5 AC Installation Contractors in Lone Tree, CO

3.5 avg rating
194 total reviews2 offer 24/7 service
Need emergency service? 4 HVAC providers in Lone Tree offer 24/7 availability

Top-Rated AC Installation Contractors in Lone Tree

#1

Supreme Home Services

4.9(106 reviews)
24/7 Highly Rated

The 4.9 average rating from 105 reviews indicates strong overall satisfaction, with four of five sampled reviewers awarding five stars. Positive reviews…

988 Mercury Cir, Lone Tree, CO 80124
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#2

Unified Heating, Air & Electric

4.8(53 reviews)
24/7

All 53 reviewers award 4 or 5 stars, with three technicians named repeatedly across feedback: Miguel (maintenance and inspections), Johnathan (emergency…

9034 S Yosemite St, Lone Tree, CO 80124
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#3

Atlas Mechanical LLC

5.0(30 reviews)

All 18 reviewers award 5 stars, with 8 clients specifically praising same-day emergency response. Technicians Jared receives mention in 7 reviews, often…

10165 Park Meadows Dr, Lone Tree, CO 80124
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All AC Installation Contractors (5 total)

CS Group Inc

2.8(5)

3 reviews provide a critical picture: every reviewer assigned 1 or 2 stars, with complaints spanning…

8250 Park Meadows Dr Ste 100, Lone Tree, CO 80124
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HighPoint Air Lone Tree

0.0
8868 Maximus Dr, Lone Tree, CO 80124

AC Installation Costs in Lone Tree

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

ServiceLowAverageHigh
Window unit
$168$392$784
Ductless mini-split (single zone)
$2,240$5,040$8,960
Central AC replacement (existing ducts)
$3,920$7,280$13,440
Central AC new install (with ductwork)
$7,840$13,440$22,400
Carrier (residential)
$4,256$6,944$11,760
Trane (residential)
$5,600$9,856$15,232
Lennox (residential)
$3,920$7,280$13,440
Rheem (residential)
$3,584$6,160$10,080

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

AC Installation in Lone Tree, CO: What to Expect

Lone Tree sits at 5,280 feet along the Denver metro's southern edge, where the semi-arid continental climate pushes summer highs past 85 F and winter lows dip below 20 F. This altitude thins the air and cuts AC capacity by roughly 15 percent, making proper sizing essential for real cooling performance. Five contractors serve AC Installation in Lone Tree, averaging 3.5 stars across 181 customer reviews, an indication that quality varies significantly from one provider to the next.

Cost reflects both system type and installation complexity. Window units run $168-$784, while single-zone ductless mini-splits range from $2240-$8960. For existing ductwork, central AC replacement costs $3920-$13440. Colorado has no statewide HVAC license, so local licensing applies and homeowners should verify municipal compliance before work begins.

Customers consistently note specific technicians. Miguel, Johnathan, and Luis at Unified Heating, Air & Electric receive repeated mention across 53 reviews for diagnostic clarity and respectful service, helping that company maintain a 4.8 average. Atlas Mechanical holds a perfect 5.0 rating from 18 reviewers, with eight clients citing same-day emergency response. Jared appears in seven of those feedbacks, often praised for explaining issues in plain language before proposing solutions.

Frequently Asked Questions

New AC installation in Lone Tree costs $168-$22,400 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.