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National Gas & Oil Conversions, Llc.HVAC contractor in Rockville Centre, NY

National Gas & Oil Conversions, Llc. is an HVAC contractor at 25 Woodland Ave, Rockville Centre, NY 11570, rated 2.6 from 5 Google reviews. Open 24 hours a day, 7 days a week.

Rockville Centre, NY0 paid placements in any rankingHow we rank

Call (516) 852-5588Website ↗

Key facts

Key facts about National Gas & Oil Conversions, Llc.
Address25 Woodland Ave, Rockville Centre, NY 11570Get directions
Phone(516) 852-5588
Websitenationalgasandoilconversions.com
HoursOpen 24 hours, 7 days a week
Google rating2.6 from 5 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves Rockville Centre and 11 towns within 25 miles: Oceanside, East Rockaway, Lynbrook, Baldwin, Baldwin Harbor, Malverne, Hewlett, Freeport, Valley Stream, Roosevelt and Woodmere.

Based in Rockville Centre, NYView on map

Opening hours

Opening hours for National Gas & Oil Conversions, Llc.
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

No ContractorsRanked reviews yet

Google

2.6from 5 Google reviews

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Questions about National Gas & Oil Conversions, Llc.

What are National Gas & Oil Conversions, Llc.’s hours?

National Gas & Oil Conversions, Llc. 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 Gas & Oil Conversions, Llc. serve?

Serves Rockville Centre and 11 towns within 25 miles: Oceanside, East Rockaway, Lynbrook, Baldwin, Baldwin Harbor, Malverne, Hewlett, Freeport, Valley Stream, Roosevelt and Woodmere. 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 National Gas & Oil Conversions, Llc.?

National Gas & Oil Conversions, Llc. has a rating of 2.6 from 5 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 National Gas & Oil Conversions, Llc.?

Call National Gas & Oil Conversions, Llc. on (516) 852-5588. The business is at 25 Woodland Ave, Rockville Centre, NY 11570. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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