NS Heating And Cooling
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NS Heating And Cooling
(703) 599-7974
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Trusted HVAC Company - NS Heating and Cooling

When your heating or cooling system fails, you don’t want a sales pitch, you want a reliable HVAC company that shows up, diagnoses the issue honestly, and fixes it right the first time. In the heart of the Mid-Atlantic, where summers are sweltering and winters are biting, your HVAC system isn’t just a luxury; it’s a necessity for your family’s health and safety.
That’s exactly what NS Heating and Cooling has been doing since 2003.

We are a fully licensed, bonded, and certified HVAC company serving homeowners and businesses across Northern Virginia, Maryland, and Washington DC. We understand the local climate, the local architecture, and the specific needs of our community. Whether you are dealing with a frozen AC coil in July or a cracked heat exchanger in January, our team is equipped with the tools and the talent to restore your comfort.

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HVAC Installation

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HVAC Replacement

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HVAC Repair

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Preventive Maintenance

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Residential and Commercial Heating & Cooling Services

With over two decades of hands-on experience, our mission is simple: Deliver comfort, reliability, and peace of mind to every customer we serve.

About NS Heating and Cooling

NS Heating and Cooling is a locally owned and operated HVAC company. We aren’t a massive, faceless franchise; we are your neighbors. Our reputation is built on the word-of-mouth recommendations of thousands of satisfied clients in the DMV area.
We operate out of two convenient locations to ensure rapid response times across the region:
  • Springfield Office: 7830 Backlick Rd, Springfield, VA 22150
  • Lorton Office: 8924 Telegraph Rd, Lorton, VA 22079
We’ve built our reputation by focusing on real service, not shortcuts. In an industry often plagued by high-pressure sales tactics, we stand apart by offering:
  • No pressure: We provide the facts and let you make the decision.
  • No hidden fees: The price we quote is the price you pay.
  • No unnecessary replacements: If it can be fixed reliably, we fix it. We only recommend replacement when it is truly in your best financial interest.
Just honest HVAC work from technicians who care about your home and comfort.

Contact Us Today:

(703) 599 7974
info@nshvac.com

Complete HVAC Services We Provide

We offer end-to-end heating and cooling services, so you never need to call multiple companies. From the initial load calculation for a new build to the emergency repair of a 20-year-old furnace, we handle the entire lifecycle of your HVAC system.

HVAC Installation

Professional installation is the most important day in the life of your HVAC system. A poor installation can reduce efficiency by 30% and lead to premature failure. Our team ensures your new system is sized perfectly for your square footage and insulation levels.

Our Installation Process Includes:
  • Load Calculation: We use industry-standard protocols to ensure your unit isn't too small (won't keep up) or too large (will short-cycle and break).
  • Duct Inspection: We check for leaks or blockages that could undermine your new system.
  • Energy Efficiency Setup: We optimize settings to ensure you get the highest possible SEER2 ratings.
  • System Optimization: Testing airflow and refrigerant levels to perfection.
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HVAC Replacement

Is your current system becoming a “money pit”? If you find yourself calling for repairs every few months, it might be time for a change. Modern systems are significantly more efficient than those built just a decade ago, often paying for themselves in energy savings over time.
Consider replacement if your system is:
  • Over 10–12 years old: Most units begin to decline in efficiency and reliability after a decade.
  • Breaking down frequently: If repair costs exceed 50% of the value of a new system, replace it.
  • Causing high energy bills: Sudden spikes in utility costs often signal a failing compressor or motor.
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Air Conditioner Replacement & Repair

In the DMV, humidity is just as much of a challenge as the heat. A high-performing AC system must dehumidify as effectively as it cools. Our technicians are experts in both modern inverter technology and traditional central air units.
We handle:
  • Central AC systems
  • Ductless Mini-Split systems
  • High-efficiency cooling units
  • Repairs for: Refrigerant leaks, frozen coils, fan motor failures, and compressor issues.
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Furnace Replacement & Repair

