This fresh-air supply reduces common concerns about maintenance, performance, and durability in dusty, dirty, or humid applications. Venting material used is PVC, an extremely cost effective vent system. Horizontal or vertical two-pipe or concentric venting options. Use coupon code: HURRY and save big! movement where it is needed. E7061) and CSA (File In addition, by drawing the combustion air from the outside, the overall heating efficiency is increased. This material is superior to other lower gradesof stainless steel and aluminum, resulting in outstanding ability to withstand thecorrosive environment ofcondensing gas fired equipment. Some people refer to these heaters as an industrial gas heater blower type, in reality they are just industrial gas heaters as we would call them , as all of this range of heaters have a blower or fan , that takes the cold air entering the air heater, and pushes it over the heat exchanger, this air is then warmed up and pushed through either an air distribution head , or an open headed heater that is connected to duct work these are commonly known as ducted warm air heaters, So if your looking for the best Industrial Gas Heaters / Gas fired air heaters industrial /Gas Industrial Heaters / Industrial Gas Space Heaters on the UK and Irish markets, that are particularly suited to factory and warehouse heating, that are high efficiency condensing heaters. Adding a blower to your gas heater helps to circulate the air in the room you are heating. safety, all standard units meet the requirements ft. with 6-Foot Cord Wrap and Carrying Handle | 5600 Watt Portable Electric Shop Heater for Garage and work shop, BLACK+DECKER Utility Heater, Ceramic Space Heater with Adjustable Thermostat & 12-Hour Timer, 1500W, Black, 1 Piece, LIFEPLUS Small Portable Space Heater for Indoor Use Office Electric Ceramic Fast Heat Adjustable Thermostat 750W/1500W Comfort Quiet and Safe Overheat and Tip-over Protection for Table Room Home Black, Dr. Heater DR966 240-volt Hardwired Shop Garage Commercial Heater, 3000-watt/6000-watt, DR966 240V, Heat Storm Phoenix HS-1500-PHX, Infrared Space Heater with Attachable Feet, Remote Control, Energy Efficient-750-1500 Watts, Gray Floor or Wall, Dr Infrared Heater DR-PS11024 Salamander, PS11024, Yellow, BriskHeat AO-36001-98 SRL06121PADJB Silicone Heating Blanket with Controller, 50-425F, 6x12 Size, 120 Volt, 180 Watt, SYBO 12-Cup Commercial Drip Coffee Maker, Pour Over Coffee Maker Brewer with 2 Glass Carafes and Warmers, Stainless Steel Cafetera SF-CB-2GA, Simple Deluxe Electric Space Heater, 1500W Whole Room Tower Space Heater with Remote 4 Heat Modes Setting, Overheating Protection, for Bedroom, Office, and Indoor Use, White,32",HIHEATTOWER31WRC, Dura Heat Electric Forced Air Heater, Length: 10.75in, Width: 8.75in, Height: 12.75in, NewAir NGH160GA00, 120V Electric Portable Garage Heater, Heats Up to 160 Square Feet, Garge, Black and Gray, Heat Storm Wall Gray HS-1000-WX Deluxe Indoor Infrared Space Saving-1000 Watts-Remote Control-Home & Office Heater-Safe to Touch Grill, Dreo 24" Space Heater, 10ft/s Fast Quiet Heating Portable Electric Heater with Remote, 3 Modes, Overheating & Tip-Over Protection, Oscillating Ceramic Heater for Bedroom, Office, and Indoor Use, Black, Bio Green PAL 2.0/US Palma BioGreen Basic Electric Fan Heater for Greenhouses, 2 Year Warrenty, Comfort Zone CZ230ER 7,500-Watt Digital Fan-Forced Ceiling Mount Heater with Full-Function Remote and 12-Hour Timer, DIMPLEX DIR15A10GR 120V, 1500W IR Heater, Remote Control, Schott Nextrema Glass, Hard Wire Only, Black, Vornado Velocity HD Garage Space Heater with Fan, Tilt Head, Advanced Safety Features, Lasko 755320 Ceramic Space Tower Heater, 8.5L x 7.25W x 23H, Silver, Dr Infrared Heater Portable Space Heater, 1500-Watt, Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater, Red-Black, Caframo Limited Cabinet Heater-2 Settings, Black, HUNTINGOOD Heater,Electric Heater,Space Heater,with1500W PTC, 3 Modes, 3s Fast Heating, Thermostat with Overheat Protection, 90 Rotation, Portable for Indoor and Patio,2 in 1 for All Year(1500W), Dimplex 1/3-Phase Industrial Unit Heater with Built-in Thermostat and Contactor, Model: EUH08B74CT, 480V, 7.5kW, Almond, Ceramic Space Heater,ASTERION 1500W Portable Oscillating Electric Heater with Adjustable Thermostat Remote,Personal Office