Furnaces

Multiple options that offer the single best way to keep living spaces warm

Whether fueled with natural gas or propane, Ameristar furnaces are designed to provide comfortable, quiet, and consistent heating without temperature swings. They’re also built to last, with high-quality components that offer long-lasting performance and reliability.

M952V / M951P Furnaces

M952V System Features

Up to 97% AFUE two-stage (better temperature control and quieter operation) for the level of comfort and efficiency you require
Fully convertible to work with either natural gas or propane, making them suitable for use in any area
Works with your outdoor system to circulate cool air in summer, helping you stay comfortable all year long
Aluminized steel heat exchangers conduct heat quickly and increase durability
Cabinets are constructed of corrosion-resistant galvanized steel
Built for flexibility to suit varied installation situations.
Variable speed indoor systems maintain constant and consistent airflow that improves comfort and efficiency in your home.
M95V2 models meet EnergyStar requirements

M951P System Features

95% AFUE single-stage for the level of comfort and efficiency you require
Fully convertible to work with either natural gas or propane, making them suitable for use in any area
Works with your outdoor system to circulate cool air in summer, helping you stay comfortable all year long
Aluminized steel heat exchangers conduct heat quickly and increase durability
Cabinets are constructed of corrosion-resistant galvanized steel
Built for flexibility to suit varied installation situations.

Locate Energyguide Tables

95+% AFUE Furnaces

Variable-Speed Model	Tonnage	AFUE	BTU Input	Dimensions (in)
Variable-Speed Model	Tonnage	AFUE	BTU Input	H	W	D
M952V060BU36AAA	3.0	97	60,000	40	17.5	28
M952V080BU36AAA	3.0	97	80,000	40	17.5	28
M952V100CU48AAA	4.0	96.7	100,000	40	21	28
M952V120DU60AAA	5.0	96.7	120,000	40	24.5	28
M952V060BD36AAA	3.0	96	60,000	40	17.5	28
M952V080BD36AAA	3.0	96	80,000	40	17.5	28
M952V100CD48AAA	4.0	96	100,000	40	21	28
M952V120DD60AAA	5.0	96	120,000	40	24.5	28

5-Year Base Limited Warranty; 20-Year Base Heat Exchanger Warranty
10-Year Registered Limited Warranty; 20-Year Registered Heat Exchanger Warranty*

Single-Stage Model	Tonnage	AFUE 1	BTU Input	Dimensions (in)
Single-Stage Model	Tonnage	AFUE 1	BTU Input	H	W	D
M951P040BU24AAA	2.0	95 / 94.2	40,000	40	17.5	28
M951P040BD24AAA	2.0	95	40,000	40	17.5	28
M951P060BU36AAA	3.0	95 / 94.2	60,000	40	17.5	28
M951P065BD42AAA	3.5	95	60,000	40	17.5	28
M951P080BU42AAA	3.5	95 / 94.2	80,000	40	17.5	28
M951P085CD48AAA	4.0	95	80,000	40	21	28
M951P100CU48AAA	4.0	95 / 94.2	97,000	40	21	28
M951P100DU60AAA	5.0	95 / 94.2	97,000	40	24.5	28
M951P110DD60AAA	5.0	95	110,000	40	24.5	28
M951P120DU60AAA	5.0	95 / 94.2	110,000	40	24.5	28

1 AFUE ratings on upflow models in upflow position / horizontal left position.
5-Year Base Limited Warranty; 20-Year Base Heat Exchanger Warranty
10-Year Registered Limited Warranty; 20-Year Registered Heat Exchanger Warranty*

* Registered Limited Warranty terms are applicable if the products are registered within 60 days of installation. Products can be registered online at ameristarac.com or by phone at 866-554-5611, otherwise Ameristar’s Base Limited Warranty terms will apply. Base Limited Warranty terms can be found online at ameristarac.com. Warranties are for residential use only; some restrictions may apply. Ask your installer for full warranty information at the time of purchase.

AFUE stands for Annual Fuel Utilization Efficiency, which measures a furnace’s heating efficiency. The higher the AFUE, the less energy you’ll use to maintain pleasant temperatures.

M801P Furnace

System Features

All furnace models feature a standard silicon nitride igniter
80% furnace models feature aluminized steel heat exchangers to conduct heat quickly and increase durability
Ameristar furnaces are built for flexibility to suit varied installations
80% furnaces are fully convertible to either natural gas or propane, making them suitable for use in any area
Cabinets are constructed of corrosion-resistant galvanized steel

Locate Energyguide Tables

80% AFUE* Furnaces

Model	Tonnage	AFUE	BTU Input	Dimensions (in)
Model	Tonnage	AFUE	BTU Input	H	W	D
M801P040AU24AAA	2.0	80	40,000	40	14	28
M801P060AU24AAA	2.0	80	60,000	40	14	28
M801P060AD24AAA	2.0	80	60,000	40	14	28
M801P060AU36AAA	3.0	80	60,000	40	14	28
M801P060AD36AAA	3.0	80	60,000	40	14	28
M801P080BU36AAB	3.0	80	80,000	40	17.5	28
M801P080BU48AAA	4.0	80	80,000	40	17.5	28
M801P080BD45AAA	4.0	80	80,000	40	17.5	28
M801P100BU36AAA	3.0	80	100,000	40	17.5	28
M801P100CU48AAA	4.0	80	100,000	40	21	28
M801P100CD48AAA	4.0	80	100,000	40	21	28
M801P100CU60AAA	5.0	80	100,000	40	21	28
M801P100CD60AAA	5.0	80	100,000	40	21	28
M801P120DU60AAA	5.0	80	120,000	40	24.5	28
M801P120DD60AAA	5.0	80	120,000	40	24.5	28
M801P140DU60AAA	5.0	80	140,000	40	24.5	28
M801P140DD60AAA	5.0	80	140,000	40	24.5	28

5-Year Base Limited Warranty; 20-Year Base Heat Exchanger Warranty
10-Year Registered Limited Warranty; 20-Year Registered Heat Exchanger Warranty*

AFUE stands for Annual Fuel Utilization Efficiency, which measures a furnace’s heating efficiency. The higher the AFUE, the less energy you’ll use to maintain pleasant temperatures.