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    HVAC Contractors Near Me

    Nassau County, NY

    Looking for trusted HVAC contractors in Nassau County? We're a family-owned company serving Long Island homeowners with expert heating and cooling services. Licensed, insured, and NATE-certified—call now for same-day service or get a free quote.

    Last updated: January 2026
    Amy Milani
    Written byAmy Milani
    Blake Ruwali
    Reviewed byBlake Ruwali
    Updated

    May 17, 2026

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    Licensed & Insured
    NATE Certified
    5 Stars (52 Reviews)
    24/7 Service

    Why Nassau County Homeowners Choose Home+ Air

    We've built our reputation on honesty, quality work, and standing behind every job.

    < 2 hours

    Avg Response Time

    500+

    Jobs Completed

    5.0

    Customer Rating

    10+

    Years in Nassau County

    Licensed & Insured

    NY State licensed Home Improvement Contractor with full liability and workers' comp coverage

    NATE Certified

    Our technicians hold NATE certification—the industry's most respected credential

    24/7 Emergency Service

    Available around the clock for heating and cooling emergencies

    5-Star Rated

    5 star rating from 52 verified Google reviews

    Ready to Work with a Contractor You Can Trust?

    Get a free estimate for your project or schedule service today. No pressure, no fees.

    HVAC Services We Provide

    From routine maintenance to emergency repairs and new installations, our NATE-certified technicians handle all your heating and cooling needs.

    No Heat? No AC? We're Here 24/7

    Average Response Time: Under 2 Hours in Nassau CountyResponse: Under 2 Hours

    (516) 259-1191$199 diagnostic • No charges
    Pricing Transparency

    What Nassau County Homeowners Actually Pay

    Real pricing from our local service area. Updated January 2026.

    ServiceTypical CostTimeframe
    Furnace Repair$199 diagnostic + repairsSame-day
    AC Repair$199 diagnostic + repairsSame-day
    HVAC Tune-Up$299-$449Scheduled
    Furnace Installation$4,800 - $9,5001-2 days
    AC Installation$5,200 - $12,0001-2 days
    Heat Pump Installation$7,500 - $15,0001-2 days
    Duct Cleaning$595Scheduled
    Emergency Service$199 + repairs2-4 hours

    Upfront Pricing

    No fees or surprises

    Competitive Rates

    Based on local market rates

    Free Estimates

    For installation projects

    * Prices reflect typical Nassau County rates. Actual costs may vary based on system type, accessibility, and complexity. Get a personalized quote for your specific situation.

    Local Expertise

    Nassau County HVAC Challenges We Solve Daily

    Every region has unique HVAC challenges. Here's what we encounter serving Nassau County homeowners—and why local experience matters when choosing a contractor.

    Aging Home Infrastructure

    Many Nassau County homes were built in the 1950s-70s and have outdated HVAC systems, ductwork, and electrical that require careful assessment before upgrades.

    Our Solution:

    We perform comprehensive home assessments and can work with existing infrastructure or recommend cost-effective upgrades.

    Salt Air & Coastal Corrosion

    Coastal communities experience accelerated corrosion on outdoor AC units and heat pumps due to salt air exposure, reducing equipment lifespan by 20-30%.

    Our Solution:

    We recommend corrosion-resistant coatings and coastal-rated equipment for homes within 5 miles of the shore.

    High Summer Humidity

    Long Island's humid summers put extra strain on AC systems. Undersized or improperly configured systems struggle to remove moisture, leading to comfort issues and mold risk.

    Our Solution:

    Proper sizing via Manual J calculation and recommending variable-speed systems that better control humidity.

    Extreme Temperature Swings

    Nassau County sees temperatures from single digits to 100°F+. Systems need to handle both extremes efficiently without excessive wear.

    Our Solution:

    We install heat pumps with cold-climate ratings and high-efficiency furnaces that perform in extreme conditions.

    Varied Construction Types

    From Cape Cods and ranches to multi-story Colonials and split-levels, each home type presents unique HVAC challenges for ductwork and system placement.

    Our Solution:

    Our technicians are trained on all common Long Island home styles and know the best solutions for each.

    Oil-to-Gas/Heat Pump Conversions

    Many older homes still use oil heat. Converting to natural gas or heat pumps requires understanding local utility connections and NYSERDA incentive programs.

    Our Solution:

    We handle full conversions including tank removal coordination, utility applications, and rebate paperwork.

    Customer Reviews

    What Nassau County Homeowners Say

    Real feedback from your neighbors who've trusted us with their home comfort.

    Furnace Repair

    "Our furnace stopped working on the coldest night of the year. Called at 9 PM and they were here by 11 PM. Fixed the issue quickly and fairly priced. Can't recommend them enough!"

