Last night ACCA, along with our partners AHRI, HARDI, NATE, and PHCC, hosted a reception in the Rayburn House Office Building to introduce members of Congress and staff to our industry and its products. The featured attraction was a 250 pound cake depicting heating, ventilation, air condition, refrigeration, and hot water equipment from Carlo’s Bakery [...]
TUESDAY , JANUARY 17, 2012 Home Reviews Forum Jobs Contact 04 July 2007 Last Updated on 17 January 2012 Richard 0 Comments Boilers Boilers People who use boilers for their main source of heat report that they love the kind of heat that a boiler provides , whether they have a hot water steam boiler . If you were thinking that there really is only one type of heat , you may want to reconsider . All you have to do is add adjectives to the beginning of the word heat . There is dry heat , wet heat , drafty heat , even heat , and uneven heat just to mention a few . The heat will give you even , draft-less heat . That is opposed to drafty , uneven heat that heat pumps and forced air systems provide . We all know it is important to have good preventive maintenance practices and regular system
MONDAY , JANUARY 16, 2012 Home Reviews Forum Jobs Contact 05 June 2007 Last Updated on 10 January 2012 Richard 0 Comments Heat Pumps High Performance Heat Pumps Heat Pump Systems Heat Pump Systems There are different types of Heat Pumps Systems 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 to air heat pumps and the water to air heat pumps or geothermal heat pumps Within the water to air heat pump types there are several sub-categories . Mechanically and electrical speaking , they all work the same way but use different methods of moving the heat from one place to another . Regardless of the type of heat pump it is heat pumps are based on the theory of heat pumps that says heat can be moved from
Addison HVAC Contractor, Total Air & Heat, explores heat pumps and the issues of cost efficiency. Although we think of air conditioners mainly as cooling devices, it includes opportunities beyond that. As a matter of fact, the name of the air conditioner means that it can regulate the temperature of a space, regardless of what the [...]
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Air Handlers 1 05 May 2007 Last Updated on 10 January 2012 Richard 0 Comments Air Handlers 1 An air handler is usually located in the garage , a closet , or in the attic unless you have a package unit then the air handler is incorporated in the system It is essential to any AC unit and heating forced air system . All AC units need an air handler or way to move air . It can be a part of your furnace and houses the evaporator coils , the blower motor , and some HVAC controls . It can be an up flow , down flow , or horizontal flow AHU air handling unit To determine which one you have follow the return duct . The return duct should originate where you put the HVAC filter and or is the biggest register grill in the
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Duct Work 04 April 2007 Last Updated on 10 January 2012 Richard 0 Comments Duct Work Most air conditioning and heating systems require some form of duct work to channel or direct the air to places in the dwelling where the conditioned air is needed . There are many types of duct work available and often times the duct work can make a big difference in your utility bills . For that reason , it is important that the duct work is installed correctly by qualified installation technicians . A poor installation job will result in poor performance , bad air flow , leaky duct work systems , and higher than usual utility bills . Another important factor in the installation process is to make sure the duct work is sized
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Condensing Units 05 March 2008 Last Updated on 10 January 2012 Richard 0 Comments Condensing Units HVAC Condensing Units Page 1 Air Conditioning Units Heat Pumps Condensing Unit Basics Air Conditioning Heat Pump condensing unit is a simple yet technical piece of HVAC equipment . It sits out in the back or side of your house and kicks on and off almost by itself . At least it seems that way to most people . In this box made of sheet metal , is the heart of your HVAC cooling system . Or for those with heat pumps , it is the heart of your HVAC heating and . cooling A heat pump condensing unit will look similar to an air conditioning condenser . There are differences inside the the heat pump condenser and air
