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276 AC Replacement Contractors in Alexandria, VA

4.9 avg rating
26,812 total reviews7 offer 24/7 service
Need emergency service? 44 HVAC providers in Alexandria offer 24/7 availability→
AC Repair(765)HVAC Maintenance(852)AC Installation(484)HVAC Service(1154)HVAC Repair(662)Emergency HVAC(327)AC Replacement(276)Commercial HVAC(215)

Top-Rated AC Replacement Contractors in Alexandria

#1

Len the Plumber Heating & Air, LLC

4.7(7,317 reviews)
24/7

“7,094 reviews produce a 4.7-star average, with every customer awarding 5 stars in the sampled feedback. Multiple reviewers explicitly mention same-day or…”

6598B Fleet Dr, Alexandria, VA 22310
Call
#2

John C. Flood

4.8(5,421 reviews)
24/7 Highly Rated

“Every reviewer awarded 5 stars, with customers highlighting the same-day response, multiple detailed options before installation, and the courtesy of specific…”

6430 General Green Way, Alexandria, VA 22312
Call
#3

Rooftop Chimney Sweeps

5.0(2,063 reviews)
Highly Rated

“All five-star reviewers specifically name the technician who served them, with Will Claros, Samual, Eric, and Josue Calles Campos each receiving individual…”

4410 Wheeler Ave, Alexandria, VA 22304
Call

All AC Replacement Contractors (276 total)

Krafft Service Corporation

4.9(1,723)
24/7 Highly Rated

“Every reviewer awarded 5 stars, with 6 of 6 explicitly praising technician honesty and refusal to upsell…”

5707A Edsall Rd, Alexandria, VA 22304
Call

Plumb Professionals

4.9(1,305)
Highly Rated
Call

LapFix Computer Repair Services

4.9(1,211)
Highly Rated

“All twelve sampled reviews award five stars, with Eric named as the primary technician in every detailed…”

4613E Duke St, Alexandria, VA 22304
Call

Cyprus Air Heating, Cooling and Fireplaces

4.3(2,215)
24/7

“Four of five sampled five-star reviews explicitly name a specific technician (Jay, Marcellus Ferguson, or…”

7525 Richmond Hwy, Alexandria, VA 22306
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Caffi Services

4.9(605)
24/7 Highly Rated

“All five-star reviews mention specific technicians by name, with Brian appearing in multiple favorable…”

1313 Powhatan St, Alexandria, VA 22314
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Old Town Glass And Mirror LLC

5.0(382)
24/7 Highly Rated

“All 382 reviews award 5 stars, with same-day service mentioned explicitly by multiple reviewers. Fair pricing…”

244 S Reynolds St Apt 101, Alexandria, VA 22304
Call

HVAC DONE EZ LLC

5.0(356)
Highly Rated

“Five reviewers specifically referenced emergency or time-sensitive situations, with one customer's unit…”

Call

DR Handy Services INC

5.0(311)
Highly Rated

“303 reviews yielding a 5.0 average means every single client rated their experience at maximum satisfaction,…”

Call

Ava Air Heating and Cooling

5.0(293)
Highly Rated

“269 reviews with a perfect 5.0-star average. Technicians Paul, Gus, and Will are named across multiple…”

Call

Robert's Heating & Air Conditioning of Virginia

4.9(299)
Highly Rated

“All 298 reviews awarded 5 stars, with customers particularly noting Jason's honesty and technical knowledge,…”

Call

Emerald Plumbing Co.

4.8(323)
24/7 Highly Rated

“323 reviews produce a 4.8-star average, with positive feedback emphasizing technical knowledge and customer…”

119 Oronoco St #101, Alexandria, VA 22314
Call

Astro Plumbing incorporated

5.0(241)
Highly Rated

“All five reviewers awarded five stars and specifically named technician Selvin, praising his knowledge,…”

Call

Bargain Plumbing of NOVA

5.0(229)
Highly Rated

“All 229 reviews award five stars, with technicians Nelson and team members completing water heater…”

Call

Mac’s plumbing Llc

4.9(249)
Highly Rated

“All 249 reviews carry 5-star ratings, with seven reviewers specifically naming individual technicians,…”

Call

Morgal Plumbing Industries, LLC

5.0(217)
Highly Rated

“All 217 reviews award 5 stars, with emergency response speed and upfront pricing cited as consistent…”

Call

Brownlee Plumbing LLC

4.8(268)
Highly Rated

“264 reviewers award Brownlee Plumbing a 4.9-star average, with customers consistently praising diagnostic…”

