7 AC Replacement Contractors in La Porte, TX

3.8 avg rating
342 total reviews4 offer 24/7 service
Need emergency service? 12 HVAC providers in La Porte offer 24/7 availability

Top-Rated AC Replacement Contractors in La Porte

#1

Texcellent A/C Service

5.0(183 reviews)
24/7 Highly Rated

All 183 reviews award 5 stars, with multiple reviewers specifically praising same-day emergency response times, transparent diagnostic explanations, and…

825 W C St, La Porte, TX 77571
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#2

Power Surge Electric Llc

5.0(74 reviews)
24/7

All 74 reviews award five stars, with multiple reviewers specifically naming technicians Robert, Tyler, and Terry. Customers consistently mention same-day…

10912 Bois D Arc St, La Porte, TX 77571
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#3

Coastal HVAC Supply - La Porte

4.7(45 reviews)

Eight customer reviews consistently award 5 stars, with staff knowledge and friendly service cited most frequently. Three reviewers specifically name…

1814 Hwy 146 South, Suite 200, La Porte, TX 77571
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All AC Replacement Contractors (7 total)

Margon Complete Electric TmeL#207743, TECL#27118

4.8(18)
24/7

Six reviewers specifically mention the technician by name, with all 18 reviews awarding 5 stars. Clients…

9726 Rustic Rock Rd, La Porte, TX 77571
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La Porte Service

4.5(17)

Thirteen customer reviews yield a perfect 5-star average, with each reviewer praising the technicians'…

402 W Fairmont Pkwy, La Porte, TX 77571
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CW Mechanical

2.6(5)

All three accessible reviews assign a 1-star rating, describing no-show appointments, lack of communication,…

614 N 14th St, La Porte, TX 77571

Coastal Air Conditioning Contractor

0.0
24/7
704 W Main St, La Porte, TX 77571
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AC Replacement Costs in La Porte

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

ServiceLowAverageHigh
Central AC (3-ton, basic)
$5,500$8,000$11,000
Central AC (4-ton, mid-efficiency)
$7,500$10,500$14,000
Central AC (5-ton, high-efficiency)
$9,500$12,500$16,000
Full HVAC system (AC + furnace)
$11,590$13,430$14,100
Plus ductwork replacement
If existing ducts are aged/leaking
$2,100$3,000$4,000
Repair cost threshold50% rule: if repair > 50% of replacement, replace

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

AC Replacement in La Porte, TX: What to Expect

La Porte summers push past 95 F with humidity hovering above 90 percent, a combination that forces cooling systems to remove moisture while battling temperature alike. This heavy latent load shortens equipment lifespan across a six-month cooling season. Homeowners in this Houston suburb turn to seven licensed contractors in the area, averaging a 3.8 rating across 342 consumer reviews, with four offering 24/7 availability for AC Replacement in La Porte.

When the time comes for replacement, costs align with system size and efficiency. A basic 3-ton central AC runs $5500-$11000, while a mid-efficiency 4-ton unit runs $7500-$14000. High-efficiency 5-ton systems reach $9500-$16000. Texas requires contractors to hold either a Class A or Class B license from the TDLR, ensuring proper qualifications for installation work.

Customer feedback points to specific strengths among top performers. Texcellent A/C Service earns praise for same-day emergency response and clear diagnostic explanations. Power Surge Electric LlC mentions technicians Robert, Tyler, and Terry by name for fair pricing and swift turnaround. Coastal HVAC Supply - La Porte receives recognition for knowledgeable staff and friendly service.

Frequently Asked Questions

AC replacement in La Porte runs $2,100-$16,000 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.