EnergyLogic waste oil furnace
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Waste Oil Furnaces

Warm-air heating that turns your used oil into reliable, no-cost heat. Four EnergyLogic models from 75,000 to 350,000 BTU — heating up to 9,000 sq ft.

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Overview Furnaces Boilers
Standard Across the Range

Built-in features, every model

Every EnergyLogic furnace runs a precision fuel-meter pump, is UL listed, and ships with an analog hour meter and a single-wall 250-gallon fuel tank (double-wall available).

Approved Fuels

Used crankcase oilATFHydraulic fluidNo. 2 fuel oilDiesel
Integrated air compressor
Barometric damper
Draft gauge
Squirrel-cage blower
Precision fuel-meter pump
UL listed
Analog hour meter
250 gal fuel tank (single wall)

Optional: Various size fuel tanks · dual warm-air outlet louvers · double-wall tank

EnergyLogic ceiling-mounted waste oil furnace heating a workshop
Floor or Ceiling

Mount it overhead and reclaim your floor space

Suspend an EnergyLogic warm-air furnace from the ceiling to push heat down across the whole shop — without giving up a square foot of working floor.

EnergyLogic EL-75H waste oil heater — vertical floor-standing unit New · Just Released
The Compact One

EL-75H Waste Oil Heater

Heats up to 1,750 sq ft · Bolts to non-combustible flooring

All the EnergyLogic engineering in a vertical, small-shop footprint — just 21" wide with a built-in 10-gallon tank. Ships with air compressor, metering pump, programmable thermostat, draft manometer, hour meter, tank gauge, low-fuel cutoff, cleanable oil strainers and flue kit — everything in the box.

75KBTU / hour
500CFM Air Flow
0.54Gal / hr Fuel
75"H × 21"W × 26"L
10 galOn-board Tank
115 V60Hz · 8 Amps

Approved fuels: used crankcase oils, ATF, No. 2 fuel oil · Flue: 6" Class A · Warranty: 1 year / 1,500 hours* · UL Listed (U.S. & Canada)

*Second year activates when registered with the manufacturer within 30 days of receipt.

Quote the EL-75H Factory Spec Sheet (PDF)
The Range · 4 Models

Find the furnace sized to your shop

Full specifications for every EnergyLogic warm-air furnace. Not sure which fits your square footage and fuel supply? Our team will spec it for you.

New
EL-75H
Up to 1,750 sq ft
75KBTU / hr input
22 kW · 0.54 gal (2.0 L) fuel per hour
Air Flow500 cfm
On-board Tank10 gal built-in
Cabinet75"H × 21"W × 26"L
MountingVertical · floor-bolted
Exhaust Flue6" Class A
Electrical115 VAC 60Hz · 8 A
FuelsCrankcase · ATF · No. 2
Warranty1 yr / 1,500 hrs*
ListingUL (U.S. & Canada)
Quote the EL-75H
EL-140H
Up to 3,500 sq ft
140KBTU / hr input
41 kW · 1.0 gal (3.78 L) fuel per hour
Warm Air Temp Rise100–120°F / 37.8–48.9°C
Air Flow1000 cfm / 28 m³·min
Warm Air Outlet12"W × 12"H · dual ductible
Heat Exchanger18 ga stainless · UL 1500°F
Cabinet18"H × 18"W × 92"L
With Tank37.5"H × 32"W × 60"L
Exhaust Flue8" diameter
Electrical115 VAC 60Hz · 25 A
Ship Weight730 lb w/ tank · 375 lb w/o
Quote the EL-140H
Popular
EL-200H
Up to 5,000 sq ft
200KBTU / hr input
58.3 kW · 1.4 gal (5.3 L) fuel per hour
Warm Air Temp Rise100–120°F
Air Flow1500 cfm / 42 m³·min
Warm Air Outlet15"W × 15"H · dual ductible
Heat Exchanger18 ga stainless · UL 2000°F
Cabinet18"H × 18"W × 105"L
With Tank250 gal single wall
Exhaust Flue8" diameter
Electrical115 VAC 60Hz · 25 A
Ship Weight750 lb w/ tank · 395 lb w/o
Quote the EL-200H
EL-350H
Up to 9,000 sq ft
350KBTU / hr input
102 kW · 2.5 gal (9.4 L) fuel per hour
Warm Air Temp Rise100–120°F
Air Flow2600 cfm / 74 m³·min
Warm Air Outlet15"W × 15"H · dual ductible
Heat Exchanger18 ga stainless · UL 2000°F
Cabinet22"H × 22"W × 117"L
With Tank250 gal single wall
Exhaust Flue8" diameter
Electrical115 VAC 60Hz · 25 A
Ship Weight770 lb w/ tank · 415 lb w/o
Quote the EL-350H
Factory Documentation

Download the spec sheets

Furnace Range Spec SheetEL-140H · EL-200H · EL-350H · PDF → EL-75H Factory Spec SheetNew compact model · PDF →
Free Tool · No Obligation

Estimate your savings before you buy

Punch in your heating cost or how much used oil you generate, and see your annual savings, payback period and 10-year return with an EnergyLogic furnace.

Open the Savings Calculator
~90%Typical heating reduction
$50K+Possible 10-year net savings
Workbench Fuel Tanks

Tanks built to feed them

cULus 142 built & labeled workbench tanks in 12-gauge carbon steel — powder-coat Cascade Black exterior, mineral-oil-coated interior to prevent oxidation. Both take (4) 2″ NPT ports, furnace mounting tubes, a 4″ NPT emergency vent, pump mounting brackets on both ends, ½″ NPT fuel pickups and a 2″ NPT drain with valve.

EnergyLogic 250-gallon single-wall workbench tank specification drawing
PN 03250106 · Standard with every unit

250-Gallon · Single Wall

  • Footprint62.0″L × 31.9″W
  • Height38.0″ tank · 53.0″ w/ tubes
  • CertificationULus 142 built & labeled
  • Material12 GA carbon steel
  • Ship Weight355 lbs
  • Weight Full (used motor oil)2,195 lbs
EnergyLogic 500-gallon single-wall workbench tank specification drawing
PN 03500105 · Upgrade option

500-Gallon · Single Wall

  • Footprint73.7″L × 42.5″W
  • Height45.8″ tank · 60.2″ w/ tubes
  • CertificationcULus 142 built & labeled
  • Material12 GA carbon steel
  • Ship Weight662 lbs
  • Weight Full (used motor oil)4,342 lbs

Pump may be mounted to either end — allow 2′ minimum clearance to access the mounted pump. Double-wall tanks and other sizes available on request.

Let's size the right furnace for your shop.

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