Mini Split Installation in Newcastle, WY
A new system here will heat from September through May and cool from July through August every year. Tell us about the house, and a licensed contractor who covers Weston County will get in touch.
Tell us about the job
It takes about a minute.
Step 1 of 3: Equipment
Newcastle asks a mini-split to run almost year round
Winter nights here average 12°F. Homes need heat from September through May, nine months of the year. Add July and August, when afternoons average 83°F, and a mini-split is working eleven months out of twelve.
A new mini-split has to meet the federal minimum for a split-system heat pump. That is 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. At 12°F the unit is doing real work to hold its heat output, so it needs to be sized for those coldest nights, not just an average day.
- 9 months
- September through May, your system heats
- 2 months
- July through August, it cools
- 12°F
- the average winter night it heats against
- 83°F
- the average summer afternoon it cools against
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
NOAA nClimDiv, 1991–2020 normals
- Is a mini split worth it?
- For most homes it comes down to what the system needs to do. A mini split at 12°F below zero has to work harder than one in a mild climate, and this area sees winter nights that cold from December through February. Look for a cold-climate model rated to hold its heating output at low temperatures, since a unit that's efficient on paper but weak at 12°F will lean on backup heat when you need it most. A contractor can size and spec the right unit for your house.
- How many rooms can a mini split cover?
- A single outdoor unit can run up to eight indoor heads, depending on the model, so it can cover several rooms from one system. Each indoor head is sized to the room it serves, so the right count depends on how many rooms you're heating and cooling and how big they are. A contractor can work out how many heads your house needs and where they go.
- Can a mini split heat a whole house?
- A mini split with enough indoor heads can heat a whole house, and with winters here running September through May, that's nine months of the year it needs to do the job. Cold-climate models are built to keep producing heat down to very low temperatures, which matters given nights here average 12°F in the dead of winter. Whether it can replace your furnace outright or work alongside it depends on your home's layout and heat loss, something a contractor would size for.