{"id":17052,"date":"2025-03-28T17:06:59","date_gmt":"2025-03-28T15:06:59","guid":{"rendered":"https:\/\/heatex.ee\/toode\/heating-of-ventilation-air\/"},"modified":"2026-09-07T09:33:14","modified_gmt":"2026-09-07T06:33:14","slug":"heating-of-ventilation-air","status":"publish","type":"product","link":"https:\/\/heatex.ee\/en\/product\/heating-of-ventilation-air\/","title":{"rendered":"Heating of Ventilation Air"},"content":{"rendered":"

Heating units are available for both round and square pipes.<\/p>\n

The EFR (230 V) and EFRS (3\u00d7400 V) models are suitable for round motors.<\/p>\n

Equipped with AISI 304 stainless steel heating elements with a power of 2.5 W\/cm\u00b2 and an airflow of 2 m\/s<\/p>\n

The set includes a thermostat rated for 30\u2026+87\u00b0C and overheat protection rated for +125\u00b0C.<\/p>\n

Various types of ventilation air heaters \u2013 ventilation air heating:<\/h1>\n

EFR<\/strong><\/p>\n

Heating of ventilation air for air-heating systems, including heat recovery systems for excess heat in homes or in other applications involving ductwork systems.<\/p>\n

The channel section is a round hot-dip galvanized steel pipe with rubber sealing rings at both ends. The junction box is made of electro-galvanized steel and is equipped with M20 cable glands (IP44). The heating elements are made of AISI 304 (stainless steel). The junction box features a built-in single-pole thermal limiter (30\u201387\u00b0C) with automatic reset and manual reset (125\u00b0C). <\/p>\n

EFFK<\/strong><\/p>\n

A heating element designed for installation in a square duct as part of air conditioning, heat recovery, and\/or ventilation systems. The duct section is made of hot-dip galvanized steel; the junction box is integrated into the duct section and features an IP22 cable entry. <\/p>\n

The heating unit features a thermostat with automatic reset and a fire thermostat with manual reset. The heating section is divided into groups (3 or 4), depending on the heating unit’s capacity. <\/p>\n

EFF<\/strong><\/p>\n

A special rectangular duct heater design, for example, for ventilation and process systems.<\/p>\n

The duct section can be manufactured from various materials as desired\u2014choose between hot-dip galvanized and stainless steel. The junction box can be manufactured to meet various protection classes, from IP22 to IP66. The heating elements are made from various grades of stainless steel, tailored to the specific application. For high-temperature surfaces (up to 800\u00b0C), INC800 or INC600 is used as the material. <\/p>\n

EFRS<\/strong><\/p>\n

Same as EFF, but for circular channels.<\/p>\n

EFFL<\/strong><\/p>\n

Same as the EFF, but with an airflow path between the junction box and the duct section.
\nFor use in ducts with temperatures above +70\u00baC.<\/p>\n

EFI<\/strong><\/p>\n

A ventilation air heater designed for installation in the ducts of existing air conditioning units, heat recovery systems, and ventilation systems, where the heater can be removed without disassembling the duct section.<\/p>\n

The junction box is equipped with a mounting plate that meets protection classes IP22 through IP66.<\/p>\n

The heating unit features a thermostat with automatic reset and a manual-reset fire thermostat.<\/p>\n

Heating of Ventilation Air \u2013 for Air Handling Units (AHU)<\/strong><\/p>\n

All possible solutions: All materials are available for the duct, junction box, and heating elements. Voltage from 220 V to 690 V. Protection class from IP22 to IP66. We manufacture and supply products in accordance with ATEX, IECEx, EAC, etc. <\/p>\n

