HVAC Installation in Plano, TX
A new system here will heat from November through March and cool from May through October every year. Tell us about the house, and a licensed contractor who covers Collin County will get in touch.
Tell us about the job
It takes about a minute.
Eleven months of the year, your system is working
From November through March your furnace holds the house against nights that average 36°F. From May through October your AC runs against afternoons that average 93°F. That is eleven months a year with one system or the other on, and some weeks in spring and fall ask for both.
Nearly half the homes in this area heat with electricity, so the furnace depends on the same power supply the AC does. Statewide, a third of households went at least 24 hours without power in 2024. A new system here has to carry a long cooling season and a real winter, and hold up through storms that can take the power down.
- 5 months
- November through March, your system heats
- 6 months
- May through October, it cools
- 36°F
- the average winter night it heats against
- 93°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Texas requires HVAC contractors to hold a state license.
The Texas Department of Licensing and Regulation tests HVAC contractors before it licenses them, and it keeps a record of who holds one. That license belongs to the contractor, not to any single job, so it tells you the person or company has met the state's standard, not that this particular installation has been checked.
For a heating and cooling installation, that check comes from the local building office. In most cities and counties, putting in a new furnace, air conditioner or heat pump needs a permit before the work starts and an inspection once it is done. The license tells you who is allowed to do the work. The permit and inspection tell you whether this installation was done right.
Source: Texas Department of Licensing and Regulation
- When should I replace my HVAC system?
- Age and the pattern of repairs tell you more than any single breakdown does. Once a furnace or air conditioner is old enough that parts are wearing out one after another, replacing it stops the cycle of paying for repairs on a system that is on its way out anyway. Homes here need cooling from May through October and heat from November through March, so there is not a long stretch of the year where a failure is just an inconvenience. A furnace that quits on a 36°F night, or an AC that quits on a 93°F afternoon, is a problem the same day it happens.
- Should I replace my furnace and air conditioner at the same time?
- If both are old, replacing them together is usually the better route. A furnace and air conditioner installed at different times are often matched to different standards, and pairing an old unit with a new one can mean the new one never runs at its best. Doing both at once also means one installation instead of two, with one visit for the ductwork and airflow checks that both systems depend on. If only one has actually failed, there is no reason to replace the other early just because they are paired. A contractor can look at the age and condition of each and tell you honestly whether they are worth pairing or replacing separately.
- What happens during an HVAC installation?
- The old furnace or air conditioner comes out first, along with anything tied to it that is being replaced, like the thermostat or the outdoor unit's pad. The contractor sizes the new equipment to the house, connects it to the existing ductwork and to the gas, electrical, or refrigerant lines it needs, then checks the ducts for leaks or damage before closing everything up. Once it is running, the contractor checks refrigerant levels, airflow, and the thermostat to make sure the system is actually heating and cooling the way it is supposed to. Texas requires HVAC contractors to hold a state license through the Texas Department of Licensing and Regulation, so ask to see that license before work starts.