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One Hour Heating & Air Conditioning® of Suffolk County

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4.5 AVG (199 Reviews)

Here For You

When You Need Us Most!

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  • 'Round the Clock Availability

    No matter the hour, you can trust One Hour to be there to help you when you get hit with the unexpected.

  • 100% Satisfaction Guarantee

    We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service.

  • StraightForward Pricing® Guide

    Before we start any work, we discuss your available options so you know exactly what you are getting and how much it will cost. No hidden fees!

  • Always On Time…Or You Don’t Pay A Dime!®

    We understand your time is valuable, so we promise to arrive at your home within the predetermined time window that you select, or your service call is free.

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100% Satisfaction Guaranteed

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Suffolk County

HVAC Repair, Installation & Maintenance

Heating, AC & Furnace Repairs in Suffolk County, NY

When homeowners want a reliable heating or air conditioning system that they don’t have to think about, they call One Hour Heating & Air Conditioning. We are the premier HVAC service provider in the United States for a simple reason: we actually care about your comfort.

At One Hour, we respect you, we respect your time, and, most importantly, we respect the trust that you put in us to keep your home comfortable. It’s why we back all of our work with a 100% customer satisfaction guarantee for two years, and it’s why we’re always on time—guaranteed.

Need HVAC Help ASAP?

Red and white 24/7 phone icon indicating round-the-clock service availability.

Call Us Today at (631) 779-4056

Our team will take your call 24 hours a day, seven days a week. Below are our service hours of operation.

Monday:

24 hours

Tuesday:

24 hours

Wednesday:

24 hours

Thursday:

24 hours

Friday:

24 hours

Saturday:

24 hours

Sunday:

24 hours

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One Hour Heating & Air Conditioning technician standing by a branded service van, ready for a home service visit.

Frequently

Asked Questions

  • The ‘One Hour’ in our company name indicates our guarantee to be at your home in the predetermined window quoted when you set your appointment. If we do not show up within that window, your service call fee is waived.

    1. Express Appointment: This is an appointment that is scheduled during a specified one-hour time slot. You are promised that a technician will arrive at your home within this one-hour time window. You will also receive a call when the technician is en route to your home.

    2. Reserved Appointment: This is an appointment that is scheduled during a specified, two-hour time slot. You are promised that a technician will arrive at your home within this two-hour time window. You will also receive a call when the technician is en route to your home.

    3. Standard Appointment: This is an appointment that is scheduled during a specified four-hour time slot. You are promised that a technician will arrive at your home within this four-hour time window. You will also receive a call when the technician is en route to your home.

    4. Stand-By Appointment: This appointment is for overflow situations. This appointment will not have a specified time. You will receive a call when the technician is en route to your home.

    5. Emergency Appointment: This appointment is for an unspecified time after normal business hours Monday – Saturday and all day on Sundays/Holidays. Calls are dispatched in the same order they are received. You will also receive a call when the technician is en route to your home.

  • Yes, we offer emergency services 24-hours a day, year-round.

  • The size and complexity of your HVAC issue will determine the cost. Because our trained, licensed HVAC technicians must diagnose the issue before we are able to quote you an accurate cost, we require an appointment to be set to complete a diagnostic on your system. Once the diagnostic is complete, your One Hour(R) technician will walk you through all costs using our Straightforward Pricing(R) Guide so there are never any surprise fees.

  • It’s ideal to service your cooling system each spring and your heating system each fall to ensure you find small issues before they become big problems.

  • Your filter should be changed every one to three months, depending on conditions in your home and your region’s climate.

  • We work built relationships with several lenders to ensure our customers are able to restore comfort in their homes. Ask your technician about your financing options.

  • Smart thermostats learn a household's patterns and adjust heating and cooling according to when a home is occupied, give homeowners the ability to control the thermostat remotely, and enable homeowners to reduce their energy use, saving you money.

  • HVAC means Heating, Ventilation, and Air Conditioning. HVAC systems refer to air conditioners, furnaces, and any unit that cools indoor spaces during the summer and warm them in the winter.

    In general, an HVAC system takes in air, heats or cools that air, and blows it into a room or any indoor space. While many homes have separate air conditioning and heating units, others have a heat pump that cools and heats the house.

    Not only do HVAC systems maintain desired temperatures, but they also improve indoor air quality and regulate humidity levels. But most importantly, these units provide comfort all year round.

  • The SEER (seasonal energy efficiency ratio) is a measure of the efficiency of your heating and cooling system.The higher the SEER rating, the more efficiently a unit operates. The SEER rating of any given unit can range anywhere from 13 to 21.

Suffolk County

HVAC Services Have Great Guarantees

Our customers love what we do because we treat them like the neighbors they are to us. While we carry the One Hour name, we’re an independently owned and operated business with a personal investment in the local community. We back our work with a 100% satisfaction guarantee, provide StraightForward® pricing guides for your benefit, and will pay you back for being even one minute late to an appointment.

