Collection: AC / Dehumidification / Humidification

Plants thrive in the proper environment, for indoor gardeners Hawthorne Gardening Company offers a broad selection of air conditioners, dehumidifiers and humidifiers to achieve the optimal environmental balance for your plants. We carry the best brands for indoor gardening including Ideal-Air and Quest. From small spaces to large commercial areas, Hawthorne Gardening Company stocks everything you need including condensate pumps, controllers, wiring, line sets, mounting brackets and much more. Looking for a complete HVAC solution? Hawthorne Gardening Company stocks humidifiers, dehumidifiers and custom commercial solutions including Quest Cultivation Air agriculture solutions.
78 products
  • Ideal-Air™ Pro-Dual™ 24,000 BTU Multi-Zone Heating & Cooling Ceiling Mount Cassette
    Ideal-Air™ Pro-Dual™ 24,000 BTU Multi-Zone Heating & Cooling Ceiling Mount Cassette
    Regular price
    Sold out
    Sale price
    $1,479.95
  • Ideal-Air™ Pro-Dual™ 18,000 BTU Multi-Zone Heating & Cooling Ceiling Mount Cassette
    Ideal-Air™ Pro-Dual™ 18,000 BTU Multi-Zone Heating & Cooling Ceiling Mount Cassette
    Regular price
    Sold out
    Sale price
    $1,319.95
  • Ideal-Air™ Pro-Dual™ 12,000 BTU Multi-Zone Heating & Cooling Ceiling Mount Cassette
    Ideal-Air™ Pro-Dual™ 12,000 BTU Multi-Zone Heating & Cooling Ceiling Mount Cassette
    Regular price
    Sold out
    Sale price
    $1,159.95
  • Ideal-Air™ Pro-Dual™ 9,000 BTU Multi-Zone Heating & Cooling Ceiling Mount Cassette
    Ideal-Air™ Pro-Dual™ 9,000 BTU Multi-Zone Heating & Cooling Ceiling Mount Cassette
    Regular price
    Sold out
    Sale price
    $994.95
  • Ideal-Air™ Pro-Dual™ 18,000 BTU Multi-Zone Wall Mount Heating & Cooling Indoor Head
    Ideal-Air™ Pro-Dual™ 18,000 BTU Multi-Zone Wall Mount Heating & Cooling Indoor Head
    Regular price
    Sold out
    Sale price
    $994.95
  • Ideal-Air™ Pro-Dual™ 9,000 BTU Multi-Zone Wall Mount Heating & Cooling Indoor Head
    Ideal-Air™ Pro-Dual™ 9,000 BTU Multi-Zone Wall Mount Heating & Cooling Indoor Head
    Regular price
    Sold out
    Sale price
    $659.95
  • Ideal-Air™ Pro-Dual™ 48,000 BTU 21.5 SEER Multi-Zone Heating & Cooling Outdoor Unit
    Ideal-Air™ Pro-Dual™ 48,000 BTU 21.5 SEER Multi-Zone Heating & Cooling Outdoor Unit
    Regular price
    Sold out
    Sale price
    $3,809.95
  • Ideal-Air™ Pro-Dual™ 36,000 BTU 22.5 SEER Multi-Zone Heating & Cooling Outdoor Unit
    Ideal-Air™ Pro-Dual™ 36,000 BTU 22.5 SEER Multi-Zone Heating & Cooling Outdoor Unit
    Regular price
    Sold out
    Sale price
    $2,729.95