The Inspection
Heating/Cooling
The heating and cooling systems in the home will be operated through a normal cycle and the system operation will be checked for what is typical of the day to day use. Whenever possible, and readily accessible, service panels will be opened to inspect the interior of the equipment. It is possible that on the extremely hot days the heating system will not be operated so as to not make the home uncomfortable for the habitats. As well on days where the ambient (outdoor) temperature is below 15ºC it can actually be harmful to the equipment to operate the A/C system. The limitations will always be discussed with the client.
Examples of other findings:
(click on photo to enlarge)
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The condensing unit of this A/C system is not sitting level. Having the unit level will allow it to run smoother and quieter with less stress on the bearings in the mortor on the condensing fan. Inside the unit the compressor will be better lubricated because the oil will be evenly distributed.
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I made a little girls day when I found her missing Barbie shoe. A representative number of air ducts are checked to confirm what condition they are in and to check air flow. The recommendation for air duct cleaning is every 4 years. This could be reduced if there are many pets in the house. Some areas where there is allot of construction could affect this as well, particularly in new home developments.
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This was a good find. The grill you see was in the main level floor. Assumedly it was a return air grill. What the picture doesn't show is that the top of the duct work had been cut open to allow flow from the duct work to the grill. First the duct work should be tied in properly. Second they are using this for supply, so not only is most the air coming out of the duct heading off and being lost in the basement ceiling, but the lack of restriction is robbing the floor registers further down stream.
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Here the line set at the duct work on the furnace is not sealed. The large line in the picture carries the condensed liquid refrigeration back to the unit outside. This is the pipe that you sometimes see wet. The insulation that is missing on the last 6 inches could cause condensation on this line and possible leaking on the unit or floor in this area. Also the air leaking around the pipes at the ductwork into the surrounding room makes the unit run inefficiently.
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On the mid and high efficient units with power vents, it is important that the ventor compartment be checked regularly by your service technician for signs of leaks. Because the hot gases are cooled rapidly during the process, condensation is created. Although there are provisions within the unit to dispose of the condensation, the clamps can leak. Water in the carcase of the unit can rust the metal and can cause shorts in the electronics of the system, typically directly underneath the vent motors.
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The connection on this duct work had separated and the proper air flow was not being delivered to the room above.
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Home Inspections throughout the Ottawa area,including Barrhaven,Kanata,
Riverside South and Orleans
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