Coldmaster Refrigeration Service, Inc.

(410) 673-7999

215 Railroad Ave.
P.O Box 280
Preston, MD 21655

www.coldmaster.net

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GeneralAire® Preferred Contractors

VIDEO: How to Install a 4400A Whole-Home Humidification System 7:36

Thanks to ACHR the NEWS, Clockwork Comfort Control's Trent Davis, and homeowners Brandon and Marie LeMaster for including the new GeneralAire...

Posted: 05/16/2023

VIDEO: Quick Non-Ducted Install of a DH75 or DH100 Using the GeneralAire Wi-Fi APP 2:27

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Posted: 04/26/2023

GeneralAire 570M Humidifier Installation

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Posted: 10/23/2017

GeneralAire 900 Humidifier Installation

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Posted: 10/23/2017

GeneralAire 1000 Humidifier Installation

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Posted: 02/25/2018

GeneralAire MHX3C Manual Humidistat Installation

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Posted: 02/25/2018

GeneralAire GFX3 Automatic Digital Humidistat Installation

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Posted: 02/25/2018

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