HVAC Installation in Murfreesboro, TN
A new system here will heat from October through April and cool from May through September every year. Tell us about the house, and a licensed contractor who covers Rutherford County will get in touch.
Tell us about the job
It takes about a minute.
Rutherford County runs its system almost year round
Heat is on October through April here. Cooling picks up right after, May through September. That is 12 months where the system is doing one job or the other, with barely a break between.
Winter nights average 31°F, so the furnace side does not face the hardest cold. Summer afternoons average 88°F, and the air conditioner runs through that heat for five straight months. A new system here needs to hold up to both, not just get sized for one season and tolerate the other. Most homes in the area heat with electricity, so a furnace or heat pump replacement is also a decision about what draws on the power supply hardest. Wind and winter storms both show up in the record here, and with a fifth of Tennessee households losing power for a day or more in 2024, it is worth asking how a new system handles an outage and comes back once the power does.
- 7 months
- October through April, your system heats
- 5 months
- May through September, it cools
- 31°F
- the average winter night it heats against
- 88°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
- When should I replace my HVAC system?
- Replace it when repairs get more frequent or a major part fails on a system that has already put in a lot of years. An older air conditioner or furnace is more likely to break down at the worst time, and here that means either a cold night in the December through February stretch or a stretch of 88 degree afternoons between May and September. If a contractor quotes a repair that costs a large share of what a new system runs, that is usually the point where replacing makes more sense than fixing again.
- Should I replace my furnace and air conditioner at the same time?
- If they are close in age, yes, it usually makes sense to do both together. A furnace and air conditioner installed at the same time share a blower and are matched to work as one system, so pairing an old furnace with a new air conditioner, or the other way around, can leave one part working harder than it should. Homes here run the furnace from October through April and the air conditioner from May through September, so both sides see real use and wear most of the year. A contractor can look at the age and condition of each unit and tell you whether replacing one now and the other later makes sense for your house.
- What happens during an HVAC installation?
- A contractor removes the old furnace or air conditioner, or both, and sets the new equipment in place, then connects it to the existing ductwork, gas line or electrical circuit, and refrigerant lines. They check that the ducts are sized right for the new unit, since a system that is too big or too small for the ductwork will not heat or cool evenly. Once it is connected, they test it through a full cycle, check the airflow and refrigerant charge, and confirm the thermostat is talking to the system correctly before they leave. The exact steps depend on whether it is a straight swap or the ductwork and lines need changes too, so a contractor can walk you through what your specific job involves.