Outdoor reset works hand-in-hand with modern modulating, condensing boilers to drive significant gains in energy efficiency.  The principle is simple to understand, and easy to implement.  The basic principle is that a hydronic heating system should operate at higher...

On January 1st, 2013, Congress passed the American Taxpayer Relief Act of 2012. In it was an extension of the 25C Residential Energy-Efficiency Tax Credit through Dec. 31, 2013. The tax credit has a $500 limit allowing homeowners who purchase qualifying...

DG Service Company - recent Radiant Heat installation in a main entrance/reception area Radiant Heat can be installed in new construction or retrofitted into an existing structure. Radiant Heat has a number of advantages: it consistently keeps...

After 21 months of extensive financial, policy and business reviews, including customer feedback and satisfaction surveys from 40 of our customers, DG Service Company is proud to announce that we have been accepted into the General...

DG Service Company recently installed a ductless HVAC unit at Turk’s Seafood Restaurant and Sushi Bar in Mattapoisett, MA. Turk’s recently expanded, adding Big Turk’s Fish and Sake Bar onto the building that originally opened in 1989. This...

DG Service Company is proud to be a sponsor of the 42nd Annual Mattapoisett Road Race. Proceeds from this popular five-mile race are all awarded to graduating seniors from Old Rochester Regional High School involved with the sport of running. This year’s field of 1001...

The emergence of a new preferred refrigerant (R-410A), as fluorocarbons have been phased out, requires up-to-date tools and expertise. Because it operates at a higher pressure than other refrigerants, finding and eliminating leaks in R-410A systems is important....

Ductless air conditioning (AC) is a good option when you don't want to install a complete central air system in your home or building. They can be used in residential and commercial settings and are good options when: you want to cool a room or...

Loyalty goes both ways – a local market prospers on customer loyalty. Lloyd's Market in Rochester has serviced the area for 65 years, 16 of those years under owner Jay George.  Mr. George, a friendly and outgoing guy, says, “If you can’t find it...

In January, L.L. Bean kicked off their year long 100th birthday celebration. The company’s philosophy for all 100 years came from its founder Leon Leonwood Bean’s viewpoint. His golden rule was - “Sell good merchandise at a reasonable profit, treat your customers like...

DG Service Company has a new home base! We are currently in the renovation phase and hope to open our new location early in 2012 to celebrate 20 successful years in the Heating, Air Conditioning and Commercial Refrigeration(HVAC/R) business. The commercial property at...

Federal income tax credits are available to consumers who upgrade certain HVAC components in their homes.  Receive 10% of the cost, up to $500, with the exception of the following: $300 for central air conditioners $300 for electric heat pumps and energy efficient...

One of the important tasks of good HVAC preventative maintenance to ensure indoor air quality in homes and buildings is the proper selection and sizing of air filters. Filter There are five popular sizes of air filters: 16 in. x 20 in.; 20 in. x 20 in.; 16 in. x 25...

The Refrigeration Service Engineers Society (RSES) Journal published an article on using ultraviolet light in HVAC systems as an alternative to coil cleaning.  Although the use of this technology is relatively new, it offers multiple benefits of germicidal UVC...

DG Service Company is a proud sponsor of the Annual Tiara Walk or Run Race event that takes place on Mother's Day.  The race starts and finishes at one of our customer locations, Oxford Creamery of Mattapoisett.  The owners of Oxford Creamery,...

Air conditioning is everywhere.  Large heating, ventilation and air-conditioning (HVAC) systems cool our buildings; small central air conditioning systems chill our homes and compact systems create comfortable climates in vehicles, boats, cranes, excavation and...

Geothermal Technology is a technology that uses the earth's renewable energy to provide high efficiency heating and cooling.  This ground source of energy is used to heat and cool a building through the use of an electrically...

Problems with HVAC systems come in many forms: design, improper installation, or poor maintenance. Planned maintenance is the best preventative insurance a building owner can purchase. Regularly changed filters keep airflow at optimal levels, while protecting the duct...