These Category IV, highly efficient, compact, condensing type furnaces are designed for residential and commercial installa-tions in a basement, closet, alcove, recreation room or garage where the ambient temperature is above 32°F, or higher. They may be either side wall or thru-roof vented using approved plastic type combustion air and vent piping. All units are factory assembled, wired and tested to assure dependable and eco-nomical installation and operation.

When you buy a Diamond 90 furnace from YORK, you are getting one of the finest heating systems available. The sealed combustion system and two heat exchangers turn practically all the heat produced into warmth for your home. And you are getting a product made with pride by YORK, a company that has been keeping people comfortable for more than a century.

A Diamond 90 furnace can reduce your heating costs. An electronic ignition system and inshot burners produce heat very efficiently. Then a primary and a secondary heat exchanger capture almost every BTU of that heat, and the powerful, direct-drive blower quietly sends the comforting warmth throughout your home. With heating efficiency ratings as high as 94.3% AFUE, you could see a significant reduction in your heating bills. When replacing an older furnace, this high efficiency system could slash your gas heating bills by as much as 30%.

All Diamond 90 furnaces are built to last using the latest in furnace manufacturing systems and strict quality standards. Each furnace must pass a series of computerized tests before the system will accept if for shipping. We are constantly testing our furnace designs in a state-of-the-art test lab. And, our plant has earned ISO 9002 certification for compliance with international manufacturing quality standards. As a result, this high efficiency, durable furnace could add to the re-sale value of your home. For increased comfort, ask your YORK dealer about our Total comfort System options. A residential zoning system can direct the heat only to those areas in the home where it is needed. In addition, an electronic air cleaner or a heat recovery ventilator can markedly improve your indoor air quality.

These Category IV, highly efficient, compact, sealed combustion, condensing type furnaces are designed for residential and commercial installations where the ambient temperature is above 32°F, or higher. All use outdoor combustion air. They may be either side wall or thru-roof vented using approved plastic type combustion air and vent piping. A Vent Termination Kit is required. All units are factory assembled, wired and tested to assure dependable and economical installation and operation.

These Category IV, highly efficient, compact, sealed combustion, condensing type furnaces are designed for residential and commercial installations where the ambient temperature is above 32°F, or higher. All use outdoor combustion air. They may be either side wall or thru-roof vented using approved plastic type combustion air and vent piping. A Vent Termination Kit is required. All units are factory assembled, wired and tested to assure dependable and economical installation and operation.

A Diamond 90 furnace can reduce your heating costs. An electronic ignition system and inshot burners produce heat very efficiently. Then a primary and a secondary heat exchanger capture almost every BTU of what heat, and the powerful, direct-drive blower quietly sends the comforting warmth throughout your home. With heating efficiency ratings as high as 94.3% AFUE, you could see a significant reduction in your heating bills. When replacing an older furnance, this high efficiency system could slash your gas heating bills by as much as 30%.

All Diamond 90 furnaces are built to last using the latest in furnace manufacturing systems and strict quality standards. Each furnace must pass a series of computerized tests before the system will accept if for shipping. We are constantly testing our furnace designs in a state-of-the-art test lab. And, our plant has earned ISO 9002 certification for compliance with international manufacturing quality standards. As a result, this high efficiency, durable furnace could add to the re-sale value of your home. For increased comfort, ask your YORK dealer about our Total comfort System options. A residential zoning system can direct the heat only to those areas in the home where it is needed. In addition, an electronic air cleaner or a heat recovery ventilator can markedly improve your indoor air quality.

These high efficiency, dedicated downflow, compact units employ induced combustion, reliable hot surface ignition and high heat transfer tubular heat exchangers.

These furnaces are designed for residential installation in a closet, alcove, attic or garage and are ideal for commercial applications. All units are factory assembled, wired and tested to assure safe de-pendable and economical installation and operation.

These units are Category I listed and may be common vented with another gas appliance as allowed by the National Fuel Gas Code.