Heater with Timer Overheat Tip-over Small Safe Heater for Indoor Home Bedroom, AKUSAKO Garage Heater with Remote - Digital Fan-forced Ceiling Mount Heater with Electric Control, 12H Timer,240V, Thermostat, Workshop Heaters for Warehouse, Greenhouse, Large Area Wall Heater, AKUSAKO Electric Greenhouse Heater With Digital Thermostat Controller For Green House,Grow Tent, Flower Room, Overheat Protection, Fast Heating, Spray Water Proof, Industrial Electric Cabinet Heater 300w Industrial Fan Heater HVL031 Series, DeLonghi Oil-Filled Radiator Space Heater, Full Room Quiet 1500W, Adjustable Thermostat 3 Heat Settings, Energy Saving, Safety Features, Light Gray, TRH0715, Portable Electric Garage Space Heater With Thermostat, 1500 watt, 120v, Red, AKUSAKO Electric Garage Heater - Workspace Forced Air Heater, 240V Wall Mountable Portable Space Heater with Thermostat for Workshop, Warehouse, Fahrenheat FZL4004F High Capacity Fan Forced Wall Heater for Entryways and Vestibules, large, White, Dreo Space Heater for Indoor Use, Quiet&Fast Portable Heater with Tip-Over and Overheat Protection, Remote, Oscillating,12H Timer, LED Display with Touch Control, Electric Heater for Office Use, Dr Infrared Heater DR-9FH2300 Electric Radiant Floor Heating Cable Kit, 300 SQFT / 240 Volt, Red & Black, Acrylic Bending Heater 100-240V Acrylic Letter Heater Bender Angle Bending Machine Acrylic Strip Heater Channel Letter Marking Kit (US plug), DEWALT Industrial Floor Fan, 18 Inch Drum Fan, 3-Speed Heavy Duty Air Circulator with Adjustable Tilt, Model: DXF1840 , Yellow, LifePlus 2 in 1 Heater Fan Combo, Portable Cooling Desk Fan, Air Circulator Fan 45 Tilt, 2 Wind Speeds, 1500W Overheat Protection Personal Small Floor for Home Office Black. You will need to consider the recommended coverage area as well as the heat output. 2022 Reznor HVAC, This website is intended for North American customers only. JavaScript seems to be disabled in your browser. The operating principle is simple, reliable and extremely effective: cold air sucked by the fan is conveyed towards the heat exchanger, warmed up by the combustion that develops inside it; when crossing, the air raises its temperature and then it is distributed in the room to be heated. Taber Abrasion Resistance (H-18/500g), FTMS 191A/M5903-1. Whatever your needs, we've researched the best garage heaters in a variety of categories. volt units. In case of warm air ducted systems, according to the air pressure required by the system, high pressure versions are available. Horizontal or vertical two-pipe or concentric venting options. Heavy duty extruded profile. Request a Quote | safety is provided by a 120 volt control voltage Industrial Gas HeatersHere at Flexiheat UK , we supply a range of gas fired air heaters for industrial heating applications, that can either be floor standing, suspended or even an external mounted unit , that allows you to save on valuable floor space. All PTAC (Packaged Terminal Air Conditioners) Units, All VTAC Units (Vertical Terminal Air Conditioners), Ducted Air Handler Mini Split Indoor Units, Wall Sleeves and Grilles for Through the Wall ACs, Commercial and Specialty Portable Air Conditioners, Gas Heater Venting Kits and Venting Components, All Natural Gas Storage Tank Water Heaters, All Hot Water Heater Recirculating Pump & Controls, Hot Water Heater Recirculating Accessories, All Gas Fireplace and Stove Parts & Accessories, Fireplace Remote Controls and Thermostats, HearthRite HAQBLR Manual Blower for HRSQ25MV Vent Free Stove, HearthRite HABLR Blower - Thermostat and Manual Control, Empire Comfort Systems SRB-18W Manual Blower, Empire Comfort Systems SRB-18TW Automatic Blower, Empire Comfort Systems SRB-30W Manual Blower, Empire Comfort Systems SRB-30TW Automatic Blower, Sunstar SC30M Manual Blower for SC30M1 Heater, Sunstar SC30T Thermostat Blower for SC30T1 Heater, Sunstar SC18M Manual Blower for SC18M1 Heater, Sunstar SC18T Thermostat Blower for SC18T1 Heater, Williams Furnace Company 2907 Deluxe Automatic Blower Accessory with 125 CFM, Williams Furnace Company 2901 Standard Automatic Blower Accessory with 100 CFM, Williams Furnace Company Replacement Models, Find the Best Garage Heater for Your Needs. The benefit of the dry heating technology is to directly and immediately transfer the heat produced by combustion in the