"How To Perform Energy Audits" Course

(Patrick W. Coder, HI01500075) #21

Morning

(Patrick W. Coder, HI01500075) #22

Read a peace on barbecues

(Alvaro Hernandez) #23

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“how to perform energy audit”

This picture is from a home inspection I did where when I inspected the attic I came across a duct that was completely disconnected from its register/boot. This was an extremely important find due to the amount of heating and cooling loss that was just being dumped into the attic space and not into the conditioned space of the home

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(Alvaro Hernandez) #24

HOME OWNER MAINTENANCE; CHANGINF THE FILTER

This topic is one of high importance to me being that I worked hvac for 3 years and learned how easy a dirty filter can ruin your day and wallet. A dirty filter can cause so many issues which include but not limited to lack of air flow, circulation, clean air, burned blower motor and or frozen coils. Its amazing to me how a 2$ filter can cause thousands of dollars in damage.

(Alvaro Hernandez) #25

INCREASING HOME ENERG EFFICEINCY

Making your home more efficient is a must. So many benefits from it but the biggest 2 in my opinion are saving money and being comfortable. When it comes to saving money how can you say no and with little to no major cost. Many home owners themselves could make some of the base load upgrades.

(Alvaro Hernandez) #26

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In this inspection that I did I found an exposed electrical wire in the panel box that needed repair/correction. Leaving this wire exposed can cause major problem if it came in contact with metal or another wire to short out. I noted it in my report and informed customer of the issue.

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(Alvaro Hernandez) #27

ASBESTOS

Asbestos is a scary thing to find in a house and even more so if you are not educated about it. Many people know it can be harmful but don’t know if its something that they can remove themselves or not. I feel that more education should be put in place for first time home buyers and help people become aware.

(Alvaro Hernandez) #28

GARAGE INSPECTIONS

Garage inspections can be very tricky and misleading. To the naked eye one may just see a simple 4 sided room and a door but there is so much more to that. From having gfci protected outlets to having a self closing mechanism on the entry door to the main living area. these are things most people are oblivious to and need more info on.

(Robert P. Stanley) #29

Performed Energy Audit for home in Placitas, NM. Inspection revealed multiple areas of energy loss.

  1. Front Door of residence shows evidence of air leakage that has been taped to prevent air penetration and whistling.
  2. Thermal Pane Door shows loss of seal between panes. Similar evidence of seal damage seen in several windows.

(Benjamin C. Clarke) #30

A leak was discovered inside the exterior wall at the basement bathroom with a thermal imaging camera. The finding was confirmed utilizing a moisture meter, reading very high moisture content of 33% the sheet rock behind the toilet. It appears the copper supply pipe in the exterior wall, at the hose bib froze and ruptured/was damaged. Recommend the supply line to the exterior hose bib be properly repaired by a qualified Plumber prior to closing. (Note: access to the damaged supply line will most likely be through the interior drywall. Allow for removal and replacement of the plumbing fixtures, proper drywall repair and painting)

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(Benjamin C. Clarke) #31

Hello Mr. Jones Ben Clarke here with Certified Building Inspections here to audit the air tightness of your home. “Well thank you Mr. Clarke I hope you can help us out with this drafty old house”. Very well Mr. Jones, I’d like to briefly explain to you the process of we will be determining how air tight your home is. “Ok thanks”! First of all the goal is to determine in a quantitative way, how air tight your home is by closing all of the exterior openings, applying a negative pressure to your home and measuring the cubic feet per minute with the blower door. The blower door utilizes controlled differences in air pressure to collect data. By measuring the pressure and airflow in relation to each other, the air tightness of the building envelope can be quantified. Once I have established a negative pressure at 50 Pascals I will inspect the interior area of your home, to detect air leakage. “Wow that sounds great”! Here we go, I can see right off the bat that this basement door is leaking really bad and the insulation should be replaced, see the picture? “Wow it looks pretty leaky, yes feel the breeze on the back of your hand “I sure do” Now lets go upstairs and take a look. Do you see the temperature difference in the attic access door? " I think so, do you mean that dark blue square in the middle of the picture”? Yes, that tells me you should insulate the access cover to your attic, you can purchase insulated tents to install over the door. By looking at this picture, you can literally see your heat going right out of the roof! Thank you for your time Mr. Jones, I will follow up with a written report within the next 24 hours.

