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24/7 Emergency HVAC Service in Hicksville, NY

No heat on a January night or no AC in a July heat wave – call (516) 930-5483 any time. Same-day appointments available.

House on a snowy winter night

Licensed & insured

Licensed and insured on every job we do.

24/7 emergency service

No heat or no AC? Call any hour, any day.

Same-day appointments

Call early and we can usually be there today.

Upfront pricing

You approve the price before any work starts.

What countsGas or COWhile you waitWhat we fixFAQ

Heating and cooling failures don’t wait for business hours. We take emergency calls around the clock across Hicksville and nearby Nassau County towns.

What Counts as an HVAC Emergency

  • No heat when it’s freezing outside
  • No air conditioning in extreme heat – especially with elderly family members, infants or anyone with a health condition in the house
  • Water leaking from a boiler, furnace or air handler, or a boiler relief valve discharging
  • A burning or electrical smell, or a breaker that keeps tripping when the system starts
  • A boiler or furnace that keeps locking out and won’t restart

If You Smell Gas or a CO Alarm Sounds

Get out first, then call

Leave the house immediately and don’t switch anything on or off. From outside, call 911 or National Grid’s gas emergency line. For a carbon monoxide alarm, get everyone out and call 911. Call us once responders have cleared the house.

While You Wait for Us

  • Check that the thermostat is set correctly and has fresh batteries
  • Check the breaker and the equipment’s service switch
  • Replace a clogged air filter
  • If the AC coil or lines are iced over, turn cooling off and run the fan only
  • Use space heaters safely – keep them clear of anything that can burn and never leave them running unattended
  • In a deep freeze, open sink cabinet doors on outside walls and let faucets drip to help keep pipes from freezing

What We Handle 24/7

Boilers and steam heat, furnaces, central air, heat pumps and ductless mini-splits – in Hicksville and in Levittown, Bethpage, Plainview, Syosset, Westbury, Jericho, Old Bethpage, Carle Place, East Meadow and Farmingdale.

Emergency Service FAQ

Do you really answer at night and on weekends?

Yes. Call (516) 930-5483 any time, 24/7, and we’ll give you a realistic arrival window.

Is emergency service more expensive?

After-hours visits can cost more than a scheduled appointment. We always tell you the price before any work starts.

What should I do if my pipes might freeze while I wait?

Keep interior doors open so heat reaches outside walls, open cabinet doors under sinks on exterior walls, and let faucets drip slightly. Never use an open flame to thaw pipes.

Call any time – day or night

We answer 24/7. Tell us what’s happening and we’ll give you a realistic arrival window.

cs@hicksvillehvac.com

  • Licensed & insured
  • 24/7 emergency service
  • Upfront pricing
  • Manual J load calculations

How a Service Call Works

No call-center runaround and no surprise invoices. Here’s exactly what happens when you call us.

1

Call or text us

Reach us at (516) 930-5483 any time. Tell us what’s happening and we’ll give you a realistic arrival window.

2

We find the real problem

A licensed technician tests your system and shows you what is wrong – in plain English.

3

You approve the price

You get a clear, upfront price before any work starts. Nothing happens without your OK.

4

It gets done right

We complete the repair or installation, test everything and walk you through what we did.

Need Help Right Now?

Call or text (516) 930-5483 – we answer 24/7, and same-day appointments are available.