Your boiler and central heating system are designed to keep your property warm and cosy when you need it. Investing in a boiler system from brands such as Warmflow and Ideal Logic will help to ensure efficient and effective heating for your home. Here at EMD, we are specialists in boiler installations and complete the work on time and with minimal disruption to your daily routine. We serve customers in Derry and across Northern Ireland and Southern Ireland. 5 days a week.