Home > IAQ & Ventilation > Direct Gas-Fired Air-Handling Units Direct Gas-Fired Air-Handling Units What is in this article?: Direct vs. Indirect Gas-Fired AHUs This article describes components, highlights applicable codes/standards, notes advantages and disadvantages, and discusses potential commercial applications. Direct gas-fired air-handling units (AHUs) have provided efficient, reliable makeup air for many high-exhaust/infiltration industrial applications and facilities, such as paint booths, distribution centers, warehouses, and factories. Concurrently, direct gas-fired AHUs have seen limited utilization in commercial applications, with commercial-kitchen makeup AHUs being the most prevalent application. With ever-increasing energy costs, it is time to take another look at direct gas-fired makeup AHUs for commercial applications. This article will describe the differences between direct and indirect gas-fired AHUs, provide component descriptions for a typical direct gas-fired AHU, highlight applicable codes/standards and any commercial-application limitations, note the advantages and disadvantages of direct gas-fired AHUs, and provide a number of potential commercial direct gas-fired AHU applications.

Direct vs. Indirect Gas-Fired AHUs » 1234567Next Air Handlers for replacement air, space heating & ventilation applications. Good for the following:Warehouses & Distribution Centers [indoor, rooftop or pad mounted] where direct fired would introduce too much moisture into the air (bad for cardboard packaging)Providing Factories with space heat & ventilationProvide building pressurization controlCombine with Reznor Cooling Coils and Condensers for custom split system replacement air systems Make-Up Air Gas Heating Systems Indirect Fired Make-Up Air Trane gas-fired indoor make-up air handling units are designed for indirect fired applications requiring heating, cooling, ventilatingAll indirect fired units are completely package, rail-mounted, wired, piped, and test-fired to assure smooth installation and easy start-up. Nominal airflow range 900–9,800 cfm. 100–1,200 MBh. Equipped for either suspension or slabLeft- and right-hand control configurations.

Indirect fired heat exchanger. includes DX, chilled water or evaporative cooler. Nominal airflow range 800–13,000 cfm Input range: 100–1,200 MBh Curb mounted design Left- and right-hand control configurations Indirect fired heat exchanger Optional cooling available on packaged units (DX, Chilled water, or Evaporative cooler) L x W x H (ft) 6.5 x 2.7 x 3.8 6.5 x 3.6 x 3.8 6.5 x 4.5 x 3.8 6.5 x 5.0 x 3.8 Note: Data shown above is for standard-blower, horizontal-discharge, single-furnace only. Double- and triple-furnace models are also available. Indoor Gas-Fired Make-Up Air Handlers Standard and High Efficiency Outdoor Gas Heating Units and Duct Furnaces Packaged Air Handling Products For Cooling, Ventilating and Make-Up Air Applications Packaged Fresh Air Unit For 100% Outdoor Air Application Indoor and Outdoor Units: Indirect Fired, Direct Fired, and Gas Unit Heaters The top indirect fired air handling units

Mark has developed a range of air handling units with several options for a wide variety of applications. average cost to install ac unitFrom a simple air intake unit to a fully automatically controlled air handling unit suitable for both indoor or outdoor use.split ac unit service There is a wide selection of heating systems, such as hot water batteries, gas or oil-fired modules, gas-fired make-up air systems or high performance gas-fired heating systems. types of hvac jobsHeat recovery and cooling are of course also possible. Mark air handling units are made from seawater- resistant aluminium panels as standard. The benefit is lower weight and a longer life. The Mark air handling unit is a highly developed, premium quality product that can be adjusted to the customer’s requirements.

© Mark 2016 | Indirect Gas Fired Units Designed specifically for Warehouses, Shops, Offices and Commercial Kitchens the Indirect Gas Fired AHU - Air Handling Unit from AirCraft Air Handling of Stafford provides a Cost Effective Economical Ventilation Solution. Manufactured by AirCraft Air Handling - one of the UK's leading manufacturers of AHU - Air Handling Units and Ventilation Units, the Indirect Gas Fired Unit provides a versatile solution for many commercial and catering applications with the benefit of robust aluminium construction and client specific design. Suitable for Warehouses, Shops, Offices & Commercial Kitchens 2 to 3 Week Delivery AirCraft Air Handling of Stafford produce tailor-made AHU - Air Handling Units and Ventilation Units suitable for most Private and Public Sector Buildings. For a quality air environment contact AirCraft Air Handling of Stafford - Air Handling Units & Ventilation Units manufactured to your own specification and delivered on time.  

Call AirCraft Air Handlers on 01782 791 545 or Email Desktop mode Mobile mode Shopping Cart Solutions D6. All-in one Marketing and eCommerce Websites. Product TypesMake-up Air Systems Designed to provide an economical and efficient means of supplying tempered make-up air, our direct-fired, make-up air units are available in eight airflow configurations. WeatherHawk indirect outdoor make-up air systems are designed and engineered to deliver superior performance in a variety of applications. The Modine indoor separated combustion duct furnace with blower and/or cooling sections was designed for use with a building’s heating, heating/ventilating/cooling and make-up air systems. The indoor gravity vented duct furnace with blower and/or cooler sections was designed for use with a building’s heating, heating/ventilation/cooling make-up air systems. Dravo is a division ofwww.johnsonandstarley.co.uk Indirect Gas, Oil or LPG Fired Units Internal & External Models