7 AC Installation Contractors in Vienna, VA
Top-Rated AC Installation Contractors in Vienna
Air Treatment Heating & Cooling
“All 671 reviews are five-star ratings, with customers frequently naming technicians like Mike, Lilly, and Dan. Reviewers praise diagnostic thoroughness, fair…”
Nelson's HVAC, LLC
“Of 654 reviews averaging 4.9 stars, customers frequently mention same-day emergency availability and the team's diagnostic accuracy. Named technicians Neil and…”
All AC Installation Contractors (7 total)
NuTech HVAC Jetting & Drain Cleaning Service
“Among three detailed reviews, two praise specific technicians Daniel and a second service provider for…”
Millies HVAC
“Of 57 reviews, customers who rated 5 stars consistently mention specific technicians by name and describe…”
Muse Service Co Inc
“Five of nine reviewers award perfect scores, with common themes of on-time arrivals, thorough explanations of…”
AC Installation Costs in Vienna
New central AC installation costs in Vienna, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
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 Vienna, VA: What to Expect
Vienna experiences muggy summers with 88 F highs along the Potomac, while winters drop to around 28 F. The combination of stifling heat and biting cold, amplified by Northern Virginia humidity, creates year-round demand for cooling and heating systems. Homeowners investing in professional AC Installation in Vienna benefit from a market served by seven contractors holding an average 4.3-star rating across 1,629 client reviews.
Costs for professional installation reflect system complexity. A window unit runs $150-$700, while a ductless mini-split for a single zone carries a $2000-$8000 price tag. For homes with existing ductwork, central AC replacement typically costs $3500-$12000. Virginia law requires contractors to hold a Class A, B, or C Contractor License with HVA specialty from the state Department of Professional and Occupational Regulation, with classification based on project scope.
Customer feedback reveals patterns worth noting. Air Treatment Heating & Cooling maintains all five-star reviews, with technicians Mike, Lilly, and Dan specifically praised for diagnostic thoroughness, fair pricing, and same-day scheduling availability. Nelson's HVAC earns strong marks for same-day emergency response and accurate problem diagnosis, with Neil and Walter mentioned by name in detailed reviews. United Air Temp receives recognition for taking time to explain system function and presenting pricing without pressure.