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Boiler Furnace Service

Professional Boiler & Furnace Services
in Northern Virginia

We understand the importance of a well-functioning boiler and furnace system in your Northern Virginia home. A boiler is a vital component of your heating system that provides warmth and comfort to your living space.

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Testimonials

Hear From Northern Virginia Homeowners

“Leonard Splaine installed my Generac quickly and explained everything clearly. Now I feel confident knowing my family won’t be left in the dark during storms.” 
– Local homeowner –

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Why Choose Us

Why Choose Leonard Splaine

For over 65 years, Northern Virginia homeowners have trusted Leonard Splaine for their heating and cooling needs.

Local & Family-Owned

Serving Northern Virginia homes since 1956.

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Licensed & Certified

Fully insured and experienced across Generac and all major brands.

Flexible Financing

Affordable payment plans and rebate assistance to fit any budget.

Professional Installation

Fast, code-compliant work with minimal disruption to your home.

Guaranteed Satisfaction

Backed by our 100% commitment to quality and customer care.

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Why It Matters

Signs Your Boiler Needs Repair

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Boilers, like any mechanical system, can develop issues over time. Here are some common signs that your boiler may require repair:

Strange Noises

Unusual banging, whistling, or gurgling sounds from your boiler can indicate underlying problems.

Inefficient Heating

If your home isn’t warming up as it should, or some rooms are colder than others, your boiler might not be operating optimally.

Frequent Breakdowns

Frequent breakdowns or the need for constant adjustments can be a sign of a boiler in need of repair.

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Our Boiler Services

Everything You Need Under One Roof

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Diagnostics & Repair

We pinpoint issues fast and get your boiler back up and running.

Installation & Replacement

System boilers, also known as sealed system boilers, work with a sealed hot water cylinder. They are suitable for homes with multiple bathrooms and high hot water demand. System boilers are known for their efficient and convenient operation.

Safety Checks & Maintenance

Annual tune‑ups prevent breakdowns and keep your system efficient.

Water Quality & CO Testing

Hard water, poor ventilation or dangerous leaks? We’ve got the tools to fix it. Whether it’s a minor hiccup or a full system overhaul, we’ve got you covered.

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Signs Your Boiler Needs Repair

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Boilers, like any mechanical system, can develop issues over time. Here are some common signs that your boiler may require repair:

  • Strange Noises
    Unusual banging, whistling, or gurgling sounds from your boiler can indicate underlying problems.
  • Inefficient Heating
    If your home isn’t warming up as it should, or some rooms are colder than others, your boiler might not be operating optimally.
  • Frequent Breakdowns
    Frequent breakdowns or the need for constant adjustments can be a sign of a boiler in need of repair.
  • Increased Energy Bills
    A sudden spike in your energy bills without changes in usage could indicate boiler inefficiency.
  • Leaks or Drips
    Visible water leaks around the boiler or pressure loss issues need immediate attention.
  • Yellow or Orange Pilot Light
    The pilot light should be blue. A different color could indicate a carbon monoxide issue.
How Much Does a Boiler Repair Cost?

The cost of boiler repair can vary depending on several factors, including the type and age of the boiler, the extent of the damage or malfunction, and your location.

It’s essential to have your boiler regularly serviced to prevent costly breakdowns and maintain its efficiency. At Leonard Splaine, our team of experienced professionals specializes in boiler repair, maintenance, and installation. We are committed to ensuring your home stays warm and comfortable all year round.

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Types of Boiler Repair

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Boilers can require various types of repairs to ensure they operate efficiently and safely. Here are some common types of boiler repairs:

Safety & Efficiency

This type encompasses essential boiler repairs that focus on ensuring the safety and efficiency of the heating system. It includes leak repairs, pressure issues, ignition and pilot light repairs, heat exchanger repair, circulator pump repair, expansion tank repairs, and safety valve replacement. These repairs are crucial for maintaining the boiler’s safety, preventing water damage, and optimizing its performance.

