Open 24/7 for emergencies
For condo HVAC in Woodbridge, a whole condo system replaced is $7,900 to $14,000, from our own condo jobs. Call SwiftPro, rated 5.0 stars across 1,130 reviews, at (703) 997-9757, 24 hours a day, 7 days a week.
Price range
$7,900-$14,000
8yrs @ 7.99%
$112/mo
15yrs @ 9.99%
$85/mo
Monthly figures on the starting price, the whole price financed, on approved credit. The lender sets the final terms. How financing works
We install in Woodbridge under Virginia Class A contractor license 2705192276, and SwiftPro is rated 5.0 stars across 1,130 reviews. We cover condo HVAC replacement in Woodbridge and Lake Ridge: hydro-air systems fed by a building boiler, and First Co Aquatherm coil units in older buildings. By type, a First Co runs $7,900 to $12,500, a MagicPak $8,500 to $13,400 and a water source heat pump $9,100 to $10,300. Just the fan coil or air handler is $4,500 to $5,100.
5.0 stars across 1,130 reviews
Two of our HVAC technicians in a mechanical room, the kind of tight space most condo systems live in.
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Licensed and insuredVirginia Class A contractor #2705192276
24/7 emergency serviceWe answer day or night, and we will tell you honestly when we can get there.
Our own HVAC installersA dedicated heating and cooling team, separate from our plumbers
Price in writing firstYou see every option priced before anything is ordered
What it costs
From our own condo jobs, the same book as our condo HVAC page: the equipment, the crew, hauling the old unit out and starting the new one up. Every row is a real range we’ve sold, never a starting price.
Fan coil or air handler only
$4,500 to $5,100
or $75/mo at 0% APR for 60 months
PTAC replacement (per unit)
$2,600 to $4,400
or $43/mo at 0% APR for 60 months
Through-the-wall AC and coil only
$6,100 to $8,000
or $102/mo at 0% APR for 60 months
First Co system replacement
$7,900 to $12,500
or $132/mo at 0% APR for 60 months
MagicPak replacement
$8,500 to $13,400
or $142/mo at 0% APR for 60 months
Water source heat pump replacement
$9,100 to $10,300
or $152/mo at 0% APR for 60 months
Hydro-air system (AC plus water-coil air handler)
$11,000 to $14,000
or $183/mo at 0% APR for 60 months
System plus the water heater in the same closet
$12,000 to $16,000
or $200/mo at 0% APR for 60 months
Monthly figures: 60mo @ 0% APR on each starting price, the whole price financed, on approved credit. Longer plans lower the payment and cost more in total. The lender sets the final terms. How financing works
Prices checked .
Where you land in a range is mostly access: a closet off the hall on the first floor is the easy end, a top floor with no elevator or a condenser that has to go up by crane is the other.
Most condo systems are built to fit one closet or one wall sleeve, so the new unit has to match that footprint. We measure before we price, so nothing gets ordered that won’t fit.
What’s different in Woodbridge
Woodbridge has an unusually big condo base for Prince William County. About three in ten homes in the Woodbridge area sit in apartment-style buildings, and the median owner home dates to 1976. Around the Route 1 corridor and over toward Lake Ridge (22192 and 22193), the condo systems we replace are mostly hydro-air: a fan unit in the closet that heats with hot water, with an outdoor condenser for cooling.
Hot water heat is the part that surprises people. In a hydro-air system the heat comes from a coil that hot water runs through, and in some buildings that water comes from a boiler the whole building shares. Before we swap the air handler, someone has to confirm where your hot water comes from and whether the building can shut off just your branch. If it can’t, the work gets scheduled around the boiler, not around your calendar.
This September we replaced a First Co Aquatherm along with a 2.5 ton Rheem. The Aquatherm is First Co’s hot water coil unit, and it only works as a match: the coil, the blower and the condenser have to agree on size. So the two pieces went in together, which is what we recommend whenever the old air handler and outdoor unit are both past their best years.
Owners in a 1970s building often ask whether the boiler piping counts as theirs. Under Virginia law, the equipment that serves only your unit is yours unless your condo documents say otherwise. A boiler or a riser that feeds several units belongs to the association. We stop at the shutoff valve and call the management office for the rest.
