You should aim for at least 3 quotes. This is a sufficient bit of information to have a good idea of what you want. Each individual engineer will give his or her own specific viewpoint when it comes to how to move forward. They will have their own preferred way of working, having their own boilers and heaters. visit It is a good idea to bounce ideas and questions around to test the engineer, to see if he actually has the skills required for the field he will be occupied within. In the not-so-distant past, most of the new employees of the plumbing industry were gas engineers, who couldn’t handle operating their machinery for more than a few nights. After a few months they would end up being moved. These people now are working in that industry and full of confusion as a result. They will not advise you the correct way through a ventilation issue. Although this will be a huge purchase, in the end, it will be worth it and will be well worth the money.Placing an ad in the yellow pages is a very bad idea. You can do anything you want with the leaflets; it doesn’t matter. The best and most trusted way is by the personal recommendation of a doctor by being very inquisitive in talking to your engineer, you get some level of hope for yourself. Checking that the gas meter clearance is checked should also be important. Unfortunately, there are lots of illegal gas engineers operating. These are the kind of people that could cause collateral damage. It is extremely easy to check someone’s gas unsafe registration. As a request, please bring in your Gas Safe Card for inspection. Every engineer carries a card with them and it is amazing to me that less than one percent of clients are willing to ask for ID. Engineers who have finished their studies should be proud of that and love to show them off. So, in the future, do not be too shy about making such a point.