating and Cooling
Heat Pump Systems - There are different types of Heat Pumps in use in both the commercial HVAC heat pump markets and the residential HVAC heat pump markets. The two main types of heat pumps are the air source heat pumps and the water source heat pumps (or geothermal...
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...
Electronic Ignition Gas Furnaces Types
Electronic Ignition Gas Furnaces Types | Gas Heating Systems. Gas furnaces, boilers, and water heaters have evolved from the basic standing pilot ignition system to the state-of-the-art electronic ignition models. Standing pilot gas furnaces relied on keeping a pilot...
Fan Maintenance Energy Savings
Fan Maintenance Energy Savings - According to the Department of Energy fans consume nearly 80 billion kilowatts of energy per year. Optimizing how fans work functionally in mechanical applications can reduce energy use and save energy dollars for end users. Assuming...
Leaking Air Handler – Air Leaks
Leaking Air Handler- Air Leaks - Dear Richard… my partner and I moved into a brand new mill conversion/rehab condo last year that we absolutely love, but after the summer was over, I went into the utility closet (where the air handler/gas furnace are) and noticed that...
Air Handlers | Heating and Cooling
Air Handlers - An air handler is usually located in the garage, a closet, or in the attic (unless...
Reciprocating Compressors | HVAC Refrigeration
HVAC reciprocating compressors were the workhorse of the HVAC industry and when someone mentioned a compressor the first thing one thought about was a reciprocating compressor. This compressor has a piston(s) that compresses vapor and in the cases of an HVAC...
Refrigerant Pump-Down Method | HVAC Refrigeration
Refrigerant Pump-Down Method - Can an HVAC Technician “Park” Refrigerant in the Condenser? What you will learn from Refrigerant Pump-Down Method article: We answer a technical question by one of our readers concerning the refrigerant pump-down method...
HVACR Refrigeration Certification Section 608
HVACR Refrigeration Certification Section 608 - In 1993, Section 608 of the Clean Air Act became law and active enforcement of these federally mandated laws became the responsibility of the Environmental Protection Agency (EPA) to enforce. The Clean Air Act as defined...
HVAC Duct Systems
HVAC Duct Systems - Ductwork systems channel the air to the spaces where it is needed from the air handler. HVAC duct systems also will pull the air from the space and channels it back to the air handler where it needs to be conditioned. In some commercial...
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...
Automatic Air Vents | HVAC Hydronics
The automatic air vent is found in the piping system of water loops. If air is introduced into the water loop system it eventually finds its way to the automatic air vent where it is vented. The automatic air vents are located throughout the system. Automatic air...
Air Handler Smoke Detectors NFPA
Air Handler Smoke Detectors NFPA - Installing duct smoke detectors or smoke detectors in air handlers are not ideal for the protection of life and property in the event of a fire or smoke condition. The NFPA and mechanical codes cover smoke detectors. Air Handler...
Heat Pump Vs Electric Furnace | HVAC Heating
Heat Pump Vs Electric Furnace - Richard, Thank you for such a great site! We have learned a lot from reading your site and recommend it to all our friends. I have to replace our air conditioner that has an electric furnace for heat. We got several quotes from three...
Gas Furnaces Sequence of Operation – HVAC Heating
Gas Furnaces Sequence of Operation - Why is furnace sequence of operation important? If a technician is to properly troubleshoot a gas furnace he needs to know the proper sequence of operation for the particular furnace he is troubleshooting. Gas Furnaces Sequence of...
Gas Furnace Types | HVAC Heating
Gas Furnace Types come in a variety of sizes and can be used for different applications. Types of gas furnaces have different classifications. By and large, the most common gas furnaces use natural gas and utilize electronic ignition. Electronic ignition gas furnaces...
Alerton Controllers DDC HVAC Control | Heating & Cooling
Alerton Controllers DDC HVAC Control - HVAC DDC control has become an integral part of building automation systems. Modern DDC HVAC Control is a state-of-the-art computer-controlled system that adds efficiency to the system. These Alerton controllers are used to...
Air Handler Condensation Drain Leaking | HVAC Repair
This is an air conditioner condensation drainpipe that drains the condensation from the evaporator coil. The evaporator coil operates below the dew point when the system is in air conditioning mode. As humid air passes over the cold evaporator coil the humidity or...
Boiler Systems Installation | HVAC Heating
Boiler Systems Installation - Purchasing a boiler can be daunting for most people. Many people do not understand boilers and do not know certain components of boiler systems. Typically they trust the installing contractor to outfit and install the boiler with all the...
Heat Pump Thermostats | HVAC Heating and Cooling
Heat Pump Thermostats - To the average person a heat pump thermostat can be a very complicated thermostat compared to the typical thermostat which serves an air conditioning system with gas, electric, or an oil furnace. Of course, the heat pump thermostat typically...
HVAC Education NATE Certification | Technical Study
What is NATE? HVAC Education NATE Certification - NATE stands for North American Technician Excellence and NATE is a certification group that oversees the training, testing, and certification of HVACR technicians throughout North American. NATE is highly respected...
Chapter Three NEC and HVAC | Article 300 | Wiring Methods
Chapter Three NEC and HVAC - Chapter Three in the NEC covers Wiring Methods which includes how the wiring is supposed to run, the conduit for wiring, outlets, junctions, and switch points, and a host of other topics about the proper way to run wiring. HVAC Technicians...
Boiler Piping Flow Pipe Sizing | HVAC Hydronics
Boiler Piping Flow Pipe Sizing - Copper and Steel Pipe Flow Rates and Characteristics of Piping in Hot Water Boiler Loops Hot water boiler pipe sizing is important and based on many factors including BTU and Delta (Δ) T Calculations. Boiler Piping Flow...
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