Newtown is a historic neighbourhood just north of downtown, with established mid-century housing and a mix of owner-occupied and rental properties. Heating equipment here is often older, and repairs are frequently the right answer where a system has life left in it. The work is the same either way: identify the fault, explain what the rest of the system looks like, then decide.
Dr. Martin Luther King Jr. Way runs through the heart of the neighbourhood and the housing around it includes some of the oldest stock in the city alongside recent infill. That mix puts two different jobs on the same street: a 1950s block house with a furnace closet and a through-roof vent, and a newer build with a heat pump and a sealed attic. Diagnosis starts from what is actually installed rather than from the age of the address.
Rental property makes up a fair share of the housing, and a tenant reporting no heat is a different call from an owner reporting the same thing. Somebody on site has to be able to say what the system does when it runs, and the person living there often describes the symptom more precisely than a service note can. Repairs are frequently the right answer where a unit has life left in it, and a replacement is put forward only when the case for it is clear.