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What is an air conditioning heating unit?
An HVAC unit is a term used for a centralized heating, ventilation and air conditioning system. An HVAC unit allows for the convenient regulation of the interior temperature and climate of a building. This units provides interior cooling by drawing warm interior air into the system through a series of air return ducts. The air is then moved over a series of refrigerated coils. As the air moves over the coils, the heat in the air is transferred to the refrigerant in the coils. A fan or blower sends the cooled air back to the interior of the building through a series of ducts.

Feel perfectly comfortable with our innovative hvac units, cooling and air quality systems. We sell brand new factory direct HVAC systems including ductless splits and air conditioners designed to conserve energy and save money. Our products also provide complementing air filtration systems, humidifiers and dehumidifiers help keep indoor air quality healthy and clean.

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  • FAQ'S Air Conditioning Heating Unit
  • What does HVAC stand for?
  • How does my heating and air conditioning system move air throughout my home?
  • How often should I replace the filter?
  • Can I Leave my door and window open while using air conditioner
  • Why should I replace my working furnace or air conditioner?
  • What the heck is a SEER and EER?
  • What Are the Advantages of Ductless Technology?
  • Why can't you add coolant to my system without checking for a leak or repairing an existing leak?
  • How are air conditioners typically sized to meet the cooling needs for my home?
  • How does the Clean Air Act impact heating and cooling systems?
  • How does insulation affect my cooling needs?
  • What is the importance of EER?
  • What is meant by a ‘ton’ of refrigeration?
  • How does the Clean Air Act impact heating and cooling systems?
  • What is radon?
  • Six Facts about Air Conditioning and Indoor Air Quality
  • Your Central Air was working fine last summer but now that you've turned it on again, the HVAC doesn't Work.
  • How often should I replace the filter?
  • Why should I replace my working furnace or air conditioner?
  • What does it mean when my A/C freezes up?
  • Why does my air conditioner keep running?
  • Should I have a new programmable thermostat installed with my new system?
  • What causes ice to build up in an air conditioner?
  • What does HVAC stand for?
  • HVAC (pronounced h-vack or spelled out) stands for Heating, Ventilating and Air Conditioning. The three functions of heating, ventilating, and air-conditioning are closely interrelated. All seek to provide thermal comfort, acceptable indoor air quality, and reasonable installation, operation, and maintenance costs. HVAC systems can provide ventilation, reduce air infiltration, and maintain pressure relationships between spaces. Your heating and air technician goes by the name of HVAC contractor, and can provide heating repair expertise.

    Top ?
  • How does my heating and air conditioning system move air throughout my home?
  • A fan draws indoor air in through vents called return grills located throughout your home. The air travels through ducts that run to your systems’ air handler, where it is returned into the conditioned space through supply vents or registers in your wall, ceilings or floors.

    Top ?
  • How often should I replace the filter?
  • You can if you use it economically, if you close windows, doors, curtains and blinds, you can help your conditioner cool a room more quickThere’s no one-size-fits-all answer. The frequency of filter changes is driven by how much your heating and air conditioning system operates, which is also driven by your individual climate. Start by checking the system’s filters at least once a month. Hold the used filter up to the light and compare it to a clean "spare." When light is obscured by captured dust and dirt particles, the old filter should be changed. Keep a record for one year and then replace the filter on that basis. At a minimum, it is always a good idea to change filters at the start of the heating and cooling seasons and then in between according to your need. Also, it is a good idea to have your heating and air system checked at the beginning of heating and cooling season to insure proper operation.ly. Air Conditioners with inverters and auto settings are economical in power consumption because they automatically adapt and maintain the temperature you want. Top ?
  • Can I Leave my door and window open while using air conditioner?
  • You can leave windows and doors open, but it’s not a very good idea if you are trying to heat or cool your room. If you are trying to cool down a room, it’s best to close the curtains, blinds and windows during the hottest part of the day. This will keep your home cooler and prevent your air conditioner from having to work harder or having to use more energy then it has to. Top ?
  • Why should I replace my working furnace or air conditioner?
  • Although your present furnace or air conditioner may be working, if it is more than 12 years old you should consider replacing it with a new high efficiency system. A new heating and air conditioning system could save up to 50 percent on energy costs, and save you money in the long run on heating repairs. While these products save you money on your utility bills, they also offer a better degree of comfort within your home. Top ?
  • What the heck is a SEER and EER?
  • Since January 2006, all residential air conditioners sold in the United States must have at least a 13 SEER. SEER is the abbreviation for Seasonal Energy Efficiency Ratio and it is a U.S. government standard energy rating and reflects the overall system efficiency of your cooling system. An EER is short for Energy Efficiency Ratio and doesn’t take into consideration the time of year, but rather the system’s energy efficiency at the peak operating use. Both ratings should be considered in choosing cooling products. The rating is a ratio of the cooling output divided by the power consumption and measures the cooling performance of the system. The Federal government developed an ENERGY STAR program for high efficiency central air conditioning systems that in order to qualify must have a SEER of at least 14. Top ?
  • What Are the Advantages of Ductless Technology?
  • Ductless HVAC and AC systems offer a variety of advantages that may prove both practical and cost-effective for your home. Some of the main features and benefits that homeowners appreciate about ductless systems follow:

