# Professional Infrared Heater Master Step MAS4A042 - Compact Electric Space Heater, Portable Indoor Heating

**URL:** https://aio.lv/en/product--master-mas4a042--12021692
**Data updated:** 2026-03-11 20:56 (EET)
**Category:** Fireplaces & Stoves
**Manufacturer:** Master
**Manufacturer code:** MAS4A042
**EAN:** 8592833000378
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.49 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 21.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--master-mas4a042--12021692

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Infrared heater Master Step MAS4A042 is a compact electric space heater designed for targeted indoor heating. It uses infrared heating elements to provide quick, direct warmth to people and objects rather than heating the whole room. Suitable for workshops, garages, terraces or supplementary home heating. Features portable design and simple controls for localized, energy-efficient comfort.

## Long description

Infrared heater Master Step MAS4A042 is a compact electric space heater designed for targeted indoor heating. It uses infrared heating elements to deliver direct warmth to people and objects, providing quick thermal comfort without heating the entire room. The portable design and straightforward controls make this unit suitable for localized heating in workshops, garages, terraces, or as a supplementary heater at home.
Advantages
The compact form factor and relatively low power consumption enable efficient, on-demand heating for specific zones. Infrared heating provides fast, directional warmth that is felt immediately by occupants and objects in the beam path, reducing heat loss through air circulation. A lightweight, portable enclosure and simple controls allow easy placement and operation. The unit's construction is intended for indoor use and for situations where rapid, targeted heating is preferred over whole-room climate control.
Suitable for
 Workshops and small industrial workspaces where targeted warmth is needed
 Garages and utility rooms during short working periods
 Terraces and enclosed outdoor-adjacent areas when sheltered from direct weather
 Supplementary heating in living rooms, home offices, or bedrooms
 Spot heating for people standing or sitting in a fixed location
Key specifications
 Heating method: infrared (radiant) elements for direct heat transfer
 Design: compact, portable electric space heater suitable for indoor placement
 Controls: manual on/off and adjustable heat settings (simple user interface)
 Intended use: targeted/localized heating rather than whole-room heating
 Mounting: freestanding portable unit for easy relocation
How to use
Place the heater on a stable, level surface at a safe distance from combustible materials and ensure the front-facing element is unobstructed. Connect the unit to a properly rated electrical outlet and switch it on using the control panel. Aim the heater toward the area or occupants requiring warmth and select an appropriate heat setting. Do not leave the heater unattended for extended periods and follow standard electrical safety practices. Allow the unit to cool before moving or storing it.
Usage recommendations
For efficient operation, use the heater for zone or spot heating where occupants remain within the infrared beam. Keep the device clear of curtains, paper, and other flammable items. Use on stable surfaces and avoid extension cords unless they are rated for the heater's power. Regularly inspect the power cord and housing for damage; discontinue use if any fault is found and refer servicing to qualified personnel.

## FAQ

### How much does the Infrared Heater Master Step MAS4A042 cost, and is it available for purchase?

The price is 26.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 200 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 01.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Master products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Master service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12021692/67510052_large.webp