You assume when it is time to get your HVAC duct cleaned when you beginning seeing dust particles blowing out of the air vents every single time you turn on your central heating, ventilation, & A/C system. This was the sign I took when I knew I had to get our HVAC duct cleaned last time. And when it gets that bad you should genuinely beginning thinking about having your HVAC duct cleaned on a official basis every other month or so. Because if you do not, you will find yourself with one of 2 things happening. Either you will have to pay a lot of money for a difficult HVAC duct cleaning adore I did last time, also known as a deep HVAC duct cleaning, then or you could end up just killing your central heating, ventilation, & A/C system all together from it being so overworked that the motor blows out. If that happens it is going to cost you a small bundle just to get a replacement motor. Or even worse, it could be to where you may need to get a completely brand modern & up-to-date central heating, ventilation, & A/C system which would of course cost thoUSnds! You can avoid all of this when you just simply get your HVAC duct cleaned on a official bi daily basis & also be sure to get your central heating, ventilation, & A/C system tuned up & checked up every single season. Once in the winter, once in the summer, once in the fall & then again once in the Spring.