16 AC Installation Contractors in Chantilly, VA

4.7 avg rating
5,627 total reviews4 offer 24/7 service
Need emergency service? 5 HVAC providers in Chantilly offer 24/7 availability

Top-Rated AC Installation Contractors in Chantilly

#1

Service Specialties Inc.

4.9(2,115 reviews)
Highly Rated

Every reviewer awarded a 5-star rating, with four of five reviews specifically naming individual technicians and describing problem-solving beyond the original…

14522 Lee Rd # B, Chantilly, VA 20151
Call
#2

Mannix Heating & Cooling

4.9(889 reviews)
Highly Rated

Silvio Guerrero and Keith Hellin appear in multiple five-star reviews for same-day response and honest diagnostics. Four of six sampled reviews explicitly…

26955 Gum Spring Rd, Chantilly, VA 20152
Call
#3

SwiftPro Heating, Cooling & Plumbing

4.9(709 reviews)
24/7 Highly Rated

Every five-star reviewer references a specific technician by name, with Xavi and David receiving multiple mentions for water heater and furnace work…

4230 Lafayette Center Dr N, Chantilly, VA 20151
Call

All AC Installation Contractors (16 total)

Ace Air Conditioning & Heating Service, Inc.

5.0(533)
Highly Rated

526 reviews form a uniformly positive dataset, with every reviewer awarding 5 stars except one 1-star…

14088-H Sullyfield Cir, Chantilly, VA 20151
Call

Air One Tech LLC

4.9(418)
Highly Rated

Four hundred eighteen reviews yield a 4.9 average rating, with every visible review awarding 5 stars.…

14230 Sullyfield Cir unit c, Chantilly, VA 20151
Call

Ashburn HVAC ,LLC

5.0(286)
Highly Rated

All five sampled reviewers award 5 stars, with three specifically naming technicians Payam or Mike. Customers…

14240 Sullyfield Cir suite f, Chantilly, VA 20151
Call

ABC 24 Hours Heating and Air Conditioning

4.8(156)
Highly Rated

One hundred fifty-six reviews yield a 4.8-star average, with customers consistently praising same-day…

14720 Flint Lee Rd A, Chantilly, VA 20151
Call

United Air Temp

4.7(170)
24/7

Three of five detailed reviews award five stars, praising named technicians (Jeremiah, Brendan) for…

4080 Lafayette Center Dr STE 150, Chantilly, VA 20151
Call

Mann-In, Inc.

4.8(104)
Highly Rated

Four of five published reviews award five stars, citing specific technicians by name and detailed…

14700 Flint Lee Rd, Chantilly, VA 20151
Call

Pro Sky AC&Heating

4.9(90)
24/7

Three of four detailed reviews award five stars, with two specifically naming Frank as the technician…

14301 Sullyfield Cir # 203, Chantilly, VA 20151
Call

L & B Universal Heating and Air Conditioning

4.8(90)

Among verified reviews, customers consistently highlight same-day response capabilities and system…

3852 Dulles S Ct # G, Chantilly, VA 20151
Call

Chantilly Residential HVAC Systems

3.6(40)

Four of five detailed reviews award five stars, praising same-day response times, Dennis specifically, and…

4124K Walney Rd, Chantilly, VA 20151
Call

OTECH Plumbing & HVAC

5.0(13)

All 13 reviews award perfect 5-star ratings, with multiple clients noting the team's ability to handle both…

14158 Willard Rd # J, Chantilly, VA 20151
Call

ColonialWebb Contractors Company

4.0(7)

Three of five detailed reviews award five stars, citing attentive staff and strong communication. One…

14221B Willard Rd #100, Chantilly, VA 20151
Call

Chantilly Care

5.0(4)

Across four submitted reviews, all assigning five perfect stars, clients collectively emphasize three primary…

130 State Rte 621, Chantilly, VA 20152
Call

Airtron Heating and Air Conditioning

3.7(3)
24/7

Two of three reviewers awarded five stars, with both positive entries naming technicians Freddie or Zach and…

14703 Willard Rd, Chantilly, VA 20151
Call

AC Installation Costs in Chantilly

New central AC installation costs in Chantilly, by system type and brand.

ServiceLowAverageHigh
Window unit
$150$350$700
Ductless mini-split (single zone)
$2,000$4,500$8,000
Central AC replacement (existing ducts)
$3,500$6,500$12,000
Central AC new install (with ductwork)
$7,000$12,000$20,000
Carrier (residential)
$3,800$6,200$10,500
Trane (residential)
$5,000$8,800$13,600
Lennox (residential)
$3,500$6,500$12,000
Rheem (residential)
$3,200$5,500$9,000

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Installation in Chantilly, VA: What to Expect

Living near Washington along the Potomac brings summers that push into the eighties with real humidity, the kind that makes shade feel like a suggestion rather than relief. Winters dip well below freezing and stay there. That swing is why AC Installation in Chantilly stays busy from late spring through early fall, and then flips right back into heating season without much pause. Homeowners in this corridor work with sixteen licensed contractors in the area holding an average rating of 4.7 across more than fifty-five hundred customer reviews, which tells you the market takes quality seriously.

The cost picture depends entirely on what you're replacing. A window unit runs about one hundred fifty to seven hundred dollars, while a ductless mini-split single-zone setup lands between two thousand and eight thousand installed. If you've got existing ductwork and just need a central AC replacement, that range stretches from thirty-five hundred up to twelve thousand. All of these jobs require a Virginia state contractor license with the HVAC specialty classification from DPOR, meaning whoever shows up at your door carries a credential worth verifying before anything gets opened.

The contractor names showing up across the reviews point to specifics worth noting. Silvio Guerrero and Keith Hellin at Mannix Heating & Cooling earn repeated shoutouts for same-day response and refusing unnecessary upsells, which matters when you're staring at a coolant leak and someone wants to sell you a whole new system. Across the sampled feedback, other technicians get named too, with customers consistently tying professional competence to specific people rather than just company logos.

Frequently Asked Questions

New AC installation in Chantilly costs $150-$20,000 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.