13 AC Replacement Contractors in Columbia, MD

3.7 avg rating
1,651 total reviews3 offer 24/7 service
Need emergency service? 14 HVAC providers in Columbia offer 24/7 availability

Top-Rated AC Replacement Contractors in Columbia

#1

Carroll Mechanical

4.9(526 reviews)
Highly Rated

Every reviewer awarded 5 stars, with customers frequently referencing technician knowledge and transparent communication. Multiple reviews mention same-day…

8300 Guilford Rd Suite D, Columbia, MD 21046
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#2

Nu Look Roofing, Siding, and Windows

4.6(587 reviews)

Four hundred seventy-three of 587 reviews award five stars, with negative feedback primarily concerning pricing while positive citations emphasize diagnostic…

8894 Stanford Blvd STE 301, Columbia, MD 21045
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#3

Certified Roofing

4.8(237 reviews)
24/7 Highly Rated

Six homeowner reviews all award five stars, with three specifically praising the team's early arrival times and thorough cleanup. Two reviewers mention…

9520 Berger Rd STE 112, Columbia, MD 21046
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All AC Replacement Contractors (13 total)

Best Choice Plumbers LLC

4.1(154)

Fourteen positive reviews specifically name technicians like Nick, Jacob, Eric, Brandon, and Jason, praising…

9693 Gerwig Ln Ste R, Columbia, MD 21046
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One Source Window Systems

4.7(58)

Three customers awarded five-star ratings, describing smooth coordination with condo associations, timely…

9689 Gerwig Ln #4E, Columbia, MD 21046
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Havtech

4.1(56)

Across eight analyzed reviews, three customers assign five-star ratings emphasizing technician competence and…

9505 Berger Rd, Columbia, MD 21046
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HavenAir Duct Cleaning

5.0(15)
24/7

Eight reviewers share identical 5-star ratings, with recurring themes of polite professional demeanor,…

6304 Woodside Ct suite 110, Columbia, MD 21046
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Rebuilding Together Howard County

4.9(10)

Eight of eight reviewers awarded five-star ratings, with multiple clients specifically mentioning assistance…

8775 Centre Park Dr #519, Columbia, MD 21045
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Heliborne Heating & Cooling LLC

5.0(6)

Six reviewers award perfect ratings, with five specifically naming Braulio as the technician delivering…

5033 Durham Rd W, Columbia, MD 21044
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Global Facility Solutions, LLC

5.0(1)

One client awarded a 5-star rating, providing insufficient data for comparative sentiment analysis.

6310 Hillside Ct Suite 200, Columbia, MD 21046
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F.H. Furr Plumbing, Heating, Air Conditioning & Electrical

1.0(1)
24/7

1 reviewer awarded 1 star, citing a plumbing repair that introduced property damage through improper…

9140 Guilford Rd Suite M, Columbia, MD 21046
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Morin Hydronics

0.0
9505 Berger Rd, Columbia, MD 21046
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Columbia's

0.0
8940 MD-108, Columbia, MD 21045

AC Replacement Costs in Columbia

Replacement costs for aging systems in Columbia. 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 Columbia, MD: What to Expect

Columbia's climate mirrors the Baltimore metro area, where summer heat pushes temperatures into the upper eighties with heavy humidity that strains cooling systems, while winters along the Chesapeake Bay drop below freezing and test heating reliability. These extremes make ac replacement Columbia a practical investment rather than a luxury here. Thirteen licensed contractors serve the region, and their average rating of 3.7 across more than sixteen hundred reviews reflects a market where professionalism varies significantly.

Replacing a central AC system involves more than purchasing equipment. In Columbia, a basic three-ton unit typically runs between $5500 and $11000, while a larger four-ton mid-efficiency system spans $7500 to $14000, and high-efficiency five-ton installations reach $9500 to $16000. The final invoice depends on home size, existing infrastructure compatibility, and efficiency features chosen by the homeowner. Every contractor must hold a Master HVACR License from the Maryland Department of Labor Board of HVACR Contractors to work legally in the state, ensuring baseline qualifications are met.

Customer feedback points to clear differences among area specialists. Carroll Mechanical earns consistent five-star mentions for same-day responsiveness even in harsh winter conditions and for explaining technical details without fog. Nu Look Roofing draws praise for thorough diagnostics but occasional gripes about pricing transparency, while Certified Roofing receives repeated citations for showing up early and leaving clean job sites, with reviewers noting repairs completed beyond what was originally scoped. Homeowners researching these firms should weight response urgency and communication style alongside cost when comparing estimates.

Frequently Asked Questions

AC replacement in Columbia 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.

All HVAC Contractors in Columbia, MD

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