    • With a ductless system, the temperature of each room or zone can be individually controlled.
    • For AC models, the indoor unit for each room or zone can be individually set for cooling, ventilation or dehumidification. Heat pump models also offer a heating option.
    • A conventional HVAC air distribution system, or duct system, is not required for system operation.
    • A ductless HVAC system can be used to cool or heat your entire living space. It can also supplement your existing HVAC system or condition hard-to-reach areas of your home.
    • Ductless systems are fully customizable, allowing you to mix and match indoor and outdoor units to create the system that most closely meets your needs.
    • Ductless systems can be as much as 50 percent more energy efficient than similar-capacity ducted models.
    • A ductless system consists of a single outdoor unit connected to one or more indoor units, which can allow the homeowner to save even more money on utilities by using only those units that condition occupied rooms.
    • A ductless air conditioner can be used in places where portable window air conditioners can't — such as in a room that doesn't contain a window.
    • Ductless systems maximize efficiency by eliminating the warm or cool air losses that typically occur with traditional ductwork.
    • Ductless systems eliminate the need for duct cleaning, maintenance and repair.
    • Ductless HVAC systems operate more quietly than their ducted counterparts.
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  • Why can't you add coolant to my system without checking for a leak or repairing an existing leak?
  • Since July 1, 1992 it is illegal to release refrigerants into the atmosphere, either intentional or accidental, because they can cause severe damage to the ozone layer. When refrigerants such as Chlorofluorocarbon’s (CFCs) are removed, they should be recycled to clean out any contaminants and returned to a usable condition. Top ?
  • How are air conditioners typically sized to meet the cooling needs for my home?
    • Your comfort while using air conditioning depends both on reducing air temperature and removing humidity. An air conditioner should ideally run for 20 minutes or more on each cycle to cool the indoor air and to reduce humidity.
    • Oversized air conditioners run in short inefficient cycles. They waste energy since they must run for a few minutes at the beginning of every cycle just to cool down the indoor coil and ducts. Only then can they can cool and de-humidify your home. That original cool-down energy is wasted after the air conditioner shuts off.
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  • How does the Clean Air Act impact heating and cooling systems?
  • The portion of the Clean Air Act that applies to the Heating, Ventilating and Air Conditioning (HVAC) industry encourages the development of ozone-friendly substitutes for chemicals that contain ozone destroying chlorine, which are called hydrochlorofluorocarbons (HCFCs). The chemical refrigerant of choice for more than four decades, referred to as R-22, is in the HCFC category. R-22 is widely used in heat pumps and AC condensing units to heat and cool homes. Today, a refrigerant called R-410A is used because of its ozone-friendly properties. Top ?
  • How does insulation affect my cooling needs?
    • A poorly shaded home with little insulation and lots of air leaks might need a ton of air conditioning for every 400 square feet of floor area. A well insulated and well-shaded home with few air leaks might only need one ton per 1000 square feet.
