Whether you need to heat a single room or an entire home, Empire has Direct-Vent Furnaces to suit your needs. Specifically designed for areas where flues or chimneys are not available or cannot be used. Removable front panels for easy cleaning and servicing.

Uses outside air to support combustion. Inside air is warmed as it recirculates around a sealed chamber. This warm air heats the room cleanly and efficiently.


Heat larger areas with Empire’s DV25 and DV35 Direct-Vent wall furnaces. Delivers room-filling warmth; fits against an outside wall. A push of the button ignites the pilot with a matchless piezo system. Add an optional internal blower for even greater air circulation.


Clean and cost-efficient comfort make the DV210 and DV215 the perfect heaters to warm smaller rooms like off-grid bathrooms etc. The slim, compact design allows the heater to tuck out of the way on an outside wall. Quiet burners, matchless piezo ignition, and all the safety features you expect from Empire Comfort Systems come standard.

Optional automatic blowers install easily for more even heat distribution. Ideal for bedrooms or studies, wall furnaces add comfort and beauty to any decor.


We design smarter home heating products that deliver superior comfort, convenience and reliability. Our solutions can truly enhance the way your family lives with our EnergySaver Direct Vent Wall Furnaces.

  • More comfort: Efficient options for customized comfort and lower energy bills
  • Consistent warmth: Ideal for hard-to-heat spaces like attics, sun-rooms, and basements
  • Advanced heating technology: Whole-home and supplemental heating solutions with installation ease and flexibility
  • Quality and reliability: Integrated safety features offer peace-of-mind for your family



Input Range 13,200 - 36,500 BTU/hr

Within seconds, the Rinnai EX38 begins to gently heat the room. You can customize supplemental or zone heating according to your family’s usage, habits and needs. With multiple sizes, Rinnai EnergySaver® Direct Vent Wall Furnaces can be used in a variety of configurations. That’s the kind of flexibility that brings added efficiency. The EX38 Constantly monitors room temperature 2” (5 cm) from the floor, detects temperature changes of less than 1° F & In case of a sudden influx of cold air, the the Wall Furnace automatically adjusts fan speed and BTU to quickly restore warmth to the room


Input Range 8,200 - 20,700 BTU/hr

EX22CTP is a quick, flexible installed, ductless, propane gas, direct vent wall furnace from Rinnai; the perfect heating solution that seeks out cold spots and within seconds begins to gently heat the room or space for maximum comfort.


Input Range 5,700 - 11,000 BTU/hr

With a Rinnai EnergySaver® Direct Vent Wall Furnace, you’ll be as comfortable with your energy bill as you are with your room temperature. Modulates the usage of gas, optimizing
energy efficiency, Multiple models offer just the right size and configuration to heat a whole home or complement an existing heating system & Unique modulating technology produces the specific level of heat needed at any given moment, responding to the smallest temperature changes.

Our Customers Say

“You should just call yourselves Fabulous Fabrication, your guys have been utterly amazing.”

Marlys, Thompson Falls, MT

“One of best household investments we’ve ever made!”

Mic and Lorna, Troy, MT

“Formula Fab is the way to go!”

Bill & Kim, Libby, MT

Formula Fabrication
31936 US Highway 2, Libby, Montana
Office Hours:
Monday - Friday, 8:00am to 5:00pm