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Gas Furnace Components 06 July 2007 Last Updated on 07 January 2012 Richard 0 Comments Gas Furnace Components There are different types of gas furnaces which are available for purchase today and the older models which were installed many years ago still in operation . The older models were typically atmospheric type gas furnaces and used a lot of gas to produce heat much of which went up the flue because efficiencies were low . The standing pilot atmospheric type gas furnaces still exist today but they are slowly going the way of the dinosaur as they are being replaced by newer more efficient furnaces . We will take the typical modern gas furnace and break it down into different components and parts and then put it
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Standing Pilot Gas Furnaces Heating Safety 06 January 2006 Last Updated on 09 January 2012 Richard 0 Comments Standing Pilot Gas Furnaces Heating Safety Pilot Flame for Standing Pilot Gas Furnace The picture to the left is the main reason carbon monoxide detectors are important to own for people who own gas or oil fired furnaces . The customer had been suffering from severe headaches , nausea , and sinus problems . I condemned the gas pack furnace and the next day returned to replace all the heat exchanger cells in the furnace . This was the fourth one that winter 2001 that I had found in different furnaces . How many more are out there in furnaces that no one knows anything about except a slight headache and
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact High Efficiency Electronic Ignition Gas Furnaces 06 January 2008 Last Updated on 07 January 2012 Richard 0 Comments High Efficiency Electronic Ignition Gas Furnaces Electronic Ignition Gas Furnaces The next step up from the standing pilot gas furnace is the electronically controlled furnaces These gas furnaces are more efficient than the standing pilot furnaces but more complex in design . There are three types of electronic ignition gas furnaces : the intermittent spark pilot , the intermittent hot surface ignition pilot Honeywell smart valve and ignition assembly and the hot surface ignition furnaces . While the three are different they all offer higher efficiencies and are both controlled by solid-state circuit
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Hot Water Boiler Expansion Tanks 04 July 2008 Last Updated on 08 January 2012 Richard 0 Comments Hot Water Boiler Expansion Tanks Boiler Expansion Tanks There are two types of expansion tanks used on hot water boiler systems . The steel expansion tank and the bladder type expansion tank . These expansion tanks are used to provide a cushion for the expansion of water when it is heated . Without this cushion of air the pressure in the boiler system would rise and exceed the setting on the pressure relief valve causing the pressure relief valve to open and discharge water to relieve the pressure . It is necessary to for an HVAC technician to understand how these expansion tanks work in order to properly troubleshoot
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact How Air Conditioning Works 04 March 2008 Last Updated on 09 January 2012 Richard 0 Comments How Air Conditioning Works Air conditioners work by removing the heat from the space they service . An air conditioner is simply a big refrigerator that uses the process of refrigeration to provide cooling for a building . Air conditioners work by using direct expansion coils or chilled water coils to absorb and move the heat from the air as air is blown across the coils . Types of air conditioner systems that use direct expansion coils for cooling are window units split system air conditioners , package unit air conditioners , packaged terminal air conditioners like the air conditioners used in hotels , and mini-split
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact HVAC Refrigerant Pressure Temperature Chart 05 January 2007 Last Updated on 10 January 2012 Richard 0 Comments HVAC Refrigerant Pressure Temperature Chart High Performance HVAC Refrigerant Pressure Temperature Chart PT Chart for Common Refrigerants PSIG Pounds per Square Inch Gauge Temperature °Fahrenheit Refrigerant Type R-410A HFC R-22 HCFC R-134A HFC 5 inches mercury 66 48 22 4 inches mercury 64 47 21 3 inches mercury 63 45 19 2 inches mercury 62 44 18 1 inches mercury 61 43 16 0 60 41 15 1 59 39 12 2 58 37 10 3 55 34 8 4 54 32 5 5 52 30 3 6 50 28 1 7 48 26 1 8 46 24 3 9 44 22 5 10 42 20 7 11 40 19 8 12 39 17 10 13 38 15 12 14 36 14 13 15 34 12 15 16 33 11 16 17 32 9 18 18 30 8 19 19 29 7 21 20 28 5 22 21 27 4
