HVAC Contractor in Smithtown, NY | AC Tune-Up & Maintenance
One of Long Island's top-rated HVAC contractors, serving the Town of Smithtown — Commack, Kings Park, Nesconset, Hauppauge, St. James and beyond. From annual AC tune-ups to full system replacements, we do it all. NY licensed, same-day service available.
Complete HVAC Services for Smithtown Homeowners
We're more than a tune-up company. As your full-service Smithtown HVAC contractor, we handle everything from seasonal maintenance to emergency repairs and full system installations.
- Full 22-point system inspection
- Coil cleaning (evaporator & condenser)
- Air filter replacement
- Refrigerant level check & top-off
- Electrical connections & capacitor test
- Thermostat calibration
- Condensate drain flush
- Written performance report
Best HVAC on Long Island
Consistently top-rated by Smithtown homeowners for quality, speed, and transparency. When your HVAC fails, we're the team Long Island calls first.
Communities We Serve in Town of Smithtown
Fast response across all Smithtown neighborhoods — local technicians, local knowledge.
Contact Your Smithtown HVAC Contractor
Fill out the form and a local technician will contact you promptly. For emergencies call (877) 687-0006.
Get a Free Quote
Available 24/7
Emergency and scheduled HVAC service across all of Smithtown. No overtime fees.
NY Licensed & Insured
Full licensing, liability insurance, and workers' comp on every job.
Same-Day Service
We dispatch Smithtown-area technicians quickly for emergency and routine calls.
All Services
Tune-ups, repairs, installations, replacements — we do it all in Smithtown.
HVAC FAQs — Smithtown, NY
What makes Captain Heat and Air one of the best HVAC companies on Long Island?
We're NY licensed, 24/7 available, carry full insurance, and offer flat-rate transparent pricing. Our technicians are multi-brand certified and focused exclusively on Long Island homeowner satisfaction.
Do you offer AC maintenance in Commack and Kings Park?
Yes — we serve all communities within the Town of Smithtown including Commack, Kings Park, Nesconset, Hauppauge, St. James, Nissequogue, Fort Salonga, and more.
How often should a Smithtown homeowner schedule AC maintenance?
Once per year in early spring is ideal. Annual maintenance prevents breakdowns, maintains efficiency, and extends the life of your HVAC system significantly.
Can you install a new AC system in Smithtown?
Absolutely. We install all major brands including Carrier, Trane, Lennox, and Goodman. We also offer free estimates for new AC installations and replacements.
Do you offer emergency HVAC service in Smithtown?
Yes — 24/7 emergency HVAC service is available across all of the Town of Smithtown. Call (877) 687-0006 anytime, day or night.
Are your Smithtown HVAC technicians licensed?
All our technicians are fully licensed by New York State, insured, and carry workers' compensation coverage. We're compliant with all Suffolk County requirements.
Looking for the Best HVAC Contractor in Smithtown?
Same-day appointments across Commack, Kings Park, Nesconset and all of Smithtown. Get your free estimate today.