Several factors affect the cost of installing a boiler in Spring Valley, and they can vary widely. First, you need to choose the type of boiler. The main options are gas, electric, and oil. Then, you need to pick a brand and model. And, you need to make sure that the size and heating capacity are appropriate for your space. If your space has very large or very small requirements, or if it has any additional installation needs (like needing a fairly complex system to actually fit and work in your space), then you can expect to pay at least $3,500 and possibly up to $12,000 or more to get a standard installation done.