When the temperature drops below freezing, a functional furnace is a matter of safety. We specialize in gas and electric heating systems, ensuring they operate cleanly and without the risk of carbon monoxide leaks.
Our Heating Services Include:
  • Gas Furnace Replacement: Upgrading to high-AFUE rated models.
  • Electric Furnace Service: Ensuring heating elements and sequencers are functioning.
  • Heat Exchanger Inspections: Critical for preventing dangerous exhaust leaks.
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Heat Pump Services

Heat pumps are the future of home comfort in Virginia and Maryland. Because our winters are generally moderate, heat pumps provide an incredibly energy-efficient way to heat and cool your home using electricity rather than combustible fuel.
We specialize in:
  • Heat pump installation and retrofitting.
  • Emergency repairs for reversing valves and defrost boards.
  • Annual maintenance to ensure year-round performance.
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HVAC Repair (All Brands)

HVAC emergencies don’t happen on a schedule. Whether it’s a holiday weekend or the middle of the night, our diagnostic experts are ready to troubleshoot and fix your system.
Common issues we solve daily:
  • No Cooling/No Heating: Diagnosing electrical or mechanical failures.
  • Airflow Issues: Solving problems with blowers, filters, or ductwork.
  • Thermostat Problems: Calibrating or replacing smart and traditional thermostats.
  • Strange Noises: Fixing grinding, squealing, or banging sounds before they cause total failure.
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Preventive HVAC Maintenance

The best repair is the one that never has to happen. Our preventive maintenance plans are designed to catch small issues before they become expensive disasters.
Our Maintenance Checklist Includes:
  • Seasonal multi-point inspections.
  • Cleaning of indoor and outdoor coils.
  • Condensate drain cleaning to prevent water damage.
  • Testing of capacitors and electrical connections.
  • Performance testing to ensure maximum efficiency.
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Commercial HVAC Services

Commercial systems carry a much higher load than residential ones. We understand that for a business, a broken HVAC system means lost revenue and uncomfortable employees.
We provide specialized services for:
  • Rooftop Units (RTUs): Expert service for package units.
  • Commercial AC/Heating: Systems designed for high-occupancy spaces.
  • Emergency Repairs: Fast response to keep your business running.
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Brands We Install & Service

At NS Heating and Cooling, we believe in using hardware that matches our standard of service. We focus on brands known for durability, parts availability, and excellent warranties.

Goodman

Known for being one of the most reliable and affordable brands in the industry, offering some of the best warranties available.

Rheem

A leader in high-efficiency heating and cooling with innovative features that lower utility costs.

Trane

Premium systems known for durability and advanced climate control.

Carrier

One of the original HVAC manufacturers with high-end efficiency models.

Lennox

Energy-efficient systems with advanced air quality features.

Areas We Serve

We are proud to serve a wide geographic footprint, ensuring that high-quality HVAC service is never more than a phone call away for residents of the tri-state area.

  • Northern Virginia
  • Maryland
  • Washington DC

Why Choose NS Heating and Cooling?

When you choose an HVAC company, you are inviting someone into your home or business. We take that trust seriously. Here is why NS Heating and Cooling stands out in a crowded market:

1. Family-Owned & Local

We are not a massive corporation managed from a skyscraper in another state. We are a family-run business. When you call us, you are supporting local jobs and a company that gives back to the VA/MD/DC community. Our reputation is our most valuable asset.

2. Same-Day & Emergency Service

An HVAC failure in 95-degree weather isn't just an inconvenience; it can be a health hazard, especially for the elderly or children. We prioritize emergency calls and offer same-day service to get your climate control back online as fast as possible.

3. Honest Pricing

We believe in transparency. Before we turn a single wrench, you will receive a clear explanation of the costs. We don't use "flat-rate" pricing that hides massive markups, and we never use scare tactics to sell you something you don't need.

4. Free Estimates

Replacing an HVAC system is a significant investment. We offer free, no-obligation estimates for system replacements. We will walk you through various options from budget-friendly units to top-of-the-line high-efficiency systems so you can choose what fits your lifestyle.

