Mini Split Installation in Phillipsburg, NJ
A new system here will heat from October through May and cool from June through August every year. Tell us about the house, and a licensed contractor who covers Warren County will get in touch.
Tell us about the job
It takes about a minute.
What Phillipsburg asks of a mini-split, winter and summer
Your mini-split needs to heat from October through May, eight months a year, then switch over and cool through the summer. On winter nights that average 21°F, it has to pull warmth out of air that's genuinely cold. On summer afternoons averaging 82°F, it's doing the opposite job for the three months it runs.
Any unit installed new has to meet the federal minimum for a split-system heat pump, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. Half the homes here heat with gas, so a new mini-split is often taking on a room the furnace doesn't reach well rather than replacing the whole system.
- 8 months
- October through May, your system heats
- 3 months
- June through August, it cools
- 21°F
- the average winter night it heats against
- 82°F
- the average summer afternoon it cools against
NOAA nClimDiv, 1991–2020 normals
New Jersey requires HVAC contractors to hold a state license.
The license is held by the contractor, not issued job by job, so it covers this installation and everything else that contractor does in New Jersey. Warren County and every town in it are barred from adding their own HVAC license on top of it, so the state board's license is the only one that applies here, no matter which municipality the home is in.
That license covers the contractor, not the inspection of the work itself. In most cities and counties, installing a mini-split needs a permit from the local building office, with an inspection once the work is done, and that is what confirms the unit was set up and connected the way it should be.
Sources: New Jersey Legislature · New Jersey Division of Consumer Affairs
- Is a mini split worth it?
- For most homes it is, especially if part of the house lacks ductwork or has rooms that never heat or cool evenly. A mini split heats down into cold temperatures and cools through summer without any new ducts to install. Here, with heat needed from October through May and winter nights averaging 21°F, the outdoor unit has to be rated for that kind of cold, and most cold-climate models are. A contractor can tell you whether it fits your house better than adding to an existing system.
- How many rooms can a mini split cover?
- A single outdoor unit can run one indoor head or several, depending on the system. A single-zone system handles one room or open area. A multi-zone system runs several indoor heads off one outdoor unit, each with its own thermostat, so bedrooms and living spaces can be set differently. How many heads a given outdoor unit supports depends on its capacity, which is something a contractor sizes to the house.
- Can a mini split heat a whole house?
- Yes, if enough indoor heads are placed to cover the rooms that need it. A single wall-mounted head heats the room it is in and whatever space is open to it, not the rest of the house. Whole-house coverage means a head in each room or zone, sized for how much heat that space loses in winter. With lows here averaging 21°F from December through February, that sizing matters more than it would somewhere milder, and a contractor works it out room by room.