A minimalist bedroom with dark grey walls, a large bed with charcoal bedding, a sleeping cat, two warm-toned wall sconces, and a wall-mounted air conditioning unit.

Mini Split Installation in Silverthorne, CO

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Step 1 of 3: Equipment

What kind of equipment?*

A golden retriever sleeps on a neatly made bed in a minimalist bedroom equipped with a wall-mounted air conditioning unit.

A mini-split here runs heat all year

Silverthorne needs heat every month of the year. Winter nights average 8°F from December through February, and summer afternoons only reach 68°F, so cooling barely enters into it. A mini-split installed here has to hold up on the coldest nights and keep working the rest of the year too, since there's no season where it gets to rest.

Any mini-split installed today has to meet the federal minimum for a split-system heat pump, 14.3 SEER2 for cooling and 7.5 HSPF2 for heating. In a place that heats year round, that HSPF2 number is the one that matters.

8°F: the average winter night it heats against
68°F: the average summer afternoon it cools against

Isometric line illustration of a cutaway house showing an interior wall-mounted air conditioning unit connected by a line to an outdoor condenser beside the exterior wall.

Is a mini split worth it?: For most homes in Silverthorne, yes, especially as a heat pump system since heat is needed here all year. Cold climate heat pump models are built to keep producing heat down into single digit and below zero temperatures, which matters when winter lows average 8°F. A mini split also heats or cools only the room it's installed in, so it works well for an addition, a garage, or a space a furnace doesn't reach well.
How many rooms can a mini split cover?: A single outdoor unit can run one indoor head or several, depending on the system. Multi-zone systems typically support anywhere from two to eight indoor heads off one outdoor condenser, each with its own thermostat. A contractor will size the system to the square footage and layout of the specific rooms being covered.
Can a mini split heat a whole house?: It can, with enough indoor heads placed to reach every room, but that takes real planning. An open layout may need fewer zones, while a home with several closed-off rooms needs a head in each one to heat evenly. Given how cold it gets here, a contractor should size the system against the home's actual heat loss at 8°F, not just its square footage.

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