Open 24/7 for emergencies
Heat pump replacement in Paeonian Springs runs $8,499 to $21,650 installed. Electricity heats just over a third of the owner homes.
Price range
$8,499-$21,650
8yrs @ 7.99%
$120/mo
15yrs @ 9.99%
$91/mo
Monthly figures on the starting price, the whole price financed, on approved credit. The lender sets the final terms. How financing works
Get your price in writing
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5.0 stars across 1,132 reviews
One of our HVAC technicians with an electric heat strip kit, the backup heat inside a heat pump’s air handler.
Licensed and insuredVirginia Class A contractor #2705192276
24/7 emergency serviceOften same-day, 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
The same price book as our heating page and the HVAC estimator, for a heat pump and air handler, 2 to 5 ton.
A heat pump system, outdoor unit and air handler, installed
$8,499 to $21,650
or $142/mo at 0% APR for 60 months
A gas furnace and air conditioner together, installed
$8,898 to $23,000
or $148/mo at 0% APR for 60 months
Diagnostic visit, when a repair may do
$99
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
Might it be a repair? The diagnostic visit is $99, and the tech prices the repair and the replacement side by side. Financing is available, subject to approval.
With Comfort+ membership at $199 a year, the diagnostic visit is included, and half of each repair bill is banked toward replacing that system, up to $1,500.
What’s different in Paeonian Springs
Electricity is the main heat in just over a third of ZIP 20129’s owner homes, and the Census counts a heat pump under that heading. Where a house has one, it is usually a pair: an outdoor unit, an air handler indoors and electric backup strips. Swapping the pair runs $8,499 to $21,650 installed. Pick the heat pump option on the HVAC estimator quiz and it prices a system for your house.
Propane burns in nearly half the owner homes, and the Census shows natural gas at zero. In a propane house the heat pump usually takes over the air conditioner’s spot outdoors while the furnace stays as the cold-night heat. The mild weeks go to the heat pump. For comparison, a furnace and air conditioner changed together land at $8,898 to $23,000.
Nearly one owner home in five heats with oil. Oil burners are not something we service, but moving off one to a heat pump is ours to price. A house on a ground-source system is another matter: Loudoun County permits geothermal wells for ground-source heating and cooling, while the range on this page is for an air-source heat pump and its air handler.
A heat pump runs on electricity alone, and power is what storms take here. On July 15, 2024, wires and a few poles came down near Clarkes Gap Road and Hurley Lane. No heat pump keeps running through an outage, and the blower on a furnace needs power too. Ask the installer what your house does when the lines are down, before you choose.
When it’s time
Light frost on the outdoor coil in the morning is the unit doing its job. Ice still there by afternoon means the defrost cycle is not doing its job. Air that stays lukewarm all winter points the same direction. The diagnostic visit is $99.
It heats all winter and cools all summer, so it piles up hours an air conditioner never sees. Past 15 years, price the replacement beside any big repair.
Most heat pumps installed before 2010 hold R-22, which hasn’t been made since 2020. A leak on one is usually where recharging stops making sense.
Choosing who installs it
Questions to ask anybody who quotes you, us included.
Three heat sources turn up in 20129, and each starts a different job: a propane house adds a heat pump beside the furnace, an all-electric house swaps the pair, and an oil-heated house trades the burner for a heat pump system. An installer who skips the question is guessing.
Copying the old nameplate repeats whatever guess was made when the house was built. The wrong size runs worse in both seasons.
A heat pump system is the outdoor unit plus the air handler inside. Ask whether the quote covers both, matched, in writing.
Set wrong, the electric strips run on mild days. Ask who programs the thermostat and at what outdoor temperature the strips may come on.
Two of our crew going over a work order before the day's calls.
From our Google reviews
5.0 stars across 1,132 reviews. Read them on our reviews page.
SwiftPro came today to install our new HVAC system and they were fantastic. They were super courteous and well organized and kept the whole place clean and tidy the entire time. The price was reasonable and the whole experience was amazing. Highly recommend them!
Where we work
Next door to Paeonian Springs: Waterford, Hamilton, Leesburg, Lovettsville and Purcellville.
Questions
A heat pump can carry most of the year, but a propane house usually keeps the furnace for the deepest cold. The installer should tell you where the thermostat makes the handoff. Installed, the heat pump system lands in $8,499 to $21,650; the estimator quiz gets it down to your own house.
A heat pump that old has worked in both seasons for nearly three decades. A $99 diagnostic shows whether the trouble is one part or the whole unit, and the repair gets a written price you can set beside a replacement. If it is past saving, we say so.
$8,499 to $21,650 installed for a heat pump system, the outdoor unit and the air handler, 2 to 5 ton. A small single-stage system lands near the bottom, a big variable-speed one near the top. The HVAC estimator narrows it to your house.
A heat pump system runs $8,499 to $21,650 installed; a gas furnace and air conditioner together, $8,898 to $23,000. No gas line usually means a heat pump. With gas, you can keep the furnace and add one; our heat pump vs gas furnace guide runs the numbers.
Ready when you are
Call, or send the form at the top. The price is in writing before the old unit comes out, and if a repair makes more sense, you’ll hear that first.
SwiftPro Heating, Cooling & Plumbing
4230 Lafayette Center Dr N, Chantilly, VA 20151
44679 Endicott Dr, Suite 211, Ashburn, VA 20147
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 Paeonian Springs and the rest of Northern Virginia. Virginia contractor license #2705192276. 5.0 stars across 1,132 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.