Natural Draft Water


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Standard water heaters found in most homes are also known as natural draft or atmospheric vent type water heaters.

Conventional water heaters often use natural gas or propane as fuel and do not require electric power or moving parts. This type of water heater stores and preheats gallons of water in an insulated tank making it readily available for use at anytime.

Natural draft water heaters require a flue that ties directly into the chimney. An adjustable thermostat detects the temperature of water in the tank and regulates fuel delivery to the burner, which is ignited by a pilot light or spark ignition. The resulting combustion transfers heat to the water through direct contact at the bottom of the tank as well as the flue. In addition, the hot gases produced by this combustion rely upon natural convection, based on the principle that hot air rises, to remove the exhaust from your home to the outside.

Proper installation and regular maintenance will ensure your safety and can optimize the efficiency of your water heating system.

The HVAC Gurus are trained professionals committed to providing the highest level of safety when installing, repairing, replacing, and servicing your natural draft water heater. Call us today at (800) 564-0103 to schedule an appointment.


Joe and team were fantastic. They showed up when expected, explained the entire process, cleaned up when finished, and walked me through operation. I had 5 contractors out and they were by far the most updront and easy to communicate with. There office staff was also friendly and helpful.”

Rich E. – Horsham, PA

“Very professional, good communication , prompt service – I would def recommend!”

Lisa K. – Bensalem, PA

HVAC Gurus were very easy to work with. I would definitely recommend their services.

Daniel L. – Flourtown, PA

Joe was great he installed three baseboard radiators. Would hire company again.”

Katrina M- Ambler, PA

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HVAC Gurus is the answer to all of your HVAC needs!
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(800) 564-0103

431 Rhawn Street Philadelphia, PA 19111