If you were to use your home boiler without an air filter, all that dust and dirt could get trapped in the system and cause a fairly large build-up. Over time, these accumulations can clog and damage the system. To protect and extend the life of your system, we recommend that you only operate the boiler with an air filter. In that case, other homeowners have reported that running overnight without an air filter should be fine.
Even so, they only advise you to do so if absolutely necessary. At most, you can run it for two days without a filter. The preferred option is to run the filter for a day without it. Well, technically you can operate your oven without a filter.
It will work without one, but it will risk damaging your system and your health and the health of your family, and that's simply not worth it. If there is no filter, all the air in your home is recirculated without any type of filtration. You may start to notice an increase in requirements for removing dust from furniture and flooring. And if someone in your household has an allergic sensitivity, not having a filter can make allergies much worse.
You can stock up on filters from your local hardware store or from some technicians, but don't wait for technical service before making the change. You can use it for a short period without problems, such as an hour or two, but it's best to buy a large filter, cut it in size and force it to fit if you have to order a custom filter and just buy time. Like pet dust and dander, bacteria and viruses are trapped and feed through the ventilation system over and over again without a filter. However, regardless of your appearance, you should change your filter after three months for the 1″ filters and every 6 months for the 5″ filters.
Contrary to popular belief, the primary purpose of an oven filter is to protect your HVAC equipment. It's called Air Beast and it has 65% more filter media to provide greater air flow to the system with a large filtering capacity. The filter prevents this from happening, so it's important to have a filter in the oven at all times. In addition to all the problems you can cause with your HVAC, not running the boiler with a filter can also increase allergies and household dust.
If there is no filter that provides such protection, the internal functioning of the oven may become covered with dirt. Since filters aren't designed to work indefinitely, even if you have a filter in your oven, it could clog up if it hasn't been changed in a while. You realize that it's been a long time since you've checked your oven filter, and when you do, it's so full that you can't bear to think about replacing it until you buy a new one. As air enters the oven through the fan, it first passes through the filter, which traps dirt, dust, debris and many allergens.