This type encompasses essential boiler repairs that focus on ensuring the safety and efficiency of the heating system. It includes leak repairs, pressure issues, ignition and pilot light repairs, heat exchanger repair, circulator pump repair, expansion tank repairs, and safety valve replacement. These repairs are crucial for maintaining the boiler’s safety, preventing water damage, and optimizing its performance.

This deals with overall system integrity and functionality. It involves pipe and radiator repairs, ventilation and flue repairs, cleaning and maintenance, and gas or oil supply issues. Ensuring that pipes, radiators, and the fuel supply system are in good condition prevents heat loss and malfunctions while cleaning and maintenance keeps the entire system running smoothly. Ventilation and flue repairs are vital for safe operation and preventing carbon monoxide leaks.

It’s important to note that boiler repairs should be carried out by qualified professionals to ensure safety and effectiveness. Regular maintenance and addressing repair needs promptly can extend the lifespan of your boiler and keep it operating at peak efficiency.

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Types of Boiler Repair

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There are several types of boilers used for various purposes, each with its own characteristics and applications. Here are some common types of boilers:

Combi Boilers (Combination Boilers)

Combi boilers are a popular choice for residential heating systems. They combine a high-efficiency water heater and a central heating boiler into a single unit. They provide on-demand hot water and space heating in one compact device.

System boilers, also known as sealed system boilers, work with a sealed hot water cylinder. They are suitable for homes with multiple bathrooms and high hot water demand. System boilers are known for their efficient and convenient operation.

Regular boilers, also called conventional or traditional boilers, consist of three main components: a boiler, a hot water cylinder, and a cold water storage tank. They are suitable for older homes with existing heating and hot water systems.

Heat-only boilers are similar to regular boilers but lack a built-in pump or expansion vessel. They are often used in conjunction with a separate hot water cylinder and are suitable for properties with specific heating requirements.

Electric boilers use electricity to heat water, making them suitable for homes without a gas supply. They are often used for specific applications or as backup heating systems.

Oil-fired boilers use heating oil to generate hot water or steam for heating. They are common in areas without access to natural gas and are known for their reliability and efficiency.

Gas boilers are powered by natural gas or propane. They are a popular choice for heating in many regions due to their efficiency and cost-effectiveness. There are different types of gas boilers, including combi boilers and system boilers.

Solid fuel boilers use solid materials like coal, wood, or peat as fuel. They are less common today but are still used in certain situations where alternative fuels are unavailable or preferred.

Steam boilers are used in industrial applications to generate high-pressure steam for various processes. They are commonly found in power plants, manufacturing facilities, and large-scale heating systems.

Hot water boilers, also known as hydronic boilers, heat water to distribute it to radiators, underfloor heating systems, or for domestic hot water supply. They are commonly used in residential and commercial buildings.

Condensing boilers are designed to maximize energy efficiency by recovering heat from the exhaust gasses. They are often used in modern heating systems to reduce energy consumption.

Each type of boiler has its own advantages and limitations, and the choice of boiler depends on factors such as the specific heating requirements, available fuels, and the intended application, whether it’s for residential, commercial, or industrial use.

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Boiler Maintenance

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Proper boiler maintenance is crucial to ensure the longevity, efficiency, and safety of your heating system. Regular inspections by a qualified technician are paramount, with annual check-ups being the industry standard.

These inspections identify and address potential issues before they become significant problems. They include cleaning the unit, checking for leaks, monitoring pressure, testing safety features, inspecting the flue system, and examining for signs of corrosion.

Additionally, routine servicing ensures that all components are in good working order. Proper lubrication, filter replacement, and water treatment in hard water areas are essential. Weatherproofing external pipes and insulating them in cold climates prevent freezing issues.

Regular monitoring of water quality and carbon monoxide detection is also advised. In case of noticeable problems like unusual noises or odors, or if performance becomes erratic, professional repairs should be sought immediately.

This comprehensive approach to boiler maintenance not only enhances the boiler’s efficiency and lifespan but also ensures the safety and comfort of your home or property.

What Does A Boiler Maintenance Include?

