International Association of Certified Home Inspectors
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| Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections. |
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#1
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Hey guys, saw holes drilled in a return ( about 50 of them ) right at the unit in a basement, code I believe says you cant have any openings in a return within ten foot of the unit as it can pull combustion gases into the dwelling, is that true with a enclosed chamber that draws combustion air from the outside ? I wrote it up and the answer was to draw moisture out of the basement. I also wrote it up as the ducts may not have been figured correctly and they needed more warm air for the air handler. What are your thoughts thank you. Also what is the pitch on a gas water heater exhaust.
Thanks Ron |
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#2
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Best engineering practice is not to draw any return air from a non-conditioned space. Personally I would not want any old damp mold potential air circulating through out my living space. I don't follow your thoughts on the statement I high lighted in your post did the basement have supply air ducts provided. Freedom Express Inspections LLC CMOR Thermography Certified Level III #8486 freedomexpressinspections.com www.oklahomathermalinfraredimaging.com freedomexpress495@att.net NACHI Member Okla. State DEQ Environmental Phase One Certified Master HVAC Mechanic (Retired) Certified Universal Freon by 40CFR 82 Sub-part F State License # 130 Serving the States of Okla, Texas, Kansas, Missouri , Arkansas and New Mexico with Commercial Inspections,Thermal Imaging |
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