6 AC Replacement Contractors in Caldwell, ID

4.5 avg rating
9,407 total reviews2 offer 24/7 service
Need emergency service? 6 HVAC providers in Caldwell offer 24/7 availability

Top-Rated AC Replacement Contractors in Caldwell

#1

Right Now Heating, Air Conditioning & Plumbing

4.8(7,691 reviews)
24/7 Highly Rated

Seven of eight recent reviews award 5 stars, with customers specifically mentioning same-day emergency response, thorough equipment explanations, and…

212 Evans St, Caldwell, ID 83605
Call
#2

American Rooter & Drain

4.8(1,645 reviews)
Highly Rated

Three of five detailed reviews name specific technicians (Mason, Brandon Irby, Deakin) and praise their diagnostic approach and friendly demeanor. Positive…

1005 Commercial Way, Caldwell, ID 83605
Call
#3

Heating Equipment Company

4.7(35 reviews)

Four of five complete reviews rate the company five stars, with reviewers specifically naming technicians Jim and acknowledging office staff Monica. Positive…

123 Everett St, Caldwell, ID 83605
Call

All AC Replacement Contractors (6 total)

Hammons Heating & Air

5.0(20)

Eight of twenty reviewers specifically mention same-day or rapid response service, with several noting…

13272 Smithtown Ct, Caldwell, ID 83607
Call

Drake Mechanical

2.4(14)
24/7

3 of 3 documented reviews assign 1-2 star ratings, with common complaints citing incomplete repairs,…

5011 Aviation Way, Caldwell, ID 83605
Call

AIR TO AIR HEATING & COOLING LLC

5.0(2)

Two client reviews both award five stars, with one explicitly stating the services rank among the best in…

13284 Willis Rd, Caldwell, ID 83607
Call

AC Replacement Costs in Caldwell

Replacement costs for aging systems in Caldwell. 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 Caldwell, ID: What to Expect

Caldwell experiences dry, hot summers with temperatures reaching 91 F alongside cold winters that dip to 24 F. The semi-arid climate keeps humidity low, which makes cooling systems work efficiently, but the heating demand from October through April is substantial for homeowners. Six licensed contractors serve the Caldwell area with an average rating of 4.5 based on nearly 9,500 customer reviews. For AC Replacement in Caldwell, choosing a contractor involves matching experience with the specific demands of this high-desert environment.

Pricing reflects system capacity and efficiency ratings. A basic 3-ton central AC runs $6,160 to $12,320, while mid-efficiency 4-ton units cost $8,400 to $15,680. High-efficiency 5-ton systems represent the premium tier at $10,640 to $17,920. Idaho law requires all HVAC contractors to hold a valid license from the Idaho Division of Building Safety, verifying they employ licensed journeymen for installation work.

Customer feedback reveals consistent patterns in service quality. Right Now Heating, Air Conditioning & Plumbing earns praise for same-day emergency response and thorough equipment explanations at affordable prices. American Rooter & Drain customers specifically mention technicians Mason, Brandon Irby, and Deakin for their diagnostic approach and friendly demeanor, with positive notes on upfront pricing. Heating Equipment Company technicians, including Jim, receive recognition for same-day response and professional communication.

Frequently Asked Questions

AC replacement in Caldwell 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.