Honeywell Humidifiers
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Aprilaire 600 Humidifier
Aprilaire 700 Humidifier

Aprilaire Humidifiers

Dry Air Difficulties

Relative humidity is the percentage of moisture in the air compared to its maximum capability to hold moisture under the same conditions. 70 degree air can hold about 12 times as much moisture as 10 degree air. Outside air at 10 degrees and 70 percent relative humidity drops to 7 percent relative humidity when heated to normal room temperature without other internal sources of moisture, such as cooking, laundry, showers, etc.

That's only a fraction of the humidity recommended for the average heated home, and its this 'desert dryness' that makes you feel uncomfortable and takes moisture from your home, furnishings, even your family.  The recommended indoor relative humidity is 35% and up to 45% in warmer climates or where special construction prevails; and not all humidifiers have the capacity to reach these levels.

Doctors often times have mentioned dry air as one of the causes for nose, throat, and other physical aggravations.

Heated air dries out and shrinks wood framing around doors and window frames.  Gaps occur, permitting cold outside air infiltration.  Heat loss and higher heating costs are often the results.

Heated, parched air causes:

bulletseparation of wood in floors, trim, and furniture
bulletexcessive wear of fabrics and carpets
bulletloss of piano tone quality
bulletwall and ceiling cracks
bulletplant damage and annoying static shocks are also a by-product of dry air

Aprilaire is the Answer

Proper humidity reduces heating costs by stopping wood shrinkage, which reduces cold air infiltration around door and window frames.   In turn, you'll feel warm at lower temperatures.  You can actually dial down your thermostat and still be comfortable.

In cases where excessive dry air has been the cause of physical aggravations, doctors have prescribed whole-house humidification.

Furnishings are protected with proper humidity too - reducing the damaging effects of heated, parched air upon everything from your wood floors to your plants.

Aprilaire - Safe and Proven

Aprilaire humidifiers are safe, proven, flow-through evaporative humidifiers.  They were the first evaporative, flow-through design humidifiers introduced in 1954, and millions of users have since enjoyed the many benefits of proper humidification with a minimum of maintenance. They produce humidity in a safe, pure water vapor form.  No mist or droplets are present which can carry impurities.  The flow-through design is your assurance that all minerals and impurities left from the evaporation process are either flushed down the drain, or deposited on the replaceable Water Panel.

Model 700


Owner's Manual

The Model 700 Power Humidifier was designed with ease of service in mind. This beautifully styled unit features the latest design, modern assembly, and quality components to compliment all of the latest HVAC systems very nicely. Aprilaire’s outstanding reputation for quality and unequalled performance are your assurance. Installed on the warm air plenum of a forced air furnace, the Model 700 utilizes the famous Aprilaire flow through design that constantly flushes away trouble causing minerals not deposited on the replaceable Water Panel and provides exactly the right amount of moisture in vapor form. The 700 has an evaporation capacity of 0.75 gph at 120oF plenum temperature. A motor and fan accomplish the air movement necessary for high capacity evaporation, and uniform accurately controlled humidity levels are maintained by the humidistat supplied as a standard component with the unit

Model 600


Owner's Manual

Aprilaire bypass humidifiers offer the flexibility of easy installation on either the warm air supply or cold air return of any forced air furnace. Air movement is accomplished through the humidifier by using the bypass principle, which forces air from the supply and pulls it into the return due to the positive pressure in the supply and negative pressure in the return. The humidified air mixes with the return air from the house and is forced back into the living area. This method of air movement has been utilized successfully for many years.

Model 600 is equipped with a drain to flush minerals and solid residue out of the system. The 600 also features an extremely easy access to all parts for quick routine maintenance or service, and has the flexibility of either a right or left side discharge to ensure a neat attractive installation.

The above models are our most popular units.  Other models are available if you have a special request or requirement.  Please feel free to browse the Aprilaire web site to see the full line of products.

Pricing available on request.  Please submit a free quote request with your equipment/task needs.  Don't forget to check out our specials!

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Keep in mind that our market area for sales and installation includes the Northern Front Range of Colorado.