Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateHVAC Company in Hempstead, NY
Hempstead’s housing stock runs the full range: 1920s colonials with radiators, mid-century capes with window units, brick row houses, and garden apartments. That mix means no two HVAC jobs here look the same. Add in damp, salty air that eats exposed condenser coils and you get a repair market that rewards technicians who actually inspect before quoting. Dalton Heating & Air handles all of it with written pricing and a full-year guarantee on every repair. Call (516) 559-4840 when your system quits.
Why Hempstead Homes Are Different
Hempstead sits on Long Island, close enough to the Atlantic that salt air drifts over the village. Homes south of Hempstead Turnpike tend to show coil corrosion earlier than houses further inland. We replace more condenser coils here than in almost any other part of Nassau County. The housing stock compounds things. Many pre-war homes still run oil-fired boilers and steam heat, while central air was simply never installed. In those houses, we often recommend heat pump installation as a retrofit rather than trying to force ductwork through a finished attic or basement. The areas around Hofstra University and the village center have their own quirk: converted attics and basements that lack proper return air. That pushes a lot of Hempstead homeowners toward ductless mini-splits. Narrow side alleys on the older grid also make condenser placement a real puzzle. We route linesets through tight spaces on a regular basis here.
Styles & brands we work with
Our Main Hempstead Services
Most calls we field in Hempstead come down to two things: an AC system that died on a humid July night, or a furnace that won’t fire on a cold January morning. Heat pump installation is the third major request, usually from homeowners looking to add cooling to a house that never had it.
AC Repair in Hempstead
Central air fails in Hempstead in predictable ways. Salt corrosion on the condenser coil is the big one, especially south of Hempstead Turnpike. Refrigerant leaks follow close behind. When we arrive, we test pressures, inspect the coil, and put the repair cost in writing before any work starts. If your system is older and the compressor has failed, we’ll tell you straight whether repair or replacement makes more sense. Our AC Repair in Hempstead page covers pricing and the most common failures in detail.
Heat Pump Installation in Hempstead
A heat pump is often the smartest answer for a Hempstead home that runs on window units or has a steam system with no ductwork. Ductless mini-splits fit where ducts can’t go, which matters in the village’s older core where finished basements and tight spaces rule out traditional runs. We size the system to the room load, not a rule of thumb. Installation includes a written price, a set install date, and paperwork handled for any rebates you qualify for. See Heat Pump Installation in Hempstead for full details on what the job involves.
Furnace Repair in Hempstead
Hempstead’s older homes still carry a lot of oil-fired boilers and steam heat. When a furnace or boiler won’t fire, the problem is usually an ignition issue, a failed circulator, or a blocked condensate line. We diagnose the actual fault, quote the repair in writing, and stand behind it for a full year. If the fix doesn’t hold, we return at no charge. Our Furnace Repair in Hempstead page breaks down what most repairs cost and how fast we can get to you.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Hempstead
Our technicians are factory-trained on Rheem, York, Daikin, Bryant, and five other major residential lines. We keep common parts for these brands stocked on local trucks, so most repairs in Hempstead finish the same day. See our brands page for the full list of equipment we service.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Hempstead, NY
| Service | Typical range in Hempstead |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| AC installation | $3,500 – $7,500 |
| Tune-up | $80 – $200 |
In Hempstead, two things push repair costs higher than average: salt-air coil damage that requires full coil replacement, and older systems where one failing part has been stressing others. Whatever the number, you get it in writing before we start, and every repair carries a written guarantee for a full year.
Neighborhoods We Serve in Hempstead
We work across the entire Hempstead area, from the village center up through the residential blocks near Hofstra. Response time is typically same-day for emergency calls and next-day for routine service.
- Village center
- Hofstra University area
- South Hempstead
- Hempstead Gardens
- Franklin Square border
Service Area – Cities Near Hempstead
Dalton Heating & Air serves Hempstead and the surrounding Nassau County communities. If you’re a few minutes away in Uniondale, NY, East Meadow, NY, Rockville Centre, NY, or Merrick, NY, our Hempstead-based crews cover your area with the same written pricing and full-year guarantee.
Serving Hempstead, NY - Our Local Coverage Area
We’re based in the Hempstead area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Company in Hempstead
We aim for same-day response on emergency calls across Hempstead. Our dispatch line is answered by a live person 24/7, so you’ll always speak to a real human, not a voicemail queue. Call (516) 559-4840 and we’ll give you a straight answer on timing.
Many HVAC installations and some replacements in the Village of Hempstead require a permit. We handle the paperwork for you when a permit is required, so you’re not left figuring out the building department yourself. The price we quote includes whatever filings the job needs.
Yes. A lot of Hempstead’s pre-war homes and mid-century builds have no central ductwork. Ductless mini-split heat pumps are the usual solution, and we install them regularly in the village’s older core. We’ll assess your layout and tell you honestly whether ductless makes sense for your house.
Call Dalton Heating & Air at (516) 559-4840 for a free estimate on any HVAC work in Hempstead. You’ll get a written price before anything starts, a set appointment window, and a technician who shows up on time and leaves the site clean. That’s the standard on every job, no exceptions.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Hempstead Customers Say
"No pressure to upgrade. He said the old unit had a few years left and fixed the actual problem."
- Jimmy V."Changed the filter size and added a better filter rack. Simple and useful advice."
- Rhonda C."Furnace tune-up. He cleaned the burners and flame sensor, tested for carbon monoxide, and gave me a clear report."
- Lisa M.