
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.
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.
Furnace Repair
Fast diagnosis and repair for all furnace brands. Same-day service available.
Furnace Installation
Expert installation of high-efficiency furnaces with manufacturer warranties.
AC Repair
Comprehensive AC diagnostics and repairs. All makes and models serviced.
AC Installation
Professional central air installation with proper sizing and ductwork.
Heat Pump Installation
Energy-efficient heat pump systems for year-round heating and cooling.
Boiler Repair
Expert boiler diagnostics and repair for residential systems.
HVAC Maintenance
Annual tune-ups to prevent breakdowns and improve efficiency.
Emergency Service
24/7 emergency heating and cooling repair with 2-4 hour response.
No Heat? No AC? We're Here 24/7
Average Response Time: Under 2 Hours in Nassau CountyResponse: Under 2 Hours
What Nassau County Homeowners Actually Pay
Real pricing from our local service area. Updated January 2026.
| Service | Typical Cost | Timeframe |
|---|---|---|
| Furnace Repair | $199 diagnostic + repairs | Same-day |
| AC Repair | $199 diagnostic + repairs | Same-day |
| HVAC Tune-Up | $299-$449 | Scheduled |
| Furnace Installation | $4,800 - $9,500 | 1-2 days |
| AC Installation | $5,200 - $12,000 | 1-2 days |
| Heat Pump Installation | $7,500 - $15,000 | 1-2 days |
| Duct Cleaning | $595 | Scheduled |
| Emergency Service | $199 + repairs | 2-4 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.
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.
Common In:
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.
Common In:
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.
Common In:
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.
What Nassau County Homeowners Say
Real feedback from your neighbors who've trusted us with their home comfort.
"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!"
"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."
"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."
"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."
"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."
"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."
"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."
"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."
5 out of 5 stars based on 52 reviews
Verified on Google Business Profile
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
Large Regional
Multi-location companies
National Franchise
One Hour, ARS, etc.
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.
ImmediateSchedule Appointment
We offer same-day appointments for repairs and flexible scheduling for installations. You choose the time that works.
Same Day AvailableDiagnosis & 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 FeeWork 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 JobPermits & Inspections
For installations, we handle all permit applications and schedule required inspections. You receive copies of all documentation.
We Handle ItFollow-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 WarrantyGet 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
Home+ Air & Heat
55 Jericho Tpke Suite 203, Jericho, NY 11753
HVAC Contractor Services Throughout Nassau County
Professional service available in your area
Don't see your area? Contact us to check availability
Frequently Asked Questions
Answers to common questions about hiring HVAC contractors in Nassau County.
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
Verify the contractor holds a valid Home Improvement Contractor license. Check at ny.gov or ask for the license number.
Request certificates of insurance. Liability protects your property; workers' comp protects you from injury claims.
Get all estimates in writing with a detailed breakdown of labor, parts, and warranty terms.
Professional contractors handle permits for installations. Unpermitted work can void warranties and create liability.
Important — Strongly Recommended
NATE (North American Technician Excellence) certification indicates technicians have passed industry-standard exams.
Reputable contractors can provide references from recent local jobs similar to yours.
Understand what's covered, for how long, and what might void the warranty.
For new systems, proper sizing requires Manual J load calculations—not just matching the old system's size.
Recommended — Nice to Have
Look for contractors with consistent positive reviews, especially recent ones. Check for patterns in complaints.
How a contractor communicates before the job often predicts how they'll handle issues after.
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.
8 Questions to Ask Before Hiring
These questions help you evaluate contractors and identify potential problems before they happen.
"What is your New York State Home Improvement Contractor license number?"
A specific license number they can provide immediately or look up for you.
Claims they don't need one, can't provide it, or says 'it's in process.'
"Can you provide proof of liability insurance and workers' compensation?"
Yes, and offers to email certificates directly or have their insurer send verification.
Hesitates, says insurance is 'too expensive,' or claims their worker is '1099' so they don't need workers' comp.
"Will you pull the necessary permits for this work?"
Yes, and includes permit fees in the estimate. Explains the inspection process.
Suggests permits aren't needed or offers a discount to skip them.
"How do you determine the right size system for my home?"
Describes a Manual J load calculation that considers square footage, insulation, windows, and other factors.
Says they'll just match your existing system or estimate based on square footage alone.
"What warranty do you offer on labor and parts?"
Clear explanation of both manufacturer warranty and company labor warranty (typically 1-2 years).
Vague answer, only mentions manufacturer warranty, or says 'we don't really do callbacks.'
"Can you provide references from recent local jobs?"
Yes, offers 2-3 references from recent projects in your area.
Claims references are 'private,' only has very old references, or all references are out of state.
"What is your payment schedule?"
Reasonable deposit (10-30%) with balance due on completion. May offer financing options.
Requires full payment upfront, only accepts cash, or can't explain their payment terms clearly.
"Who will be performing the work?"
Their own employees or clearly identifies subcontractors. All workers are insured.
Vague answer, mentions 'day laborers,' or can't confirm workers are covered by insurance.


