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Garage Standard Combustion Unit Heaters

Garage Standard Combustion Unit Heaters
Technician installing a garage heater in a Calgary home for year-round warmth
Garage Heater Benefits
Garage Standard Combustion Unit Heaters - Image 4
Garage Standard Combustion Unit Heaters - Image 5

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About this item

  • Introducing a high-performance horizontal natural gas unit heater/duct furnace, designed for reliable heating in a range of professional environments.
  • This unit offers a heating capacity input ranging from 60,000 to 150,000 BTU/hr, with an impressive 83% steady-state efficiency to ensure consistent and efficient warmth.
  • Built with an aluminized steel heat exchanger for enhanced durability, it delivers 1950 CFM of airflow to quickly and effectively heat large spaces.
  • It also includes comprehensive documentation, such as installation manuals, parts lists, and product specifications, to support easy setup and reliable operation.
  • Apply for Finance
SKU: LF25 Category:

Description

Experience superior heating efficiency with our versatile Radiant Garage Heater, designed for optimal performance in a variety of settings. With a high thermal efficiency of up to 83%, this unit provides a broad heat capacity range from 30,000 to 400,000 Btuh, making it ideal for both compact and standard-sized environments.

Key Features:
High Thermal Efficiency: Achieve up to 83% efficiency, ensuring cost-effective heating.
Two-Stage Heating: Standard on models from 250,000 to 400,000 BTU/hr, offering improved control over heating levels.
Durable Tubular Heat Exchanger: Built for long-lasting performance, maximizing heat output while minimizing wear and tear.
Curved Design: Optimizes heat transfer by exposing more surface area to the air stream for enhanced warmth distribution.
Reduced Air Resistance: Rounded surfaces reduce metallic stress and promote quieter operation by minimizing air turbulence.
Low Maintenance: Features an in-shot burner assembly and a no-maintenance, lubricated blower motor, making upkeep simple and hassle-free.
Flexible Venting Options: Suitable for both horizontal and vertical installation, providing versatility to meet various space requirements.
Reliable Warranty: Includes a 15-year limited warranty on stainless steel heat exchangers, 10-year warranty on aluminized heat exchangers, and a 1-year warranty on covered components.
Perfect for garages and non-confined living spaces, our Radiant Garage Heater delivers reliable, efficient heating backed by rigorous factory testing and comprehensive warranty coverage. Its easy installation, combined with robust construction, ensures long-term performance and comfort.

For more details, explore the product specifications and benefits at Allied Commercial.

Specification

Performance LF25-30A LF25-45A LF25-60A LF25-75A LF25-90A LF25-105A
Heating Capacity Input (Btuh) 30,000 45,000 60,000 75,000 90,000 105,000
Heating Capacity Output (Btuh – Natural) 25,020 37,665 50,220 62,550 75,420 87,675
Steady State Efficiency (Natural) 83.4% 83.7% 83.7% 83.4% 83.8% 83.5%
Temperature Rise (°F) 37 52 47 56 43 54

Connection Table

Connections LF25-30A LF25-45A LF25-60A LF25-75A LF25-90A LF25-105A
Flue Size (round) 4 4 4 4 4 4
Gas Piping Size (in.) 1/2 1/2 1/2 1/2 1/2 1/2

Fan Table:

Fan Data LF25-30A LF25-45A LF25-60A LF25-75A LF25-90A LF25-105A
Number of Fans 1 1 1 1 1 1
Fan Diameter (in.) 10 10 14 14 16 16
Number of Blades 4 4 4 4 4 4
Motor Output (hp) 1/25 1/25 1/15 1/15 1/10 1/10
rpm 1550 1550 1075 1075 1075 1075
Air Volume (cfm) 625 665 1000 1050 1600 1500
Air Throw at 8 ft. Mounting Height (ft.) 27 29 34 41 46 43

Weight Data Table:

Weight Data LF25-30A LF25-45A LF25-60A LF25-75A LF25-90A LF25-105A
Net Weight (lbs.) 55 60 85 90 115 120
Shipping Weight (lbs.) 60 65 90 95 120 125

Electrical Data

Electrical Data LF25-30A LF25-45A LF25-60A LF25-75A LF25-90A LF25-105A
Fan Motor Full Load Amps 2.0 2.0 2.0 2.0 3.0 3.0
Maximum Overcurrent Protection (MOCP) 15 15 15 15 15 15

High Altitude Pressure Switch Kits:

