11 AC Replacement Contractors in Downingtown, PA

4.8 avg rating
608 total reviews5 offer 24/7 service
Need emergency service? 10 HVAC providers in Downingtown offer 24/7 availability

Top-Rated AC Replacement Contractors in Downingtown

#1

Bill Mullen Electric

4.8(164 reviews)
Highly Rated

164reviews averaging 4.8 stars. Customers frequently cite same-day response capability, fair pricing with itemized quotes, and Bill providing multiple solution…

409 Mercer Dr, Downingtown, PA 19335
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#2

Landgarten Heating & Air Conditioning

5.0(133 reviews)
24/7 Highly Rated

All four detailed reviews award 5 stars, with three explicitly naming technician Dave. Two reviewers mention comparing Landgarten against multiple competing…

5 Northwood Dr #1768, Downingtown, PA 19335
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#3

Total Comfort HVAC Repair

4.8(103 reviews)
24/7 Highly Rated

Every reviewer who rated the company awarded 5 stars, with three customers specifically naming the technician who served them. Multiple reviews mention…

150 PA-282, Downingtown, PA 19335
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All AC Replacement Contractors (11 total)

F H Swisher Plumbing & Heating

4.8(66)
24/7

All twelve sampled reviewers award five-star ratings, with several clients noting multi-decade service…

277 Norwood Rd, Downingtown, PA 19335
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Progress Plumbing Heating Co

4.9(40)

Five-star ratings dominate the review portfolio, with forty reviewers awarding top marks. Customers…

114 Stuart Ave, Downingtown, PA 19335
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Sump Pump Gurus | Downingtown

5.0(24)
24/7

Four of eight published reviewers specifically mentioned emergency response or same-day service, while three…

110 E Lancaster Ave, Downingtown, PA 19335
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Trible's, Inc.

4.5(33)

Seven of eight visible reviewers award five stars, citing immediate part availability and knowledgeable…

190 Robbins Rd, Downingtown, PA 19335
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HAV Mechanical

5.0(13)

Five-star ratings dominate the review portfolio, with all six visible reviewers assigning perfect scores.…

1226 Shadyside Rd, Downingtown, PA 19335
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Johnstone Supply

3.7(22)

Four reviewers awarded five-star ratings emphasizing the breadth of available parts inventory and…

299 W Boot Rd SUITE #500, Downingtown, PA 19335
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King Heating & Air Conditioning, LLC

5.0(8)
24/7

Eight reviewers collectively award five stars, with three specifically mentioning same-day or rapid response…

8 Glen View Ln, Downingtown, PA 19335
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All J's Inc

5.0(2)

Both collected reviews award perfect 5-star ratings, indicating exceptional service consistency. Homeowners…

2748 Fynamore Ln, Downingtown, PA 19335
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AC Replacement Costs in Downingtown

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

The climate in Downingtown creates genuine demand for reliable air conditioning from late spring through early fall. Summer temperatures reach 87 F with 29 days above 90 F, and Delaware Valley humidity forces cooling systems to work harder than in drier climates. Winters drop to 26 F, creating a second season of heavy demand. Eleven contractors serve this area with an average rating of 4.8 across 608 reviews, showing that homeowners expect dependable AC Replacement in Downingtown.

Pricing for AC replacement in Downingtown varies by system capacity and efficiency ratings. A basic 3-ton central AC costs between $5500 and $11000, while mid-efficiency 4-ton systems run $7500 to $14000. High-efficiency 5-ton units range from $9500 to $16000, reflecting differences in compressor technology, SEER ratings, and features like variable-speed fans. Pennsylvania has no statewide HVAC license, so local licensing requirements apply and vary by municipality, which means homeowners should verify that their contractor holds all applicable local credentials before work begins.

Customer reviews reveal consistent patterns across Downingtown's HVAC contractors. Bill Mullen Electric receives praise for same-day response times, fair pricing with itemized quotes, and presenting multiple solution options without pressure. Landgarten Heating & Air Conditioning holds a perfect 5-star rating, with technician Dave frequently mentioned by name, and several customers noted they compared Landgarten against multiple competitors before making their choice. Total Comfort HVAC Repair also earns all 5-star reviews, with customers specifically naming their technicians and highlighting same-day or prompt scheduling.

Frequently Asked Questions

AC replacement in Downingtown 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.