6 Emergency HVAC Contractors in Morristown, TN
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Top-Rated Emergency HVAC 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…”
Local Comfort Heating and Cooling
“All six detailed reviews award 5 stars, with five explicitly naming technicians (Greg, Casey) and describing specific resolution scenarios. Four reviewers…”
All Emergency HVAC Contractors (6 total)
Renner Electric Heating & Cooling
“6 of 7 reviews carry 5-star ratings. Positive reviewers consistently mention emergency after-hours arrival,…”
Sam Jarnigan Electric Heat & Air
“Two of three recent reviewers award five stars, praising fast response times and the team's professional…”
Emergency HVAC Costs in Morristown
After-hours, weekend, and holiday HVAC service pricing in Morristown. Rates are typically 1.5-2x standard.
| Service | Low | Average | High |
|---|---|---|---|
After-hours service call (weekday night) Base fee before labor | $150 | $200 | $300 |
Weekend service call | $175 | $225 | $325 |
Holiday / major holiday call | $225 | $300 | $450 |
Emergency labor (hourly) 1.5-2x standard hourly rate | $160 | $205 | $250 |
Emergency repair total (typical) Repair + after-hours surcharge | $300 | $700 | $1,200 |
Emergency repair (major) Compressor, heat exchanger failures | $1,200 | $2,200 | $3,500 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Emergency HVAC in Morristown, TN: What to Expect
Knoxville’s warm, humid summers with July highs near 88°F and Appalachian winters averaging around 30°F create sharp seasonal swings that push cooling and heating systems hard. Those swings are part of why emergency-hvac Morristown demand spikes — six contractors serve the area, averaging a 4.6 rating from 786 reviews, and two advertise true 24/7 emergency availability for overnight breakdowns or heat failures.
The dataset didn’t supply specific dollar figures for common emergency jobs, so precise cost ranges aren’t available here. In this market, expect prices to vary significantly between minor repairs, major component replacements, and full-system changeouts. Any contractor you consider must hold the state-required CMC-C (Mechanical - HVAC/Refrigeration Contractor) license issued by the Tennessee Board for Licensing Contractors to perform regulated work legally.
Customer highlights were not included in the supplied data, so look instead for consistent patterns in local reviews: rapid response times, clear emergency pricing, documentation of work performed, and follow-up service. Prioritize technicians who can show CMC-C credentials, offer written estimates after diagnostics, honor short-term guarantees on emergency repairs, and communicate availability for late-night or weekend calls.