Heating Repair in Sterling, VA

Fast, Honest Help When Your Heat Is Not Working

When your home or business feels colder than it should, you need reliable help fast. At Zagros Heating & Air Conditioning, we provide heating repair that focuses on restoring comfort, protecting safety, and giving you clear information so you can make confident decisions. Our team works on furnaces, heat pumps, and other heating systems in homes and commercial spaces, and we are based right here in Sterling, VA.

Since 2004, Zagros Heating & Air Conditioning has helped local families and business owners get through winter with dependable heat. We know a breakdown is stressful and often unexpected, so we focus on straightforward communication, fair pricing, and respectful service from the first call through the final check of your system.

We pair that personal approach with strong assurances. We offer free estimates and price comparisons, flexible financing options for qualifying projects, and a 10-year warranty on our services and products. Our goal is to make heating problems less overwhelming, so you can get back to normal as quickly and safely as possible.

Don’t let a broken heater leave you in the cold—call Zagros Heating & Air Conditioning today at (703) 782-3533 or contact us online to schedule fast, reliable heater repair.

Why Homeowners Trust Our Team for Heating Repair

When your heater fails, you are not just choosing a service, you are choosing people you will invite into your home or workplace. Many of our clients choose us because they want a company that values honesty, education, and long-term relationships, not quick sales. As a minority and family-owned business that has been serving this community since 2004, we take that trust seriously.

Integrity guides how we approach every heating repair. Our technicians take time to show you what they find, explain the likely causes in clear language, and walk through your options before any work begins. If a repair makes sense, we say so. If it is time to start considering replacement, we explain why and provide price comparisons so you can weigh the short-term and long-term costs. We strive to make sure you never feel pressured into a decision that does not fit your needs or budget.

Our slogan, “done once, done right,” reflects our focus on quality and attention to detail. We work to solve the root problem, not just the symptom, so your system can run more reliably after the visit. To back that up, we offer a 10-year warranty on our services and products. That warranty gives many of our clients confidence that we will be here to support them long after the initial repair.

We are also proud of our recognition by the Sterling Business Hall of Fame. That honor reflects years of consistent service and support for households and businesses in the Town of Sterling and nearby communities. Combined with same-day appointments when available, free estimates, and financing options, it helps our customers feel comfortable choosing us when they need help quickly.

What To Do When Your Heater Stops Working

A cold house or office can feel urgent, especially if you have young children, older adults, or employees depending on you. While every situation is different, a few simple steps can help you stay safe and may even solve minor issues before a technician arrives.

Check Basic Settings & Power

First, take a quick look at your thermostat. Make sure it is set to “heat,” that the temperature setting is higher than the current room temperature, and that any schedule or “hold” setting is not limiting operation. If the thermostat uses batteries, replacing them is a simple way to rule out a power issue at that control.

Next, check your electrical panel and any switches for the furnace or air handler. A tripped breaker or switched-off power can prevent the system from running at all. If the breaker keeps tripping, do not keep resetting it. That can be a sign of a deeper electrical problem that should be checked by a qualified HVAC technician.

Look At Airflow & Safety Signs

For systems that have accessible filters, make sure the filter is not extremely dirty or clogged. Restricted airflow can cause many heaters to shut down or cycle on and off. If you are unsure how to check or replace the filter safely, our team can review it during your appointment.

Certain signs call for extra caution. If you notice a strong burning smell, hear loud or unusual noises, or suspect a gas or carbon monoxide issue, it is safer to turn the system off and contact a professional. If you ever feel your safety may be at risk, you should leave the area and seek help. When you call us, we can talk through what you are experiencing and help you decide on the best next step.

Our Heating Repair Process, Step by Step

Uncertainty about what will happen during a heating repair visit can add to the stress you already feel. We work to make every step as clear and predictable as possible so you know what to expect before we even arrive.

Scheduling Your Visit

When you contact our office, our team will ask a few questions about your system and what you are noticing. This helps us understand how urgent the situation may be and what type of equipment you have. We then look for the earliest available appointment time, and in many cases we can offer same-day service, especially during colder periods when no-heat calls are a priority.

Diagnosis & Clear Explanations

On the day of your appointment, our technician will arrive during the scheduled window and introduce themselves before getting started. They begin with a visual inspection, then use appropriate testing tools to identify the source of the issue. Throughout the process, they focus on safety, including checking for conditions that could affect combustion, venting, or electrical performance.

