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National Heating and CoolingHVAC contractor in Lenoir City, TN

National Heating and Cooling is an HVAC contractor in Lenoir City, TN. Open 24 hours a day, 7 days a week.

Lenoir City, TN0 paid placements in any rankingHow we rank

Call (865) 216-2797

Key facts

Key facts about National Heating and Cooling
Phone(865) 216-2797
HoursOpen 24 hours, 7 days a week

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Lenoir City and 11 towns within 25 miles: Tellico Village, Loudon, Farragut, Sweetwater, Maryville, Kingston, Alcoa, Oak Ridge, Eagleton Village, Harriman and Knoxville.

Based in Lenoir City, TNView on map

Opening hours

Opening hours for National Heating and Cooling
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

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Questions about National Heating and Cooling

What are National Heating and Cooling’s hours?

National Heating and Cooling is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does National Heating and Cooling serve?

Serves Lenoir City and 11 towns within 25 miles: Tellico Village, Loudon, Farragut, Sweetwater, Maryville, Kingston, Alcoa, Oak Ridge, Eagleton Village, Harriman and Knoxville. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

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