Ductless Mini-Split Installation Cost in Maryland

Ductless mini-split installation in Maryland costs $4,000 to $9,300 in 2026, though city-to-city prices vary quite a bit. Heating drives most HVAC spending in Maryland: its larger communities average 4,352 heating and 1,383 cooling degree days a year.

Ductless Mini-Split Installation Prices in Maryland Cities

City	Estimate	Heating / cooling degree days
Baltimore	$3,000 to $7,100	3,858 / 1,748
Columbia	$4,300 to $10,200	4,313 / 1,469
Germantown	$4,100 to $9,700	4,977 / 990
Frederick	$3,700 to $8,800	4,275 / 1,397
Waldorf	$4,100 to $9,500	4,588 / 1,029

From 2020 through 2025, NOAA recorded 224 winter storm and ice events, 165 heat events, 60 extreme cold events and 205 hail reports in Maryland. Those are the days when emergency HVAC calls pile up.

When It Makes Sense

The house or addition has no ductwork
One room is always too hot or too cold
You want to get rid of window units or baseboard heat
You're finishing a basement, attic or garage

What Moves the Price

How many zones (indoor heads) you need
BTU capacity for each zone
A cold-climate model or a standard one
Line set length and how many holes go through the wall
A dedicated electrical circuit and disconnect

Common Questions

How much does a multi-zone mini-split cost?

Installed, most multi-zone systems run $8,000 to $18,000, depending on the number of zones and the brand.

Can a mini-split heat a whole house?

In a smaller house or an open floor plan, yes. Bigger houses usually need several zones or a ducted heat pump.

Other HVAC Prices in Maryland

Get Free Ductless Mini-Split Installation Quotes

Tell us where you are and up to three licensed local pros will get in touch. You don't have to hire any of them.