Ductless mini splits in Annandale.
In Annandale a one-zone ductless mini split is $7,000 to $10,000 installed: a wall head for a room the 1960s ductwork serves badly.
- Published price ranges
- Heats and cools, room by room
- Dedicated HVAC team
Get your mini split priced
Annandale rooms the original duct plan left out, from ramblers to condos.
Ductless mini-splits are a bigger part of our Annandale work than anywhere else we work regularly. The housing explains why. About eight in ten homes in 22003 went up before 1980, many of them ramblers and split-levels with one furnace and a duct layout drawn for the rooms the builder put in. Family rooms, enclosed porches and finished lower levels came later, and their ducts, if they got any, were tacked onto the end of a run.
Split-levels show it most. The furnace sits on the bottom floor and sends air up a half flight and a full flight, so the top bedrooms get it last in summer, while a lower level partly below ground stays cool on the same thermostat. A head in the upstairs hall or the rec room gives that level its own control, and the central system keeps serving everything else.
About one home in five here is in an apartment or condo building, mostly garden-style buildings around Little River Turnpike and Columbia Pike and east of Heritage Drive. A condo there may have one closet system that leaves the end bedroom uncomfortable, and a single head fixes it, if the association signs off on the outdoor unit and the hole through an exterior wall, which is usually the association’s too. Ask the management office first.
In a rambler with a back addition and a sunporch, or a split-level with a hot top floor and a cold bottom one, the answer is often two heads, not one. Both on one outdoor unit come to $11,000 to $15,000 installed, three heads to $12,500 to $18,000, and pricing them together beats adding the second later: an outdoor unit sized for one head has no room for another.
Where a mini split usually goes across Annandale.
Census figures for the owner-occupied homes in each place, and the room a ductless head usually ends up in.
| Place | Median home built | Most homes are | Heated with | Where ductless usually fits |
|---|---|---|---|---|
| Annandale | 1967 | single-family houses, about 5 in 10 | gas, about 7 in 10 | Additions, sunrooms and upstairs rooms the old ducts barely reach. |
| Wakefield | 1968 | single-family houses, nearly all | gas, about 8 in 10 | Additions, sunrooms and upstairs rooms the old ducts barely reach. |
| Woodburn | 1968 | single-family houses, about 4 in 10 | gas, about 6 in 10 | Additions, sunrooms and upstairs rooms the old ducts barely reach. |
Annandale houses, by the numbers
From the Census Bureau’s 2020 to 2024 survey, owner-occupied homes unless it says otherwise.
Annandale
- Built before 1980about 8 in 10 Census
- Built since 2000about 1 in 10 Census
- Most homes aresingle-family houses, about 5 in 10 Census
- Heated withgas, about 7 in 10 Census
- Rentedabout 3 in 10 Census
- Ducts in houses this age were often sized for the furnace, not for cooling, so upstairs rooms run warm in July.
- In a gas-heated house a mini split adds heat pump heating to one room; the furnace keeps the rest.
What a ductless mini split costs in Annandale.
Installed, from the price book our HVAC price estimator runs on. A zone is one room with its own indoor head, and you get the price in writing before you decide.
- Ductless mini split, one zone, installed$7,000 to $10,000
- Ductless mini split, two zones, installed$11,000 to $15,000
- Ductless mini split, three zones, installed$12,500 to $18,000
- Ductless mini split, four zones, installed$16,000 to $21,000
- Ductless mini split, five zones, installed$19,000 to $25,000
- Ductless mini split, six zones, installed$23,000 to $30,000
Where you land in a range is mostly the distance from the outdoor unit to the room, the kind of head and the room left in the electrical panel.
The second zone costs the most because it often needs a bigger outdoor unit. Our mini split cost guide explains.
When a ductless mini split makes sense in Annandale.
The back addition is unusable two seasons a year
A family room or enclosed porch added onto a 1960s Annandale rambler often hangs off the last few feet of a duct run, or off nothing at all. If it’s the room everyone avoids in August and again in January, that’s where a head goes.
The far rooms never got the cooling
Plenty of older houses got central air added years after they were built, and the rooms at the end of the duct run are the ones that stay warm.
One room is always wrong
The bonus room, the sunroom, the bedroom over the garage. We check for a closed damper or a crushed duct first; sometimes that’s all it is.
Who signs off on a mini split in Annandale.
How to pick the best mini split installer in Annandale.
Questions worth asking anybody who quotes you, us included.
Is the line set route marked out before you sign?
The refrigerant lines, the drain and the power cable travel from the head to the outdoor unit, straight out the wall behind it in the simplest case. On a split-level or in a condo the path can climb or cross a ceiling. Ask to see it marked before you sign, so nobody decides it on install day.
Did they check the rest of the house first?
If the room’s trouble is a closed damper or a crushed duct, a mini split is an expensive fix for a cheap problem. Ask what they checked first.
Is the whole job in the price?
Ask whether it covers the line set run, the new circuit and putting the walls back, or only the equipment.
What our customers say.
He was very professional and had a great grasp of a mini-split system, the product you use and installation options in my particular space. He must be a very valued resource for your company.
5.0 stars across 884 Google reviews. Read them on our reviews page.
Ductless mini split questions from Annandale.
Can a ductless head take the place of a window unit in an Annandale condo?
Yes. The head mounts high on the wall, the window closes for good, and the outdoor unit goes wherever the association allows: on the ground, a balcony or a bracket on the wall.
Will a mini split replace my Annandale furnace?
Not usually. With gas heating about seven in ten owner homes here, a head covers the room the furnace and central air can’t reach, and the rest of the house stays on the system it has. If the whole system is due, the HVAC price estimator prices that too.
How much does a ductless mini split cost in Annandale?
Installed, one zone is $7,000 to $10,000, two zones $11,000 to $15,000 and three zones $12,500 to $18,000, up to $23,000 to $30,000 for six. The HVAC price estimator gives your number.
Does a mini split heat, or only cool?
Both. A ductless system is a heat pump, and cold-climate models keep heating well below freezing, which covers a Northern Virginia winter.
Ductless mini splits in the towns next door.
- Ductless mini splits in Falls Church
- Ductless mini splits in Springfield
- Ductless mini splits in Dunn Loring
- Ductless mini splits in Burke
- Ductless mini splits in Fairfax
More from SwiftPro in Annandale
- AC repair in Annandale
- AC tune-up in Annandale
- Air duct cleaning in Annandale
- Dryer vent cleaning in Annandale
- Furnace and AC replacement in Annandale
- Furnace repair in Annandale
- Furnace replacement in Annandale
- Furnace tune-up in Annandale
- Heat pump replacement in Annandale
- Plumbing in Annandale
- Sewer camera inspection in Annandale
- Sump pump replacement in Annandale
- Water heater flush in Annandale
- Water heaters in Annandale
Tell us which room it is.
Call, or book online and pick a window. You get the installed price in writing before anything goes on the wall.
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Annandale and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 884 Google reviews. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.
SwiftPro Heating, Cooling & Plumbing, 4230 Lafayette Center Dr, Suite N, Chantilly, VA 20151, (703) 997-9757. Book online, read our reviews, or see every town we serve.