    Michael R.Garden City
    AC Installation

    "Blake and his team installed our new central AC system. They were professional, clean, and took the time to explain everything. The system works perfectly and our energy bills have dropped."

    Jennifer L.Mineola
    Heat Pump Installation

    "We switched from oil to a heat pump and couldn't be happier. The team handled all the permits, the installation was done in two days, and they even helped us apply for NYSERDA rebates."

    Robert & Susan M.Massapequa
    Emergency Repair

    "Had a carbon monoxide detector go off on a Sunday night. They came out immediately, found the issue with our old furnace, and made it safe. They could have tried to upsell a new system but gave honest advice instead."

    David K.Hicksville
    Duct Cleaning

    "After renovating our home, the dust was terrible. Home+ did a thorough duct cleaning and the difference is night and day. Our allergies have improved significantly. Very professional team."

    Sarah T.Freeport
    Annual Tune-Up

    "Been using them for annual maintenance for three years now. They always show up on time, explain what they're doing, and catch small issues before they become big problems. Fair pricing too."

    Anthony P.Levittown
    Mini-Split Installation

    "Added a mini-split to our converted garage office. Blake helped us choose the right size unit and the installation was clean and quick. It's been running perfectly through this hot summer."

    Margaret H.Rockville Centre
    New Construction HVAC

    "Built a new addition and needed complete HVAC for it. They worked with our contractor seamlessly, handled the Town of North Hempstead permits, and the zoning works perfectly with our existing system."

    James & Linda W.Great Neck

    5 out of 5 stars based on 52 reviews

    Verified on Google Business Profile

    Compare Your Options

    Types of HVAC Contractors: What to Expect

    Not all HVAC contractors operate the same way. Here's how different types compare so you can choose what's right for your situation.

    Feature
    National Franchise(One Hour, ARS, etc.)
    Large Regional(Multi-location companies)
    Local Family-Owned(Home+ Air & Heat)
    Knows local building codes
    Same technician each visit
    Direct owner contact
    Flexible scheduling
    Competitive pricing
    Quick emergency response
    Community reputation matters
    Personalized recommendations

    Local Family-Owned

    Home+ Air & Heat

    Knows local building codes
    Same technician each visit
    Direct owner contact
    Flexible scheduling
    Competitive pricing
    Quick emergency response
    Community reputation matters
    Personalized recommendations

    Large Regional

    Multi-location companies

    Knows local building codes
    Same technician each visit
    Direct owner contact
    Flexible scheduling
    Competitive pricing
    Quick emergency response
    Community reputation matters
    Personalized recommendations

    National Franchise

    One Hour, ARS, etc.

    Knows local building codes
    Same technician each visit
    Direct owner contact
    Flexible scheduling
    Competitive pricing
    Quick emergency response
    Community reputation matters
    Personalized recommendations
    Typical
    Varies by company
    Not typical
    Simple & Transparent

    What to Expect When You Call Us

    No surprises, no pressure. Here's exactly how we work—from first call to job completion.

    Call or Request Quote

    Reach us by phone or submit a quote request. We respond to all inquiries within 1 hour during business hours.

    Immediate
    Step 1

    Schedule Appointment

    We offer same-day appointments for repairs and flexible scheduling for installations. You choose the time that works.

    Same Day Available
    Step 2

    Diagnosis & Upfront Pricing

    Our technician arrives in a marked vehicle, wearing a uniform with ID. We diagnose the issue and provide pricing before any work begins.

    $199 Diagnostic Fee
    Step 3

    Work Completed

    Upon your approval, we complete the work using quality parts with manufacturer warranties. We treat your home with respect—shoe covers, drop cloths, full cleanup.

    Varies by Job
    Step 4

    Permits & Inspections

    For installations, we handle all permit applications and schedule required inspections. You receive copies of all documentation.

    We Handle It
    Step 5

    Follow-Up & Warranty

    We follow up after every job to ensure satisfaction. Your labor warranty begins immediately, and we're here if any issues arise.

    1-2 Year Labor Warranty
    Step 6
    Our Location

    Get Directions to Our Jericho Office

    Conveniently located in the heart of Nassau County to serve all Long Island communities quickly.

    Visit Our Jericho Office

    Showing directions from Jericho, NY

    5.0(52 Google reviews)

    Home+ Air & Heat

    55 Jericho Tpke Suite 203, Jericho, NY 11753

    Service Areas

    HVAC Contractor Services Throughout Nassau County

    Professional service available in your area

    Don't see your area? Contact us to check availability

    Common Questions

    Frequently Asked Questions

    Answers to common questions about hiring HVAC contractors in Nassau County.

