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Bethlehem PA Heating & Cooling Services

Deiter Bros. has been installing and servicing heating and cooling systems in Bethlehem PA and surrounding areas for over 88 years. We service and install all brands. Click here for a short list of some of the equipment we install and service in Bethlehem PA and surrounding areas in PA and NJ.

Taking Your Indoor Comfort & Energy-Savings to New Levels of Performance and Value in Bethlehem PA

Deiter Bros. also handles many energy efficient add-on items, such as, Hot Water Heaters (Electric, Oil-fired, or Gas), Humidifiers, Energy Recovery Ventilators (ERV), Electrostatic Air Filters, and Energy Saving Set-Back Thermostats.

We service all makes and models. All our work in Bethlehem PA and surrounding areas is guaranteed for one (1) year (parts and labor) and longer on certain items, depending on manufacturer's warranty.

We also offer Performance Agreements for your heating and cooling systems. Click for details about our maintenance agreements for heating and cooling equipment in Bethlehem PA and surrounding areas.


Take Charge of Your Fuel Bills

Make your average heating oil and propane bills smaller and easier to handle

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