HVAC Installation in Lancaster, PA
A new system here will heat from October through April and cool from June through August every year. Tell us about the house, and a licensed contractor who covers Lancaster County will get in touch.
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Ten months of the year, your system is working
Lancaster County asks a new system to heat from October through April and cool from June through August. That is ten months of the year with the furnace or the AC running, and only two months where neither one has to. Winter nights average 24°F, so a new furnace has to hold its own on real cold, not just take the edge off. Summer afternoons average 84°F, which is enough heat that a properly sized system matters more than a powerful one.
A new install here should also account for what the grid does in a storm. Pennsylvania saw 15% of households lose power for 24 hours or more in 2024, and the region has logged 16 winter storms and 215 damaging wind events over the past ten years. If part of your plan is electric heat, that is worth weighing against what happens when the power goes out on a 24-degree night.
- 7 months
- October through April, your system heats
- 3 months
- June through August, it cools
- 24°F
- the average winter night it heats against
- 84°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
Pennsylvania requires contractors to register with the state.
That registration puts the business on file with the state. Nobody tested the contractor's HVAC knowledge to get there, and no license backs the work up. Pennsylvania also keeps cities and towns from layering on their own HVAC license, so the registration is the same wherever in the state you are, including here in Lancaster County.
Since there's no license behind the work, the check on this job comes from the local building office. In most cities and counties, installing a heating and cooling system needs a permit, and the work gets inspected when it's done. That inspection is what catches a bad gas connection or a system put in wrong, not the state registration.
Source: Pennsylvania General Assembly
- When should I replace my HVAC system?
- Replace it when repairs start costing more than they used to, or when the same part keeps failing. A furnace or air conditioner past 15 years is working harder than it should, and one that struggles to keep up on the coldest nights or hottest afternoons here is telling you something. If a contractor has been out more than once this year for the same unit, that is usually the sign to stop repairing and start planning a replacement.
- Should I replace my furnace and air conditioner at the same time?
- If they are close in age, replacing them together often makes sense, but it depends on the condition of each unit. A furnace and air conditioner installed at the same time tend to wear out around the same time too, so if one is failing the other may not be far behind. Homes here run the furnace seven months a year and the air conditioner three, so the furnace usually carries more of the load and wears faster. A contractor can look at both and tell you whether replacing one now and planning for the other makes more sense than doing both at once.
- What happens during an HVAC installation?
- A contractor removes the old equipment, checks the ductwork and connections it will use, and sets the new furnace, air conditioner, or both in place. They connect the gas line, electrical, and refrigerant lines as needed, then run the system to check airflow, temperature, and pressures against what the equipment is rated for. Before they leave, they should walk you through the thermostat and anything specific to your new system. The exact steps depend on whether it is a straight swap or a change in equipment type, so ask the contractor what to expect for your install.