Trusted Local Expertise - since 1999

HVAC Installation & Replacement in Annandale, VA

When you’re ready to replace or upgrade your HVAC system, count on B.L. James & Son, the trusted local professionals for HVAC installation in Annandale, VA. With over 20 years of experience, our licensed and certified team delivers energy-efficient heating and cooling installations that meet local codes and ensure your optimal comfort. We take pride in providing expert workmanship and exceptional customer service on every project.

We’re proud to serve homeowners, condo residents, and businesses throughout Annandale, VA, including the neighborhoods of Wakefield Chapel, Ravensworth, Broyhill Crest, and Canterbury Woods. Every system we install is customized to fit your home, lifestyle, and budget.

Schedule your HVAC installation & replacement in Annandale, VA.

Expert HVAC Installation & Replacement Services in Annandale

At B.L. James & Son, we specialize in professional HVAC installation and replacement services that keep your home comfortable. Whether you are upgrading to a high-efficiency model, replacing an outdated unit, or improving your indoor air quality, we install systems designed for long-lasting performance and reliability.

Our installation services include:

Air Conditioning Systems: Beat Annadale’s hot and humid summers with a cooling system designed for your space. We install central air units and ductless mini-splits that deliver dependable comfort and superior energy efficiency.

Furnaces & Boilers: Stay warm all winter with our expert furnace and boiler installations. Whether gas or electric, we ensure every system meets safety codes and runs efficiently through Northern Virginia’s coldest days.

Indoor Air Quality Systems: Clean, healthy air starts with the right equipment. We install whole-home air purifiers, humidifiers, dehumidifiers, and advanced filtration systems that reduce allergens and pollutants for better breathing year-round.

Why Choose Professional HVAC Installation

Installing an HVAC system on your own can be a cost-saving option, but it often results in expensive issues down the road.  Incorrect sizing, faulty wiring, or missing permits can cause poor performance, safety risks, or violations of building codes. DIY work may also void your manufacturer’s warranty.

By choosing B.L. James & Son, you can be confident that your HVAC system will be installed correctly, safely, and in full compliance with local regulations. Our team performs detailed load calculations, provides expert recommendations, and completes every job with precision and care. You’ll receive a reliable and efficient system backed by warranty protection and professional service.

Why Annandale Residents Trust B.L. James & Son

Local Experience: We have served homeowners and businesses across Annandale and Northern Virginia for over 20 years, earning a reputation for dependable service and quality craftsmanship.

Family-Owned & Customer-Focused: As a family-owned business, we handle every project with care and prioritize your comfort from the initial consultation through the final inspection.

Comprehensive HVAC & Plumbing Services: We offer more than just installations. Our team provides plumbing, indoor air quality solutions, and preventive maintenance for total home comfort.

Commitment to Quality & Safety: Every project is completed with high-quality materials and equipment that meet or exceed today’s efficiency and safety standards.

Request an Estimate For Your HVAC Installation or Replacement in Annandale, VA

Do not wait for your system to fail before upgrading. Whether you need to replace an older unit or want to improve energy efficiency, B.L. James & Son provides prompt service, professional installation, and dependable comfort for your home or business.

Schedule your HVAC installation & replacement in Annandale, VA.

You may want to view these pages:

Furnace Installation

Boiler Installation

Financing

Plumbing Inspection

Should You Replace Your Heat Pump?

Please complete this form to request service from B.L. James & Son.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

Call B.L. James & Son

The B.L. James & Son team likes to move quick and reply to customer inquiries the same business day. Once we troubleshoot the issue, estimates are provided the same day or by the end of the next day. Our work begins the moment you call, and since we’re open 24 hours a day there’s no reason to wait. Call B.L. James & Son anytime, we’ll be there to help.

We're Focused on Your Comfort
Good To Know

What is the Lifespan of Mechanical Systems?

  • Heating & Cooling System
    15 Years
  • Tank Hot Water Heater
    6 to 12 Years
  • Tankless Hot Water Heater
    20 Years
  • Sewer Lines from House
    75 Years

Customer Reviews

Named 2023 and 2024 Nextdoor
Neighborhood Fave

Named 2022 Best Emergency Plumber in Arlington by Expertise.com

Named Sun Gazette 2020 Best of the Best Plumbing Contractor

Best of Arlington Magazine 2023 and 2025 Top Vote Getter