Air Purifier
- How to order a part online (direct through Guardian)
- Guardian air purifier UV indicator light and/or power light is not working/not illuminating
- Guardian air purifier not blowing air but there is power to unit (lights illuminate)
- Guardian air purifier doesn't indicate that it's time to replace the filter.
- The AQM sensor is not reading properly on my Guardian air purifier
- The air is blowing out only 1 side of my Guardian air purifier
Humidifier
- There is an odor in my Guardian humidifier tank
- The humidistat on my Guardian humidifier isn't reading properly
- Why does my refill light stay on even though there's water in the tank? Top fill Guardian humidifier
- How can I clean my top fill Guardian humidifier?
- How can I clean my bottom fill Guardian humidifier?
- There is pink/red residue on my Guardian humidifier
Air Sanitizer
- I just changed the bulb in my GG1000/GG1100 Guardian air sanitizer
- Guardian air sanitizer is making noise
- Should I hear a noise when I plug in my Guardian air sanitizer?
- What does it mean when the UV-C bulb in my Guardian air sanitizer changes to orange/yellow or if it flashes?
- How can I clean my Guardian air sanitizer?
- How often should the UV-C bulb be replaced in the Guardian air sanitizer?
Other Products
- When should I replace my furnace filter?
- Can you clean a furnace filter?
- Can you install a HEPA Filter in your HVAC system?
- What MERV rating should I buy?
- What is a MERV rating?
- Why are there two furnace filter measurements?