    • Contractors size air conditioning systems using computer programs or extensive hand calculations. To ensure correct sizing, ask your contractor to show you the written calculations for your home. Then have them install the smallest size air conditioner capable of cooling your home.
  • Top ?
  • What is the importance of EER?
    • There are many goals and benefits of utility sponsored Efficiency Programs. Among these is education for the purpose of using energy wisely. From this a rating system to establish standards for energy consumption has been developed.
    • One way to measure energy consumption is Seasonal Energy Efficiency Ratio (SEER). SEER is a measure of efficiency over an entire cooling season. SEER ratings are useful in determining the amount of energy used and the amount of energy saved. Often, the unit of measure associated with SEER is kilowatt-hours (kwh). A kilowatt is 1000 watts used for 1 hour. SEER = Seasonal BTUs of cooling / Seasonal watt- hours used.
    • There is more to energy consumption than kwh. Another measure of energy (and thus energy efficiency) is demand. Demand is the maximum amount of electricity used by an air conditioning system. This usually occurs at start up. The unit of measure associated with demand (or peak) is Energy Efficiency Ratio or EER. EER = BTUs of Cooling @ 95F / Watts used @ 95F. Almost all air conditioning units are tested under the same controlled and specific laboratory conditions to determine the EER rating.
    • Your local sponsors, and the country as a whole, are concerned about using energy efficiently. Efficient usage occurs both in the seasonal and peak arenas. Many advocacy partners in the industry recognize SEER alone does not address demand savings. Use of EER as an industry standard is in an attempt to for continued improvement in demand performance.
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  • What is meant by a ‘ton’ of refrigeration?
  • Confusingly, the unit has little to do with weight, as used in everyday language. One ton of refrigeration is the term used to refer to 12,000 B.T.U.s/hour (British Thermal Units/Hour) of cooling effect. Thus, a condensing unit with a cooling capacity of 60,000 B.T.U.s/hour is said to have a capacity of 5 tons Top ?
  • How does the Clean Air Act impact heating and cooling systems?
  • The portion of the Clean Air Act that applies to the Heating, Ventilating and Air Conditioning (HVAC) industry encourages the development of ozone-friendly substitutes for chemicals that contain ozone destroying chlorine, which are called hydrochlorofluorocarbons (HCFCs). The chemical refrigerant of choice for more than four decades, referred to as R-22, is in the HCFC category. R-22 is widely used in heat pumps and AC condensing units to heat and cool homes. Today, a refrigerant called R-410A is used because of its ozone-friendly properties. Top ?
  • What is radon?
  • Radon is an invisible, radioactive atomic gas that results from the radioactive decay of radium, which may be found in rock formations beneath buildings or in certain building materials themselves. Radon is probably the most pervasive serious hazard for indoor air quality in the United States and probably responsible for thousands of deaths from lung cancer each year. Proper testing can be done for the presence of radon and measures taken to minimize it affects. Top ?
  • Six Facts about Air Conditioning and Indoor Air Quality
  • 1. US Environmental Protection Agency says that indoor air pollution is one of the top environmental risks to public health.

