Blog

Plumbing
October 1, 2026
Why Is My Water Pressure Low When Fairfax County Says the Meter Is Fine?

Low water pressure even though Fairfax County says the meter is fine? The issue may be inside your home, from a failing pressure-reducing valve to aging pipes or restricted water lines. Learn what could be causing the problem and how a plumber can pinpoint it.

HVAC
September 22, 2026
Upgrade Your Heating System and Save Up to $2,000

Planning an HVAC upgrade? See what qualifies for the $2,000 Washington Gas rebate and what Virginia homeowners should know before choosing a new system.

HVAC
September 15, 2026
What Does a U4 Error Code on a Daikin Mini Split Mean, and Should I Be Worried?

Daikin U4 errors signal a communication problem between the indoor and outdoor units. Even if the system restarts, a professional diagnosis can help prevent another failure. Contact us to schedule your mini split service today.

Plumbing
September 1, 2026
Why Did My Sump Pump Stop Working After Only One Year?

A sump pump that fails after only a year could point to a float switch, installation, sizing, or power issue. Read our latest blog to learn what may have gone wrong and when to call a plumber.

HVAC
August 15, 2026
Why Does My AC Keep Tripping the Breaker?

An AC that keeps tripping the breaker is a warning sign of an underlying electrical or mechanical problem, and this guide explains the most common causes, what you can safely check, and when it's time to call an HVAC professional.

HVAC
August 1, 2026
What Should I Look for When Hiring an HVAC Company to Install a Hybrid Heat Pump System?

Choosing the right HVAC company is just as important as choosing the right hybrid heat pump. Learn the key questions to ask before you hire to help protect your investment and avoid costly surprises.

HVAC
July 1, 2026
What Does a Mini-Split Maintenance Visit Actually Include?

Read our latest blog to learn what a professional mini-split maintenance visit actually includes and why it matters for your system's performance.

June 1, 2026
Why Does My Bathroom Sink Drain Smell Bad?

Learn the most common causes of bathroom sink odors, warning signs to watch for, prevention tips, and when it may be time to call a professional plumber.

May 1, 2026
Why Proper Refrigerant Levels Matter in Ductless Mini Split Systems

Proper refrigerant levels are essential for mini split efficiency, and this blog explains the signs of an issue and why it matters.

April 1, 2026
Why Is My HVAC System Making a Loud Knocking Noise?

Learn why your HVAC system is making a knocking noise, the warning signs to watch for, and when to take action.

March 1, 2026
Should I Repair or Replace a 40-Year-Old Furnace?

Understand the lifespan, efficiency concerns, and safety risks of a 40-year-old furnace and how to decide between repair and replacement.

February 1, 2026
Is My HVAC Repair Covered Under Warranty?

This guide explains how to tell if your HVAC repair is covered under warranty, what’s typically included or excluded, and how to check your coverage before approving a repair.

January 1, 2026
Why Are My Radiators Not Heating Up and Do They Need to Be Bled?

Learn what bleeding a radiator does, how to spot trapped air, where bleed valves are located, and why broken knobs or valves stop heat.

December 1, 2025
What To Do When Your HVAC System Suddenly Shuts Off in McLean, VA

Find out in this blog what to do when your HVAC suddenly stops working and how to make sure you get dependable service when you need it most.

November 1, 2025
Should You Replace Your Heat Pump in Alexandria, VA?

Learn how replacing your old heat pump can save money and improve home efficiency.

October 1, 2025
How Regular HVAC Maintenance Helps Homeowners in Fairfax, VA Save Money

Discover how a simple HVAC tune-up can save you money and keep your Fairfax home warm during the cold season.

September 1, 2025
Are You Signed Up for Our Annual Plumbing Maintenance Plan in Arlington, VA?

Protect your home and save money with plumbing maintenance for only $129.95 per year.

August 1, 2025
Plumbing Problems That Can Disrupt Your Summer Party in Falls Church, VA

This blog covers the common plumbing problems during summer parties and explains when to professional for expert drain cleaning.

July 1, 2025
Why Ductless Mini-Split Systems Are Ideal for Hot Summer Days in Arlington, VA

This blog explores how ductless mini-split systems provide efficient, reliable, and flexible cooling, making them the perfect solution for beating the summer heat.

