how to inspect air conditioning systems course

Full Answer

What do inspectors not look at when inspecting air conditioning systems?

Inspectors do not have to determine the balance of the system, its BTU capacity, its size, or its ability to adequately supply heated or cooled air to the building. You are not required to determine (according to the InterNACHI Standards) the size, BTU or tonnage of the air- conditioning system.

How do you inspect the HVAC system?

Get behind vegetation, and look under things, crawl under, reach up, look into, and touch, measure and probe. Time The exterior, including the roof system and exterior HVAC components, may take up a third of the total time of the home inspection. Destroyer Water (or moisture) is one of the main concerns when inspecting the HVAC system.

Can I perform an HVAC inspection after taking the online course?

After successful completion of the online course and exam, you should be able to perform an inspection of the HVAC system of a residential property, according to the InterNACHI Standards of Practice for Performing a General Home Inspection.

When is it recommended that the heating system be inspected?

It is recommended that the system be inspected before the heating season. The technician can ensure the continued safe operation of the heating system. ~ 69 ~ QUIZ 6 1. A ______ is approximately the amount of energy needed to heat 1 pound of water to 1 degree Fahrenheit.

How do you inspect an HVAC system?

How to Conduct a DIY HVAC InspectionMake sure your thermostat is working properly. Start by checking your thermostat. ... Shut off the power. ... Remove debris from the external HVAC unit. ... Clean and repair the fins. ... Clear the area around the unit. ... Level the HVAC unit. ... Clean the evaporator coil. ... Check the evaporator drain.More items...

What are 4 important factors to consider in designing the overall of a HVAC system?

What Are the Most Important Factors to Consider in Air Conditioning System Design?The type of air conditioning system.The size of the system and the available space.Ducts and ventilation.Cooling loads.Energy efficiency.Cost-effectiveness.Health and safety requirements.

How do I become a HVAC inspector in Texas?

How to Get a Texas Home Inspector LicenseComplete Education Requirements. Learn More.Submit Online Application to TREC. Learn More.Take Exam Prep Class and Practice Exams. ... Get fingerprints taken and pass background check. ... Pass the State Exam within One Year of Filing Application. ... Complete annual Continuing Education (CE)

What are the four main components of HVAC?

There are four major components of an air conditioning system. They are the evaporator, condenser, compressor, and expansion valve. Each of these air conditioner components functions in sync with each other and has a specific job to do – to keep your air conditioner running like a well-oiled machine.

What is the principle of HVAC?

HVAC system works on the principles of thermodynamics, fluid mechanics and heat transfer. All these fields come into play in various components of HVAC. IAQ Indoor air quality is the quality of air inside the building or structures as mostly related to health and safe keeping of its occupants or items/goods placed.

How do I become EPA certified?

Technicians are required to pass an EPA-approved test to earn Section 608 Technician Certification. The tests are specific to the type of equipment the technician seeks to work on. Tests must be administered by an EPA-approved certifying organization. Section 608 Technician Certification credentials do not expire.

How much does it cost to get HVAC certified in Texas?

a $115To obtain a Texas HVAC contractors license, you must pay a $115 licensing fee and fulfill one of the following experience requirements: Have at least four years of experience working under the guidance of an HVAC contractor that is licensed within the past six years.

How do I get AC certified in Texas?

You must be able to provide proof of 3-4 years of professional experience shadowing an expert. You must apply to take the ACR certification exam. You must decide whether you would rather pursue a Class A or B license. You must take and pass the ACR exam, then use this skill to find a job in the HVAC field.

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Where is the HVAC unit located?

The outdoor condenser unit may be in dark shade, under dense vegetation, or under a structural covering, such as a deck or balcony. Inside the house, the HVAC system may be located in an attic, crawlspace or dark basement.

What is a general home inspection?

The general home inspection is based on the observations made on the date of the inspection, and not a prediction of future conditions. II. The general home inspection will not reveal every issue that exists or ever could exist, but only those material defects observed on the date of the inspection. 1.2.

How much air does a gas furnace use?

Therefore, a conventional low-efficiency, standing-pilot gas furnace requires about 30 cubic feet of air (15 dilution plus 15 combustion) for every cubic foot of gas burned. If combustion air is inadequately supplied to a gas furnace, carbon monoxide will likely be produced. Carbon monoxide can be lethal. Draft Types.

What is a non-condensing furnace?

A typical non-condensing, mid-efficiency oil furnace uses less oil than a conventional furnace. At a mid-efficiency, non-condensing unit, a burner shoots flames and heat into a combustion chamber. The chamber (or firepot) is usually made of some type of heat- resistant ceramic material.

What happens if the floor is colder than the ceiling?

If the floor, walls and ceiling of that room are relatively warmer than your body temperature, then heat will be radiated to your body from those objects and surfaces. ~ 16 ~.

Is indoor air quality bad?

The indoor air quality can be a health problem for those who are sensitive to dust or pollen, or those who have allergies. There is a variety of air filtering devices available. There are devices that filter dust, dirt, smoke, pollen, odors, bacteria, mold, and many other contaminants from the indoor air.