Find out for yourself why customers love what we do by calling our Suffolk County HVAC repair, installation, and maintenance team today!

Our

Happy Customers

Our Comfort Specialists are available to help, no matter the time of day. If you're in need of emergency services, we've got you covered 24/7.

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Awards & Badges

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HVAC Near Me In...

  • RIVERHEAD
  • AMAGANSETT
  • AQUEBOGUE
  • BRIDGEHAMPTON
  • CUTCHOGUE
  • EAST HAMPTON
  • EAST MARION
  • EAST MORICHES
  • EASTPORT
  • EAST QUOGUE
  • GREENPORT
  • HAMPTON BAYS
  • JAMESPORT
  • LAUREL
  • MATTITUCK
  • MONTAUK
  • NEW SUFFOLK
  • ORIENT
  • PECONIC
  • QUOGUE
  • REMSENBURG
  • SAGAPONACK
  • SAG HARBOR
  • SHELTER ISLAND
  • SHELTER ISLAND HEIGHTS
  • SOUTHAMPTON
  • SOUTH JAMESPORT
  • SOUTHOLD
  • SPEONK
  • WAINSCOTT
  • WATER MILL
  • WESTHAMPTON
  • WESTHAMPTON BEACH
  • BROOKHAVEN
  • SHOREHAM
  • WADING RIVER
  • CALVERTON
  • CENTER MORICHES
  • MANORVILLE
  • MASTIC
  • MASTIC BEACH
  • MORICHES
  • RIDGE
  • SHIRLEY
  • UPTON
  • YAPHANK
  • HOLTSVILLE
  • BAYPORT
  • BELLPORT
  • BLUE POINT
  • HOLBROOK
  • MEDFORD
  • PATCHOGUE
  • BOHEMIA
  • EAST ISLIP
  • GREAT RIVER
  • ISLIP
  • ISLIP TERRACE
  • OAKDALE
  • RONKONKOMA
  • SAYVILLE
  • WEST SAYVILLE
  • BRENTWOOD
  • CENTRAL ISLIP
  • COMMACK
  • ISLANDIA
  • HAUPPAUGE
  • CENTERPORT
  • COLD SPRING HARBOR
  • EAST NORTHPORT
  • GREENLAWN
  • HUNTINGTON
  • KINGS PARK
  • NORTHPORT
  • BETHPAGE
  • FARMINGDALE
  • HUNTINGTON STATION
  • MELVILLE
  • OLD BETHPAGE
  • BABYLON
  • NORTH BABYLON
  • BAY SHORE
  • WEST BABYLON
  • BRIGHTWATERS
  • OCEAN BEACH
  • WEST ISLIP
  • WEST BABYLON
  • DEER PARK
  • LINDENHURST
  • WYANDANCH
  • AMITYVILLE
  • COPIAGUE
  • FARMINGDALE
  • MASSAPEQUA
  • MASSAPEQUA PARK
  • HEMPSTEAD
  • MERRICK
  • BELLMORE
  • SEAFORD
  • WANTAGH
  • BALDWIN
  • FREEPORT
  • HEMPSTEAD
  • UNIONDALE
  • ROOSEVELT
  • CARLE PLACE
  • EAST MEADOW
  • WESTBURY
  • LEVITTOWN
  • BAYVILLE
  • EAST NORWICH
  • JERICHO
  • MILL NECK
  • OYSTER BAY
  • MELVILLE
  • SYOSSET
  • WOODBURY
  • HICKSVILLE
  • PLAINVIEW
  • MANHASSET
  • PORT WASHINGTON
  • ALBERTSON
  • GLEN COVE
  • GLEN HEAD
  • GLENWOOD LANDING
  • GREENVALE
  • LOCUST VALLEY
  • OLD WESTBURY
  • ROSLYN
  • ROSLYN HEIGHTS
  • SEA CLIFF
  • HICKSVILLE
  • FLORAL PARK
  • GREAT NECK
  • NEW HYDE PARK
  • MINEOLA
  • GARDEN CITY
  • WILLISTON PARK
  • ELMONT
  • FRANKLIN SQUARE
  • WEST HEMPSTEAD
  • VALLEY STREAM
  • EAST ROCKAWAY
  • ISLAND PARK
  • LONG BEACH
  • LYNBROOK
  • MALVERNE
  • ROCKVILLE CENTRE
  • OCEANSIDE
  • INWOOD
  • ROSEDALE
  • ATLANTIC BEACH
  • CEDARHURST
  • HEWLETT
  • LAWRENCE
  • VALLEY STREAM
  • WOODMERE
  • FAR ROCKAWAY

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