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Digital Subscriptions > Build It > June 2019 > Ventilation options

Ventilation options

Banishing stale air and introducing a fresh supply is a key factor when it comes to establishing a healthy living environment. Rebecca Foster explores the myriad solutions available
This illustration from Envirovent shows the airflow in an MEV system. The stale air is drawn into the central unit and expelled to the exterior of the house

The drive to create a super-insulated, airtight house sits at the top of many self builders’ priority lists. However, good ventilation is also important, and is a vital factor in establishing a healthy living environment. “Poor air quality can lead to a multitude of issues within the home, including a high level of humidity that leads to condensation, the growth of damp and the accumulation of unpleasant smells,” says Tim Bartlett, director at CVC Direct.

Other consequences may include the build-up of potentially harmful allergens and contaminants. “When there’s not enough ventilation, pollutants such as VOCs (volatile organic compounds), formaldehydes and radon can accumulate,” says Stefan Huber, director of Paul Heat Recovery Scotland. “These can have long-term health implications, including cancer and impaired lung function.”

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About Build It

The latest issue of Build It, Britian's first magazine for self builders and renovators, is packed full of practical advice, inspiring readers' homes and expert guidance on everything from planning and design through to budgets and specificying materials. In the June 2019 edition: - Build It's Self Build Education House: We're building next door to Grand Designs The Street! - Complete guide to planning success - Cost-saving secrets for home renovations - Extension cost guide - Roofs: Repair or replace - Building an oak home ... and much more!