Aprilaire is one of the top Air Purification Product Manufacturer they are developing Air Purifiers, Humidifiers, Ventilation, Dehumidifiers and more from years. Their customer reviews are based on their sale volume they are not best but they doing great regarding their product services and customer support.
Aprilaire is the brand under which Research Products Corporation markets indoor air quality products with the two names being largely synonymous. Research Products is based in Madison, Wisconsin, United States and manufactures humidifiers, dehumidifiers, air cleaners, thermostats, ventilation and zone control HVAC systems. The first Aprilaire branded product was a humidifier introduced in 1954; this was the first evaporative whole-home, flow-through design humidifier to be marketed in the United States. Reference (https://en.wikipedia.org/wiki/Aprilaire)
Here you will find some useful reviews about Aprilaire Products and Customer Care Services so you can determine by your own dose Aprilaire will be your choice for Air Cleaning products or not.
Works nicely with my Elk alarm system
I needed another communicating thermostat when I upgraded my HVAC to 2-stage. Connection was relatively easy to set up between Elk alarm and thermostat, and setup and programming was straightforward. Reference (https://www.consumerreports.org/products/programmable-thermostats/aprilaire-communicating-touchscreen-8800-203748/user-reviews/#user-reviews)