May 26, 2025
We Won the Best of Arlington Magazine 2025 for HVAC Service & Repair – Here’s What That Means for You!

B.L. James & Son has been voted Best of Arlington Magazine 2025 in the HVAC Service & Repair category.

Heating
January 8, 2025
Upgrade to a High-Efficiency Tankless Boiler

Upgrading to a high-efficiency tankless boiler is a smart way to lower your energy bills, free up space, and enjoy uninterrupted heat and hot water. BL James and Son, serving Washington, DC, and Alexandria, VA, provides expert assessment, professional installation, and ongoing support. From custom solutions to navigating energy incentives, they ensure your new tankless boiler runs efficiently and helps reduce your carbon footprint—all while keeping your home comfortable year-round.

Ventilation
May 20, 2024
Improving Indoor Air Quality to Combat Seasonal Allergies

Improve indoor air quality and reduce seasonal allergies with UV-C air purification systems

Plumbing
March 13, 2024
How to Identify Hidden Water Leaks in Your Home in Loudoun County, VA

We offers tips and professional assistance to help homeowners detect and address hidden water leaks, preventing potential damage and saving money.

Plumbing
February 28, 2024
No More Cold Showers for Your Fairfax County, VA Home

A comprehensive look into maintaining and optimizing your water heater for consistent and reliable hot water. With insights from B.L. James & Son, learn how to perform essential maintenance tasks and make informed decisions on water heater care. This article is your key to understanding how regular upkeep can prevent common water heater pitfalls and keep those cold showers at bay.

HVAC
February 20, 2024
How to Control Indoor Humidity for Your Home in Arlington County, VA

Explore expert tips on balancing indoor humidity with dehumidifiers, humidifiers, and smart systems. Learn about health impacts, seasonal adjustments, and professional solutions from B.L. James & Son.

January 30, 2024
How to Maximize the Lifespan of the Heating and Cooling System in Your Sterling, VA Home

Are you deciding between repairing and replacing your HVAC system? You should consider three key things, the system's age, repair costs, and efficiency of your current system. First let's address the typical 10-15 year lifespan of HVAC systems and explore how modern refrigerants like 410A impact this expectancy.

Ventilation
January 26, 2024
Enhancing Indoor Air Quality for Healthy Breathing in Lorton, VA

The main goals of efficient heating, ventilation, and air conditioning (HVAC) system are to offer thermal comfort and contribute to the maintenance of acceptable indoor air quality through appropriate ventilation with filtration. Proper ventilation and air filtration is also better for your heating and cooling equipment.

Heating
October 19, 2023
Upgrade to a High-Efficiency Furnace for Your Vienna, VA Home This Winter

As homeowners in the Washington, DC metro area, you're no stranger to the chilly winters that can put a damper on your home comfort. If you're still relying on an older, less efficient furnace, it might be time to consider upgrading to a high-efficiency model. This not only promises improved comfort but also comes with added benefits, including rebates from Washington Gas to sweeten the deal.

B.L. James & Son
June 15, 2023
Best Of The Best Contractor 2023 - Gazette Leader Arlington, VA

We're thrilled to share that B.L. James & Son has been honored as the Best Of The Best Contractor for 2023 by Gazette Leader. This recognition shines a light on our relentless commitment to serving our community with unmatched HVAC services. As we celebrate, we reaffirm our promise to you - our commitment to deliver the superior service you've come to expect, now and always.

B.L. James & Son
June 9, 2023
Support Michael Bright's Battle Against Prostate Cancer

Discover the inspiring story of Michael Bright, a valued employee at one of B.L. James & Son Mechanical Contractors' vendors. Recently diagnosed with prostate cancer, Michael has shown unwavering strength and determination throughout his journey. As he undergoes radiation treatment while balancing work and family responsibilities, B.L. James & Son calls upon its customers and community to rally behind Michael. By contributing to his GoFundMe campaign, you can help alleviate the burden of medical bills and ensure Michael's focus remains on his health and loved ones. Join us today in making a difference in Michael's life as we stand united in support and optimism.

