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603 Oil Burner Services

24hr Oil Heating Service in Hopkinton
Open 24 hours
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Posted on Apr 19, 2019

More windows for Gerry Dumont our of Antrim! These custom windows were a challenge to put in on a trailer home. We work with all brands and will install any window, anywhere you want! Call today for a quote or any questions regarding an install and features!
(603) 494-8645

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Posted on Apr 19, 2019

We now offer full installations for mini splits! We work with all brand manufactures and we give you the absolute best pricing and install guaranteed! Call or email us today for a quote or any questions regarding installs or quotes! We are happy to hear from you!
(603) 494-0494

Posted on Feb 24, 2019

We have spent the winter working on expanded service and installation offerings. We have obtained the proper certifications and training to now offer mini split system installation and service. Now is the time to think about adding this great technology to your home in the spring putting those ta...

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Posted on Feb 11, 2019

In light of the upcoming snowy weather take some time to keep venting clear from snow. Also if you have an oil tank that is outside it’s best to cover the filter and lines and protect them from the direct cold. Oil starts to gel around 20 degrees and any water in the tank will freeze.

Posted on Feb 3, 2019

603 made a stop to a state job! Fox Forrest in Henniker received a new Becket AFG burner, insulated fuel line with a full EMT jacket covered protection layer, and a vibration loop with new spin on oil filters for easy replacement down the road. Not the easiest one to do, many obstacles to go arou...

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Posted on Feb 1, 2019

Leaky condensate return line buried in a 4 foot thick brick wall built into an early 1900’s storefront/apartment building in Laconia. The water level sensor in a commercial 1.5MBH+ steamer was tripping out several times a day leaving tenants cold.

Posted on Jan 25, 2019

603 OBS will not be around this weekend (25th-27th) If you have service, we can attend to you on Monday.

Posted on Jan 15, 2019

Not only furnaces, but windows too!
Here at 603 OBS we do more than your average furnace cleaning, maintenance and install. We also do carpentry such as windows, doors, decks and more! We work with all styles and brands of your choosing. Call us to schedule a free in home quote today! This is a...

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Posted on Jan 9, 2019

How about a steam system? This 495,000 BTU Weil McLain beast we installed in a 1800’s apartment W/ 11 apartments, 3 store fronts, 42 radiators and some 3” piping. Full tank inspection cleaning, new insulated oil line with protective conduit and flex line. Good sized project for two guys and we ha...

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Boiler Cleaning

  • Annual Cleaning

    Full boiler cleaning of: flue, burner, boiler, tank inspection, new nozzle, filters all the way around, oil line inspection, expansion tank test, air tube, we do it all!


  • Boiler Install

    We complete full installs of all kinds of makes and manufactures for oil fired furnaces. Indirect hot water, tankless systems, split systems, steam systems and much much more (Prices vary)


a year ago
Kyle was a life saver and came to my house in the middle of the night and fixed my oil burner. Great service and very good pricing.
- Zachary R

OIl Cleanings and Service

603OBS doesn't sell fuel, we sell service.  Our goal is to provide competent, friendly service to our friends and neighbors.  

Contact Us


Call now
  • (603) 494-0494


Get directions
561 Thain Road
Hopkinton, NH 03229
United States

Business Hours

Mon:Open 24 hours
Tue:Open 24 hours
Wed:Open 24 hours
Thu:Open 24 hours
Fri:Open 24 hours
Sat:Open 24 hours
Sun:Open 24 hours