Aprilaire Indoor Air Cleaners

We all have enough to think about every day. But to get the greatest comfort and benefit from your humidifier, experts say you need to adjust your humidistat a number of times each day, depending on the changing temperature outside. In actuality, most people rarely change humidistat settings. Wouldn’t it be nice to stop trying to figure out whether your humidistat is set properly? Now, with the Aprilaire 8 Automatic Humidifier Control, there is no manual humidistat to adjust – ever! It measures indoor humidity and outdoor temperature changes more than 86,000 times per day. It senses changes in relative humidity instantaneously, a dramatic improvement over manual humidistat delays of at least 1/4 hour.

The New Air Cleaner Champion

There’s a new leader when it comes to removing dust, pollen and bacteria, and other contaminants from the air in your home. It’s the Aprilaire® Electronic Air Cleaner Model 5000. Technically speaking, an air cleaner’s performance is measured in terms of it’s efficiency and trapping various micron-sized particles. For example, a human hair is 100 micron in diameter. The Aprilaire Electronic Air Cleaner is never less than 94% efficient at removing disease-causing bacteria as small as 0.35 micron. No other whole-house air cleaner can reach more than 70% efficiency in trapping these tiny particles of all sizes.

Aprilaire Model 4200/4400

If you want whole home air cleaning that couldn’t be easier the 4000 series with active control is the clear choice. These high performance air cleaners with user friendly allergen and irritant control right at your fingertips provide superior cleaning benefits and proven results. Removes 97% of pollen, airborne dust and other large particles Permanently traps indoor allergens that can lead to respiratory problems Visibility and control allows you to monitor and control the air cleaner function through the home from a single, central location Simple maintenance just replace the filtering media once per year We stock filters for all models including 220 & 2400

Aprilaire Model 800

The humidifier that is not dependant on your HVAC system to provide humidity to the largest of homes: the Model 800. The Aprilaire Model 800 Residential Steam Humidifier features truly automatic control, so there’s no need to manually control the humidifier – though it can be installed in manual mode, if desired. Complementing none-forced air heating sources and other specialty heating systems: Has a capacity of 11.5, 20.5 or 23.3 gallons per day depending on electrical draw. Humidifies tightly-constructed homes up to 6,200 ft2 Multiple models will work in your home. See your dealer for the system that is right for you.

Aprilaire Model 700

The Model 700 power humidifier (formerly Model 768) features truly automatic control, so there’s no need to ever manually control the humidifier. It is also designed with ease of service in mind. It utilizes an outdoor temperature sensor for monitoring even the slightest changes in outdoor temperature. This high-tech humidification system can deliver up to 50% more moisture in comparison to competitive units. With flexibility in mind, it can even be installed in manual mode if necessary. Complementing any HVAC system, the 700 has an evaporation capacity of 0.75 gallons per hour, among the highest capacity humidifiers sold. If you own a larger home and want the best, then this may be the humidifier for you, as it will handle up to 4,200 square feet if your home is tight in construction. Multiple models will work in your home. See your dealer for the system that is right for you.

Aprilaire Model 600

The Aprilaire Automatic Humidifier Model 600 takes humidifier innovation to the next level and performs as good as it looks! It offers all of the performance benefits of our other technologically-advanced computer-equipped automatic humidifiers and it’s easier than ever to have installed because it includes a built-in bypass damper, which means fewer parts to install. Plus, the damper is conveniently labeled for summer and winter settings, allowing you to set it for the entire season with no guesswork involved. Just set it and let your humidifier run automatically and it will deliver up to 50% more humidity, compared to other competitive units on the market. It also can be installed in manual mode if needed. The Model 600 has an evaporative capacity of 0.70 gallons per hour and is ideal for a home with up to 4,000 square feet if it’s tightly constructed. We believe it’s the best performing bypass humidifier on the market! Multiple models will work in your home. See your dealer for the system that is right for you.

Aprilaire Model 500

The Aprilaire Model 500A Whole-House Humidifier features a built-in bypass damper and is designed for use in small to mid-size homes with automatic digital control for premium performance and convenience. The Model 500A bypass humidifier is an economical proven performer in the extensive line of Aprilaire Humidifiers. For some homes, a manual control may be recommended. The Aprilaire digital control can be used in manual mode while still providing vital service, temperature and relative humidity indicators. Get big results for small to mid-size homes with the Model 500A Whole-Home Humidifier.

Aprilaire Model 400

The Aprilaire Model 400 bypass humidifier is the newest addition to the line. It uses new evaporative technology to minimize water use, eliminate standing water and provide comfortable humidified air throughout your home. Gravity pulls water down while the wicking action of the water panel draws it back to the top, using 100% of the water delivered to the unit. It’s the perfect choice for homes with septic systems, locations where a floor drain is not available or families interested in water conservation. Plus, its computer technology and innovative design makes it effortless to operate and simple to maintain. The Model 400 bypass humidifier is a high-capacity, water-conserving humidifier (0.70 gallons evaporated per hour), well suited to handle up to a 4,000 square foot, tightly constructed home. Multiple models will work in your home. See your dealer for the system that is right for you.


The Automatic Humidifier Control is manufactured by the makers of Aprilaire,the world’s leading brand of humidifiers – the one that more homeowners trust. But this control is designed to work with any humidifier you may have installed in your home. You can enjoy the ultimate in comfort, convenience, and preser­vation with the Automatic Humidifier Control. Its exclusive, auto­mated “no-touch” computer operation enables your humidifier to provide up to 50% more moisture, eliminating the need for constant manual adjustments. This results in optimum humidity levels as outdoor temperatures change – all automatically. Tests also show that the Aprilaire Automatic Humidifier Control is three times more accurate and four times more reliable than manual humidistats.


Enjoy the added comfort and convenience of a humidifier that thinks for itself. It’s the most effective way to make sure your home always has the right amount of humidity. Have your heating and air conditioning contractor install the Aprilaire Automatic Humidifier Control today.

After Hours/Emergency Service

All across the DuPage County area, including Addison, Illinois and the Chicago Metropolitan area, we offer our emergency heating and air conditioning repair specialists to residential and commercial customers. Our After Hours/Emergency Service technicians will diagnose problems and offer a range of affordable solutions for repair, part replacements and full system installations. Call A-Perfect Climate for all HVAC system issues. View Customer Testimonials here


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