6 AC Installation Contractors in Rosedale, MD

4.3 avg rating
559 total reviews1 offer 24/7 service

Top-Rated AC Installation Contractors in Rosedale

#1

Green Comfort Systems

4.9(449 reviews)
Highly Rated

All reviewers awarded 5-star ratings, with Dave mentioned for same-day emergency response, Spenser praised for diagnostic preparation, and Kyle recognized for…

8227 Philadelphia Rd, Rosedale, MD 21237
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#2

East Coast Heating and Cooling

4.9(59 reviews)

Fifty-nine reviewers collectively award five stars, with emergency response praised by multiple callers including Ryan Schammel who received holiday-night…

8969A Yellow Brick Rd, Rosedale, MD 21237
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#3

L.A.N.E HVAC Mechanical

5.0(33 reviews)

All 33 reviews award 5 stars, with multiple reviewers specifically naming DJ or Deej as the technician who resolved their issue. Emergency response during…

2112 E Boundary Ave, Rosedale, MD 21237
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All AC Installation Contractors (6 total)

Jay Heating and Air Conditioning

5.0(4)

All four reviewers award five stars, with three specifically mentioning quick response times and return…

7000 Golden Ring Rd #9697, Rosedale, MD 21237
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Excel Mechanical Contractors, LLC

3.5(8)
24/7

Four of eight reviews award five stars citing prompt response, technical competence, and fair pricing, while…

8987 Yellow Brick Rd, Rosedale, MD 21237
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Harford Refrigeration Company

2.3(6)

Three of six reviewers awarded 1-star ratings citing pricing concerns and poor responsiveness, while one…

7915 Philadelphia Rd, Rosedale, MD 21237
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AC Installation Costs in Rosedale

New central AC installation costs in Rosedale, 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 Rosedale, MD: What to Expect

Living along the Chesapeake Bay means summers that push into the upper eighties with a heavy, coastal humidity that settles into every room, and winters that dip into the twenties and demand a reliable heating system. This climate pattern makes proper cooling not a luxury but a baseline expectation for Rosedale homeowners. Six HVAC contractors serve this Baltimore suburb, averaging a 4.3 rating across 559 consumer reviews, with just one offering around-the-clock emergency coverage. The combination of oppressive summer heat and damp cold creates a year-round demand for professional AC installation in Rosedale that simply cannot be put off until tomorrow.

Pricing for cooling equipment reflects the scope of what a home requires. A window unit runs $150 to $700, while a ductless mini-split system for a single zone costs $2,000 to $8,000. Homeowners replacing central air with existing ductwork should budget between $3,500 and $12,000. In Maryland, every legitimate contractor must hold a Master HVACR License from the state Department of Labor, a credential that verifies both technical competency and compliance with industry standards.

Customer feedback points to specific technicians who earn repeated praise. Dave at Green Comfort Systems responds same-day to emergencies, while Kyle is noted for honest system recommendations rather than upselling. Over at L.A.N.E HVAC Mechanical, DJ (also referenced as Deej) resolved issues for multiple reviewers during severe weather and holiday weekends. Ryan Schammel specifically mentioned receiving help on a holiday night from East Coast Heating and Cooling, underscoring the value of responsive service when systems fail.

Frequently Asked Questions

New AC installation in Rosedale 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.