environment to be heated, without use of intermediate heat transfer fluids such as water (as each intermediate heat exchange involves thermal losses and further system complexity), ensuring a high overall efficiency of the heating system, combined with a very low thermal inertia. For the best experience on our site, be sure to turn on Javascript in your browser. Some key features of these units include: Thetechnology features a secondary recuperative heat exchanger fabricatedfrom AL29-4C stainless steel. Contact Us These units pull the combustion air from outside the heated area, either from outside air or an adjacent room. This is a fillable PDF form. Using two of our proprietary fabrics, this ducting is manufactured and assembled with wire helix reinforcement plus heavy-duty abrasion resistant wear strip. With the best unit heaters, you can keep your workspace at the optimal temperature throughout the year and make those intricate projects easy to complete. 2022 JetHeat, LLC - All Rights Reserved -. A wide range of energy-efficient, aesthetically-pleasing designs provide many sizes and types to choose from while delivering a durable design with a showroom appearance. The Flexiheat gas heater range require very little maintenance and ensure durability and reliability over time, and are available in outputs ranging from 20kW to 970kW. Flexiheat cabinet warm air heaters can be equipped with an outlet plenum, sometimes referred to as an air distribution head for direct diffusion of warm air into the environment or can be supplied with no warm air distribution head so the can be integrated into warm air ducted air distribution systems. fuel fired heaters. include an adjustable thermostat to control Spirax-Sarco Engineering | Please dont hesitate to contact our sales team on 01202 822221 or click herefor our email contact form, Flexiheat UK Ltd, Unit 49 Azura Close, Woolsbridge Industrial Estate, Three Legged Cross, Dorset, BH21 6SZ Tel: 01202 822221 E-mail: sales@flexiheatuk.com Registration No: 10086380, Telephone: 01202 822221 | Fax: 01202 822222 | sales@flexiheatuk.com, Industrial Gas Heaters 20 kW to 970 KW Output, Versions with elevated temperatures and pressure, Technical Information on our Industrial Gas Heater Range, Industrial Gas Heaters for Sale UK and Ireland, 110v Heater /110v Fan Heaters 3kW or 1.5kW Output, Oil Burning Heater 20 kW to 970 kW Output. Flexiheats range of gas industrial heaters is very complete, and covers a wide range of kW outputs (outputs ranging from 20kW to 970kW) and responds to the most diverse needs with models for vertical, horizontal, indoor and outdoor installation. Some key features of these units include: Thetechnology features a secondary recuperative heat exchanger fabricatedfrom AL29-4C stainless steel. We named Fahrenheat as the Best of the Best in our Best Garage Heaters category because of its superior quality and great consumer experience. inducer 1017 Basements, garages, and workshops all suffer from that chill once the temperatures drop, and this can affect your work as much as your comfort. The technological evolution of this quality product has always prioritized high performance, energy saving and ease of maintenance to offer maximum reliability and comfort for warm air heating any industrial environments. Uses natural or propane gas (field convertible from natural to propane gas). The bright red polyester powder Non-Separated Unit Heaters pull the combustion air straight from the room that its heating. 2022 HVACDirect.com. Dr. Infrared Heater DR-975 7500-Watt 240-Volt Hardwired Shop Garage Electric Heater, Wall/Ceiling Mounted with Remote Controlled Thermostat, Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater, Mr. Heater F271400 MH170QFAVT Forced Air Propane Heater,Black,Medium, VEVOR 22L Industrial Ultrasonic Cleaner with Digital Timer&Heater 40kHz Professional Ultrasonic Cleaner 110V with Excellent Cleaning Effect for Wrench Tools Industrial Parts Mental Apparatus. Your recently viewed items and featured recommendations, Select the department you want to search in. 82% thermal efficiency for fuel savings. We engineer advanced thermal solutions that deliver superior performance for our customers sustainable and mission critical applications. No material from this site may be copied, distributed or in any way used without