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| Gas Furnaces | Return to heating and cooling products |
| Features | Infinity™ ICS | Infinity™ 96 | Infinity™ 80 | Performance™ 93 | Performance™ 80 | Comfort™ 95 | Comfort™ 80 |
| Energy Rating | Minimum 95% AFUE |
Up to 96.6% AFUE |
80% AFUE | Up to 93% AFUE |
80% AFUE | 95% AFUE | 80% AFUE |
| Energy Star Rated | ![]() |
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NO | ![]() |
NO | ![]() |
NO |
| Sound Level | Quietest | Quietest | Quieter | Quieter | Quieter | Quiet | Quiet |
| Fan Heating Operation | Variable Speed/ 3-Stage Heating |
Variable Speed/ 2-Stage Heating |
Variable Speed/ 2-Stage Heating |
Two Speed/ 2-Stage Heating |
Two Speed/ 2-Stage Heating |
Multi-Speed/ 1-Stage Heating |
Single Speed/ 1-Stage Heating |
| FactoryWarranty Parts |
10 yrs. | 10 yrs. | 10 yrs. | 10 yrs. | 10 yrs. | 10 yrs. | 10 yrs. |
| Factory Warranty Heat Exchanger |
Lifetime | Lifetime | 20 yr. Limited | Lifetime | 20 yr. Limited | Lifetime | 20 yr. Limited |
| Cost | $$$$ | $$$$ | $$$ | $$$ | $$ | $$ | $ |
| We provide electrical, plumbing, HVAC and traffic signal installation, repair and maintenance in Massachusetts and Connecticut. | ||||
| Copyright © David R. Northup Electrical Contractors, Inc. | ![]() |
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| Electrical Licenses: MA - A7225 CT - 10191 Plumbing Licenses: MA - 10592 CT - 279203 | ||||