    2. Over 20 million Americans have allergies to air allergens, i.e. hay fever.

    3. An estimated 15 million Americans have asthma.

    4. Kids are in general much more vulnerable to indoor air contaminants than adults.

    5. Dust mites cause many allergic reactions that are often mistaken as flu, virus or common cold.

    6. Mold and spores grow in damp space. Improperly insulated ducts and dirty air handlers that cause water condensation can be health hazards. Top ?
  • Your Central Air was working fine last summer but now that you've turned it on again, the HVAC doesn't Work.
  • During the winter, did you have any work done on the heat in your central air system?

    If the answer is yes, there's a good chance that the Central AC company reversed the wires when working on the heat. Have the Central AC contractor come back and repair their mistake. Top ?
  • How often should I replace the filter?
  • There’s no one-size-fits-all answer. The frequency of filter changes is driven by how much your heating and air conditioning system operates, which is also driven by your individual climate.

    Start by checking the system’s filters at least once a month. Hold the used filter up to the light and compare it to a clean “spare.” When light is obscured by captured dust and dirt particles, the old filter should be changed. Keep a record for one year and then replace the filter on that basis. At a minimum, it is always a good idea to change filters at the start of the heating and cooling seasons and then in between according to your need. Also, it is a good idea to have your heating and air system checked at the beginning of heating and cooling season to insure proper operation. Top ?
  • Why should I replace my working furnace or air conditioner?
  • Although your present furnace or air conditioner may be working, if it is more than 12 years old you should consider replacing it with a new high efficiency system. A new heating and air conditioning system could save up to 50 percent on energy costs, and save you money in the long run on heating repairs. While these products save you money on your utility bills, they also offer a better degree of comfort within your home. Top ?
  • What is a Zoning System for HVAC?
  • Zoning divides your home into separate comfort areas and makes your comfort equipment cool or heat only areas that need conditioning. For example, a living room with large windows may stay too hot in the summer and too cold in the winter. A zoning system will send more conditioned air to the living room to make up for the heat gained or lost through the windows.

    Why zone? Today's families have different lifestyles and comfort needs. Maybe you have a home office that needs extra conditioning during the day and none at night. Or you only use the upstairs or back bedrooms when guests visit. Whatever your needs, zoning can keep each area of your house at the perfect temperature for you and each family member.

    When should I install zoning? If you are replacing your air conditioner, furnace or heat pump, it is an excellent time to install a zoning system. When you new comfort equipment is matched with a zoning system, you will have precise control in each zone. Houses that had been nearly impossible to keep comfortable are a thing of the past. Zoning is also excellent for new homes since it is installed during construction. If you are buying a new home, check with your builder about a zoning system. It could make the difference between just enjoying your new house and being truly comfortable in it. Top ?
  • What does it mean when my A/C freezes up?
  • Icing on the condensor coil on the indoor portion of your air conditioner, or ice on the refrigerant lines outside can be caused by several conditions. The most common culprit is reduced or restricted airflow from a dirty air filter or restricted air ducts. In some instances, a refrigerant (commonly called Freon) leak can cause a condition where ice accumulates on the indoor coil. This condition may damage your system, so report any ice buildup to Service Experts as soon as possible. Top ?
  • Why does my air conditioner keep running?
  • More than likely the air conditioner is undersized and/or working harder to keep to the desired indoor design temperature. An air conditioner works properly and efficiently at the temperature it was designed to achieve during installation. If there are hotter than normal days, the A/C will try to maintain the indoor design temperature. This does not necessarily mean there is an undersized unit. It means that the particular hot day is outside the normal range of the calculated design for the A/C unit. A proper load calculation from an air conditioning contractor can determine if the air conditioner is properly sized for the geographic location. Top ?
  • Should I have a new programmable thermostat installed with my new system?
  • Programmable thermostats are an excellent tool to save energy. You can program the thermostat so that it raises and lowers the temperature automatically to coincide with your needs. They are particularly effective when your household is on a regular schedule and the program operates continuously. Aside from lowering your energy bill, a programmable thermostat offers additional comfort (i.e. Wake up to a warm bathroom.) Top ?
  • What causes ice to build up in an air conditioner?
  • Icing can be caused by a number of factors. Units that have not been cleaned over a long period of time may have coils and fins clogged by dust, dirt or debris. Clogged coils and fins restrict air flow through the unit, which can cause the compressor to work even harder – so hard, that it may reduce the coil temperature below the normal range in an attempt to make up for the lost cooling power from the blocked coils. Another potential cause is running a unit with a very cold set point (i.e. turning the target temperature down very low) on low fan speed for an extended period of time. This can cause excess condensate to build up on the coils, further lowering the temperature of the coil and leading to icing. Top ?

    Why is it important for an air conditioner to dehumidify?

  • Air conditioners keep you comfortable by removing heat and moisture from the air. To do both effectively, the unit must be properly sized for your space. If the capacity is too low, you may never feel quite cool enough. When the capacity is too high, the unit produces so much cold air so quickly that the room reaches the desired temperature before the unit has adequate run time to dehumidify. The result is a cool but clammy room that can feel just as uncomfortable as one that is not cool enough.
 
 
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