82 S Early St, Alexandria, VA 22304
Call

Appliance Repair Services

4.9(210)
Highly Rated

“Every reviewer awarded 5 stars, with 7 of 9 reviewers specifically naming a technician (Omar, Karim, or…”

424 N Armistead St, Alexandria, VA 22312
Call

LST cleanflow air duct & chimney services

4.9(199)
Highly Rated

“All eight reviewers awarded 4 or 5 stars. Jason and Steve appear by name in multiple positive reviews, with…”

Call

Trusted HVAC Services LLC

4.9(185)
Highly Rated

“Every sampled reviewer awarded 5 stars, with three clients specifically praising the absence of recommended…”

Call

Lyons Contracting

4.9(175)
Highly Rated

“All five featured reviews award 5 stars, with every reviewer naming Tom Petrilli or the crew specifically.…”

4930 A Eisenhower Ave, Alexandria, VA 22304
Call

AeroTherm HVAC LLC

4.9(174)
Highly Rated

“Eight customers explicitly mention receiving same-day or same-week service response, with one describing a…”

Call

Neighborhood Specialists Air Conditioning & Heating, Inc.

5.0(145)
Highly Rated

“All four detailed reviews award 5 stars, with three specifically naming Stelios as the technician. Reviewers…”

Call

Extra care heating and air conditioning

4.8(175)
Highly Rated

“Positive reviews cite diagnostic accuracy and transparent pricing, while negative reviews reference…”

Call

IG HVAC LLC

5.0(128)
Highly Rated

“All eight indexed reviews award five stars, with six explicitly mentioning either Ian or Paul by name.…”

Call

All About Plumbing LLC

4.8(151)
Highly Rated

“All five-star reviewers specifically name a technician (Carl or CJ) as delivering exceptional service. Four…”

Call

COMFORT-TECH LLC (ALEX, VA)

5.0(121)
Highly Rated

“All 115 reviews award five stars, with multiple clients specifically mentioning budget-friendly pricing and…”

Call

Capozio Services

5.0(121)
Highly Rated

“Six reviewers awarded perfect scores, with three mentioning samday weekend emergency availability. Multiple…”

Call

AC Replacement Costs in Alexandria

Replacement costs for aging systems in Alexandria. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
Central AC (3-ton, basic)
$5,500$8,000$11,000
Central AC (4-ton, mid-efficiency)
$7,500$10,500$14,000
Central AC (5-ton, high-efficiency)
$9,500$12,500$16,000
Full HVAC system (AC + furnace)
$11,590$13,430$14,100
Plus ductwork replacement
If existing ducts are aged/leaking
$2,100$3,000$4,000
Repair cost threshold50% rule: if repair > 50% of replacement, replace

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

AC Replacement in Alexandria, VA: What to Expect

The climate along the Potomac River corridor makes HVAC systems work year-round in Alexandria. Hot, humid summers push temperatures to 88 degrees while cold winters drop to 28 degrees, and Northern Virginia humidity forces cooling and heating systems to cycle hard through distinct seasons. With 249 contractors serving the area and an average rating of 4.0 stars drawn from 28,600 customer reviews, homeowners searching for AC Replacement in Alexandria encounter a crowded market where service quality varies significantly.

Virginia requires HVAC contractors to hold a Class A, B, or C license with an HVA specialty from the Department of Professional and Occupational Regulation, with Class A licenses requiring a minimum of five years of industry experience. This licensing structure ensures qualified professionals handle installations, and costs reflect that expertise. A basic 3-ton central AC system runs $5,500 to $11,000, while a mid-efficiency 4-ton unit ranges from $7,500 to $14,000, and high-efficiency 5-ton systems reach $9,500 to $16,000. Homeowners should weigh upfront cost against expected efficiency gains when selecting equipment.

The highest-rated contractors in the area earn consistent praise for specific technicians. Will Claros, Samual, Eric, and Josue Calles Campos each receive individual recognition in five-star reviews for Rooftop Chimney Sweeps, which holds a perfect 5.0 rating. John C. Flood technicians Nathan and Jacob are noted for same-day response and presenting multiple detailed options before installation, contributing to the company's 4.8 rating. Both companies demonstrate how fast response and clear communication build strong reputations in this market.

Frequently Asked Questions

AC replacement in Alexandria runs $2,100-$16,000 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.

All HVAC Contractors in Alexandria, VA

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