expressed prior permission. Available in three model sizes with input ranges from 215,000 to 310,000Btu/Hr, Modine offers application flexibility unmatched in the industry. coated heating cylinder is highly visible and This material is superior to other lower gradesof stainless steel and aluminum, resulting in outstanding ability to withstand thecorrosive environment ofcondensing gas fired equipment. Weve selected a range of efficient models from Amazon to help you find the perfect heater for your space. In reduced thermal power operation, the temperature of the fumes is lowered until the condensation of the water vapour level contained therein is achieved, ensuring that these industrial warm air heaters work in the condensing mode and achieving efficiencies higher than 103%. Silicone - Passes FTMS 191A/M5903-1 / Inherently flame resistant and developed for Oil & Gas hazards. Equipment Supplier Since 1950. For applications requiring a low profile unit, the Hot Dawg unit heater (modelHDB sizes 60-125) may be installed in residential or commercial applicationsjust 1 below the ceiling. Uses natural or propane gas (field convertible from natural to propane gas). setting. solutions to cover a wide range of heating applications. 25ft (7.6M) - Custom lengths available upon request. Separated Combustion Please see our products page here, Download the Industrial Gas Heaters Brochure Energy Range from Flexiheat UK. For this reason we combine our industrial warm air heaters with gas burners of the highest technology and reliability, in order to obtain clean combustion. Discover more about the small businesses partnering with Amazon and Amazons commitment to empowering them. This industry leading efficiency is a result of the coupling of oursecondary heat exchanger technology with our robust tubular primary heat exchanger design. Up to 97% thermal efficiency, Modines Effinity (model BTC) condensing unit heater features the highest efficiency available in North America for commercial and industrial gas-fired unit heaters. For assured We also do a full range of gas fired air heaters industrial , that can be either floor mounted or suspended from the ceiling or the wall, should the floor space be of a premium or its impractical to fit these Industrial gas fired heaters at that location. Normally supplied with warm air vents, as shown in the picture above, we also have the option of providing these industrial warm air heaters in a ducted version. Policies | The standard versions are designed to heat air an incoming air temperature of minus (-) 15 C coming into the heater, but versions suitable for operation in extremely cold climates with an incoming air temperature of minus (-) 40 C are available. The store will not work correctly in the case when cookies are disabled. We chose the Heat Storm as our Best Bang for the Buck because of its overall quality and value. Whether your needs are big or small, or if you own a warehouse or a greenhouse, check out our inventory of cost-effective commercial and industrial heaters today! In addition, by drawing the combustion air from the outside, the overall heating efficiency is increased. Power vented, high static blower fan commercial/industrial unit heater, Separated combustion, high static blower fan commercial/industrial unit heater, Power Vented, Low Static, Axial Fan, Commercial/Industrial/Residential Utility Use, Separated Combustion, Low Static, Axial Fan, Commercial/Industrial/Residential Utility Use, High Capacity, Indirect Fired, Indoor, Downflow, Horizontal/Vertical, Suspended Hydronic, Steam or Hot Water. Fumes tubes have a flattened tubular section with staggered and opposing turbulent imprints, with special reticular structure turbulators for maximum heating efficiency, complete with front and rear manifold with detachable inspection door, entrance for chimney connection and connection for condensation drainage. For applications requiring a low profile unit, the Hot Dawg unit heater (modelHDB sizes 60-125) may be installed in residential or commercial applicationsjust 1 below the ceiling. All Rights Reserved. Our industry-leading unit heaters are easy to install and accommodate any need. Inexpensive to install and easy to use, these units feature the following: Minimal environmental impact, protection of the environment and at the same