Servicing the new orleans metro area for over + years! Read on to learn more about the different types of boilers, combi, heat only and system, and find out the pros and cons of each and what type of home they are most suitable for. Have you used this member before? To ensure our customers' receive a high standard of workmanship, experience and professionalism, our company is accredited and monitored by several trade and industry bodies. How can.