---
product_id: 62481450
title: "Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces"
brand: "boulder developments ltd"
price: "3533 kr"
currency: DKK
in_stock: true
reviews_count: 13
url: https://www.desertcart.dk/products/62481450-ventilation-megastore-dhv-04-100b-mvhr-mechanical-ventilation-hrvu-heat
store_origin: DK
region: Denmark
---

# Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces

**Brand:** boulder developments ltd
**Price:** 3533 kr
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces by boulder developments ltd
- **How much does it cost?** 3533 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/62481450-ventilation-megastore-dhv-04-100b-mvhr-mechanical-ventilation-hrvu-heat)

## Best For

- boulder developments ltd enthusiasts

## Why This Product

- Trusted boulder developments ltd brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Free delivery and returns on all eligible orders. Shop Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces.

Review: Everything ok, as described - Everything ok, as described
Review: Very effective - Easy to install, quiet, keeps the air in the room fresh without making it cold. Would totally recommend

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00OQH8EVK |
| Batteries Required? | No |
| Batteries included? | No |
| Customer Reviews | 3.8 3.8 out of 5 stars (35) |
| Date First Available | 9 Feb. 2016 |
| Item Weight | 6.02 kg |
| Manufacturer | Boulder Developments Ltd |
| Manufacturer reference | 0 |
| Package Dimensions | 43.8 x 37.8 x 19.4 cm; 6.02 kg |
| Sound level | 45 Decibels |
| Voltage | 230 Volts |

## Images

![Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces - Image 1](https://m.media-amazon.com/images/I/81R9Mk6m2WL.jpg)
![Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces - Image 2](https://m.media-amazon.com/images/I/61VI0tg+KLL.jpg)
![Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces - Image 3](https://m.media-amazon.com/images/I/718eqrn-rSL.jpg)
![Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces - Image 4](https://m.media-amazon.com/images/I/61+AiO78-wL.jpg)
![Ventilation Megastore | DHV-04/100B | MVHR Mechanical Ventilation | HRVU Heat Recovery | Heat Exchanger | Low Energy Consumption | Reduced Humidity & Condensation | Designed for Smaller Spaces - Image 5](https://m.media-amazon.com/images/I/716kK1lD6TL.jpg)

## Questions & Answers

**Q: Good evening, is it possible for this unit to be provided with a summer bypass?**
A: No

**Q: Can any user comment on how well these units work are the reliable etc thanks**
A: Seems to be working well so far! we use it in a commercial caravan park shower room. There are two showers, and it works well.

**Q: Can i see a plan of how it can be installed**
A: search for Boulder Developments web site. The technical manual  shows typical installation.

**Q: Can the unit be mouted to a wall**
A: Yes - I can’t see why not- you will need some long bolts / screws and make some sleeves up to screw to the wall- I would use rag-bolts myself with some washers

## Customer Reviews

### ⭐⭐⭐⭐⭐ Everything ok, as described
*by R***R on 14 August 2023*

Everything ok, as described

### ⭐⭐⭐⭐⭐ Very effective
*by A***R on 4 January 2022*

Easy to install, quiet, keeps the air in the room fresh without making it cold. Would totally recommend

### ⭐⭐⭐⭐ Nice compact MHRV
*by M***S on 16 March 2020*

Pretty good product, but if you don’t use the switch supplied it does need a relay as you will get voltage feedback down the switched live.

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**Shop now:** [https://www.desertcart.dk/products/62481450-ventilation-megastore-dhv-04-100b-mvhr-mechanical-ventilation-hrvu-heat](https://www.desertcart.dk/products/62481450-ventilation-megastore-dhv-04-100b-mvhr-mechanical-ventilation-hrvu-heat)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-24*