In one recent case the blower was caked with drywall and saw dust there was a coke can in the compartment and bits of drywall oh yes there was a new clean filter in place.
Drywall dust furnace filter.
I just looked at one the other day.
The furnace has never had a filter installed since day one and the inside of the furnace 90 rheem looks like a flour bomb went off in there.
The minimum efficiency reporting value merv scale goes from 1 to 16.
Their sole function is to keep large particles of dirt dust hair etc.
To keep the vents closed the furnace has to be off.
Choosing the right furnace air filters for your furnace.
If it is a high efficient furnace clean the secondary.
How much you want to spend what you re trying to filter and how diligent you are about changing the filter are all considerations.
Every business owner that i have asked about the drywall dust problem has told me the same thing.
At least i don t have to warranty it.
What can i give my clients that will arm them to ask for a proper cleaning a new furnace or an extended warranty in these cases.
Can clog coils coat electric motors causing overheating and coat fan blades causing inefficient air movement.
Even with precautions there will be some.
From clogging the furnace and air conditioning equipment.
Minnesota home inspector roger hankey describes the causes and effects of dust contamination in hvac systems that occurs particularly when the air handler is operated during construction such as as a space heater or as an air conditioner.
The first one is that you need to turn off your furnace or central air depending on the time of year.
This article describes drywall dust or construction dust contamination of air conditioning or heating system air handlers.
Foaming coil cleaners are usually called no rinse this only applies in ac mode.
Turn off furnace central air.
Replace furnace filters regularly during a renovation even more often than you normally would.
This is the best way to reduce the amount of dust that gets in your vents.
Drywall dust alone cleans up easily blow it out dry then vac.
The furnace filter was caked with drywall dust and debris councillor raises new home building code concerns amid inspector shortage cardinal creek homeowners locked in battle with builder.
If you don t know what that is hire a pro.
Keep the furnace off if possible.