Once we understand what is going on, we review our findings with you in plain language. You will see or hear what we found and how that connects to the symptoms you noticed. We then outline your options, which can include repair, short-term fixes, or in some cases talking about replacement if your system is very old or has a history of failures.

Approval, Repair & Follow-Up

Before any work starts, we provide a free estimate that explains parts, labor, and any other expected costs. Our goal is to remove surprises, so we invite questions and make sure you feel comfortable with the plan. If you decide to move forward, we complete the repair, test the system through a full cycle, and confirm that heat is reaching your living or working spaces.

At the end of the visit, we can review maintenance tips that may help improve reliability and efficiency. Because we stand behind our work, we document the repair and apply our warranty coverage according to your specific job. If you have questions later, our office remains available to talk things through.

Common Heating Problems We Fix

Heating issues can show up in many different ways. Some are obvious, like a system that will not turn on at all. Others are more subtle, like certain rooms always feeling colder than the rest of the house. Our technicians are trained to look beyond the surface symptoms so we can find the most likely cause and offer practical solutions.

Comfort & Noise Issues

Many of our service calls involve systems that run constantly but never quite warm the space. This can be related to airflow problems, failing components, or ducts that are not moving air as they should. In other cases, customers report loud bangs, grinding noises, or rattling when the heater starts. Noises like this may come from loose parts, worn motors, or ignition issues that should be addressed promptly.

Short Cycling, Energy Use & System Types

Short cycling, where the heater turns on and off frequently, is another common concern. This pattern can reduce comfort and increase wear on the system. It may be tied to overheating, airflow restrictions, thermostat problems, or other conditions that benefit from a careful inspection. Rising energy bills without a clear change in usage can also indicate that the system is working harder than it should to provide the same level of comfort.

We work on gas furnaces, electric furnaces, heat pumps, and package units commonly installed in homes and commercial spaces throughout this part of Northern Virginia. Whether your system is relatively new or has been running for many years, our team draws on ongoing training and experience with modern HVAC technologies to guide our diagnosis. Even if your concern is unusual or hard to describe, we are ready to take a closer look and help you understand what is happening.

Repair or Replace Your Heater, How We Help You Decide

One of the most important questions many people ask is whether it makes sense to invest in another repair or start planning for a new system. There is no single answer that fits every situation, so we work through this decision with you, using clear factors and real numbers instead of pressure.

How We Evaluate Your System

During our visit, we look at the age of your heater, its overall condition, and how often it has needed service in the past few years. A relatively new system with its first breakdown may be a strong candidate for repair. A unit that is much older and has frequent issues may be reaching the point where replacement becomes more cost-effective over time, especially when you consider energy efficiency.

We discuss the estimated cost of the recommended repair and how that compares to the price of a new system. Our free estimates and ability to provide price comparisons help you see the differences clearly. We also talk about comfort goals, such as more even temperatures or quieter operation, which can be easier to achieve with updated equipment.

Support For Your Decision

If replacement starts to look like a better long-term option, financing can make the investment more manageable. We offer flexible financing choices designed to work with a range of budgets. When you choose to move forward with a new system and installation, our 10-year warranty on services and products becomes an important part of the conversation, since it helps protect that investment over time.

Throughout this process, our role is to educate and advise, not to decide for you. We aim to be clear, honest, and thorough so you have the information you need to choose the path that fits your situation best.

Local Heating Service for Sterling Homes & Businesses

Living and working in Northern Virginia means relying on your heating system during cold months. A sudden loss of heat can disrupt daily routines, impact work, and create real discomfort. Because our company is based in Sterling, we understand how important dependable heating is in this community and how quickly temperatures can drop in winter.

Since 2004, Zagros Heating & Air Conditioning has served households and commercial properties in Sterling and nearby neighborhoods. Over those years, we have worked in a wide range of building types, from single-family homes and townhouses to small offices and retail spaces. That local experience helps our technicians anticipate common system layouts and access points, which can support efficient diagnosis and repairs.

Our recognition by the Sterling Business Hall of Fame reflects a long-standing commitment to quality service in this area. Many of our customers find comfort in knowing they are working with a team that has deep roots here and a clear stake in maintaining a strong reputation. When you call us, you are reaching neighbors who are invested in keeping homes and workplaces comfortable throughout the season.

