Concentration of CO2 in the Atmosphere

NHEC Incentives Help with the Cost of Heat Pumps, and Weatherization

By Seth Wheeler

Time to Rethink How Heat Pumps Are Used

For a long time, heat pump technology was like pecan pie and sweet tea – something best enjoyed in the south. In New England, winter laughed at heat pumps, which back then produced heat only when temperatures were in the mid-30s or warmer. But […]

Heat Pumps: How They Work and Why They Are So Efficient

By Jake Marin, Efficiency Vermont HVAC Program Manager

When most people think of electric heat; efficient and inexpensive are not the first words that come to mind. However, with current heat pump technology, this is exactly what you get. In Vermont, air- source heat pumps (also known as mini-splits or ductless heat pumps) have garnered […]

Geothermal Heat Pump with a Pond Loop

More Efficient than Air-source Heat Pumps

By George Harvey

There was a time when farms often had fish ponds on them, and many could be used for heat. This is a fish farm in Sainte-Famille, ile d’Orleans, Quebec. Photo Selbymay, Wikimedia Commons.

Regular readers of Green Energy Times probably do not […]

Cold Climate Heat Pump Workshop

Wednesday, May 6 Do Cold Climate Heat Pumps Make Sense for You?

Cold climate heat pumps have rapidly emerged as a promising technology for Vermont. Come to a workshop to learn about heat pump options for both hot water and space heating to see if they make sense for your home. This workshop will cover […]

NESEA Speakers at BuildingEnergy 15: Marc Rosenbaum

Tuesday Workshop – Marc’s Zero Net Energy Deep Energy Retrofit

Tuesday, March 03, 2015 10:00 am to 1:00 pm BuildingEnergy 15 Workshops

A building energy geek gut-renovated a small house. Learn about the decisions made, and consequences thereof; about choices of construction assemblies, materials, windows and doors, and mechanical equipment. Successive blower door test […]

Energy Co-op of Vermont launches an innovative heat pump leasing program

November 12, 2014, Colchester, Vermont The Energy Co-op of Vermont, a northern Vermont heating fuel provider and energy efficiency Co-op, announces the launch of Co-op Heat Pumps, an innovative heat pump leasing program. The Co-op Heat Pump program offers homeowners a super-efficient Fujitsu heat pump for less than $40 a month on a ten-year […]

From Heating to Cooling, Heat Pumps are Win-Win!


By Mike Hamlin

It is no secret that this has been a much colder winter than normal. January, February and March HHD’S (heating degree days) were on average 16% colder than 2012-13 with March topping 24% colder than normal. In spite of […]

What is the Deal with Heat Pumps?

By Richard Faesy, Energy Futures Group, Inc.

Heat pumps seem to be in the news recently. In April, Efficiency Vermont launched a new program promoting them and Green Mountain Power recently launched a heat pump rental program that appears to be wildly successful. They expected to hear from about 200 customers but instead received inquiries […]

Geothermal + Solar = Efficiency

By George Harvey

When Don and Judy Jordan decided put build a house, they wanted to share it with Judy’s parents, who are in their mid-80s. This meant addressing some unusual needs for warmth, as they had spent twenty years in Florida, and special consideration for potential special needs. Given four adults and a potential […]

Solar Power and Heat Pumps

New Inverter Heat Pumps Worth Their “Salt”… Can Triple Solar PV R.O.I.

By Mike Hamlin

New inverter heat pumps are very different from their early predecessors. The new inverter-driven technology enables the heat pump to transfer heat from the outdoors to the indoors extremely efficiently and reliably at temperatures well below 0º. The use of […]