Boiler maintenance includes a comprehensive set of tasks such as visual inspections, cleaning of internal and external components, safety checks, flue system inspections, monitoring and adjusting boiler pressure, assessing efficiency, lubricating mechanical parts, maintaining water quality, replacing filters, testing safety devices, and scheduling professional annual servicing. This multi-faceted approach ensures that the boiler operates efficiently, safely, and with an extended lifespan, while also minimizing the risk of breakdowns and reducing energy consumption. Proper documentation of maintenance activities is also important for tracking the boiler’s condition over time.

At Leonard Splaine, we offer top-notch boiler installation and replacement services that guarantee warmth, efficiency, and peace of mind. Whether you’re upgrading to a more energy-efficient model or need a new boiler for your home or business, our experienced technicians are ready to provide expert guidance and professional installation. We understand the importance of a reliable heating system, and we’re committed to ensuring your comfort. Don’t compromise on quality and safety – choose Leonard Splaine for all your boiler installation and replacement needs. Contact us today for a consultation and let us keep your space cozy and warm with our superior services. Your comfort is our priority.

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Signs Your Furnace Needs Repair

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For a furnace to work properly, motors, sensors, igniters, gas valves, fans, flame rectification systems, controls, and bearings must all be in good condition. If one of these components is faulty, it can result in the entire system malfunctioning. This is why regular maintenance is so important.

A furnace is a complex machine composed of many components which must all work together in order for it to operate correctly. If one part is not functioning properly, the entire system can cease to function.

Possible causes for a furnace to shut down prematurely include a faulty flame sensor, which can prevent the gas valve from being activated, as well as a clogged flue pipe/exhaust vent. If dirt and debris accumulate and block the flue pipe, it can lead to overheating of the furnace, resulting in a safety mechanism kicking in and shutting it down.

Signs are usually indications or warnings that something is about to happen. Before you find yourself suddenly stuck in a cold house during winter, keep an eye out for the following warning signs your furnace needs repair.

  • Abnormal furnace smells
  • Persistent and disconcerting noises
  • Poor air quality
  • Short cycling
  • A tripped carbon-monoxide detector
  • A discolored pilot light
  • Inadequate heat/airflow
  • It won’t turn on or off

We’ll look at each of these signs in more detail below:

Odd Smell Coming from Furnace

The subtle odor of fuel is not necessarily a concern, because Furnaces can smell like the fuel that they use, especially when they are turned on for the first time in a year. However, if there is a strong smell of fuel, an unexpected smell, or one that doesn’t dissipate, then it could be an indication of a gas leak or dust buildup in the unit. Our HVAC experts can inspect the system to identify the source of the smell.

The functioning of furnaces usually creates some noise, however, if you hear any noise that is out of the ordinary, persistent and disturbing, it may be an indication that there is an issue. Our HVAC experts are familiar with the connection between certain furnace issues and the sounds they make, so if you hear something strange coming from your furnace, it’s best to get in touch with us.

Some of the likely sounds you could hear from your furnace and their possible causes are:

  • Squealing noises often result from belt or fan issues
  • Banging or groaning noises can be caused by loose internal parts
  • Scraping noises usually mean warped fan blades and/or a broken motor
  • Thumping noises might indicate an imbalanced blower wheel
  • Unusually loud or prolonged rumbling may arise from a faulty gas valve
  • Rattling noises could mean the metal housing fasteners are loose
  • Clanking noises often occur when debris gets stuck in a compressor or fan
  • Popping noises often result from ductwork sheet metal reacting to air pressure variations
  • Hissing noises may be air escaping from a loose air filter, a partially obstructed vent, or leaky ductwork
  • Whistling noises may signal a refrigerant leak in the condenser

Maintaining a clean and well-kept furnace system can have a significant effect on the quality of indoor air. If a furnace is neglected or not cleaned properly, allergens, bacteria and other particle-containing air can be spread through the heated air, leading to illnesses, respiratory issues and allergic reactions such as itchy eyes, watery eyes and headaches. Fortunately, many air quality issues can be remedied through simple steps such as changing the air filter, cleaning the ductwork, and dusting the unit.

As a furnace gets older, you could have more difficulty starting and maintaining the appliance. You probably need a repair if you have to restart your furnace or try to start the appliance several times during the day.