Neighborhood by neighborhood
Census figures for the owner-occupied homes in each place, and the kind of condo system we usually find in buildings that age.
| Place | Median home built | Most homes are | Heated with | What condo system you’ll usually find |
|---|---|---|---|---|
| Dale City | 1983 | single-family houses, about 7 in 10 | gas, about 7 in 10 | A First Co or MagicPak in a closet. |
| Lake Ridge | 1985 | townhouses, about 4 in 10 | electricity, about 5 in 10 | A First Co or MagicPak in a closet. |
| Woodbridge | 1976 | single-family houses, about 4 in 10 | gas, about 5 in 10 | Through-the-wall units or a water loop. |
| Leesylvania | 2006 | single-family houses, about 4 in 10 | gas, about 6 in 10 | A closet air handler, condenser outside. |
| Potomac Mills | 1988 | single-family houses, about 6 in 10 | electricity, about 7 in 10 | A First Co or MagicPak in a closet. |
| County Center | 2006 | townhouses, about 4 in 10 | gas, about 6 in 10 | A closet air handler, condenser outside. |
By the numbers
From the Census Bureau’s 2020 to 2024 survey. Median year built and heat count owner-occupied homes only.
The signs
If the closet unit blows air that’s barely warm in January while your neighbors are fine, the coil may be scaled up or the control valve stuck. A hydro-air unit that can’t be fixed on that visit usually means a new coil or a new air handler.
A condo system that never shuts off in July, or a bedroom that stays a few degrees off the thermostat, is usually a compressor or coil near the end. Repairs at that age tend to come back.
A drain pan that overflows in a closet over somebody else’s ceiling is a bigger problem than it is in a house. On an older unit, a rusted pan or a cracked coil often means the whole unit is due.
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Choosing who replaces it
Questions to ask anybody who quotes your condo system, us included.
A hydro-air or Aquatherm swap involves water piping, an outdoor condenser and the drain pan, so ask whoever quotes you if they handle all three. A company that only does refrigerant will hand you off halfway.
A First Co, a MagicPak and a water source heat pump are different jobs at different prices. Anyone who quotes without the model on the label is guessing.
In Virginia, unless your condo documents say otherwise, the equipment that serves only your unit is yours to replace, but changing the outside of the building needs the association. Ask whether they’ll work with the management office on roof access or a wall sleeve.
Two of our crew going over a work order before the day's calls.
From our Google reviews
5.0 stars across 1,130 reviews. Read them on our reviews page.
Elvis Diaz did an excellent job cleaning our condo’s HVAC system. He was very knowledgeable about maintaining the unit and the price was very reasonable.
Where we work
Next door to Woodbridge: Fairfax.
Questions
Look for two copper water lines going into a coil on the air handler in your closet, plus an outdoor condenser. In 22192 and 22193 that combination is common, and the label on the cabinet confirms it.
Usually, yes. A new coil and blower with a 15 year old condenser is a mismatch that costs you efficiency. We price both so you can see the gap, and the Rheem pairing from September is a good example of a matched set.
$7,900 to $14,000 for a whole system, from our own condo jobs. A First Co runs $7,900 to $12,500, a MagicPak $8,500 to $13,400, a water source heat pump $9,100 to $10,300. Just the fan coil or air handler is $4,500 to $5,100.
Under Virginia law, unless your condo documents say otherwise, the parts that serve only your unit are yours, even a condenser on the roof or your patio. Parts serving more than one unit belong to the association. Check your documents; we’ll work with whoever owns it.
Ready when you are
Call, or send the form at the top. We look at the unit, measure the closet, and you get the price in writing before anything is ordered.
SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
SwiftPro Plumber & Water Heaters
4200 Lafayette Center Dr, Suite N, Chantilly, VA 20151
Virginia Class A contractor license #2705192276
SwiftPro Heating, Cooling & Plumbing is a licensed, BBB Accredited (A rating), independently owned heating, cooling and plumbing company in Chantilly, serving Woodbridge and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 1,130 reviews on Google, Angi, Yelp, the BBB and Facebook. SwiftPro maintains a dedicated HVAC team and a dedicated plumbing team.
From SwiftPro Heating, Cooling & Plumbing in Chantilly. Housing figures are the Census Bureau’s American Community Survey, 2020 to 2024, for each place named; permit, water and sewer facts link to each office’s own page and were checked in September and October 2026.