01 / One space
Single-zone system
One outdoor unit paired with one indoor unit for a defined room or open area.
PRO Electric plus HVAC · Northern Virginia
Mini-split comfort.
Right where
you need it.
Make that room feel like home. Ductless mini-split installation and repair in Northern Virginia. From a stubbornly hot bedroom to a whole-home plan, we bring the room design, HVAC equipment, and electrical work together.
Fairfax · Loudoun · Arlington · Prince William
Virginia contractor license 2705181607
Free installation estimateA clear scope before the work
Sized for the homeLoad assessment comes first
HVAC + electricalOne licensed local team
Northern VirginiaFour local counties
Ductless mini-splits in Northern Virginia
The room you avoid.
The space you could enjoy.
A ductless mini-split delivers heating or cooling directly to a room or area through an indoor unit connected to outdoor equipment. Many models do both. It can be a practical option for additions, offices, bonus rooms, or homes without existing ducts.
We plan the space first: the room load, doors, air path, outdoor location, drainage, and electrical supply. Then we compare the equipment that fits.
Build your mini-split project brief →Single-zone vs. multi-zone mini-splits
One outdoor unit?
Let’s compare.
The tidiest outdoor layout is not always the best operating plan. Explore three approaches, including what happens when only one room calls for heating or cooling.
02 / Shared outdoor equipment
Multi-zone system
Several indoor units share one compatible outdoor unit.
03 / Independent systems
Separate single-zone systems
Independent outdoor-and-indoor pairs for selected spaces.
01 / One space
Give one space a system of its own.
A single-zone system can serve an addition, office, or other defined area. Match the indoor unit to that space and plan how air reaches the occupied area.
- The setup
- One outdoor unit + one indoor unit
- Where to start
- Assess the room load, door positions, mounting location, and connection route.
Keep in the plan
A head in a hallway cannot be assumed to heat or cool closed bedrooms. Coverage depends on the layout.
Ask during your estimate: Which rooms does this proposal actually serve?
One team for the complete installation
The right comfort.Without the bigger-sale reflex.
We compare shared and independent systems around how you use the rooms. More indoor heads, a bigger outdoor unit, or a higher rating alone does not make a better plan.
A few choices. A more useful estimate.
Your rooms.
Your mini-split brief.
Tell us where you want comfort, when the rooms are used, and what matters most. Get a brief to copy for your estimate conversation.
What are you planning?
What matters most? Select any.
Not sure? Leave a choice blank.
Your estimate starting point
Start with the rooms you want to use.
Choose your project, room schedule, and comfort priorities. Your brief collects questions for a home assessment. It does not select a system or calculate capacity.
For this project
Rooms and schedules
Describe the rooms and their usual schedules during the estimate. We can compare shared and independent equipment without assuming every room needs its own head.
The heating conversation
Confirm whether the quoted model provides cooling only or both heating and cooling. Many ductless systems are heat pumps, but the exact equipment matters.
Questions based on your priorities
Your choices stay on this page. This brief is not a load calculation, equipment recommendation, price quote, or appointment. Keep it for the conversation; nothing has been sent.
The installation behind the comfort
A compact unit.
A complete scope.
There is more to ductless installation than mounting a head on the wall. Compare the finished work, including the parts behind the wall and beside the outdoor unit.
No automatic panel upgrade. We assess the actual equipment requirements and available electrical capacity. Supporting work belongs in the proposal, not as a surprise.
Room loads and coverage
Assess windows, insulation, room use, and doors. A head count or square-foot rule does not replace a room-by-room plan.
Which rooms will this system serve?Approved equipment match
Check the proposed indoor/outdoor combination, line-length limits, minimum output, and available heating and cooling capacity.
How does it perform with only one small zone calling?Placement and access
Plan airflow, indoor appearance, outdoor clearances, vibration control, and space for future service.
Where will units, supports, and line covers go?A deliberate drain route
Indoor cooling condensate needs a suitable route. Some layouts need a pump. Outdoor defrost water also needs consideration.
Is drainage, including any pump, in the price?The right electrical scope
Supply arrangements differ by system. We assess capacity, circuits, disconnects, and manufacturer requirements together.
What electrical work is included?Startup and handoff
Check refrigerant connections, manufacturer startup procedures, drains, controls, and operation. Review care and warranty documents.
What commissioning records will I receive?Already have a mini-split?
Keep it comfortable.
Know when to call.
Maintenance and repair are different visits. Tell us what changed, which rooms are affected, and any displayed code so we can discuss the appropriate service.
Keep airflow clear.
Follow your manual for user-accessible filter care. Keep furniture clear of the indoor air path and the outdoor unit free of loose debris.
- Use the manufacturer’s cleaning method.
- Schedule professional coil, blower, and drain care.
- Keep model numbers and service records.
Notice a change?
Weak output, dripping water, unusual noise, or an error code can have several causes. A symptom alone does not identify a failed part.
- Note the affected room and mode.
- Photograph the code if safely visible.
- Do not add refrigerant or open electrical compartments.
Do not keep restarting.
Stop using equipment with repeated breaker trips, a burning smell, or water reaching electrical parts. Arrange professional service.
- For smoke or fire, leave and call 911.
- Stay clear of wet electrical equipment.
- Do not repeatedly reset a tripping breaker.
A clear path from idea to installation
Your room plan.
Our next steps.
- 01
Assess the spaces.
Walk through room use, comfort concerns, existing equipment, placement, and electrical supply. Discuss the room-by-room loads.
- 02
Compare a written scope.
Review zone layout, equipment models, electrical and drainage work, applicable permits, price, warranty, and exclusions.
- 03
Install and verify.
