You could still have it your own way. After all, it is still your property and possessions, whether this be your home or your business. But should you choose to have it your own way, just be man enough to put up with the consequences. But just to be on the safe side, to be safe as houses if you will, rather make sure that all future heating system repair work, when required, is done professionally. And do note that when that happens, maintenance work could be proposed as well.
Should it come down to a heating system being replaced altogether, rely on professional expertise to make the system choice on your behalf. The contracted professional should be well-positioned to make a correct recommendation on your behalf once he has had the benefit of a full inspection of your property’s infrastructure. Indeed, heating systems are not always pre-built and installed thereafter.
Once an idea of capacity has been achieved, parts and materials could be assembled wide of the customer’s property. But after the installations have been completed, maintenance checks would have to be the order of the day. While there should be little margin of error at the customer’s costs, there could be initial chinks in the armor which would need to be tweaked or addressed head on. Heating installations used to be one of the most expensive sets of apparatuses or appliances to use.
But not anymore. Units have become smaller, and this size also contributes to them becoming more efficient. Parts and components may have become smaller but they could still be easier to repair. But as for the challenge of finding replacement parts that may remain to be seen. Do yourself the favor of allowing rrepair and maintenance to be done professionally.