⚡ In stock in Denver & Detroit — 1–5 day delivery across the US ⚡
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Rex Nordic AH-310i Infrared Heater

$3,190.00
Shipping and sales tax are calculated at checkout.

The Rex Nordic AH-310i puts out 51,000 BTU/h (15 kW) of silent, flue-free infrared heat for workshops, pole barns and service bays up to 53,000 ft³ (1,500 m³). It runs on pump diesel or renewable diesel, draws only ~80 W from a standard outlet (120 V/60 Hz), and holds your set temperature automatically — 48 dB quiet, with no exhaust pipe and no smell.

The 11.9 gal (45 L) tank runs about 39 hours at full output (0.30 gal/h · 1.14 L/h) and much longer under thermostat cycling. WiFi app control, LED soft-touch panel, 32–104 °F thermostat, timers and automatic restart are all standard. Rolls on casters; no installation, no ductwork.

Specs: 51,000 BTU/h (15 kW) · up to 53,000 ft³ (1,500 m³) · tank 11.9 gal (45 L) · 0.30 gal/h (1.14 L/h) · 48 dB · ~80 W, 120 V/60 Hz · 101 lb (46 kg).

Best for: 40×60 shops, pole barns, ag outbuildings, commercial remodels.

  • Heat output: 51,000 BTU/h (15 kW)
  • Coverage: up to 53,000 ft³ (1,500 m³)
  • Fuel tank: 11.9 gal (45 L)
  • Fuel use: 0.30 gal/h (1.14 L/h)
  • Noise level: 48 dB
  • Power: ~80 W, 120 V/60 Hz
  • Weight: 101 lb (46 kg)
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⚡ Fast 1-5d Delivery & Shipping

US orders ship from our Denver, CO and Detroit, MI warehouses. Most deliveries arrive in 1–5 business days. Freight is calculated at checkout; pallet deliveries are curbside and the driver calls ahead.

Warranty & Service

2-year warranty, extendable to 3 years by registering at warranty.rexnordic.com. 100% spare-parts availability and service partners across the US and Canada.

Returns & Support

Unused items in original packaging can be returned within 30 days. Freight damage? Note it on the delivery receipt and report it via our freight-complaint form within 5 business days. Support: USA +1 (855) 578-9090 · usa@rexnordic.com.

  • Heat output
    51,000 BTU/h (15 kW)
  • Coverage
    ≤ 53,000 ft³ (1,500 m³)
  • Fuel consumption
    0.30–0.35 gal/h (1.14–1.33 L/h)
  • Fuel type
    #2 diesel or renewable diesel (HVO/R99)
  • Temperature range
    32–104 °F (0–40 °C)
  • Noise level (dB)
    48
  • Voltage
    120 V, 60 Hz
  • Power Consumption (max.)
    80 W
  • Connectivity
    WiFi (or 4G)
  • Control panel
    Simple soft-touch control panel with LED screen
  • Remote control
    Yes. Infrared
  • Thermostat
    Yes, automatic
  • Stop timer
    0-24h
  • Interval timer
    5-60 min Use time + 5 min Break in between
  • Mobile app
    Rex Nordic App (Android / iOS)
  • Dimensions (W x D x H)
    37 × 12 × 40 in (95 × 31 × 101 cm) (W × D × H)
Rex Nordic original spare parts

Have questions or need expert advice?

Our North American team helps you size, order and service the right unit — by phone, chat or email, on your time zone.

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