Leonard Splaine Co.

Leonard Splaine Co. Heating • Air Conditioning • Electrical •Generators When it comes to heating and cooling, we are your most trusted resource.

Leonard-Splaine Heating, Air Conditioning, and Fuel Oil is a full service residential and commercial HVAC contractor serving the greater Northern Virginia Area for over 65 years. We specialize in the installation, service, and repair of heat pumps, air conditioners, gas furnaces, electric furnaces, instant water heaters, gas water heaters, electric water heaters, air filtration systems, duct work, humidifiers, and much more. We also sell and deliver heating fuel oil and off-road diesel.

Our team completed a rooftop HVAC installation to provide reliable heating and cooling performance for this building.Cal...
06/16/2026

Our team completed a rooftop HVAC installation to provide reliable heating and cooling performance for this building.

Call us now at 703-494-2855 for your HVAC needs in Northern VA.
https://www.leonardsplaine.com/

Why does my AC smell musty when I turn it on for the first time in summer?When your air conditioner sits unused through ...
06/11/2026

Why does my AC smell musty when I turn it on for the first time in summer?

When your air conditioner sits unused through winter, moisture can build up in the system or ductwork. That moisture can lead to musty odors when the system starts running again.

Call us now at 703-494-2855 for your HVAC needs in Northern VA.
https://www.leonardsplaine.com/

We installed a new water heater to ensure dependable hot water and improved system efficiency for this client's home.Cal...
06/09/2026

We installed a new water heater to ensure dependable hot water and improved system efficiency for this client's home.

Call us now at 703-494-2855 for your HVAC needs in Northern VA.
https://www.leonardsplaine.com/

Why does my house feel humid even though the weather outside isn’t that hot yet?Spring in Northern Virginia often brings...
06/04/2026

Why does my house feel humid even though the weather outside isn’t that hot yet?

Spring in Northern Virginia often brings high humidity before temperatures rise significantly. Your HVAC system may not be running long enough yet to remove excess moisture from the air.

Call us now at 703-494-2855 for your HVAC needs in Northern VA.
https://www.leonardsplaine.com/

Mike spent a long time hunting for the issue, talking to the manufacturer, and they determined a part needs to be replac...
05/28/2026

Mike spent a long time hunting for the issue, talking to the manufacturer, and they determined a part needs to be replaced, which will be handled under warranty. Impressive debugging, and a really nice person. Thanks! - Chris T.

Call us now at 703-494-2855 for your HVAC needs in Northern VA.
https://www.leonardsplaine.com/

Our team installed a Mitsubishi Hyper Heat system at a residential property to provide efficient, reliable heating and c...
05/26/2026

Our team installed a Mitsubishi Hyper Heat system at a residential property to provide efficient, reliable heating and cooling even during extreme winter temperatures.

Call us now at 703-494-2855 for your HVAC needs in Northern VA.
https://www.leonardsplaine.com/

Happy National HVAC Tech Day to the backbone of Leonard Splaine Company! 🔧❄️🔥Today, we celebrate the hardworking technic...
05/26/2026

Happy National HVAC Tech Day to the backbone of Leonard Splaine Company! 🔧❄️🔥

Today, we celebrate the hardworking technicians who show up every single day to keep our customers safe, comfortable, and cared for — no matter the weather or the challenge. Your dedication, craftsmanship, professionalism, and commitment to doing things the right way are what make Leonard Splaine special.

Thank you for the early mornings, late nights, long days, and the pride you take in serving our community. We appreciate everything you do and are proud to have the best team in the business.

This Memorial Day, we pause to honor and remember the brave men and women who made the ultimate sacrifice for our countr...
05/25/2026

This Memorial Day, we pause to honor and remember the brave men and women who made the ultimate sacrifice for our country. Their courage, selflessness, and dedication to protecting our freedoms will never be forgotten. 🇺🇸

We also extend our deepest gratitude to all who have served and continue to serve. Thank you for your commitment, sacrifice, and unwavering devotion to our nation.

From all of us at Leonard Splaine Company, we wish everyone a safe and meaningful Memorial Day as we remember those who gave everything for the freedoms we enjoy today. ❤️🤍💙

No ducts? No worries. 😎This little summer preview we just had probably left a few people thinking… “There’s got to be a ...
05/20/2026

No ducts? No worries. 😎

This little summer preview we just had probably left a few people thinking… “There’s got to be a better way to cool this room.”

Good news — there is. Mitsubishi Electric ductless systems are the perfect solution for:
✅ Hot upstairs bedrooms
✅ Sunrooms & additions
✅ Finished basements
✅ Garages & workshops
✅ Detached structures & bonus rooms

As a Mitsubishi Electric Diamond Contractor, Leonard Splaine can design a custom comfort solution without the need for bulky ductwork — just quiet, efficient comfort exactly where you need it.

Call today for a FREE ductless estimate before the real summer heat arrives! ☀️❄️

📞 (571) 370-5674

Address

13300 Occoquan Road
Woodbridge, VA
22191

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