Thermostat damage or disconnected wiring are common causes of these functioning problems. The problem should be resolved by replacing the damaged component.

A tell-tale sign that your furnace is in need of repairs is if it is not adequately heating your home. If you notice that no heat or only low levels of heat are coming through despite the thermostat being set, it’s time to schedule repairs. Possible causes are leaks in the ductwork that allow the treated air to escape and a malfunctioning thermostat that does not correctly transmit the necessary signals to the furnace.

Pay close attention to the hue of your pilot light. Generally, if the flame is blue, it is in good condition. However, if the light changes to yellow, it may be a sign of a venting issue. This could be dangerous as the emission of carbon monoxide may be impeded and can lead to health risks for you and your family, as well as increasing the chances of combustion.

Your furnace is equipped with a carbon-monoxide detector that is meant to signal you if poisonous gases are present. If the alarm is triggered, immediately switch off the furnace and open the windows to provide ventilation for your residence. It is advised to consult the gas campany and an HVAC worker to identify the origin of the gas. Do not postpone if you spot any of the indications mentioned above, schedule an assessment and the necessary repairs as soon as possible.

If you’re finding yourself paying higher electricity bills than usual, it may be due to an inefficient furnace that’s working overtime in order to provide adequate warmth. If you notice your heating system is running constantly, contact us. We can help you lower your energy expenses by replacing your existing unit with a more energy-efficient option, such as a heat pump or ductless system.

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How Much Does a Furnace Repair Cost?

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Furnace repairs can be daunting, especially if you don’t know what to expect. There are many factors to account for when estimating furnace repair costs, including:

  • Type of repair needed
  • Type of furnace you own
  • Type and validity of warranty
  • Age of furnace
  • Contractor you hire
 

We’ll break down the details of each of these cost factors to help you better determine how much your furnace repair may cost you.

Type of repair

Due to the variety of components that furnaces contain, it is hard to estimate the cost of a repair until a certified technician can assess the issue. For instance, if the furnace doesn’t begin when you turn it on, any of the numerous components could be the reason for this malfunction.

  • A broken thermostat
  • A dirty air filter
  • A dirty flame sensor
  • A faulty gas valve
  • And much more…

For every issue with your furnace, there is an associated cost. It is difficult to determine an accurate price for the repair without first examining the furnace. Therefore, be cautious if a HVAC company offers to give a price quote over the phone without examining your furnace.

Gas furnaces are typically more expensive to fix than electric furnaces due to their intricate internal components.

These components are generally more complex than those in electric furnaces and require more time and effort to repair.

As the illustration of a gas furnace earlier in this article showed, a gas furnace is a complex system with quite a number of components and systems. As such, repairs to such a system can be more costly.

If your labor warranty or parts warranty is still valid, the cost to repair your furnace could be fairly inexpensive.

Two types of warranties you might have are:

Labor Warranty
Most companies/contractors offer a minimum one-year labor warranty on their furnace installations which covers the cost of labor to fix it if there is a problem with the installation. In addition, they usually offer warranties on repairs as well, but these are usually limited to the repair itself, for instance a 90-day warranty for a thermostat repair will include only the same issue that was previously fixed.

Parts Warranty
The manufacturer of your furnace (Trane, Carrier, Lennox, etc) typically covers a parts warranty for any malfunctioning components due to manufacturing problems. This warranty usually lasts up to 5 years, while extended warranties may range from 7-15 years.

Additionally, some manufacturers offer lifetime warranties for heat exchangers.

It is important to remember that in order for the warranty of your parts to stay valid, an annual maintenance by a professional is necessary. If you haven’t kept up with the maintenance of your furnace, it is likely that the warranty is invalid.

Depending on the age of your furnace, you might be able to avoid costly repairs by restoring it. Restoration can be a great choice for furnaces with worn or stressed-out components, or ones that are showing signs of wear.

Basically, this kind of work can help a furnace that has not broken down yet, but is in danger of doing so. Restoration is often pricier than just making repairs, but it is cheaper than replacing the furnace altogether. If your furnace is aging and starting to wear out, expensive repairs could be on the horizon, and a restoration may be the most cost-effective approach.

