Furnaces

Intertherm created the first furnace designed specifically for factory-built homes over a century ago. So you can trust our experience knowing that we did it first and we know it best.

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Intertherm Product Selector

This useful tool can help you simplify the process of choosing and matching our products.

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Locate a licensed dealer in your area who can help recommend, install, and service your Intertherm equipment.

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Built Right for Factory-Built Homes

When you choose an Intertherm furnace for your home, you aren’t just installing a run-of-the-mill residential unit. You’re investing in equipment that has been specifically designed and factory-tested to meet your heating needs while fitting seamlessly into your factory-built home. We offer a full spectrum of electric, gas, and oil products that deliver peak performance for multiple home configurations and climate regions.

All of our furnace products are eligible for a five-year parts warranty when registered and paired with an Intertherm split system

Electric Furnaces

Intertherm’s most efficient heating option, our all-electric furnaces require no gas line to connect.

E7ED (Downflow)

Product Details

AFUE rating: 100%
BTUH input: 34,000-78,000 (Nominal)
Single-stage heating

E7EU (Upflow)

Product Details

AFUE rating: 100%
BTUH input: 34,000-78,000 (Nominal)
Single-stage heating

E7EM (Upflow/Downflow)

Product Details

AFUE rating: 100%
BTUH input: 34,000-78,000 (Nominal)
Single-stage heating

Matched Products for Electric Furnaces

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A/C Unit	Coil Match	A/C Unit Match	H/P Unit Match
High efficiency: E7E-B0*	C85DA	HSA4MD, HSA4ME	HSH4ME

Gas Furnaces

Our gas furnace options are second-to-none on both safety and performance.

MG1E

Product Details

AFUE rating: Up to 80%
BTUH input: 56,000-90,000 (Nominal)
Single-stage heating

MG2R

Product Details

AFUE rating: Up to 95%
BTUH input: 45,000-72,000
Single-stage heating

MG2S

Product Details

AFUE rating: Up to 96%
BTUH input: 45,000-72,000
Two-stage heating

MG3P

Product Details

AFUE rating: Up to 92%
BTUH input: 54,000-108,000
Single-stage heating

MG3S

Product Details

AFUE rating: Up to 96%
BTUH input: 80,000
Two-stage heating

CMF3

Product Details

AFUE rating: Up to 80%
BTUH input: 70,000
Single-stage heating

CMF95

Product Details

AFUE rating: Up to 95%
BTUH input: 72,000
Single-stage heating

Matched Products for Gas Furnaces

View Equipment Matches

A/C Unit	Coil Match	A/C Unit Match	H/P Unit Match
Standard efficiency: MG1E	C85DA	HSA4MD, HSA4ME	HSH4ME
High efficiency: MG2R	C85DA	HSA4MD, HSA4ME	HSH4ME

Oil Furnaces

Our Intertherm oil furnaces offer reliable heating performance for homes that do not have access to natural gas supplies.

CMF2

Product Details

AFUE rating: Up to 78%
BTUH input: 80,000
Single-stage heating

M5SB

Product Details

AFUE rating: Up to 83%
BTUH input: 66,000 - 86,000
Single-stage heating

Matched Products for Oil Furnaces

View Equipment Matches

A/C Unit	Coil Match	A/C Unit Match	H/P Unit Match
Standard efficiency: M5SB	C85DA	HSA4MD, HSA4ME	HSH4ME

Helpful Resources

Homeowners

Warranty Details

Get more information about our warranty options or register your Intertherm equipment warranty today.

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Homeowners

Buying Tips

Choosing the right heating and cooling system for your home doesn’t have to be difficult. These valuable tips can help you find the right equipment for your home and your wallet.

Homeowners

Selecting a Contractor

One of the first steps before buying a new HVAC system is choosing the right contractor. Here’s what you can do to ensure you select the right expert to advise you through the entire process.

Learn More