Well, there’s no specific building code requirement for the bathroom vent location / exhaust fan installation. You can have it anywhere on the ceiling or wall … I guess the floor would be also OK , but I’ve never seen such installation. The one you see on the picture is slightly above the floor level, [...]
Bathroom vent CFM calculator uses 3 stage formula located below. It is based on HVI (Home Ventilating Institute) guidelines that recommend approximately 8 room air exchanges per hour for a bathroom under 100 square feet of area. CFM – cubic feet per minute – general term used to specify the amount of air that the [...]
House attic vent chutes (also called baffles or rafter vents) play an important role in your attic ventilation system. They serve three functions: provide unobstructed air passage between the soffit and the attic allow installation of attic floor insulation close to the soffit, without worrying about clogging the soffit ventilation ports with insulation allow for [...]
In HVAC trade, just like in any other, there are some basic rules that anyone performing the job should follow. Not because somebody wrote them down, but because there’s a reason to follow them. Many of the rules are common sense. Some must be just taken for granted, but all should be followed if you (the installer) are being paid for it. This short story is just another proof that Chicago's new condos are rarely (if ever) inspected by the city building department inspectors. Is your gas furnace installed above the condo ceiling? Look up there, and imagine yourself crawling and performing any type of maintenance on it.
Making seasonal inspections of your furnace and air conditioning system makes sense, and I’d highly recommend having it done on a regular basis on any age furnace and AC units. The question is – do you trust your HVAC guy? Most people do, because they are always very happy to announce at the beginning of [...]