5 AC Replacement Contractors in Gettysburg, PA

3.4 avg rating
251 total reviews1 offer 24/7 service

Top-Rated AC Replacement Contractors in Gettysburg

#1

Ken Adams Mechanical

4.7(155 reviews)

All four sampled reviewers awarded five stars, citing honesty in diagnostics, thorough safety assessments, and technician skill during complex installations.…

3424 York Rd, Gettysburg, PA 17325
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#2

Peak Heating, Cooling, & Property Services

5.0(67 reviews)
24/7

All six detailed reviews award 5 stars, with four reviewers specifically mentioning same-day or urgent-response service. Three customers highlight transparent…

642 Hooker Dr, Gettysburg, PA 17325
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#3

SE Green Plumbing, Heating & Cooling

2.6(26 reviews)

Three published reviews split between 1-star and 5-star ratings. Positive feedback mentions honest service and problem-solving without charging for issues…

159 Hanover Rd, Gettysburg, PA 17325
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All AC Replacement Contractors (5 total)

Modern Comfort Systems, Inc.

4.7(3)

Two customers left detailed reviews, with Corinne Ritsick awarding 5 stars for a new HVAC installation and…

960 Old Harrisburg Rd, Gettysburg, PA 17325
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Holtzople Heating & Air Conditioning

0.0
15 Sachs Rd, Gettysburg, PA 17325
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AC Replacement Costs in Gettysburg

Replacement costs for aging systems in Gettysburg. 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 Gettysburg, PA: What to Expect

Gettysburg sits in Pennsylvania's humid continental zone, where July and August push humidity above 60% while summer highs reach the upper 80s. The Susquehanna Valley delivers four distinct seasons, meaning cooling systems face meaningful demand each summer while heating carries the load from November through March. Homeowners searching for AC Replacement in Gettysburg encounter a market of five contractors holding an average rating of 3.4 across 253 client reviews.

AC replacement costs in Gettysburg reflect system capacity and efficiency ratings. A basic 3-ton central AC runs $6,160 to $12,320, while mid-efficiency 4-ton units range from $8,400 to $15,680. High-efficiency 5-ton systems command $10,640 to $17,920. Pennsylvania has no statewide HVAC license, so local licensing applies and homeowners should verify contractor credentials directly.

Ken Adams Mechanical draws consistent praise for honest diagnostics and thorough safety assessments, with reviewers highlighting technician skill during complex installations. Peak Heating, Cooling & Property Services earns recognition for same-day and urgent-response service, with multiple customers noting transparent recommendations and a refusal to oversell unnecessary equipment.

Frequently Asked Questions

AC replacement in Gettysburg 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.