6 AC Installation Contractors in Knightdale, NC

4.8 avg rating
3,725 total reviews3 offer 24/7 service

Top-Rated AC Installation Contractors in Knightdale

#1

Weather Master Heating & Air Conditioning

4.7(2,172 reviews)
24/7

Positive reviewers consistently cite diagnostic skill and respectful on-site conduct, with George and Daniel named as technicians who explained options and…

305 Village Dr, Knightdale, NC 27545
#2

Reliable Heating & Air

4.9(633 reviews)
Highly Rated

Over 600 reviews averaging 4.9 stars reveal consistent praise for technical knowledge and honest recommendations. Multiple reviewers specifically note…

530 Hinton Pond Rd Ste 148, Knightdale, NC 27545
#3

Quality Comfort Services, Inc.

4.9(571 reviews)
24/7 Highly Rated

All 556 reviewers awarded 5 stars, a clean sweep suggesting consistent execution across installations, service calls, and maintenance visits. Four reviewers…

725 Bethlehem Rd, Knightdale, NC 27545

All AC Installation Contractors (6 total)

Triangle Repair Group Heating & Cooling

4.9(172)
24/7 Highly Rated

All five-star reviews describe technicians as professional, with two reviewers specifically naming Robert and…

704 Three Sisters Rd, Knightdale, NC 27545

Air Essentials, Inc.

5.0(138)
Highly Rated

138 reviewers award a perfect 5.0-star rating, though one detailed review documents repeated system failures…

940 Bethlehem Rd, Knightdale, NC 27545

Air System Services

4.2(39)

Three five-star reviews emphasize long-term reliability, fair pricing, and persistent diagnostic skills, with…

2849 Smithfield Rd, Knightdale, NC 27545

AC Installation Costs in Knightdale

New central AC installation costs in Knightdale, 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 Knightdale, NC: What to Expect

Knightdale homeowners face a climate that pushes HVAC systems hard: Raleigh averages 54 days above 90°F, summers are humid and winters can dip to about 30°F, so equipment must deliver strong cooling and meaningful heating. That steady demand keeps local work steady — six contractors serve the area with an average rating of 4.8 from 3,725 reviews. For ac-installation Knightdale, reliability matters as much as capacity.

Concrete top-cost numbers weren’t supplied here, but typical installation expenses vary with system size, SEER rating, ductwork changes, permit fees and any required electrical upgrades. Expect labor and materials to dominate the bill; emergency or out-of-hours installs can raise costs further. North Carolina requires Heating and Cooling Contractor licenses (H1/H2/H3) through the NC State Board of Examiners of Plumbing, Heating, and Fire Sprinkler Contractors, so verify credentials before signing.

Customer highlights were not provided in the dataset, so focus on prevailing market signals: three of the six firms advertise 24/7 availability, suggesting after-hours service is common. When vetting installers, request licensed credentials, written estimates, manufacturer warranty details and references, and compare efficiency ratings and projected energy savings to match system performance to Knightdale’s seasonal extremes.

Frequently Asked Questions

New AC installation in Knightdale 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.