Expert Heating & Cooling in Locust Valley, NY
Nassau County • 11560
Locust Valley homeowners choose us for premium HVAC services befitting this prestigious Gold Coast community's historic estates and luxury properties.

Expert HVAC Services in Locust Valley, Nassau County
Home+ Air and Heat provides comprehensive heating, cooling, and air quality services to homeowners throughout Locust Valley. Our licensed technicians are available 24/7 for everything from routine maintenance to emergency repairs — with same-day availability and a 90-minute emergency response time.
We work with all major brands and system types, from traditional furnaces and central AC to modern heat pumps and ductless mini-splits. Every job comes with upfront pricing, no fees, and a satisfaction guarantee. We proudly serve all of Locust Valley, including areas near Locust Valley Train Station, Piping Rock Club, Glen Cove Road.
What HVAC in Locust Valley Actually Looks Like
Honest notes from technicians who service Locust Valley every week — housing stock, the issues we see most, and what permitting looks like here.
Housing Stock in Locust Valley
Locust Valley is classic Gold Coast — large 1910s–30s estates and shingle-style country homes on 2–10+ acre lots, particularly in Lattingtown and Matinecock. The village core has smaller 1900s village homes and modern customs in the 2,500–4,000 sq ft range. Many estates retain carriage houses, gatehouses, and pool pavilions on the property.
Common HVAC Issues in Locust Valley
- Original 1910s–30s steam and hot-water boilers — restoration vs. high-efficiency gas conversion vs. heat pump hybrid is the typical conversation
- Estate-scale multi-zone VRF designs serving main house, guest cottage, and pool house together
- Lattingtown waterfront homes with salt-air condenser exposure from Long Island Sound
- Historic-character properties with limited mechanical chase space — high-velocity and ductless solutions are common
- Long refrigerant line runs (100–200+ ft) on multi-acre properties requiring careful design and inverter equipment
Neighborhood Notes
Lattingtown and Matinecock are the deepest estate work — multi-zone VRF, modulating systems, and waterfront salt-air specs. The Locust Valley Village core near the train station and Piping Rock Club has more modest historic and custom homes with simpler replacements.
Permits & Local Code
Locust Valley is in the Town of Oyster Bay. Lattingtown and Matinecock are incorporated villages requiring a separate village permit on top of the town permit. PSEG-LI Home Comfort heat pump rebates apply.
Climate & Microclimate
Lattingtown's Long Island Sound frontage brings salt air to waterfront installs. Heavy mature tree cover throughout the area moderates summer temperatures but loads condenser coils with leaf and pollen debris.
Priority HVAC Services in Locust Valley
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
Get a Free HVAC Quote in Locust Valley
No obligation. A technician will call you within 30 minutes to discuss your needs.
HVAC Services in Locust Valley
Explore our specialized HVAC services with detailed information for Locust Valley homeowners
Furnace Repair
in Locust Valley
No Heat Emergency
in Locust Valley
Furnace Installation
in Locust Valley
Heating Repair
in Locust Valley
Furnace Tune-Up
in Locust Valley
Furnace to Heat Pump Conversion
in Locust Valley
Hybrid Heating System
in Locust Valley
Heat Pump Repair
in Locust Valley
Emergency Heating Service
in Locust Valley
Heating Oil Service
in Locust Valley
Boiler Repair
in Locust Valley
AC Repair
in Locust Valley
AC Installation
in Locust Valley
AC Tune-Up
in Locust Valley
Boiler Installation
in Locust Valley
Heat Pump Installation
in Locust Valley
Mini-Split Installation
in Locust Valley
Oil to Gas Conversion
in Locust Valley
Need Help Choosing a Service?
Our HVAC experts are here to recommend the right solution for your Locust Valley home.
Proudly Serving Locust Valley and Surrounding Areas
Neighborhoods We Serve
- Locust Valley Village
- Lattingtown
- Matinecock
- Bayville borders
Local Landmarks
- Locust Valley Train Station
- Piping Rock Club
- Glen Cove Road
- Locust Valley Library
- Lattingtown Harbor
Nearby Cities
HVAC Permit Requirements in Locust Valley
Planning an HVAC installation or replacement in Locust Valley? Understanding local permit requirements is essential. Skipping permits can void warranties, create insurance issues, and cause problems when selling your home.
Jurisdiction: Town of Oyster Bay
We Handle All Permits
Let us navigate the permit process for you. We know Town of Oyster Bay's requirements inside and out.
- Permits included in quote
- We schedule inspections
- 100% code-compliant
Visit Our Jericho Office
Showing directions from Locust Valley, NY
Home+ Air & Heat
55 Jericho Tpke Suite 203, Jericho, NY 11753
Frequently Asked Questions
Real answers for Locust Valley homeowners, based on the homes and systems we work on every week.
Nearby Towns We Serve Near Locust Valley
We also provide expert heating and cooling services to these nearby communities
Why Locust Valley Homeowners Choose Home+ Air & Heat
We've been serving Locust Valley families with expert HVAC services for years. Our commitment to quality, reliability, and customer satisfaction sets us apart.
