8 AC Replacement Contractors in Highlands Ranch, CO

3.6 avg rating
488 total reviews4 offer 24/7 service
Need emergency service? 7 HVAC providers in Highlands Ranch offer 24/7 availability

Get Free AC Replacement Quotes in Highlands Ranch, CO

Not ready to call? Tell us what you need and we'll connect you with top-rated contractors.

Free, no obligation. We'll show you top contractors you can contact directly.

Top-Rated AC Replacement Contractors in Highlands Ranch

#1

HVAC Guy

4.9(260 reviews)
Highly Rated

Two hundred fifty-six reviews yield a consistent theme: 5-star ratings cite honest diagnostics, no unnecessary upselling, and thorough cleanup. Multiple…

9335 S Pepperwood Ln, Highlands Ranch, CO 80126
#2

Fireside Heating & Cooling

5.0(125 reviews)
24/7 Highly Rated

All 124 reviews award 5 stars, with four customer accounts specifically naming Nixon as the technician who handled their installations and repairs. Reviewers…

9425 Princeton Cir, Highlands Ranch, CO 80130
#3

PerfectTemp Heating, Air & Electric

4.9(52 reviews)
24/7

All three sampled reviewers awarded 5-star ratings while specifically naming service technicians, Santiago, Jerome, Curtis. Positive themes include on-time…

9579 S University Blvd, Highlands Ranch, CO 80130

All AC Replacement Contractors (8 total)

N&B Heating and Cooling LLC

5.0(36)

All 36 reviews award 5 stars, with every reviewer specifically mentioning Isaac by name. Multiple customers…

9358 Newport Ln, Highlands Ranch, CO 80130

At Parker Service Company

5.0(6)

All six reviews award 5 stars, with customers consistently praising transparent pricing, technical expertise,…

5085 Fenwood Dr, Highlands Ranch, CO 80130

Sublime HVAC ann AirDuct Guild

4.1(9)

Eight of nine reviewers assign five-star ratings, with multiple customers highlighting technician punctuality…

9567 S University Blvd, Highlands Ranch, CO 80126

Ranch HVAC Services

0.0
24/7
9551 S University Blvd, Highlands Ranch, CO 80126

PioneerPro Furnace and AC Repair

0.0
24/7
6646 Timberline Rd ste 906, Highlands Ranch, CO 80130

AC Replacement Costs in Highlands Ranch

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

ServiceLowAverageHigh
Central AC (3-ton, basic)
$6,160$8,960$12,320
Central AC (4-ton, mid-efficiency)
$8,400$11,760$15,680
Central AC (5-ton, high-efficiency)
$10,640$14,000$17,920
Full HVAC system (AC + furnace)
$12,981$15,042$15,792
Plus ductwork replacement
If existing ducts are aged/leaking
$2,352$3,360$4,480
Repair cost threshold50% rule: if repair > 50% of replacement, replace

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

AC Replacement in Highlands Ranch, CO: What to Expect

Highlands Ranch sits in the Denver metro’s semi-arid continental climate, where dry summers near 88°F and January lows around 18°F put clear seasonal stress on cooling systems. At 5,280 feet altitude AC capacity is reduced about 10–15%, so homeowners often upgrade to larger units. Demand for ac-replacement Highlands Ranch is steady; eight contractors serve the area, averaging a 3.6 rating across 488 reviews, and four provide 24/7 service.

Detailed top-line cost figures for specific models and installation packages weren’t provided, but local replacement prices typically vary with system size, efficiency, ductwork needs and labor. Expect higher bids for units oversized to compensate for altitude and for work requiring permit or municipal inspections. Colorado’s lack of a statewide HVAC license means local jurisdictions set licensing and permitting rules you’ll want to confirm before hiring.

Customer highlights weren’t available in the data, so consider the broader review patterns: check for consistent comments about punctuality, post-install performance and warranty handling, and verify 24/7 availability if evenings or unexpected failures matter. Ask for proof of local licenses, references for altitude-compensated installs, and clear written estimates that detail equipment, labor, permits and warranty terms.

Frequently Asked Questions

AC replacement in Highlands Ranch runs $2,352-$17,920 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.