Ybor City's building stock runs from nineteenth-century brick to recent infill, and a good share of the properties are multi-unit. That changes the job: a building may have several heaters serving different floors or tenants, and identifying which unit serves which tap is the first practical question.
In the older buildings, heaters are often tucked into a service alcove, a rear addition or a space shared with other equipment, and gas is common. Shared walls and narrow service corridors mean the route for a replacement has to be agreed with the owner or manager before the day of the work.
Venting gets close attention here, because a flue that was acceptable when the building was converted may not meet current requirements. That is checked honestly, including when the answer is that the installation needs more work than a straight swap.
Brick construction and shared party walls make this one of the more awkward parts of the city for a tank swap. Sound travels, dust travels, and a service corridor may be the only route. Scheduling the work for a quiet part of the day and agreeing the route with the building owner is usually the difference between a smooth job and a complaint.