time much lower maintenance costs thanks to maximum protection of the heat exchange surfaces the advantages of our industrial gas burning heater range are never ending ! Wire Size Guide: What Size Wire Do I Need. Ends Click here for restrictions. In applications with high or total external fresh air supply, the variable thermal output keeps the supply air temperature constant as the external environmental conditions change. Lock-stitch sewn construction. Materials | Our new design features added installation and serviceability features that bring peace of mind while maximizing uptime to minimize disruptions. The Modine Effinity line operates at an impressive 97% efficiency, further saving you and your company much needed energy dollars. For high efficiency heating, check out the Modine Effinity natural gas unit heater line. Learn the ins and outs of garage heaters, find out what features to look for, and see which models are top performers. A space heater is a convenient and effective way to quickly add warmth to your work area. only and temperature control in the heating We offer a variety of commercial and industrial unit heaters, featuring Modine and Reznor unit heaters, all with FREE SHIPPING and wholesale pricing. Blower models HDC (60,000 to 125,000 Btu/hr) and BTS (150,000 to 400,000 Btu/hr) draw 100% of its combustion air from outside to ensure that the unit will always have plenty of fresh, clean air to breathe. water heater antique coal iron stove cast peerless heaters boiler pot bellied burning steampunk stoves furnace 1920s gas Deciding which type is right for you largely depends on the size of your garage. Based on our research, weve narrowed down the list to models from Heat Storm, Dr. Infrared Heater, DIMPLEX, Comfort Zone, NewAir, Craftsman, and Mr. Heater. Site Map | document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Modine offers three types of propeller* gas fired unit heater. Our gas industrial heaters which are designated the ENERGY series of air heaters are designed to be combined with gas burners ( either natural gas or LPG gas ) with variable heat outputs, with either two stage or modulating burner regulation. Two stage burners have been specifically designed to achieve the minimum required for the latest ErP regulations, and these help with the efficiency but the ultimate highly efficient is a modulating burner, which are specifically designed to control the outputs ranging of the heaters very effectively. Heating & Air Conditioning Manufacturers Representatives Up to 97% thermal efficiency, Modines Effinity (model BTC) condensing unit heater features the highest efficiency available in North America for commercial and industrial gas-fired unit heaters. Comfort Zone 5000W Fan-Forced Ceiling Mount Heater with Dual Knob Controls, 5,000-Watt, White, Dr Infrared Heater DR-PS11524 Salamander, PS11524, Yellow, Comfort Zone CZ260ER Ceiling-Mounted Hard-Wired 240V High-Output 10,000-Watt Fan-Forced Industrial Shop and Garage Heater with Digital Thermostat and Remote Control, Comfort Zone CZ260ER Ceiling-Mounted Hard-Wired 240V 10,000-Watt Fan-Forced Industrial Shop and Garage Heater Digital Thermostat Remote Control, Black, Sponsored | Based on star rating and number of customer ratings, Space Heater, 1500W Electric Heaters Indoor Portable with Thermostat , PTC Fast Heating Ceramic Room Small Heater with Heating and Fan Modes for Bedroom, Office and Indoor Use, Comfort Zone CZQTV5M Ceiling Mounted Radiant Quartz Heater with Halogen Light Included, Portable Electric Space Heater with Thermostat, 1500W/750W Safe and Quiet Ceramic Heater Fan, Heat Up 200 Square Feet for Office Room Desk Indoor Use. FR Polyester - Passes NFPA 701 (small scale), EN533 and NFPA 705. Horizontal or vertical two-pipe or concentric venting options. Modine offers three types of propeller* gas fired unit heater Blower models HDB (60,000 to 125,000 Btu/hr), BDP (150,000 to 400,000 Btu/hr), and BTP(150,000 to 400,000 Btu/hr) are an economical choice for superior quality and dependability in most applications. VEVOR Commercial Ultrasonic Cleaner 6L Professional Ultrasonic Cleaner 40kHz with Digital Timer&Heater 110V Excellent Cleaning Machine for Watch Instruments Industrial Parts Excellent Cleaner Solution, Qmark NPH4A Freestanding Portable Heater with Built-in Handles, 4000 Watt, 