The old adage “You get what you pay for” is especially pertinent when considering which contractor to hire for a furnace repair.

Generally, the more highly qualified and experienced the contractor is, the higher the cost for their time and services.

Rather than settling for a bargain-basement contractor, it’s important to find one who possesses the necessary knowledge, skill and expertise to do the job properly and efficiently. After all, it’s not worth risking the potential consequences of an inferior job.

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Signs It’s Time to Buy a New Furnace

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It’s essential to monitor your furnace regularly to be aware of when it’s time to replace it. Paying special attention once the furnace has exceeded its planned lifespan is very important since this may indicate that you’ll need to change it sooner than expected.

Here are some signs that you should replace your furnace:

Frequent Repairs

At some point, your furnace may require repairs due to typical wear and tear. If you have your heating specialist come in for annual maintenance, you don’t need to worry.

However, if you have to call them in more and more often, it might be time to consider purchasing a new furnace. Maintenance on a furnace that is not functioning efficiently can become expensive, so it would be beneficial to have one of our technicians install a new system for you.

How long have you owned your current furnace? If it is older than 15 years, its age is a sign that you ought to think about getting a new one. Even the best furnaces can’t last more than 15 years, no matter how well you look after them. Therefore, you should be aware of the age of your heating system. When you realize it is getting on with age, consider replacing it.

Older furnaces tend to become less efficient as time passes. This means that it will run for longer than usual in order to heat your home, leading to higher power bills. In the long run it’s more cost effective to replace your furnace when you start to see a decrease in efficiency.

Most furnaces come with a manual that states how long they can be expected to last. Furthermore, you can talk to an expert to get a better understanding of your furnace’s lifespan. This information will help you make plans to get a new furnace before the end of its life expectancy. You don’t want your furnace to break down in the middle of winter when you need it most.

Having a gas or electric furnace in your home can prove to be a money-saving investment. If your furnace is in good working condition, it won’t take much energy to maintain a comfortable temperature throughout the winter. However, if your energy costs seem to be increasing abruptly at the end of each month, it’s time to have your furnace inspected.

If there is an issue with your furnace, it will use additional energy to maintain the set temperatures, resulting in increased utility bills. To avoid this, you should replace the furnace with an energy-efficient model that will help you to save money in the long run.

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Furnace Maintenance

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Maintaining your furnace properly can lengthen its lifespan, lessen your energy bills, and lower the probability of a breakdown. Our maintenance specialists can make sure your furnace is venting gases properly, the piping and chimney are undamaged, the temperature controls are accurately calibrated, and there are no leaks in the heat exchanger. Additionally, we will keep your furnace free of dust and dirt, since 90% of heating system problems are caused by these elements.

Why Is Maintaining My Furnace Important?

Regular upkeep of a furnace can enhance its longevity, security, energy-efficiency, and tidiness. Nobody desires to be inhaling unclean air indoors. By being proactive in its maintenance, we can guarantee breathable air and reduce the risk of your furnace breakdown in the middle of winter.

But there are other benefits of scheduling regular furnace maintenance:

  • Regular maintenance validates your furnace’s warranty: Chances are high that your furnace will need repairs at some point in its lifetime. A valid warranty can save you money on furnace repairs.
  • Regular maintenance can ensure that your furnace operates efficiently: Over time, the buildup of soot and debris can mean that your furnace isn’t working as efficiently as it could.
  • Regular maintenance can improve your furnace’s life expectancy: This means that you get the most out of your furnace. Modern furnaces last an average of 15-20 years. Some can last even longer. But when your furnace isn’t regularly maintained, its lifespan can decrease drastically.
  • Regular maintenance can catch issues before your system breaks down: This can prevent breakdowns that leave your family in the cold. It can also save you money on emergency furnace repairs.

Furnace maintenance, which usually takes place annually, serves two purposes: it tunes up the furnace and helps to keep it running efficiently. Furnace maintenance are usually divided into two broad groups:

  • Furnace inspection
  • Furnace cleaning


We’ll take a look at what each entails below.

