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Total Mechanical SystemsHVAC contractor in Holtsville, NY

Total Mechanical Systems is an HVAC contractor at 194 Morris Ave #5, Holtsville, NY 11742, rated 4.3 from 22 Google reviews. Open 24 hours a day, 7 days a week.

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Call (631) 475-4411Website ↗

Key facts

Key facts about Total Mechanical Systems
Address194 Morris Ave #5, Holtsville, NY 11742Get directions
Phone(631) 475-4411
Websitetotalmechanicalsystems.com
HoursOpen 24 hours, 7 days a week
Google rating4.3 from 22 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Holtsville and 11 towns within 25 miles: Holbrook, Farmingville, Ronkonkoma, Medford, North Patchogue, Centereach, Selden, Lake Grove, Lake Ronkonkoma, Patchogue and Bohemia.

Based in Holtsville, NYView on map

Opening hours

Opening hours for Total Mechanical Systems
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.

Reviews

ContractorsRanked reviews

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Google

4.3from 22 Google reviews

Hired Total Mechanical Systems? Write a review

Questions about Total Mechanical Systems

What are Total Mechanical Systems’ hours?

Total Mechanical Systems 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 Total Mechanical Systems serve?

Serves Holtsville and 11 towns within 25 miles: Holbrook, Farmingville, Ronkonkoma, Medford, North Patchogue, Centereach, Selden, Lake Grove, Lake Ronkonkoma, Patchogue and Bohemia. 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.

What do Google reviews say about Total Mechanical Systems?

Total Mechanical Systems has a rating of 4.3 from 22 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Total Mechanical Systems?

Call Total Mechanical Systems on (631) 475-4411. The business is at 194 Morris Ave #5, Holtsville, NY 11742. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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