Modern hvac systems come with multiple components.
Hvac unit within 6 of attic access.
The opening passageway must allow for unobstructed access.
If they had to replace the unit they would have to install stairs to repalce the unit.
Attic hvac systems save space.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.
I am in zone 6 by the way.
Long time reader newly started posting messages.
The opening needs to be large enough to remove the unit.
For i think the first time in newer construction warranty inspection i came across one with just a little scuttle hatch instead of a attic stair.
List of the pros of a furnace in the attic.
If you are thinking about placing your hvac system core at the top of your home instead of the bottom then these are the furnace in the attic pros and cons to review today.
My attic ducts are insulated to what i believe is r 6 and the attic is currently insulated to r35 with blown in fiberglass.
So should you immediately call for help from hvac professionals to start the process of moving and installing your units up in the attic.
At first glance it can seem like a potentially perfect solution.
Attic furnace passageway and service area electrical requirement.
When you decide to trade in your room air conditioner for central air you ll have decisions to make including where.
Having it installed in the attic ensures that it is 100 percent protected from flooding caused by plumbing leaks and overflows.
Leaks and overflows on a given floor will seep through the floors to affect everything below it including your hvac system.
Attic hvac systems also require shorter ducts.
Romex wire is perpendicular to ceiling joists so joists can t be used as running boards.
So why put an hvac system up in the attic at all.
My furnace and most of the duct is already in the conditioned space and it seems to be very complicated to bring the attic ducts back in the envelope.
Electrician ran the 240 volt romex wire feeding hvac next to the attic acces laying over the joists.
The attic is out of the way rarely used for anything besides storage and is generally easy to access.
Can you put your air conditioning unit in the attic with blown in insulation.
Got a question for the gurus.
The passage must not be smaller than 30 high x 22 wide and no longer than 20 unless it s at least 6 tall and then no more than 50 passageways must have a solid floor no less than 24 wide.
All wiring to be protected within 6 feet of attic access just wondering if this is irc or nec code.
Maybe but maybe not.
Attic furnace access passageway and platform.
I have part of my ductwork in my attic.
You can save a lot of space with a furnace in the attic.
Is there a requirement for certain size or type access to furnace air handlers in an attic.
Your hvac system will require shorter ducts.
