Starting a duct cleaning business — worth it in 2025?

My cousin and I are considering starting a small duct cleaning service in our area. The equipment seems expensive, and we’re unsure how competitive the market is. Anyone here run this kind of business or know the challenges involved?

I think it's a solid niche service, but startup costs and finding your first clients could be tough.

A few years ago, I looked into starting one myself after seeing how often neighbors asked for referrals. The barrier to entry is lower than you’d expect, but getting proper training and equipment is key. I found this guide super helpful on https://comfortclean.com/how-to-start-a-duct-cleaning-business-advice-from-the-experts/ how to start a duct cleaning business — it breaks down licensing, marketing, and even mistakes to avoid. What surprised me was how important reputation and word of mouth are in this industry. One happy client can lead to ten more, so focusing on quality and transparency pays off.

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Over the last two weeks, our main canopy fan has started vibrating heavily whenever we turn it up to full speed. It's making a horrible low-pitched humming noise that our customers can hear in the dining area. Do I need to buy an expensive replacement motor, or could it just be a balancing issue?