Following the installation of a new furnace in your home, the first type of furnace inspection is carried out by an external inspector to verify that the contractor has installed it correctly.

The second type of inspection happens when the furnace receives its yearly tune-up, when an HVAC technician looks over the furnace to guarantee that it is functioning properly.

The Furnace inspection protocols involves:

  • Inspecting carbon monoxide levels
  • Inspecting the unit’s condition and wiring
  • Satisfactory flue venting
  • Inspecting the condition of gas line components
  • Safety shut-off equipment
  • Inspecting the condition of your furnace’s heat exchanger(s)
  • Inspecting the condition of your system’s filter
  • Inspecting the condition of your furnace’s flame sensor
  • Inspecting your furnace’s temperature rise
  • Checking the condition of your system’s blower motor

 

When your HVAC technician performs a furnace inspection, these benchmarks help ensure that your furnace is operating safely and efficiently.

Once your HVAC technician confirms that your furnace is operating safely, they should also clean your furnace. This helps maintain your system’s performance and keeps the air in your home cleaner.

During a furnace tune-up, the components that your HVAC technician should clean include:

  • The flame sensor: When your furnace’s flame sensor collects too much soot, it can prevent your furnace from turning on. Your technician can help you avoid this by cleaning the flame sensor during your furnace tune-up.
  • The plenums: Your system has two plenums that typically look like metal boxes connected directly to your furnace. The plenums help provide your system with air and move the air into your living spaces. Your HVAC technician should inspect your system’s plenums for mold, insulation, and other debris. They should be cleaned periodically.
  • The furnace cabinet: Your furnace cabinet accumulates dust and other debris throughout the year, especially if your filter can’t catch smaller particulates. But over time, that dust and debris can affect your system’s performance. To help with this, your HVAC technician should clean your furnace cabinet during your annual furnace tune-up.

When deciding which furnace brand to choose for your home, there are a few main factors to consider. Cost of installation, energy efficiency (AFUE ratings), and the warranty are all important elements to consider when selecting a new heating unit.

Additionally, if you’re replacing your entire HVAC system, you may be interested in learning about the top air conditioner brands.

It is important to also focus on reliable performance and energy savings when choosing a furnace.

Carrier, Trane, Lennox and Rheem are some of the best-known brands on the market that are known for their reliability and quality. Below we’ll take a look at the currently top-rated model for each. 

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Lennox

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Trane logo

Trane S9V2

Trane S9V2 brand commercial or large residential air handler unit.
rheem logo

Rheem R96V

R96V rheem prestige series furnace
Lennox logo

Lennox Elite EL296V

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Furnace Installation & Replacement Services

During the colder months, having a functional furnace can make all the difference in keeping your home warm and cozy. Unfortunately, like any other appliance in the house, you may experience a malfunctioning heating system that needs to be replaced. Look out for the signs listed above to help you determine when it’s time to replace your furnace. It is important to keep in mind that furnace-related issues can cause serious health concerns such as carbon monoxide poisoning, mold, and other air pollutants.

If you observe any of the warning signs in your residence, reach out to the professionals at Leonard Splaine & Co. Our technicians will evaluate your furnace and offer advice on what action needs to be taken.

We can also replace the unit and take care of the installation so that your home is safe and warm. Additionally, our services extend to duct cleaning, air conditioning, upkeep plans and emergency repairs for the people of Virginia.  Contact our experts today to schedule your service appointment.

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FAQ’s

Furnace & Boiler Service FAQs

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We compare upfront cost, utility rates, comfort needs, and your home’s insulation/ducts to recommend what actually saves you over time.

We typically respond the same day — for urgent problems we’ll aim to be there within 24 hours or less.

Yes. We work on all major brands and boiler types. Before your appointment, we’ll ask for your model so we can arrive prepared.

We serve the entire Northern Virginia region, including Woodbridge, Fairfax, Alexandria, Arlington and surrounding areas.

Yes! we offer flexible financing options so you don’t have to delay a necessary replacement. Ask us when you book.

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