Experiencing heating issues? Get prompt, professional heater repair from Zagros Heating & Air Conditioning—call (703) 782-3533 or reach out online to restore your comfort.

Frequently Asked Questions

How fast can your team get my heat working again?

We work to respond as quickly as possible, especially when there is little or no heat. Actual timing depends on factors such as the time of day, current demand during the season, and your location in relation to our schedule. Often, we can offer same-day appointments for urgent heating issues, particularly during colder weather. Once our technician is on site, many common problems can be diagnosed and addressed in a single visit, provided that needed parts are available. We will always explain the expected timeline for your specific situation so you know what to expect.

How much will heating repair cost and do you offer financing?

The cost of a heating repair depends on what we find during the diagnosis, since different problems require different parts and labor. We provide free estimates after we inspect your system, and we review those estimates with you before any work begins so you can make an informed choice. There are no hidden fees added after the fact, and we are glad to answer questions about the pricing. For larger repairs or when replacement becomes the better option, we offer flexible financing options that can make the expense easier to manage. Our goal is to help you restore comfort while keeping costs as clear and predictable as possible.

Will you tell me if it is better to repair or replace my heater?

Yes, part of our job is to help you understand when repair is sensible and when replacement may be worth considering. We look at the age and condition of your current system, how often it has needed service, and the cost of the proposed repair. We then compare that information with the price and benefits of a new system so you can see the trade-offs clearly. Our focus on integrity and education means we explain our reasoning and support whichever option you decide is right for you. We do not rely on pressure, we rely on clear information and honest recommendations.

What kinds of heating systems do your technicians work on?

Our technicians service a variety of heating systems commonly installed in homes and commercial spaces in this area. These include gas furnaces, electric furnaces, heat pumps, and packaged units that provide both heating and cooling. Because our team stays current on the latest HVAC technologies through ongoing education, we can work on many modern systems as well as older equipment that is still in service. If you are unsure what type of system you have, we can help identify it when you contact us or during the visit. The key point is that you do not need to diagnose the problem yourself before reaching out.

Is it safe to run my heater if it is making strange noises or smells?

Strange noises or smells are signals that something may not be working correctly, so caution is wise. A brief, mild burning smell at the first use of the season can be normal as dust burns off, but strong or persistent odors should be checked. Loud bangs, grinding, or metallic scraping are also signs that running the system could cause further damage. If you suspect a gas leak or carbon monoxide issue, you should shut the system off, leave the area, and seek help right away. When you contact our team, we can help you decide whether it is safer to turn the system off and schedule a visit as soon as possible.

What kind of warranty do you offer on heating repairs?

We support our work with a 10-year warranty on our services and products. This warranty reflects our confidence in the quality of the materials we use and the care we take during installation and repair. Specific terms can vary based on the type of work performed and the equipment involved, so we explain how the warranty applies to your job during the estimate and after the work is completed. Having this level of coverage helps many customers feel more comfortable approving repairs or replacements, because they know we continue to stand behind our work. If you have questions about warranty details, our team is happy to walk through them with you.

Do you repair heating systems for businesses as well as homes?

Yes, we service both residential and commercial heating systems. Our team works with homeowners, property managers, and business owners who need reliable heat in spaces such as offices, small retail locations, and other light commercial properties. We understand that a loss of heat in a business can affect employees, customers, and operations, so we work with you to schedule service times that fit your needs as much as possible. During the visit, we apply the same focus on safety, efficiency, and clear communication that we bring to our residential clients. Whether you are responsible for a home or a workplace, you can expect a consistent level of care.

Schedule Your Heating Repair Today

When your heater is not keeping up or has stopped working entirely, you do not have to face the problem alone. Zagros Heating & Air Conditioning is ready to help you restore comfort with clear communication, honest recommendations, and careful workmanship. From the first call, we walk you through what to expect, provide a free estimate after diagnosis, and help you choose the option that fits your situation.

As a family-owned company serving Sterling since 2004, we bring long-term local experience, a 10-year warranty on our services and products, and financing options that can ease the strain of an unexpected repair. Our team strives to live up to our “done once, done right” philosophy on every visit so you feel confident inviting us back whenever you need help.

To schedule your heating repair or ask a question about your system, call (703) 782-3533 today.