Expert Heating & Cooling in Greenvale, NY
Nassau County • 11548
Greenvale homeowners choose us for fast, professional HVAC service across this quiet North Shore hamlet near LIU Post. · Free estimates · $1,000 off install
What happens when you book in Greenvale
Three simple steps from first click to a comfortable home — no surprises, no fees, no obligation.
1. Book online or call
Pick a time that works for you — same or next-day slots across Greenvale. No pushy phone tag.
2. Free in-home estimate
A senior tech walks your mechanical spaces, runs a Manual J load calc, and hands you a written, itemized fixed-price quote. Zero pressure.
3. Install with $1,000 off
$0-down financing, permits handled for you, and a 10-year labor warranty on every new system we install.
What HVAC in Greenvale Actually Looks Like
Honest notes from technicians who service Greenvale every week — housing stock, the issues we see most, and what permitting looks like here.
Housing Stock in Greenvale
Greenvale is a small North Shore hamlet wedged between Old Brookville, Roslyn Heights, and the LIU Post campus — mostly 1940s–60s colonials and ranches in the 1,800–3,000 sq ft range, with a few larger custom homes closer to the Old Brookville border. Many original homes have been steadily renovated and dormered.
Common HVAC Issues in Greenvale
- Original 1950s ranches with undersized ductwork after second-floor dormer additions
- Aging oil boilers being converted to natural gas as service permits
- 80% AFUE furnaces being replaced with 95%+ AFUE condensing units (offset venting often required)
- Older 100-amp electrical services limiting heat pump conversions without an upgrade
- Larger customs toward Old Brookville needing multi-zone, modulating-equipment designs
Neighborhood Notes
The central Greenvale streets near Wheatley Plaza and Northern Boulevard are mostly post-war replacements and tune-ups. The blocks closer to Old Brookville are larger custom homes with multi-zone systems.
Permits & Local Code
Greenvale is in the Town of North Hempstead (unincorporated hamlet) — HVAC, gas, and electrical permits route through the Town of North Hempstead Building Department. PSEG-LI Home Comfort heat pump rebates apply.
Climate & Microclimate
Inland North Shore — no salt-air exposure. Mature tree cover and proximity to the LIU Post campus woods increase pollen and outdoor coil-cleaning needs.
Three ways to save in Greenvale
Book a visit, claim free furnace with your new ac system, or lock in the Home+ Comfort plan — whichever fits your home best.
Priority HVAC Services in Greenvale
Fast response times, expert technicians, and guaranteed satisfaction
Emergency HVAC Services
24/7 emergency repairs for heating & cooling systems
Heating Services
Furnace repair, heat pump installation & maintenance
Cooling Services
AC installation, repair & maintenance services
Air Quality Services
Indoor air quality testing & improvement solutions
Claim your $1,000 off in Greenvale
Free in-home estimate. No obligation. A senior tech will call within 30 minutes with your fixed-price quote and financing options.
Need Help Choosing a Service?
Our HVAC experts are here to recommend the right solution for your Greenvale home.
Proudly Serving Greenvale and Surrounding Areas
Neighborhoods We Serve
- Greenvale
- Old Brookville borders
- Roslyn Heights borders
Local Landmarks
- LIU Post Campus
- Wheatley Plaza
- Northern Boulevard corridor
Nearby Cities
Visit Our Jericho Office
Showing directions from Greenvale, NY
Home+ Air & Heat
55 Jericho Tpke Suite 203, Jericho, NY 11753
Frequently Asked Questions
Real answers for Greenvale homeowners, based on the homes and systems we work on every week.
Nearby Towns We Serve Near Greenvale
We also provide expert heating and cooling services to these nearby communities
Why Greenvale Homeowners Choose Home+ Air & Heat
We've been serving Greenvale families with expert HVAC services for years. Our commitment to quality, reliability, and customer satisfaction sets us apart.