Efficient Energy Systems Inc.

Efficient Energy Systems Inc.

5.0 (3)
2 hires on HomeGuide
3 employees
17 years in business

About this pro

Efficient Energy Systems Inc. provides OIL burner and Gas service and installations throughout MA. and southern N.H. We install a/c ductless mini splits, OIL and GAS fired heating and hot water installations.

We take pride in all our work and guarantee all work and parts for one year on all installations. Clean and Efficient.

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Londonderry, NH 03038
Email verified
Phone verified

3 Reviews


  • Mark Persson

    Excellent service from start to finish. Super friendly and personable with a fair price. Exactly what I needed during a tough situation.

  • Mark Persson

    Great experience with Bill. He came right away to assess the situation and without any sales pressure at all, gave me a quote for replacing my boiler, which was significantly less than what I was quoted from the company I usually use. His very friendly and cheerful personality, along with his many years of knowledge in this field, made my decision a fairly easy one. He was at my house first thing in the morning the following day and had the new boiler up and running by 2:00 PM! I would not hesitate to recommend him to friends, family or anyone else in need of boiler/burner service.

  • Adis Deronja

    I was impressed with service and communication from Bill.Very propmpt and professional response . Would recommend to anyone

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What is your typical process for working with a new customer?

It is important that I come to your house and review your heating and hot water systems. What type of system do you want? What efficiencies ? Whats your budget? Have you called Mass Save for free energy audit and rebate information? Cellar access. Thes are just a few questions that need to be answered.

What education and/or training do you have that relates to your work?

Two years Associte degree in heating / Power / Refrigeration.

Mass. License oil burner and A/C recovery . Licensed Plumber employed. 40 years experience

Services offered

AC Installation Companies Boiler Maintenance Companies Boiler Installers Boiler Repair Companies Central Air Conditioning Maintenance Air Conditioning Repair Services Furnace Installers Central Heating Services Furnace Repair Companies Air Conditioning and Cooling Companies Heater Repair Companies Radiator Replacement Services Heat Pump Installers Heat Pump Maintenance