6 AC Replacement Contractors in Manchester, NH

4.6 avg rating
1,711 total reviews3 offer 24/7 service
Need emergency service? 12 HVAC providers in Manchester offer 24/7 availability

Top-Rated AC Replacement Contractors in Manchester

#1

Ceaser Chimney Service, Inc

4.9(1,073 reviews)
Highly Rated

Overwhelmingly positive feedback highlights skilled technicians who communicate clearly with homeowners and other contractors. Five-star reviews frequently…

750 E Industrial Park Dr Unit #5 Unit #5, Manchester, NH 03109
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#2

LHR Plumbing Heating Cooling and Electric

4.9(482 reviews)
24/7 Highly Rated

Across 482 reviews yielding a 4.9-star average, technicians Mike and Julian receive multiple named mentions for water heater installation and drain repair…

326 Lincoln St, Manchester, NH 03103
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#3

Paul The Plumber - Manchester

4.8(82 reviews)

Every reviewer rates this contractor 5 stars, with zero negative feedback in the sampled reviews. Eight clients specifically mention same-day service or rapid…

1087 Elm St Suite 406, Manchester, NH 03101
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All AC Replacement Contractors (6 total)

Absco Heating & Home Service

4.1(43)

Forty-three reviews yield a 4.1-star average, with all five-star ratings citing specific technicians. Four…

421 Harvard St, Manchester, NH 03103
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Twins Plumbing and Heating Inc.

4.7(23)
24/7

Five of six published reviews award five stars, praising same-day arrival, thorough diagnostics, and…

100 Zachary Rd unit 4, Manchester, NH 03109
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Accurate Air

4.4(8)
24/7

Eight customers awarded an average 4.4 stars, with both detailed reviews awarding five stars and praising…

140 Bouchard St, Manchester, NH 03103
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AC Replacement Costs in Manchester

Replacement costs for aging systems in Manchester. 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 Manchester, NH: What to Expect

Southern New Hampshire delivers a climate that makes AC Replacement in Manchester a practical consideration rather than a luxury. Winters drop to around 20 F with heavy snow, while summers climb into the 80s with enough humidity to test any cooling system. The heating season stretches from October through April, but those humid summer weeks create real demand for reliable air conditioning. Six contractors serve the region with an average rating of 4.6 stars, meaning homeowners have access to experienced professionals when systems fail.

Installing central AC involves concrete costs. A basic 3-ton system runs $6,160 to $12,320, while mid-efficiency 4-ton units range from $8,400 to $15,680. High-efficiency 5-ton models reach $10,640 to $17,920, reflecting differences in equipment quality and installation complexity. New Hampshire requires HVAC contractors to hold proper licensing, specifically an HVAC/R Contractor License from the state Office of Professional Licensure and Certification, before handling residential installations.

Customer feedback reveals clear favorites. Ceaser Chimney Service earns repeated praise for technicians who communicate clearly and never spring unexpected charges on homeowners. LHR Plumbing Heating Cooling draws mentions for technicians Mike and Julian delivering what reviewers call dependable work. Paul The Plumber stands out for same-day service and transparent pricing, with every sampled review awarding five stars.

Frequently Asked Questions

AC replacement in Manchester 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.