    Interactive Tool

    HVAC Contractor Evaluation Checklist

    Use this checklist when interviewing contractors. Check off each item they meet.

    0 of 10 items checked

    0/4 critical items checked

    Critical — Must Have

    Critical

    Verify the contractor holds a valid Home Improvement Contractor license. Check at ny.gov or ask for the license number.

    Critical

    Request certificates of insurance. Liability protects your property; workers' comp protects you from injury claims.

    Critical

    Get all estimates in writing with a detailed breakdown of labor, parts, and warranty terms.

    Critical

    Professional contractors handle permits for installations. Unpermitted work can void warranties and create liability.

    Important — Strongly Recommended

    Important

    NATE (North American Technician Excellence) certification indicates technicians have passed industry-standard exams.

    Important

    Reputable contractors can provide references from recent local jobs similar to yours.

    Important

    Understand what's covered, for how long, and what might void the warranty.

    Important

    For new systems, proper sizing requires Manual J load calculations—not just matching the old system's size.

    Recommended — Nice to Have

    Recommended

    Look for contractors with consistent positive reviews, especially recent ones. Check for patterns in complaints.

    Recommended

    How a contractor communicates before the job often predicts how they'll handle issues after.

    Warning Signs

    Red Flags: When to Walk Away

    If you encounter any of these warning signs, consider finding a different contractor.

    No Written Contract

    Refuses to provide a written contract or estimate before starting work.

    Why it's dangerous: Without documentation, you have no recourse if work is incomplete, prices change, or warranties aren't honored.

    Demands Full Payment Upfront

    Requires 100% payment before any work begins.

    Why it's dangerous: Standard practice is a deposit (typically 10-30%) with the balance due upon completion. Full upfront payment is a major risk.

    Doesn't Pull Permits

    Suggests skipping permits to 'save you money' or 'speed things up.'

    Why it's dangerous: Unpermitted work can void manufacturer warranties, create insurance issues, and cause problems when selling your home.

    Unusually Low Bid

    Price is significantly lower (30%+) than other reputable contractors.

    Why it's dangerous: They may cut corners on equipment quality, skip steps, or plan to charge for 'unexpected' extras later.

    Pressure to Decide Immediately

    Creates urgency with 'today only' pricing or claims they can't hold the quote.

    Why it's dangerous: Legitimate contractors understand you need time to compare options. High-pressure tactics often indicate inflated pricing.

    No Physical Business Address

    Only provides a P.O. box or refuses to share a business address.

    Why it's dangerous: If something goes wrong, you need to know where to find them. Legitimate contractors have verifiable business locations.

    Interview Guide

    8 Questions to Ask Before Hiring

    These questions help you evaluate contractors and identify potential problems before they happen.

    1

    "What is your New York State Home Improvement Contractor license number?"

    Good Answer

    A specific license number they can provide immediately or look up for you.

    Red Flag Answer

    Claims they don't need one, can't provide it, or says 'it's in process.'

    2

    "Can you provide proof of liability insurance and workers' compensation?"

    Good Answer

    Yes, and offers to email certificates directly or have their insurer send verification.

    Red Flag Answer

    Hesitates, says insurance is 'too expensive,' or claims their worker is '1099' so they don't need workers' comp.

    3

    "Will you pull the necessary permits for this work?"

    Good Answer

    Yes, and includes permit fees in the estimate. Explains the inspection process.

    Red Flag Answer

    Suggests permits aren't needed or offers a discount to skip them.

    4

    "How do you determine the right size system for my home?"

    Good Answer

    Describes a Manual J load calculation that considers square footage, insulation, windows, and other factors.

    Red Flag Answer

    Says they'll just match your existing system or estimate based on square footage alone.

    5

    "What warranty do you offer on labor and parts?"

    Good Answer

    Clear explanation of both manufacturer warranty and company labor warranty (typically 1-2 years).

    Red Flag Answer

    Vague answer, only mentions manufacturer warranty, or says 'we don't really do callbacks.'

    6

    "Can you provide references from recent local jobs?"

    Good Answer

    Yes, offers 2-3 references from recent projects in your area.

    Red Flag Answer

    Claims references are 'private,' only has very old references, or all references are out of state.

    7

    "What is your payment schedule?"

    Good Answer

    Reasonable deposit (10-30%) with balance due on completion. May offer financing options.

    Red Flag Answer

    Requires full payment upfront, only accepts cash, or can't explain their payment terms clearly.

    8

    "Who will be performing the work?"

    Good Answer

    Their own employees or clearly identifies subcontractors. All workers are insured.

    Red Flag Answer

    Vague answer, mentions 'day laborers,' or can't confirm workers are covered by insurance.

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