High Altitude Pressure Switch Kits LF25-30A LF25-45A LF25-60A LF25-75A LF25-90A LF25-105A
Factory Factory Factory Factory
3000-5000 ft. Factory Factory Factory 22K44 2001-4000 ft. 22K44
5001-6000 ft. Factory Factory 22L26 22K44 4001-6000 ft. 22L26
6001-9000 ft. 22L27 22L27 22L26 22L27 6001-7000 ft. 22L27
9001-10,000 ft. 22L27 22L27 22L28 22L27 7001-10,000 ft. 22L27

Optional Accessories

Optional Accessories – Gas Heat US Canada
Natural Gas to LPG/Propane Conversion Kits (0 – 5000 ft.) 18L11 18L11
Natural Gas to LPG/Propane Conversion Kits (5001 – 8000 ft.) 19A10 19A12
Natural Gas to LPG/Propane Conversion Kits (8001 – 10,000 ft.) 19A11

High Altitude Conversion Kits

High Altitude Conversion Kits – Natural Gas US Canada
5001 – 7000 ft. 19A17 19A17
7001 – 10,000 ft. 19A18

Installation Clearance Table

Installation Clearances in. mm
Top 1 25
Side opposite control box/access panel 1 25
Control Box/Access Panel Side 24 610
Back 18 457
Bottom 1 1
Flue 6 152

Maximum Mounting Heights Table

Maximum Mounting Height ft. m
LF25-30-45-60-75 10 3
LF25-90-105 12 3.7

Horizontal Venting Length Table

No. of Elbows Maximum Length (feet) of Straight Vent Pipe
1 25
2 20
3 15
4 10
5 5

Vent Adaptor Kits:

Vent Adaptor Kits (For Retro-Fit Installations) Unit Heater Description Catalog No.
LF25-45A Combustion Air Inducer Mounting Plate Kit Required for 4 inch to 3 inch vent pipe applications 19U97
LF25-30A, LF25-45A Vent Adaptor Kit (Upslope) 4 inch unit flue pipe to 3 inch Category III vent pipe 19V95
LF25-30A, LF25-45A Vent Adaptor Kit (Downslope) 4 inch unit flue pipe to 3 inch Category III vent pipe 19V96

Horizontal Vent Kits and Elbow Table

Required for Residential Horizontal Venting Applications Unit Heater Model No. Vent Diameter (in.) Upslope Vent Kit Downslope Vent Kit 45° Elbow 90° Elbow 1 Minimum Vent Length (ft.)
LF25-30A, LF25-45A, LF25-60A, LF25-75A, LF25-90A, LF25-105A 4 75W63 75W67 87W80 (Optional) 75W71 (Optional) 5

Straight Vent Pipe for Horizontal Venting Table:

Straight Vent Pipe – For Horizontal Venting Unit Heater Model No. Vent Diameter (in.) Length (in.) Catalog No.
LF25-30A, LF25-45A, LF25-60A, LF25-75A, LF25-90A, LF25-105A 4 6 75W77
LF25-30A, LF25-45A, LF25-60A, LF25-75A, LF25-90A, LF25-105A 4 12 75W78
LF25-30A, LF25-45A, LF25-60A, LF25-75A, LF25-90A, LF25-105A 4 36 75W79

Additional information

Heating Capacity Input

30,000 Btuh, 45,000 Btuh, 60,000 Btuh, 75,000 Btuh, 90,000 Btuh, 105,000 Btuh

Alberta bonded, licensed and certified installations

Installed to code by our own certified technicians. We are not the cheapest quote in Calgary, and that is deliberate — here is the standard behind the number.

  • Bonded, licensed and certified in Alberta

    Every installation is carried out by a bonded, licensed and certified Alberta contractor, with the permits pulled and the work done to code. You are not relying on a handshake.

  • Premium equipment, never builder grade

    We fit AirEase premium series systems. A cheaper quote is usually a builder-grade unit picked to hit a number, and you hear it and feel it — in noise, in rooms that never quite even out, and in how soon it needs replacing.

  • Our own installers, paid properly

    The technicians in your home are ours, and they are paid fairly on piece work rather than pushed to clear another job before dark. Work done right the first time costs more on the invoice and far less across the life of the system.

  • Commissioned for how the home feels

    We size, balance and commission around air quality, humidity and even temperature — not simply until the unit switches on. That commissioning step is the first thing a price-led install leaves out.

  • The figure is agreed before we start

    You approve the number up front. It does not move on the day, and we will show you what sits behind it.

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