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Our Recent Articles

How to Spot a Cracked Heat Exchanger

How to Spot a Cracked Heat Exchanger. Man coughs in his elbow while sitting on sofa at home.

At Joseph Frederick & Sons, we take the safety of our customers in Delaware seriously. That’s why we want you to know how to spot a cracked heat exchanger.

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Why You Need Whole-House Humidity Control

Raindrop on window with Handle Blur tree background Rainy Season.

When indoor plumbing became more popular in the 1940s, a whole new level of comfort and convenience began for homeowners. However, with that convenience came new challenges: humidity control.

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Why Is My Thermostat Blank?

Blank space on screen of thermometer.

It is an “Oh no!” moment when you approach your home’s thermostat and see its screen is blank. 

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