240 Volt, Bronze, Comfort Zone 240V 25600 BTU Ceiling Mount Garage Heater, AirNmore Comfort Deluxe with Copper PTC, Infrared Space Heater with Remote, 1500 Watt, ETL Listed, Dura Heat EUH4000 4000W Electric Forced Air Heater, Length: 10.75in, Width: 8.35in, Height: 13in , Yellow, QMark CWH3404F Electric Wall Heater for Home and Commercial Use, 4000 Watt, 240 Volt, White, Dreo Space Heater for Indoor Use, 1500W Fast Heating Ceramic Electric Heater with Thermostat, Remote, Overheating & Tip-Over Protection, 1-12H Timer, 70 Oscillating Portable Heater for Office Bedroom, NewAir Portable Heater (240V) Portable Electric Garage Heater Heats Up to 800 sq. unattended without the threat of poisoning This industry leading efficiency is a result of the coupling of oursecondary heat exchanger technology with our robust tubular primary heat exchanger design. This high-strength fabric Duct and Blower Hose for Portable Industrial Heaters is manufactured for high-pressure industrial applications, including locations where there is a fire hazard. For the best experience on our site, be sure to turn on Javascript in your browser. We feature many blower options for a variety of gas heaters including Empire, Williams, Procom and Hearthrite. In the case of ducted air systems, high pressure versions of our industrial gas space heaters, with pressures up to 800 Pa are available, Gas Heater / Industrial Heaters Gas Fired These units can be supplied in a ducted version, that allows you to move the warm air to the desired areas. Each element is individually fixed to the supporting framework and is easily removable to allow access to the inner workings of these industrial gas space heaters. Consider Modine infrared tube heaters for both indoor and outdoor applications. Our team of experts has selected the best garage heaters out of hundreds of models. The Chromalox DRA Dragon is a rugged The Contractor Convenience Package featuring a condensate pump convenienceoutlet, unit on/off switch, heater function status indicator lights, and externalterminals for thermostat wiring. Dragon heaters feature a large, easily All rights reserved. Copyright 2022 Total Home Supply. Advanced Technology | Electrical panel for command and control with general switch. In addition to what features the Power Vented units include, these units add: These distinctive features make the installation of our industrial gas fired air heaters particularly advantageous in cases where rapid, reliable, intermittent or occasional heating is required or where there is a risk of freezing. Mobile Home Air Conditioning and Furnace Systems, Mobile Home Air Conditioning and Coil Systems, Mobile Home Heat Pump & Evaporator Coil Systems, Heat & A/C Package Units for Mobile Homes, Manufactured and Mobile Home HVAC System Accessories, Residential Fan Accessories and Ventilation Supplies, Commercial & Industrial Wall-Mounted Exhaust Fans, Corrosive Environment & Corrosion-Resistant Fans. On cold, freezing days, youll appreciate having a reliable unit heater that can provide the warmth you need. QMark MUH0521 Electric Unit Heater 208V/240V - 3.7KW/5KW, Reznor UDX 400,000 BTU Natural Gas Unit Heater, Reznor UDX 150,000 BTU Natural Gas Unit Heater, Modine Hot Dawg HD 30,000 BTU Natural Gas Garage Heater - Aluminized Steel Heat Exchanger, Modine Hot Dawg HD 30,000 BTU Liquid Propane Garage Heater - Aluminized Steel Heat Exchanger, Modine Hot Dawg HD 45,000 BTU Natural Gas Garage Heater - Aluminized Steel Heat Exchanger, Modine Hot Dawg HD 45,000 BTU Liquid Propane Garage Heater - Aluminized Steel Heat Exchanger, ADP 45,000 BTU Natural Gas Aluminized Exchanger Propeller Unit Heater, Modine Hot Dawg HD 60,000 BTU Natural Gas Garage Heater - Aluminized Steel Heat Exchanger, Modine Hot Dawg HD 60,000 BTU Liquid Propane Garage Heater - Aluminized Steel Heat Exchanger, Modine Hot Dawg HD 75,000 BTU Natural Gas Garage Heater - Aluminized Steel Heat Exchanger, Modine Hot Dawg HD 75,000 BTU Liquid Propane Garage Heater - Aluminized Steel Heat Exchanger, ADP 60,000 BTU Natural Gas Aluminized Exchanger Propeller Unit Heater, Modine Hot Dawg HDS 30,000 BTU Natural Gas Separated Combustion Propeller Unit Heater - Aluminized Steel Heat Exchanger, Modine Hot Dawg HDS 30,000 BTU Liquid Propane Separated Combustion Propeller Unit Heater - Aluminized Steel Heat Exchanger.