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AprilAire Model 600 Large Bypass Evaporative Humidifier

AprilAire Model 600 Large Bypass Evaporative Humidifier

AprilAire Model 600 large bypass evaporative humidifier for whole-home humidity control. Professional installation is extra and subject to inspection.

The AprilAire Model 600 is a duct-mounted large bypass evaporative humidifier designed to add moisture to dry indoor air through the home's HVAC system. Balanced humidity can help improve comfort, reduce dryness, and protect wood finishes during heating season.

Key Features

  • Whole-house humidification through the central duct system.
  • Designed for tight homes up to 5,000 square feet when properly sized.
  • Bypass evaporative design uses furnace airflow to distribute humidity.
  • Onboard sensing and control options support consistent operation.
  • Professional installation helps confirm duct location, water connection, and drainage.

Four Seasons Air Control can review your home's HVAC setup and recommend whether the AprilAire Model 600 is the right fit for your comfort and humidity needs.

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Our Partners

We work with leading manufacturers across heating, cooling, water heating, and fireplace solutions.

Lennox
Noritz
Navien
Carrier
Aprilaire
John Wood
Mitsubishi Electric Heating and Cooling
Bradford White Corporation
Rinnai
Regency Fireplace Products
Napoleon
Valor

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Service Areas

Areas We Serve in Ontario

Four Seasons Air Control supports homeowners across the GTA and surrounding Ontario communities with heating, cooling, fireplaces, water heaters, and indoor comfort solutions.

GTA and surrounding cities

  • Toronto
  • Mississauga
  • Brampton
  • Vaughan
  • Markham
  • Richmond Hill
  • Oakville
  • Burlington
  • Milton
  • Halton Hills
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  • North York
  • Scarborough
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  • Ajax
  • Whitby
  • Oshawa
  • Clarington
  • Aurora
  • Newmarket
  • King City
  • Caledon
  • Bolton
  • Orangeville
  • Guelph
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  • Acton
  • Ajax
  • Amherstburg
  • Annex
  • Applewood
  • Arnprior
  • Aurora Heights
  • Aylmer
  • Barrie
  • Belleville
  • Bolton
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  • Toronto
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  • West Toronto
  • Whitby
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  • Windsor
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Customer Reviews

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Kevin was professional and responsive, and Reza's team completed the HVAC installation efficiently with excellent workmanship.

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Excellent company to deal with. Kam and his team installed my HVAC system really well, and Vanessa helped narrow down the exact system I needed.

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I can rely on Four Seasons for the best recommendations and service possible for my heat pump needs.

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They've handled our HVAC maintenance for 15 years. Technicians arrive when promised, work neatly, and answer questions thoroughly.

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Service was fantastic. My new gas fireplace looks stunning and I couldn't be happier that I found this place.

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I've been dealing with Four Seasons for close to 14 years, from installation through yearly maintenance, and they've taken great care of our system.

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Wonderful customer service, helpful guidance on furnace warranty registration, and we absolutely love our gas fireplace.

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We purchased a Valor gas fireplace for our renovated basement, and the team was knowledgeable, patient, and very professional.

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