7 AC Replacement Contractors in Annandale, VA
Top-Rated AC Replacement Contractors in Annandale
A-A Annandale Plumbing Heating And Cooling
“209 reviewers consistently award 5 stars, with multiple customers naming specific technicians like Michael, Armand, and Miguel. Positive reviews praise…”
Willway Plumbing & Gas
“All seven sampled reviewers assign five-star ratings, with every testimonial praising the team's explanatory approach and post-work cleanup. Three reviews…”
All AC Replacement Contractors (7 total)
495 HVAC
“Of 65 reviews, every reviewer gave a 5-star rating. Customers consistently mention responsiveness, with one…”
Backlick Road Service Station
“Five-star ratings dominate the review history, with customers repeatedly praising honest pricing, competent…”
JAMA Heating Cooling and Plumbing, Inc.
“Twenty-eight reviews yield a 3.7-star average, with five reviewers awarding five stars and one reviewer…”
AC Replacement Costs in Annandale
Replacement costs for aging systems in Annandale. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
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 threshold | 50% 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 Annandale, VA: What to Expect
Annandale sits just outside Washington DC in Northern Virginia, where summers push daytime highs into the upper 80s with Potomac humidity making indoor air feel heavier still. The winters average around 28 F, creating distinct heating and cooling demands that flip with the seasons. Seven licensed contractors serve this market with an average 4.4 rating across 645 customer reviews, and reliable AC Replacement in Annandale becomes essential when summer heat arrives.
Cost depends heavily on system size and efficiency. A 3-ton central AC runs $5500-$11000, while a 4-ton mid-efficiency unit runs $7500-$14000, and high-efficiency 5-ton systems reach $9500-$16000. Virginia requires HVAC contractors to hold a Class A, B, or C license with HVA specialty from the state Department of Professional and Occupational Regulation, with Class A requiring a minimum of five years experience before a contractor can handle larger residential projects.
Customer reviews reveal real service differences. BK Tech Contractor earns perfect 5 stars across four reviewers who specifically note no upselling across multi-year relationships, with two mentioning duct cleaning as an added value. A-A Annandale Plumbing Heating And Cooling draws consistent praise for diagnostic skill and problem-solving, with customers naming technicians Michael, Armand, and Miguel as reasons they'd call back. Willway Plumbing & Gas similarly earns five stars from every sampled reviewer, all citing the team's explanatory approach and thorough post-work cleanup.