HVAC Contractor in Nassau County, NY
Based in Jericho · Written Options Before Work
Home+ provides heating, cooling, boiler, heat-pump, and indoor-air-quality service. Call for current coverage and scheduling or request a written project estimate.
Why Nassau County Homeowners Consider Home+
Verifiable business facts and written project terms make it easier to compare Home+ with another contractor on the same scope.
Jericho
Business location
5/5
74 Google reviews
24/7
Emergency phone line
Written
Scope and pricing
Project credentials available
Ask the office for the license and insurance documentation applicable to your address and scope.
Written options before authorization
Review the diagnosis, proposed work, price, exclusions, and applicable warranty terms before deciding.
Scheduling confirmed by dispatch
Call for the current appointment window or emergency ETA; timing varies with availability and location.
Current public feedback
Open the verified Google Business Profile to review the current 5/5 rating and 74 customer reviews.
Ready to Discuss the System at Your Home?
Call for current coverage and scheduling, or request an estimate for a repair or installation project.
HVAC Services We Provide
Explore diagnosis-led repair, maintenance, and installation options. Coverage, equipment support, and scheduling are confirmed for your project.
Furnace Repair
Diagnosis-led furnace repair with the current appointment window confirmed by dispatch.
Furnace Installation
Furnace replacement options sized for the home and documented in a written proposal.
AC Repair
AC diagnostics and written repair options; call to confirm support for the equipment at your property.
AC Installation
Central AC proposals based on sizing, ductwork, electrical, access, and permit scope.
Heat Pump Installation
Heat-pump options matched to the home's load, distribution system, and site conditions.
Boiler Repair
Residential steam and hot-water boiler diagnostics with written repair options.
HVAC Maintenance
Basic and premium maintenance scopes with the included work documented before service.
Emergency Service
A 24/7 emergency phone line; dispatch confirms technician availability and the current ETA.
No Heat or No Cooling? Call the 24/7 Emergency Line
Dispatch confirms technician availability and the current ETA for your addressETA confirmed by dispatch
Current Published Service Pricing
Published Home+ diagnostic and maintenance pricing, plus the point where a project-specific written quote is required. Updated August 9, 2026.
| Service | Published Price | Scheduling |
|---|---|---|
| Furnace Repair | $199 diagnostic + approved repair | Dispatch confirmed |
| AC Repair | $199 diagnostic + approved repair | Dispatch confirmed |
| HVAC Tune-Up | $299–$449 | Scheduled |
| Furnace Installation | Written project quote | Scope specific |
| AC Installation | Written project quote | Scope specific |
| Heat Pump Installation | Written project quote | Scope specific |
| Emergency Service | $199 diagnostic + approved repair | ETA confirmed by dispatch |
Written Pricing
Review scope and price before authorization
Aligned Scope
Compare proposals only after inclusions match
Project Estimates
Installation pricing follows an assessment
Published prices and credits are subject to the stated service terms. Repair and installation totals vary with diagnosis, equipment, access, electrical work, ductwork, code, and permit scope.
Nassau County HVAC Conditions to Evaluate
Coastal exposure, varied housing stock, humidity, and local jurisdictions can change the right scope from one property to the next.
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:
What to evaluate:
Inspect the existing equipment, ductwork, electrical capacity, venting, access, and code implications before selecting a replacement.
Salt Air & Coastal Corrosion
South Shore and other exposed properties can place outdoor equipment closer to salt air, wind, and flooding risks than inland sites.
What to evaluate:
Evaluate the property's exposure, elevation, placement, clearances, drainage, and manufacturer-approved coastal protection options.
High Summer Humidity
Long Island's humid summers make equipment sizing, airflow, runtime, drainage, and ventilation important to comfort and moisture control.
Common In:
What to evaluate:
Use a load calculation and inspect the distribution system before choosing capacity, staging, airflow, or dehumidification options.
Heating and Cooling Design Conditions
Nassau County homes need cooling for humid summer conditions and reliable heating capacity for winter design temperatures.
Common In:
What to evaluate:
Compare heating capacity at the project's design temperature, backup strategy, efficiency data, and the home's calculated load.
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.
Common In:
What to evaluate:
Inspect each home's actual layout, additions, insulation, duct routes, mechanical space, and outdoor-unit placement rather than relying on style alone.
Oil-to-Gas/Heat Pump Conversions
Changing from oil can involve equipment, tank, fuel, electrical, chimney, utility, permit, and inspection responsibilities.
What to evaluate:
Put each party's scope, utility prerequisites, filing duties, incentive assumptions, schedule conditions, and closeout responsibilities in writing.
Read Verified Google Reviews
Review the current rating, review volume, dates, and customer feedback directly on the Home+ Google Business Profile.
Current maintained profile data: 5 out of 5 across 74 Google reviews.
Open Google Business ProfileAlign the Scope Before Comparing Price
A lower total can reflect a different system or missing work. Use these categories to compare contractors on the same project.
