HVAC Services in Islandia, NY
Residential heating and air conditioning for homeowners in Islandia — AC repair, furnaces and boilers, oil burners, heat pumps, ductless mini-splits, and the ductwork that ties it together.
Islandia is a small, mostly residential village wedged between Hauppauge and Central Islip. The housing is a mix of older ranches and newer construction, with several developments of similar-age homes built in the same era. Because so many houses here went up around the same time, a whole neighborhood's equipment tends to reach the end of its life together, which is a pattern unique to planned developments.
Hartworx HVAC is a residential-only heating and cooling company based in Ronkonkoma, and Islandia sits inside that service footprint. The owner, Travis Hart, has worked in the HVAC trade since 2017 and answers the phone himself — there is no dispatcher between you and the person who shows up at the door. When equipment in Islandia fails, the call is to (631) 873-5844 and the job is to get it running again, not to sell you something you do not need.
Heating & air conditioning services in Islandia
Homes in Islandia run on a mix of forced-air furnaces, hot water and steam boilers, oil burners, central air, heat pumps, and ductless systems. The work below is what we do here — each links to the page that explains it in detail rather than repeating the same description on every town page.
What's different about Islandia
When the houses in a development were built together, the furnaces and condensers were often installed together too — which means a wave of replacement decisions hits the same streets in the same few years. Sizing the replacement off the old unit's label, instead of a load calculation, is the common mistake on these blocks.
The point of naming it is that the fix is not the same everywhere. A condenser on a salt-air block, a flex duct run through a 120° attic, and a thirty-year-old cast iron boiler in a damp basement are three different jobs, and the wrong move on any of them is to treat it like the other two. On a service call in Islandia, the equipment is looked at first and the diagnosis comes from what is actually there.
Islandia HVAC questions, answered
Real questions from the kind of call that comes in from Islandia. If yours is not here, call and describe what the system is doing.
Several houses on my Islandia street are replacing their systems at the same time. Is that normal?
It is common in developments where the houses and equipment were installed together. The systems reach the end of their life around the same time. The mistake to avoid is sizing the replacement off the old unit's label instead of a load calculation for the actual house.
Do you work on systems you didn't install?
Yes. Hartworx works on existing equipment regardless of who installed it, and on ductless mini-splits as well as central air. Call and describe the system and what it is doing.
My Islandia house has hot water baseboard and no ducts. What are my cooling options?
A house with baseboard heat and no ductwork has real options for cooling, including ductless mini-splits that can be added without touching the boiler. The decision comes from looking at the actual house, not a web page.
Should I replace my system just because it uses R-410A?
No. R-410A remains available for servicing existing systems, and a working R-410A system does not have to be replaced. New systems installed today use a different refrigerant, but that is not a reason to replace a system that is still working.
Islandia on the map
Islandia is in Town of Islip, Suffolk County. The map below is interactive — pan, zoom, and click to explore the area. Hartworx HVAC is based in Ronkonkoma and travels to Islandia for residential service calls.
Request service in Islandia
Tell us what is happening with your heat or AC. If it is out right now, calling (631) 873-5844 is faster — open seven days a week until 10 PM.
In Islandia and need help now?
Open 7 days a week, until 10 PM. The person who answers is the person who comes out.
Nearby areas we serve
Communities around Islandia where Hartworx HVAC also works.