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Run Start Capacitors for HVAC Motors 04 January 2007 Last Updated on 10 January 2012 Richard 0 Comments Run Start Capacitors for HVAC Motors There are two basic types of motor capacitors most commonly used in HVAC applications today . The run capacitor and the start capacitor . Motor capacitors are used to either increase run efficiency of the motor or to give it an initial start boost in torque to a motor . They are sometimes referred to as motor starter capacitors or power capacitors . Motor capacitors are only used for single-phase motors that generally see heavy use throughout the HVAC industry . Common applications of single-phase motors which use commonly use run capacitors are air handler blower motors ,
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Steam Boilers 04 August 2008 Last Updated on 10 January 2012 Richard 0 Comments Steam Boilers Residential and Light Commercial Low Pressure Steam Boilers The residential steam boiler is still alive and well despite the fact that some HVAC professionals refer to it and the steam boiler profession as the dead mans club . However , there are not a lot of HVAC boiler technicians or HVAC companies that specialize in steam boilers because there are not a lot of the steam boilers used for residential and light commercial applications . People have either converted their old boiler steam systems over to hot water or have gone with forced air systems . The concept is simple but the mechanics of it can be frustratingly
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Variable Speed GE ECM Condenser Blower Motors 04 September 2006 Last Updated on 09 January 2012 Richard 0 Comments Variable Speed GE ECM Condenser Blower Motors Variable Speed ECM Blower Motor When you look at buying a new HVAC system it will surely arise when the HVAC salesman or HVAC contractor who comes to give you an estimate will show an HVAC system that has a variable speed motor or the GE ECM Electronically Commutated Motor installed in it . These are systems that have a higher efficiency rating than the HVAC equipment that has the typical electric blower or condenser fan motor The ECM Electronically Commutated Motor uses less energy than the standard PSC motor that is commonly used in air handlers and
WEDNESDAY , JANUARY 11, 2012 Home HVAC Reviews HVAC Forum HVAC Jobs Contact Troubleshooting Broken Thermostats 05 March 2007 Last Updated on 07 January 2012 Richard 0 Comments Troubleshooting Broken Thermostats Troubleshooting Thermostats â Broken Thermostats Troubleshooting a Broken Thermostat can include checking out wiring The main connection between the air conditioning and heating system and the end user is the thermostat . Beyond the air conditioning and heating thermostat many people know nothing about their systems that keep them comfortable year round . There comes a time when the thermostat has a problem or the end user wants to replace the thermostat because they think it is a broken thermostat . It is not uncommon for a person to call an HVAC contractor and tell the secretary
Garland Heating Repair Company, Total Air and Heat, discusses energy saving tips. At least once in a while and most likely when the utility bills are delivered people, seriously consider finding a good energy plan that might be helpful in assisting them with implementing techniques that will result in reducing the amount of energy consumed in their [...]
Kitchen Heating Advice From Dallas Heating Service, Total Air and Heat In every kitchen there is a problem if the room temperature or the water temperature is below comfort level. Kitchen heating is thus essential to every home. It focuses on how best to make your kitchen a more comfortable and warm place to cook food, wash dishes, etc. Kitchen heating can be controlled via central heating or [...]
Addison HVAC Contractor, Total Air and Heat, shares insights into server cooling. Most buildings aren’t designed specifically for the unique needs of a server room. It’s no wonder that many server rooms aren’t properly designed in terms of cooling. The solution for most has been to bring in portable air conditioners or spot coolers to take the unique needs of the server [...]
WEDNESDAY , JANUARY 04, 2012 Condenser Fan Motor Air Conditioners Heat Pumps 04 January 2012 Last Updated on 04 January 2012 0 Comments The condenser fan motor is responsible for pulling air through coils of the condenser . The are also call air conditioner fan motor or heat pump fan motor but they all serve the same purpose . They pull air through the condenser coils . The condenser fan motor runs the gamut in horsepower ratings from low fractional horsepower in small residential units all the way up to 1 horsepower and larger 3 phase motors in large commercial HVAC units . The condenser fan motor is usually direct drive to a propeller blade which creates the air . flow In straight air conditioners the air conditioner fan motor is used mainly in the summer or when the air conditioner is