Water Heater
May 17, 2023
Tankless Water Heaters: Unlimited Hot Water

This article delves into the world of tankless water heaters and their numerous benefits. It discusses how these modern devices offer an unlimited supply of hot water on demand, effectively eliminating the issue of running out of hot water. The article also details how tankless water heaters are more energy-efficient and space-saving compared to traditional water heaters. Furthermore, it underscores the longer lifespan and lower operating costs of tankless water heaters. The piece concludes by reinforcing the notion that tankless water heaters are an eco-friendly and efficient solution for any home's hot water needs.

HVAC
May 15, 2023
The Critical Role of Annual HVAC Maintenance

Annual HVAC maintenance ensure the system's optimal performance, leading to consistent temperature control, lower energy bills, and a more comfortable indoor environment. The piece emphasizes the importance of summer AC maintenance for efficient functioning in hot weather. It also introduces the reliable services of B.L. James & Son Mechanical Contractors for all your HVAC needs. The article concludes by reinforcing the importance of preventative maintenance in avoiding unexpected breakdowns and ensuring a comfortable, healthy home throughout the year.

HVAC
May 2, 2023
How to Maintain Flower Beds Around Your AC Unit in Chantilly, VA

This article provides a comprehensive guide on maintaining flower beds around your AC unit. It covers the importance of clearing the area around your AC unit, the 3-feet rule, controlling weeds and fertilizing, choosing shade-tolerant flowers, creating a barrier, considering gravel gardens, and avoiding placing flower containers on your AC unit. Additionally, it highlights the benefits of hiring Potomac Lawn Professionals for your landscaping needs.

Cooling
January 30, 2023
Understanding the Basics of Air Conditioning for Your Reston, VA Home

An in-depth look at the basic types of home air conditioning systems, namely split-system air conditioners, window air conditioners, central air conditioners, and ductless mini-split air conditioners. It describes each system's unique design, functionality, advantages, and potential drawbacks. The piece also emphasizes the importance of regular and proper maintenance of these air conditioning systems for efficiency and longevity, providing practical tips for each type. The article concludes by encouraging homeowners to hire professionals for regular servicing and inspection of their air conditioning systems to ensure optimal performance and durability.

HVAC
January 27, 2023
How to Seal Leaky Ductwork in Your Ashburn, VA Home

Sealing ductwork is just one aspect of maintaining a healthy home; regular maintenance, cleaning, and proper insulation also play a significant role. By addressing leaking ductwork, homeowners can ensure that conditioned air stays inside their homes, leading to improved indoor air quality and reduced energy costs.

Heating
January 18, 2023
Home Heating Guide for Great Falls, VA: Types, Maintenance, and Efficiency Tips

Save money and prolong the lifespan of your heating system with our comprehensive guide.

Sewer
January 25, 2023
How to Handle a Sewer Line Backup for Your Tysons VA, Home

If you experience a sewer backup in your home, it is important to take immediate action. Contact a plumber or sewer and drain cleaning service. They will first determine the cause of the backup, then clean up any sewage, disinfect the affected areas, and take steps to prevent future backups. This may include inspecting and cleaning the sewer line, removing tree roots, repairing or replacing pipes, and installing a back flow preventer.

HVAC
January 16, 2023
Solve Noisy Ducts: Tips for Reducing Banging and Hissing Sounds in Your Alexandria, VA Home

Quiet noisy ducts with these effective solutions and improve the comfort of your home.

Plumbing
January 23, 2023
How Do Septic Systems Work for Your Fairfax, VA Home and How to Ensure Proper Functioning?

A septic system is a type of on-site wastewater treatment solution used in rural areas. It consists of a septic tank, drainfield, and distribution system.

Plumbing
January 20, 2023
Understanding the Basics of Home Plumbing Systems for Your Falls Church, VA Home

The components of your home's plumbing work together to ensure water is properly distributed and waste is removed.

Plumbing
January 13, 2023
Fix Your Leaky or Running Toilet in Arlington, VA with These Simple Steps

Fixing a leaky or running toilet can be a simple DIY task with the right steps.

Plumbing
January 11, 2023
Protect Your Loudoun County, VA Home from Water Damage and Radon Gas with a Sump Pump Cover or Seal

Sump pumps protect homes from water damage but can also be a source of radon gas infiltration.