Mark EFR Round \u2013 Ventilation Air Heating:<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Voltage<\/strong><\/td>\nPower<\/strong><\/td>\nDimensions<\/strong><\/td>\n<\/tr>\n
230V<\/td>\n335 W<\/td>\n\u00d8125 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n670 W<\/td>\n\u00d8125×400 mm<\/td>\n<\/tr>\n
230V<\/td>\n1000 W<\/td>\n\u00d8125 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n2000 W<\/td>\n\u00d8125 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n335 W<\/td>\n\u00d8160 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n670 W<\/td>\n\u00d8160 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n1000 W<\/td>\n\u00d8160×400 mm<\/td>\n<\/tr>\n
230V<\/td>\n2000 W<\/td>\n\u00d8160×400 mm<\/td>\n<\/tr>\n
230V<\/td>\n335 W<\/td>\n\u00d8200 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n670 W<\/td>\n\u00d8200 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n1000 W<\/td>\n\u00d8200×400 mm<\/td>\n<\/tr>\n
230V<\/td>\n2000 W<\/td>\n\u00d8200×400 mm<\/td>\n<\/tr>\n
230V<\/td>\n335 W<\/td>\n\u00d8250 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n670 W<\/td>\n\u00d8250 x 400 mm<\/td>\n<\/tr>\n
230V<\/td>\n1000 W<\/td>\n\u00d8250×400 mm<\/td>\n<\/tr>\n
230V<\/td>\n2000 W<\/td>\n\u00d8250 x 400 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Mark EFRS Round<\/strong>:<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n
Voltage<\/strong><\/td>\nPower<\/strong><\/td>\nDimensions<\/strong><\/td>\n<\/tr>\n
3x400V<\/td>\n3,300 W<\/td>\n\u00d8200×400 mm<\/td>\n<\/tr>\n
3x400V<\/td>\n4,800 W<\/td>\n\u00d8200×400 mm<\/td>\n<\/tr>\n
3x400V<\/td>\n6,000 W<\/td>\n\u00d8250×400 mm<\/td>\n<\/tr>\n
3×400 V<\/td>\n7,500 W<\/td>\n\u00d8250×400 mm<\/td>\n<\/tr>\n
3x400V<\/td>\n9600 W<\/td>\n\u00d8250×400 mm<\/td>\n<\/tr>\n
3x400V<\/td>\n6,300 W<\/td>\n\u00d8315×400 mm<\/td>\n<\/tr>\n
3x400V<\/td>\n9,600 W<\/td>\n\u00d8315×400 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Also available for square tubes in the following sizes:<\/strong><\/p>\n

300x300x300 mm \u2013 5.25 kW . . . 18.90 kW, 3×400 V<\/p>\n

400x400x400 mm \u2013 10.80 kW . . . 29.40 kW, 3×400 V<\/p>\n

500x500x500 mm \u2013 24.60 kW . . . 76.60 kW, 3×400 V<\/p>\n

600x600x600 mm \u2013 31.50 kW . . . 112.50 kW, 3×400 V<\/p>\n

Ventilation air heaters<\/strong> are manufactured at our production facility in Denmark by JEVI A\/S, for whom we serve as the official representative in Estonia. You can view the entire product lineup on their website at http:\/\/www.jevi.dk<\/a> <\/p>\n

We also sell industrial heaters<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Heating units are available for both round and square pipes. The EFR (230 V) and EFRS (3\u00d7400 V) models are suitable for round motors. Equipped with AISI 304 stainless steel heating elements with a power of 2.5 W\/cm\u00b2 and an airflow of 2 m\/s The set includes a thermostat rated for 30\u2026+87\u00b0C and overheat protection […]<\/p>\n","protected":false},"featured_media":14855,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[4053],"product_tag":[],"class_list":["post-17052","product","type-product","status-publish","has-post-thumbnail","product_cat-space-heating","pa_pikkus-232-x-152-x-165","pa_pikkus-o125-x-400","pa_pikkus-o160-x-400","pa_pikkus-o200-x-400","pa_pikkus-o250-x-400","pa_pinge-230v","pa_tuup-efr","pa_tuup-ptc","pa_voimsus-335-w","pa_voimsus-670-w","pa_voimsus-1000-3","pa_voimsus-1200-2","pa_voimsus-2000-3","first","outofstock","taxable","shipping-taxable","purchasable","product-type-variable"],"acf":[],"yoast_head":"\nHeating of Ventilation Air - Heatex.ee heating devices<\/title>\n<meta name=\"description\" content=\"Ventilation Air Heating: Heating units are available for both round and square ducts. 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