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    March 14, 2021
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"Ask Adam" Adam has been in the HVAC industry for over 40 years. He has been involved in all aspects of the business from service to sales. His main interest is in customer comfort. Why Do Today's Furnaces Have Two Motors? Adam Kem, Owner Official Heating & Cooling Back in the 50's and through the early 80's, furnace manufacturers had to build furnaces for three types of applications: upflow, downflow and horizontal. Needless to say, this created a nightmare for warehousing. As the demand for higher efficiency increased, manufacturers responded with an 80% multi position furnace. Now one furnace could be used for upflow, downflow and horizontal applications. Due to the design changes, these new furnaces required a second motor to safely vent the combustion gases into the chimney. This new motor is called an inducer. This design change increased the efficiency, sim- plified the manufacturing process and minimized the need for ware- housing multiple furnaces. Another benefit derived from the inducer was the use of a 4" flue pipe instead of a 5" or 6" pipe. With the introduction of the 90% efficient furnaces we can sidewall vent them which means that in new con- struction we no longer need a chimney. If you have any HVAC questions, call 800-350-HVAC (4822) or email adam@officialhvac.com PLAN AHEAD Bella says: Before you find yourself neck deep in trouble! Call Official today! SALE! Be prepared for wet weather ahead with a W-Fi alert Leak Detector with audible alarm and battery back up sump pump! OFFICIAL Heating & Cooling 800-350-HVAC (4822) officialhvac.com PRES AD FACTORY AUTHORIZED DEALER NATE 4 Time Honoree Carrier BBB A Tumthepert "Ask Adam" Adam has been in the HVAC industry for over 40 years. He has been involved in all aspects of the business from service to sales. His main interest is in customer comfort. Why Do Today's Furnaces Have Two Motors? Adam Kem, Owner Official Heating & Cooling Back in the 50's and through the early 80's, furnace manufacturers had to build furnaces for three types of applications: upflow, downflow and horizontal. Needless to say, this created a nightmare for warehousing. As the demand for higher efficiency increased, manufacturers responded with an 80% multi position furnace. Now one furnace could be used for upflow, downflow and horizontal applications. Due to the design changes, these new furnaces required a second motor to safely vent the combustion gases into the chimney. This new motor is called an inducer. This design change increased the efficiency, sim- plified the manufacturing process and minimized the need for ware- housing multiple furnaces. Another benefit derived from the inducer was the use of a 4" flue pipe instead of a 5" or 6" pipe. With the introduction of the 90% efficient furnaces we can sidewall vent them which means that in new con- struction we no longer need a chimney. If you have any HVAC questions, call 800-350-HVAC (4822) or email adam@officialhvac.com PLAN AHEAD Bella says: Before you find yourself neck deep in trouble! Call Official today! SALE! Be prepared for wet weather ahead with a W-Fi alert Leak Detector with audible alarm and battery back up sump pump! OFFICIAL Heating & Cooling 800-350-HVAC (4822) officialhvac.com PRES AD FACTORY AUTHORIZED DEALER NATE 4 Time Honoree Carrier BBB A Tumthepert