Plumbing
January 9, 2023
Types of Faucets, Causes of Drip and Repair Solutions for Your Fairfax County, VA Home

rip from a faucet can be caused by worn-out washers, O-rings, or valves.

Plumbing
January 2, 2023
Clean Your Toilet Tank in Arlington County, VA: A Step-by-Step Guide to Remove Buildup and Rust

Learn how to clean a toilet tank with our step-by-step guide. Regular cleaning can prevent buildup, rust and leaks in the tank.

Plumbing
January 6, 2023
Prevent Frozen Pipes: A Step-by-Step Guide to Draining Pipes for Your Vienna, VA Home Before Winter

Prevent costly repairs and flooding by properly draining pipes before winter.

Plumbing
December 26, 2022
A Guide to Selecting and Maintaining a Garbage Disposal for Your Home in Sterling, VA

When choosing a new disposal, it's important to consider factors such as size, horsepower, and noise level. To maintain your disposal and avoid jams.

Plumbing
January 4, 2023
Learn How to Snake a Drain for Your Lorton, VA Home and Say Goodbye to Slow Drains

Say goodbye to slow drains and improve the functionality of your bathroom with this informative article.

Plumbing
December 30, 2022
Stay Safe: Understanding the Dangers of Natural Gas Leaks for Your Chantilly, VA Home and How to Prevent Them

This comprehensive guide provides important information and tips for ensuring the safety and well-being of you and your family.

Plumbing
December 23, 2022
Fix Your Wobbly Toilet in Reston, VA: A Step-by-Step Guide to Diagnosing and Repairing

In this article, we'll teach you how to diagnose and repair a wobbly toilet.

HVAC
December 16, 2022
Maximize Comfort and Protect Your Ashburn, VA Home with a Whole-House Dehumidifier

A whole-house dehumidifier controls humidity levels throughout your home, providing numerous benefits.

Heating
December 21, 2022
Maintaining Your Furnace

With these tips, you can extend the life of your furnace and enjoy a reliable heating source all winter long.

Plumbing
December 28, 2022
Why Dishwasher Detergent Matters for Your Dishwasher in Great Falls, VA

Dishwashers are a convenient way to clean dishes, but the type of detergent used matters. Dish liquid is not formulated for dishwashers and can cause issues such as buildup of soap scum, excessive sudsing, and damage to the machine.

Plumbing
December 19, 2022
Home Plumbing 101: Comparing Copper, PVC, and PEX Pipes for Your Tysons, VA home

Discover the differences between copper, PVC and PEX pipes in home plumbing systems.

Heating
December 12, 2022
Heat Pumps vs Furnaces for Your Mclean, VA Home

Understanding the differences between the two types of systems can help you make an informed decision when it comes to choosing a heating system for your home.

HVAC
December 7, 2022
Smart Thermostats: The Future of Alexandria, VA Home Heating and Cooling

Smart thermostats offer a range of advanced features and benefits over traditional thermostats.

Water Heater
December 9, 2022
Water Heater Maintenance Tips for Your Fairfax, VA Home

Water heater maintenance involves regular cleaning and inspection to extend its lifespan and improve efficiency.

Plumbing
December 2, 2022
Sewer Line Repair and Replacement in Falls Church, VA

Let's discuss the causes of sewer line damage, the signs that your sewer line may be in need of repair or replacement, and the options available for fixing the problem.

Heating
November 30, 2022
Efficiency Upgrades & Energy Rebates

Washington Gas is offering rebates to consumers who upgrade certain gas fired house hold appliances in 2022.

HVAC
October 28, 2022
Indoor Air Pollution: Understanding and Mitigating its Effects

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December 5, 2022
Whole House Water Filters

It's important to choose the correct filters based on the type of impurities you want to remove from your water supply.

Plumbing
November 28, 2022
Cold Water Temperature and What It Can Do To Your Water Heater in Arlington, VA

Your water heater now has to work that much harder to heat the water entering your home.

HVAC
September 28, 2022
7 Tips for Hiring a Reliable HVAC Company in Arlington, VA

When you're looking for an HVAC company, there are many options available to you. Use these tips to connect with a company you can trust.

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