5. Warranty & Guarantee

We stand behind our work. Every installation we perform comes with a robust manufacturer warranty on parts and our own labor guarantee. If it's not right, we will make it right.

Our HVAC Process

We believe a smooth process leads to a better customer experience. Here is what happens when you work with us:

HVAC Replacement Sterling VA

Step 1 – Schedule Service:

You call us or submit an online form. Our friendly dispatchers will find a time that fits your schedule.

Step 2 – Professional Diagnosis:

A certified technician arrives in a fully stocked van. They perform a comprehensive inspection to find the root cause of the issue.

Step 3 – Clear Explanation:

We show you exactly what is wrong. If a part is broken, we show it to you. We explain why it failed and how to prevent it in the future.

Step 4 – Transparent Pricing:

We provide a quote for the repair or replacement. You approve the work before we begin—no surprises.

Step 5 – Expert Repair or Installation:

Our technicians work efficiently and cleanly. We use drop cloths to protect your floors and always clean up our workspace before we leave.

Financing Options Available

We understand that an unexpected HVAC failure can be a financial burden. You shouldn’t have to choose between your budget and your comfort. To help make your home improvements more manageable, we offer:

  • Monthly Payment Plans: Low monthly payments to fit your budget.
  • Flexible Financing: Options for various credit scores.
  • Deferred Interest: Ask about our current promotional offers for new installations.

Don’t let the cost of a new system stress you out. Ask us about financing during your free estimate.

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Real Customer Experience

Don’t just take our word for it. We have spent over 20 years building a legacy of excellence in the DMV area.


NS Heating and Cooling replaced our AC system during the hottest week of July. They were professional, on time, and the price was exactly what they quoted. Highly recommended!"
— Sarah M., Alexandria, VA

"Best HVAC company in Northern Virginia. They fixed what two others couldn’t. The technician was honest and didn't try to sell me a new furnace when a simple sensor replacement was all I needed."
— David R., Silver Spring, MD

"Fair pricing and excellent service. They are the only ones I trust with my commercial rooftop units."
— Jason T., Washington DC

Residential & Commercial Customers

Our versatility is one of our greatest strengths. We have the manpower and equipment to handle projects of all sizes.

  • Homeowners:
    From small condos to large estates, we provide personalized service for your family's home.
  • Property Managers:
    We offer reliable, fast-response service for rental properties to keep your tenants happy.
  • Offices & Retail:
    We ensure your employees and customers remain in a comfortable environment, maximizing productivity and foot traffic.
  • Commercial Buildings:
    Specialized maintenance and repair for complex multi-unit systems.

Frequently Asked Questions (FAQs)

The cost of a replacement depends on several factors, including the size of your home (tonnage), the efficiency rating (SEER2), the brand you choose, and whether your existing ductwork needs modification. Because every home is unique, we provide free on-site estimates to give you an accurate price.

In most cases, a standard residential HVAC replacement can be completed in one day. More complex systems or those requiring extensive ductwork repair may take two days. We always strive to minimize the “down-time” for your home.

Yes! We provide 24/7 emergency HVAC service. We know that furnaces and ACs don’t always wait for business hours to fail. If you have a total system failure in extreme weather, call us immediately.

Absolutely. While some companies refuse to work on older units to force you into a replacement, we have extensive experience with legacy and discontinued models. If we can find the parts and the repair is safe, we will fix it.

For standard 1-inch filters, we recommend changing them every 30 to 90 days. If you have pets or allergies, you may need to change them more frequently. Regular filter changes are the easiest way to prevent system strain and high energy bills.

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Ready to Restore Your Comfort?

If you’re looking for a trusted HVAC company in Northern Virginia, Maryland, or Washington DC, your search ends here. With over 20 years of experience, a commitment to honest pricing, and a team of dedicated professionals, NS Heating and Cooling is ready to serve you.

Don’t suffer in an uncomfortable home.

Schedule your free HVAC estimate today and experience the difference of working with a company that actually cares about your comfort.

Schedule Your Service Today