Coordinate equipment, supports, connections, drainage, electrical work, and manufacturer startup checks.
- 04
Learn the controls.
Review room settings, operating-mode limits, filter care, service access, and the documents to keep.
Ask about payment options.
Veteran discount programFinancing is available on request. Confirm current terms and eligibility for the veteran and military discount program with your proposal.
Think beyond the hottest afternoon
Summer comfort.
A winter plan, too.
If the mini-split will heat the space, compare its cold-weather output with the room’s heating load. Discuss defrost operation and any backup heat before choosing the equipment.
Comfort is more than temperature. Most ductless room units recirculate indoor air. They do not replace dedicated ventilation, repair water intrusion, or guarantee humidity control.
Understand heat pump systemsYour Northern Virginia neighbors
Hear from our customers.
Reviews of PRO Electric plus HVAC from homeowners and businesses in our community.
Your home. Your priorities.
Let’s make that
room comfortable.
Request a free mini-split installation estimate. Tell us which rooms you want to use, when you use them, and what needs to change.
Request your free installation estimate
Open the form in a new tab ↗Share your address and project. We’ll follow up to discuss the estimate; this request does not confirm an appointment or installation date.
Choose Installation → AC → Mini-Split for a new mini-split project. For an existing system problem, choose the applicable service request. Keep your planner brief for the conversation, or paste it if an additional-information field appears.
Installation estimates are free. Diagnostic and repair visits are separate services and may carry charges. More ways to contact PRO.
Answers before you choose
Mini-split questions,
answered.
Room coverage, zone layouts, winter heat, electrical work, and care.
Ask PRO: 703-225-8222What is a ductless mini-split?
A mini-split connects outdoor equipment to indoor units through refrigerant lines and wiring. Ductless indoor units deliver air directly to the space without central supply ducts. Many models are heat pumps that provide both heating and cooling; cooling-only models also exist.
Is one multi-zone system better than several single-zone systems?
Neither layout wins automatically. Compare room loads, schedules, minimum equipment output, shared-mode limits, outdoor space, electrical work, installed cost, and service needs. A shared outdoor unit reduces equipment locations but can take every connected zone offline if it fails.
Can one indoor head serve several bedrooms?
Do not assume it can. Closed doors, hallways, room loads, and airflow paths affect coverage. We assess the intended rooms and compare indoor-unit locations or other distribution options. One head per floor is not a reliable design rule.
Can connected rooms heat and cool at the same time?
Most residential multi-zone heat-pump systems require connected indoor units to share the heating or cooling mode, even when setpoints differ. Specialized systems may offer different capabilities. Confirm the operating limits of the exact proposed equipment.
Do mini-splits work in Northern Virginia winters?
An appropriately selected heat-pump model can provide winter heating. Review its heating capacity at the local design temperature against the space’s heat loss, including defrost and any backup plan. A cooling capacity label alone does not establish winter heating capability.
What size mini-split do I need?
Capacity should follow a room-by-room load assessment and equipment selection. Windows, insulation, sun exposure, air leakage, room use, and design temperatures matter. For multi-zone systems, approved combinations and minimum output also matter. Square footage alone is not enough.
Does every indoor head need a separate electrical circuit?
No. Power arrangements vary by manufacturer and system. Some indoor units receive power through the outdoor equipment; others have different supply requirements. We size circuits, wiring, breakers, and disconnects for the exact equipment and applicable requirements.
Will I need an electrical panel upgrade?
Not necessarily. We assess available capacity, the existing service and panel, and the proposed equipment requirements. The installation proposal should identify any needed electrical work rather than assume every mini-split needs a larger panel.
Where does condensation go?
Indoor cooling coils produce condensate that needs an approved drainage route. Gravity drainage may be possible; some layouts require a pump and service access. Outdoor heat-pump defrost water also needs a suitable location where it will not create an icing problem.
Can a mini-split fix basement humidity or bring in fresh air?
Cooling can remove some moisture, but a mini-split is not a repair for water intrusion or a guarantee of humidity control. Most ductless room units recirculate indoor air and do not provide dedicated outdoor ventilation. Discuss moisture sources, ventilation, and any separate dehumidification needs.
How much does mini-split installation cost?
Price depends on the rooms, equipment combination, line lengths, access, electrical supply, drains, supports, and building work. Request a written installed proposal with inclusions and exclusions. Installation estimates are free; diagnostic and repair visits are separate and may carry charges.
How long does installation take?
A straightforward single-zone project may be completed in a day, but multi-zone work, access, electrical changes, permits, and building work can extend the schedule. We confirm the expected timing after assessing the project.
Do you repair and maintain existing mini-splits?
Yes. Tell us the brand and model if known, affected rooms, error code, and symptoms. Weak output, leaks, unusual noise, or repeated breaker trips need diagnosis. Clean user-accessible filters only as directed by the manufacturer; refrigerant, electrical, and internal cleaning work belong with a qualified technician.
Will a mini-split lower my energy bill?
A ductless system avoids supply-duct losses in the area it serves, but bill changes depend on the previous equipment, energy rates, room use, settings, installation, and weather. Adding heating or cooling to a previously unconditioned space can increase total energy use.
Where do you install mini-splits?
PRO Electric plus HVAC serves Fairfax, Loudoun, Arlington, and Prince William counties in Northern Virginia. Call 703-225-8222 to discuss your address, room needs, installation estimate, repair, or maintenance request.
Your local HVAC and electrical team
Northern Virginia.
Room by room.
We install, repair, and maintain ductless mini-splits across Fairfax, Loudoun, Arlington, and Prince William counties. Share your address and room needs to start the conversation.
Reclaim that room.
Start with a good plan.
Tell us where comfort is missing. We’ll help you plan the next step.