12 AC Replacement Contractors in Morristown, TN
Top-Rated AC Replacement Contractors in Morristown
McDonald Heating & Air, LLC
“Of 477 reviews analyzed, 100% carry 5-star ratings with consistent praise for honesty in pricing, same-day response during emergencies, and technician…”
High Level
“Ninety-eight of 99 reviews award 5-star ratings, with praise centering on punctual arrival, transparent pricing, and technician knowledge. Reviewers Lin and…”
All AC Replacement Contractors (12 total)
Renner Electric Heating & Cooling
“Six of seven detailed reviews carry 5-star ratings and specifically name individual technicians, Jacob…”
DD electrical service
“Six detailed reviewers awarded five-star ratings, with three specifically naming the technician and praising…”
A1 Air Conditioning & Heating Co
“Both reviewers award 5 stars and name Donnie and Lorie by first name. Neither review is negative, though…”
York of Morristown
“All 11 reviewers mention the owner's hands-on approach, with multiple customers specifically naming Mike…”
East Tennessee Temperature
“This listing currently has no accessible customer reviews. The BUSINESS DATA block shows a 5-star average…”
Home Services at The Home Depot
“One reviewer awarded four stars citing transferable service coordination, while a separate rating of one star…”
H and H Services Heating And Air Conditioning
“The single five-star review uses superlative language to express strong satisfaction, though the brief text…”
Pro-HVAC INC.
“One client awarded a perfect five-star rating, yielding a 100% satisfaction rate without available textual…”
AC Replacement Costs in Morristown
Replacement costs for aging systems in Morristown. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
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 threshold | 50% 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 Morristown, TN: What to Expect
Morristown homeowners face a demanding climate that keeps air conditioning working overtime. Knoxville's summer heat climbs to 88 degrees in July, pairing with Tennessee Valley humidity to push cooling loads well beyond what many older systems can handle. Meanwhile, Appalachian winters averaging 30 degrees test heating reliability. With 11 licensed contractors serving the area and a collective average rating of 4.2 from nearly 750 verified reviews, AC Replacement in Morristown has become a seasonal necessity rather than a luxury upgrade for local households.
Replacement costs depend heavily on system sizing and efficiency specifications. A basic 3-ton central air conditioner runs between $5,500 and $11,000, while mid-efficiency 4-ton units span $7,500 to $14,000. For those seeking maximum efficiency, high-performance 5-ton systems range from $9,500 to $16,000. All Tennessee HVAC contractors must hold the CMC-C mechanical license from the state licensing board, ensuring baseline competence but not guaranteeing any particular skill level or service quality.
Customer feedback reveals clear patterns among top-rated area contractors. McDonald Heating & Air earns consistent praise for honest pricing, same-day emergency response, and professional technicians across all 477 reviewed jobs. Another highly recommended company receives 5-star ratings from 98 of 99 reviewers, with clients noting fair cost estimates and knowledgeable technicians who explain repair options clearly. The best contractors distinguish themselves through rapid response during heat waves and the ability to build lasting client relationships over multiple decades.