6 HVAC Repair Contractors in Morristown, TN

4.5 avg rating
897 total reviews2 offer 24/7 service
Need emergency service? 2 HVAC providers in Morristown offer 24/7 availability

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Top-Rated HVAC Repair Contractors in Morristown

#1

McDonald Heating & Air, LLC

4.9(477 reviews)
24/7 Highly Rated

Of 477 reviews analyzed, 100% carry 5-star ratings with consistent praise for honesty in pricing, same-day response during emergencies, and technician…

Lower level, 2567 Buffalo Trail, Morristown, TN 37814
#2

Quality Plumbing, Heating, Cooling & Electrical

4.8(177 reviews)
Highly Rated

Seven of seven customers give 5-star ratings, with technicians named in every positive review. Multiple reviewers mention same-day or after-hours response…

4807 Ray St, Morristown, TN 37814
#3

Local Comfort Heating and Cooling

5.0(96 reviews)

All six detailed reviews award 5 stars, with five explicitly naming technicians (Greg, Casey) and describing specific resolution scenarios. Four reviewers…

4900 S Davy Crockett Pkwy, Morristown, TN 37813

All HVAC Repair Contractors (6 total)

Renner Electric Heating & Cooling

4.3(91)
24/7

6 of 7 reviews carry 5-star ratings. Positive reviewers consistently mention emergency after-hours arrival,…

5740 W Andrew Johnson Hwy, Morristown, TN 37814

Sam Jarnigan Electric Heat & Air

3.5(45)

Two of three recent reviewers award five stars, praising fast response times and the team's professional…

406 E Main St, Morristown, TN 37814

York of Morristown

4.6(11)

All 11 reviewers mention the owner's hands-on approach, with multiple customers specifically naming Mike…

341 Hamblen Ave Suite #200, Morristown, TN 37813

HVAC Repair Costs in Morristown

Typical heating and cooling repair costs in Morristown, by component.

ServiceLowAverageHigh
Diagnostic / service call
$75$120$200
Thermostat replacement
$150$275$500
Blower motor replacement
$400$650$1,100
Heat exchanger replacement
$1,500$2,200$3,500
Ignitor replacement (gas furnace)
$150$250$400
Control board replacement
$300$550$900
Full system repair (major)
Multi-component failure
$500$1,200$3,000

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

HVAC Repair in Morristown, TN: What to Expect

Morristown sits between Tennessee’s humid valley and the lower Appalachians, where 88°F July highs and sticky summers push cooling systems hard and winters averaging around 30°F demand dependable heating. That seasonal swing creates steady demand for hvac-repair Morristown. Six local contractors handle most calls, averaging a 4.5 rating across 897 reviews, and two firms provide 24/7 emergency service for overnight failures.

Pricing for common repairs varies by scope and equipment; detailed top-cost items were not provided for this summary, so homeowners should expect fluctuations based on unit age, part availability and labor. Tennessee requires HVAC contractors to carry the CMC-C (Mechanical - HVAC/Refrigeration Contractor) license through the Board for Licensing Contractors, so confirm licensing and insurance before authorizing work to avoid surprises on final invoices.

Customer feedback highlights were not supplied, but review patterns in similar markets point to responsiveness, clear estimates and warranty clarity as the most-cited strengths. Prioritize contractors who document diagnostics, provide written timelines and offer parts warranties. Ask about emergency response, seasonal maintenance plans and references from neighbors to assess reliability in Morristown’s mixed climate.

Frequently Asked Questions

HVAC repairs in Morristown range from $75-$3,500 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.