Prevent Unnecessary Service Calls With an Inexpensive Thermo-Hygrometer

Every winter, the phone starts ringing with customers complaining about condensation on their new windows!  We know the problem is usually not a window defect but rather the high humidity inside homes reacting to the low temperatures outside.

The TH1900 Thermo-Hygrometer will accurately measure the relative humidity in the home, making it easy for the homeowner to self-diagnose their humidity levels, drastically reducing expensive service calls.  It’s in a window manufacturer’s best interest to be proactive and provide every customer with an inexpensive EDTM Thermo-Hygrometer to help eliminate those phone calls to the service department.

Save Time & Money by Educating Every Customer

The TH1900 includes a convenient lookup chart (shown at right) that makes it easy for customers to determine when humidity levels are causing condensation to build upon their windows.  Give them a low-cost Thermo-Hygrometer and explain that low temperatures outside and humidity inside can result in condensation on windows. Point out the included lookup chart they can use for reference.

Custom Branding Available

Place your logo (or your dealer's logo & phone number) at the bottom of the device for an added professional touch. You can customize the message on the box or even put your logo on the LCD screen. These customizations are available in 100 quantity and above, so call us at (419) 861-1030 for details.


  • Prevent condensation-related service calls  
  • Gain credibility and trust by educating your customers about humidity and condensation
  • Deeply discounted quantity pricing is available
  • Custom branding available for your dealers (requires higher volume order - call 419-861-1030)
  • Compact design - only 4.25" tall and 2.25" wide

User Manual Download

TH1900 User Manual

TH1900 | Thermo-Hygrometer

  • Product Code: TH1900
  • Availability: In Stock
  • $29.00

  • 5 or more $25.00
  • 10 or more $19.00
  • 50 or more $15.00
  • 100 or more $12.00

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