Equipment and capacity
Sizing and distribution
Electrical, fuel, and condensate
Permits and inspections
Startup and closeout
Warranty and exclusions
Keep it in writing. Include assumptions, exclusions, payment milestones, schedule conditions, and change-order terms.
Verify independently. Check licensing, insurance, credentials, and current reviews with the issuing source.
What to Expect When You Call Us
The exact schedule and responsibilities vary by project; these are the decision points to expect from first contact through closeout.
Call or Request Service
Share the address, system, symptoms, and urgency by phone or through the contact form.
Coverage confirmedSchedule Appointment
Dispatch confirms the available appointment window or emergency ETA for your address.
Current availabilityDiagnosis & Upfront Pricing
The technician evaluates the system and provides the proposed scope and price before approved work begins.
$199 Diagnostic FeeWork Completed
Approved work follows the written scope. Parts, equipment, access, and site conditions determine the completion plan.
Scope specificPermits & Inspections
For installations, the proposal identifies who determines, files, pays for, schedules, and closes each required permit or inspection.
Responsibilities in writingCloseout & Applicable Terms
Review the completed scope and any equipment, registration, maintenance, or workmanship terms included with the project.
Project documentationGet Directions to Our Jericho Office
Home+ is based in Jericho. Use the map for directions, and call dispatch to confirm service coverage and the current appointment window for your address.
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
Ask for the applicable license number and verify its current status through the Nassau County Department of Consumer Affairs.
Request current insurance documentation and confirm what coverage applies to the people and work at your property.
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
Ask who will perform the work and which licenses, manufacturer training, or task-specific credentials apply to that person and scope.
For major work, ask whether references from comparable projects are available and review current public feedback.
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: Before paying, make sure the written contract identifies the deposit, progress payments, final payment, cancellation terms, and the work tied to each payment.
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
A bid is much lower but does not identify the same equipment, labor, permits, controls, startup, and closeout scope as the others.
Why it's dangerous: Price comparisons are unreliable until each proposal covers the same scope and clearly identifies exclusions and change-order terms.
Pressure to Decide Immediately
Creates urgency with 'today only' pricing or claims they can't hold the quote.
Why it's dangerous: A major replacement decision should allow time to review the equipment, scope, payment schedule, warranty, and cancellation terms.
No Physical Business Address
Only provides a P.O. box or refuses to share a business address.
Why it's dangerous: Verify the legal business name, service address, phone number, and license record before signing a contract or sending payment.
8 Questions to Ask Before Hiring
These questions help you evaluate contractors and identify potential problems before they happen.
"Which contractor license applies to this Nassau County project?"
The contractor identifies the applicable Nassau County or local license number so you can verify its current status with the issuing authority.
The business will not identify the legal name or license record that applies to the written contract.
"Can you provide proof of liability insurance and workers' compensation?"
Current documentation identifies the insured business and the coverage applicable to the project.
The legal business name does not match the contract, or coverage cannot be documented.
"Which permits or inspections apply, and who is responsible for each one?"
The written scope identifies who determines, files, pays for, schedules, and closes each required permit or inspection.
The proposal assumes permits are unnecessary without checking the project and local jurisdiction.
"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?"
The proposal separates manufacturer coverage from contractor workmanship terms and lists registration, maintenance, and claim responsibilities.
The proposal uses the word warranty without defining coverage, duration, exclusions, or who handles a claim.
"Can I review current feedback or comparable completed work?"
The contractor points to a current third-party profile and, when appropriate, comparable project references or documentation.
Only undated testimonials controlled by the contractor are available.
"What is your payment schedule?"
The contract identifies the deposit, progress payments, final payment, financing terms if used, and the work tied to each payment.
The payment schedule is missing, changes verbally, or is not tied to the written scope.
"Who will be performing the work?"
The contractor identifies who is responsible for the work, whether subcontractors are involved, and which credentials and insurance apply.
Responsibility for the onsite work and required credentials is unclear.
Nassau County Specialist Contractors
Dedicated contractor pages for each type of system we service in Nassau County.
Heating Contractor
Nassau County, NY
View heating contractor pageAir Conditioning Contractor
Nassau County, NY
View air conditioning contractor pageFurnace Contractor
Nassau County, NY
View furnace contractor pageBoiler Contractor
Nassau County, NY
View boiler contractor pageHeat Pump Contractor
Nassau County, NY
View heat pump contractor pageDuctless Mini-Split Contractor
Nassau County, NY
View ductless mini-split contractor pageSuffolk County Specialist Contractors
Dedicated contractor pages for each type of system we service across Western Suffolk County.
Heating Contractor
Suffolk County, NY
View heating contractor pageAir Conditioning Contractor
Suffolk County, NY
View air conditioning contractor pageFurnace Contractor
Suffolk County, NY
View furnace contractor pageBoiler Contractor
Suffolk County, NY
View boiler contractor pageHeat Pump Contractor
Suffolk County, NY
View heat pump contractor pageDuctless Mini-Split Contractor
Suffolk County, NY
View ductless mini-split contractor page