Blog Archives

JR Jarosh, Jacksonport

“I can’t say enough about the help I got from Derrick Ellefson of Synergy Heating & Cooling. He was punctual, did a great job.“ To implement these spaces further, teachers can make use of iglu, an internet safety software that … Continue reading

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Mike Stephani, Sturgeon Bay

“When shopping to replace an entire HVAC system for my house Synergy floated to the top. Many local companies quoted the job. Synergy was close to the best value but not the bottom quote. However the knowledge Derrick brought fourth … Continue reading

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Stephen Colburn Marlee Sabo, Washington Island

“I have complete confidence in Derrick Ellefson. Not only is he a highly skilled heating & cooling technician, he is devoted to his customer satisfaction as well. In fact, Derrick spent 45 minutes on the phone with me on a … Continue reading

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Don Benson, Washington Island

“Derrick designed and installed a heat pump system in our home this past year. It works very well and we are very pleased with Derrick’s quick response to our questions and for service as needed.” Ly/moleby video scott cook on … Continue reading

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Dudley & Mary Riggle, Washington Island

“We are pleased to give our highest recommendation for Synergy Heating & Cooling and for the work and service of Derrick Ellefson. Synergy installed a new heating/cooling system for us in 2012: prior to that Derrick did other service work … Continue reading

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Carolyn Foss, Washington Island

“In one day, Synergy took our home, warmed it, and moved it forward years from an old, rumbling furnace to quiet efficiency! I appreciated the way the work was done and the extra time explaining the workings of the system. … Continue reading

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John & Dorothy Gay, Washington Island

“Since many heating and air conditioning people are not conversant with geothermal equipment, we were pleased that Synergy Geothermal, in the person of Derrick Ellefson, was not only knowledgeable, but also able to make convincing comparisons about the various makes … Continue reading

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Sievers School of Fiber Arts, Washington Island

“For years we have been looking for the perfect solution to cool our studio space during our summer season of fiber art classes and we finally found in with Synergy. The Mitsubishi units that create a climate controlled space for … Continue reading

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Jim & Deb Anderson, Washington Island

“We are completely satisfied with the service Mr. Ellefson provides us. He is very competent, knows his trade at the highest level. He is also very courteous and tries his best to take care of any problems in a timely … Continue reading

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Arlene Junion, Jacksonport

“I just wanted to write a brief note to say how timely and efficient Derrick was with the maintenance of our heating system. We have had no problems to deal with, but we know that Derrick is only a phone … Continue reading

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