Auditing of hvac system slideshare

  • How do you assess an HVAC system?

    How to Conduct a DIY HVAC Inspection

    1Make sure your thermostat is working properly.
    Start by checking your thermostat.
    2) Shut off the power.
    3) Remove debris from the external HVAC unit.
    4) Clean and repair the fins.
    5) Clear the area around the unit.
    6) Level the HVAC unit.
    7) Clean the evaporator coil.
    8) Check the evaporator drain..

  • How do you assess an HVAC system?

    Check heater/furnace, gas connections and exhaust systems.
    Check the condensate drain and drip pans.
    Check the blower motor.
    Check safety equipment, surge protectors and failsafes are enabled.
    Assess the condenser, air handler or furnace, evaporator coil, electrical components and compressor..

  • How do you know when a HVAC system needs to be inspected?

    HVAC systems use more energy than any other part of a building.
    Therefore, they have the greatest potential for loss and waste.
    An audit will determine if, where, and why the system is using too much energy, and will let you know what you need to do to fix it..

  • How do you measure the performance of an HVAC system?

    Another key way to measure HVAC performance or output is to measure the temperature change at a given point.
    You can go to a particular area of the building and take temperature readings over time.
    How much the temperature goes down, and how fast it goes down, will indicate how well your system is working..

  • How long does an HVAC take?

    There may be other issues that the technician will run into with a full system install, as well, so the time frame is harder to narrow down for this situation.
    Typically, a full HVAC system installation will take anywhere from three to five days to complete..

  • How often should a HVAC system be maintained?

    Heating and Air Conditioning equipment, no matter what kind you have, should be inspected, cleaned, and serviced at least once a year.
    The best scenario is to have the heating system checked in the Fall and the air conditioning checked in the Spring..

  • How old is the average HVAC system?

    Here are the average life expectancies of different HVAC systems: Air conditioners and heat pumps: 10 to 15 years.
    Furnaces and boilers: 15 to 20 years.
    Geothermal: 30 years..

  • How to do an audit of HVAC?

    This involves both the preliminary work of gathering information from people, documents, and records and the hands-on work of inspecting the HVAC system components.
    For preliminary work, the auditor typically gathers information about the building's occupancy patterns and operating schedules..

  • What are the four purposes of the HVAC system?

    Heating – To increase the temperature of any central indoor space like a room, office or entire building.
    Cooling – To decrease the temperature of a space.
    Humidifying – To increase the moisture level of a space via the introduction of water.
    Dehumidifying – To mechanically eliminate excess moisture from a space..

  • What is a HVAC inspection checklist?

    Check heater/furnace, gas connections and exhaust systems.
    Check the condensate drain and drip pans.
    Check the blower motor.
    Check safety equipment, surge protectors and failsafes are enabled.
    Assess the condenser, air handler or furnace, evaporator coil, electrical components and compressor..

  • What is the audit of the HVAC system?

    How to Conduct a DIY HVAC Inspection

    1Make sure your thermostat is working properly.
    Start by checking your thermostat.
    2) Shut off the power.
    3) Remove debris from the external HVAC unit.
    4) Clean and repair the fins.
    5) Clear the area around the unit.
    6) Level the HVAC unit.
    7) Clean the evaporator coil.
    8) Check the evaporator drain..

  • What is the audit of the HVAC system?

    HVAC systems use more energy than any other part of a building.
    Therefore, they have the greatest potential for loss and waste.
    An audit will determine if, where, and why the system is using too much energy, and will let you know what you need to do to fix it..

  • Where are HVAC systems usually located?

    It is usually located in an area such as a utility closet (by a cold air return), garage, attic, basement, or crawlspace; in the case of a heat-pump (a dual-system) it will be located outside of the home..

  • Who controls HVAC?

    More complex HVAC systems can interface to Building Automation System (BAS) to allow the building owners to have more control over the heating or cooling units.
    The building owner can monitor the system and respond to alarms generated by the system from local or remote locations..

  • Why is the HVAC system important?

    The main purposes of a Heating, Ventilation and Air-Conditioning (HVAC) system are to help maintain good indoor air quality (IAQ) through adequate ventilation with filtration and provide thermal comfort.
    HVAC systems are among the largest energy consumers in schools..

  • A space-conditioning system (also referred to as HVAC system) is made up of the heating subsystem (also referred to as heating unit or heating equipment or heating system), cooling subsystem (also referred to as cooling unit or cooling equipment or cooling system) (if any), the distribution subsystem details and fan
  • Another key way to measure HVAC performance or output is to measure the temperature change at a given point.
    You can go to a particular area of the building and take temperature readings over time.
    How much the temperature goes down, and how fast it goes down, will indicate how well your system is working.
  • Check heater/furnace, gas connections and exhaust systems.
    Check the condensate drain and drip pans.
    Check the blower motor.
    Check safety equipment, surge protectors and failsafes are enabled.
    Assess the condenser, air handler or furnace, evaporator coil, electrical components and compressor.
  • Heating and Air Conditioning equipment, no matter what kind you have, should be inspected, cleaned, and serviced at least once a year.
    The best scenario is to have the heating system checked in the Fall and the air conditioning checked in the Spring.
  • HVAC is an important part of residential structures such as single family homes, apartment buildings, hotels, and senior living facilities; medium to large industrial and office buildings such as skyscrapers and hospitals; vehicles such as cars, trains, airplanes, ships and submarines; and in marine environments, where
  • HVAC.
    Heating, ventilation and air-conditioning.
    Also referred to as “environmental control systems”. indirect impact system.
    A system that is not expected to have a direct impact on product quality, but typically will support a direct impact system.
  • In general, most HVAC systems will last 15 to 25 years, but depending on the type of system and other contributing factors, that estimate can be highly variable.
    Even with HVAC maintenance and regular repairs, eventually, even the best boilers, furnaces, heat pumps, and air conditioners today will run their course.
  • Introduction to HVAC • Heating, ventilation, and air conditioning (HVAC) • It is the technology of indoor and vehicular environmental comfort. • Its goal is to provide thermal comfort and acceptable indoor air quality.

How to check a HVAC system?

4) Inspection of HVAC system Visual check Function check and check of the control equipment, especially the thermostats

Cleaning of the filters and heat exchangers, condenser and evaporator

Inspection of air delivery systems in treated space

Inspection of system controls

,Fig,Thermostat

What is the purpose of HVAC system?

,H,V,A,C

SYSTEM • THE PURPOSE OF A HEATING, VENTILATING AND AIR CONDITIONING (HVAC) SYSTEM IS TO PROVIDE AND MAINTAIN A COMFORTABLE AND SAFE ENVIRONMENT WITHIN A BUILDING FOR THE OCCUPANTS OR FOR THE PROCESS BEING CONDUCTED

• MANY HVAC SYSTEMS WERE NOT DESIGNED WITH ENERGY EFFICIENCY AS ONE OF THE DESIGN FACTORS

,FUNCTION… 5

Why do you need an HVAC audit?

An HVAC audit will help to keep all of this in line by producing the best possible air quality for your particular type of business

To convince the controllers of the purse strings to pony up for improvements

Your building’s HVAC system may need serious attention

You may even have the best idea in the world for a brilliant green retrofit


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