boiler venting solutions 2

https://24hourboilerservicetips.hexaforgey.com/posts/why-a-24-hour-boiler-service-matters-for-commercial-facilities

When upgrading your home's heating system, proper boiler venting solutions are often overlooked but absolutely critical for safety and efficiency. Whether you need a new chimney liner or a direct vent kit, getting the combustion products out correctly keeps carbon monoxide from backing up into living spaces. I've seen too many situations where existing vents are undersized or corroded.