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(Benjamin C. Clarke) #32

Building Orientation for Optimum Energy
(A conversation between two friends)

So Mike this is your new building lot. “Yes I’m pretty happy with my little piece of paradise, I’m trying to figure out the best placement of my new home to optimize passive solar energy”. Well Mike, I would be glad to talk with you about that a little bit, lets take a look. As you know the Sun rises in the East, and sets in the West, but really that only happens on the Vernal and Autumnal Equinoxes, in the Summer the Sun is more in the Northern Hemisphere, and in the Winter the sun is more in the Southern Hemisphere because the Earth is tilted. Of Course the Sun crosses over into the southern sky during part of the day.
Generally the ridge line of you house should run from East to West in reference to the Sun and not magnetic North which can vary significantly from the Suns actual position during the season.
Mike another factor you should consider is the floor plan orientation. The floor plan should take into consideration, that the rooms most frequently used like the kitchen and living room, be situated on the Southern side. Likewise Laundry and garages and other less used rooms should be situated at the Northern part of the house. “That makes a lot of Sense”!

Let not forget the prevailing winds Mike. Generally speaking, cold Winter winds come from the North and West, which can be limited by planting windbreak trees such as evergreens, and using insulating glass the these sides of the house. “That’s some great information, thank you so much!” “I think the house will look great running the ridge line East to West, and planting the Evergreen wind breaks on the Northern side of the house”

(Greg R. Douglas) #33

Hi Forum:
I am taking the course on effectively performing energy audits. Thus far, it has been VERY informative and enjoyable. I’m posting a photo of a very old HVAC condensing unit. The unit was powering on at the time of the inspection; and for all intents and purposes was functional within its previously established baselines. The energy consumption of this unit would, however, be abysmal by current standards. In addition, the placement of the dryer exhaust termination point near the outdoor unit is problematic.

(Greg R. Douglas) #34

I just finished reading the articles related to garage inspections and inspections of adobe siding. What I find striking about both of these articles; what they both have in common, is the admonition for myself, as an inspector, to look at general clues and as a result, take a careful, detailed look further. I have a background in law enforcement; and I have transferred some of my terminology from my background in law into my current career as a home inspector. I refer to the above noted as my “index of suspicion”. I apply this phrase in my thought process’ for inspections of any kind. This essentially refers to picking up a general or subtle clue that a particular system or component just “isn’t right”. Based upon that, my suspicion is raised, and it causes me to make a more detailed inspection of the given system or component. I am admonished by these articles to be diligent in my attention to detail, as well as paying attention to a raised index of suspicion, when the conditions or circumstances warrant.

(Jeffrey M. Robbins) #35

Working on becoming a certified energy auditor

(William Barnhart) #36

The condensing unit for the HVAC system was located on a concrete pad just outside the house. Notice that the pad was level and provided adequate support for the condenser unit. Also, note that there was adequate clearance around the condenser unit which enables proper air circulation. As a best practice, consider providing a canopy over the condensing unit to create shade. Shading the unit can increase energy efficiency and save money on energy bills by up to 5% during the summer.

(Brad Farish, TREC 20886) #37

The photos of exterior doors shown show light coming in through the side of the door with the door closed. The light coming through indicates an opening that will allow air to pass through.
This indicates possible improper installation of the door and / or inadequate weather stripping.
The opening will allow cold air to pass through to the inside during the winter and cool air to pass through the door to the outside when the AC is on inside during the summer. Both occurrences will cause higher utility bills. Recommend review by a specialist for correction.

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(Brad Farish, TREC 20886) #38

The photos of exterior doors shown show light coming in through the side of the door with the door closed. The light coming through indicates an opening that will allow air to pass through.
This indicates possible improper installation of the door and / or inadequate weather stripping.
The opening will allow cold air to pass through to the inside during the winter and cool air to pass through the door to the outside when the AC is on inside during the summer. Both occurrences will cause higher utility bills. Recommend review by a specialist for correction.

(Brad Farish, TREC 20886) #39

The photos of exterior doors shown show light coming in through the side of the door with the door closed. The light coming through indicates an opening that will allow air to pass through.
This indicates possible improper installation of the door and / or inadequate weather stripping.
The opening will allow cold air to pass through to the inside during the winter and cool air to pass through the door to the outside when the AC is on inside during the summer. Both occurrences will cause higher utility bills. Recommend review by a specialist for correction.

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(Brad Farish, TREC 20886) #40

**I read the contradicting articles of Advantages of Solar Energy (“pro”) and Disadvantages of Solar Energy (“con”). The “pro” article states the advantages far outweigh the disadvantages. I feel this statement is used and passed over without proper comparison and /or explanation. **
**There are two topics mentioned in both articles; cost and environment. It would require a great deal more in depth explanation to truly determine if the advantages to environment; i.e. low emissions and less fossil fuel outweigh the disadvantages of cadmium and lead released into the environment if solar power is used on a broad scale. **
**As far as cost; it is true that Solar energy can produce lost cost energy in the long run; however the time period for payback, the unpredictable nature of availability of the sun, the cost of installation, possible damage to the structure and the lifespan of the system may not allow payback at all. **
I feel solar energy is viable for the future; however not in all locations and not for all facilities for retrofitting.
**Solar farms similar to wind farms may be in the future. **