13 AC Installation Contractors in Ellicott City, MD

4.9 avg rating
1,720 total reviews3 offer 24/7 service
Need emergency service? 4 HVAC providers in Ellicott City offer 24/7 availability

Top-Rated AC Installation Contractors in Ellicott City

#1

Beltway Air Conditioning, Heating & Plumbing

4.9(523 reviews)
Highly Rated

Nearly all 518 reviews award 5 stars, with customers frequently naming technicians Tony, Ray, Shawn, and Mike. Positive reviews emphasize diagnostic…

3290 Pine Orchard Ln #A1, Ellicott City, MD 21042
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#2

Supreme Service Today

4.7(550 reviews)
24/7

Among 528 reviews, positive feedback consistently references technician professionalism and thoroughness, while the single one-star review describes a failed…

8585 Baltimore National Pike #7, Ellicott City, MD 21043
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#3

Buric Heating and Air Conditioning

4.9(372 reviews)
Highly Rated

Every reviewer awarded 5 stars, with recurring praise for response speed during emergencies, transparent pricing, and post-installation follow-through. Three…

4301 Temora Manor Ln, Ellicott City, MD 21042
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All AC Installation Contractors (13 total)

Climate Pro Mechanical LLC

4.9(73)

Across 73 reviews, all commenters awarded 5-star ratings. Three reviewers specifically mention Kevin as the…

3717 Ligon Rd, Ellicott City, MD 21042
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No -Frost Air Conditioning & Heating, LLC

4.7(80)

Five detailed reviews yield a perfect five-star average with zero negative feedback. Four reviewers emphasize…

4990 Waterloo Rd, Ellicott City, MD 21043
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Husky Home Services

4.8(42)
24/7

Four customers specifically name Pat or Patrick as the technician delivering their service, with one…

8414 Church Ln Rd, Ellicott City, MD 21043
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Kingdom

5.0(25)

Twenty-five verified reviews award a perfect five-star rating, with multiple reviewers highlighting honest…

6081 Otterbein Ln, Ellicott City, MD 21043
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Maryland Heating & Cooling

4.8(23)

Twelve of twenty-three reviewers explicitly describe emergency or same-day service experiences, with five…

4943 Roundhill Rd, Ellicott City, MD 21043
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Turbo heating and cooling llc

5.0(20)

Twenty client reviews collectively award five stars; four reviewers specifically reference the contractor's…

4949 Lee Farm Ct, Ellicott City, MD 21043
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All American Heating & Cooling, Inc.

4.8(6)
24/7

Four of four published reviews carry five-star ratings, with client stories specifically mentioning heat pump…

10690 Clarksville Pike, Ellicott City, MD 21042
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American Heating And Cooling

5.0(3)

All three reviews award 5 stars, with customers specifically praising the team's professionalism,…

8001 Hillsborough Rd #13, Ellicott City, MD 21043
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Maryland Plumbing, Heating & Cooling Contractors

5.0(2)

Both documented reviews award 5 stars, with one reviewer specifically citing a great association experience.…

10176 Baltimore National Pike STE 205, Ellicott City, MD 21042
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A C Tech LLC

5.0(1)

The single five-star review submitted by a verified customer specifically names technician Siju Sebastian and…

2710 N Ridge Rd, Ellicott City, MD 21043
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AC Installation Costs in Ellicott City

New central AC installation costs in Ellicott City, by system type and brand.

ServiceLowAverageHigh
Window unit
$150$350$700
Ductless mini-split (single zone)
$2,000$4,500$8,000
Central AC replacement (existing ducts)
$3,500$6,500$12,000
Central AC new install (with ductwork)
$7,000$12,000$20,000
Carrier (residential)
$3,800$6,200$10,500
Trane (residential)
$5,000$8,800$13,600
Lennox (residential)
$3,500$6,500$12,000
Rheem (residential)
$3,200$5,500$9,000

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

AC Installation in Ellicott City, MD: What to Expect

Ellicott City sits where Chesapeake Bay humidity meets Baltimore's brutal summer heat, pushing July highs past 88 F with that unmistakable wet blanket that makes indoor air feel heavier than the thermometer suggests. Winters turn equally sharp, hovering near 27 F and demanding reliable heating alongside cooling capacity. This combination explains why fourteen licensed contractors serve the area, maintaining a collective 4.9 average rating across nearly three thousand customer reviews. Homeowners here understand that proper AC Installation in Ellicott City isn't a luxury but a seasonal necessity born from geography itself.

The investment varies by system scope. Window units run roughly $150 to $700 depending on capacity, while a ductless mini-split for single-zone comfort typically costs between $2000 and $8000. Full central AC replacement when existing ductwork is in place lands around $3500 to $12000. Every professional working in Maryland must hold a Master HVACR License from the state labor board, a credential that verifies both technical competency and consumer protection standing. The final figure reflects home size, equipment efficiency ratings, and any necessary duct modifications.

Customer feedback points toward specific strengths among the top-rated crews. Beltway Air Conditioning draws frequent praise for diagnostic thoroughness and transparent explanations, with technicians Tony, Ray, Shawn, and Mike named across reviews. Buric Heating and Air Conditioning earns repeated mentions for fast emergency response, upfront pricing, and post-installation follow-through, with three team members called out by satisfied clients. Both companies carry perfect five-star averages, a signal that quality work and communication matter more than marketing claims in this market.

Frequently Asked Questions

New AC installation in Ellicott City costs $150-$20,000 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.