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More stories about HVAC

  • Building a Passive House for the First Time

    Builder Farley Pedler delves into high-efficiency Passive House construction by building his own passive house in Martha's Vineyard, Mass.

  • Why 'Energy-Saving' Tips Suck

    The truth is that commonly espoused energy-saving tips are worthless. We look at four common offenders.

  • Rinnai Vent-Free Fan Convector

    The convector uses an electronically controlled modulating burner and modulating fan convector to deliver just the right amount of heat.

  • Teaming Heat Pumps with Rooftop Solar Power

    Portland, Maine’s ReVision Energy has a new business model: Pairing rooftop solar electric panels with efficient air-source heat pumps to yield a net-zero-energy home heating solution.

  • Slideshow: Teaming PV with Heat Pumps

    JLC's Coastal Connection spent two days on the job in Portland, Maine, this month to see an installation crew from ReVision Energy add heat pumps and rooftop solar panels to an existing house.

  • AP Foil-Faced Polyiso Sheathing

    This Energy Star-certified board offers an R-value of 6.5 per inch.

  • Cost-Saving Insulated Foundations

    Reduced excavation and forming time make ICFs a cost-effective way to build a frost-protected slab-on-grade or crawlspace.

  • Installing a Mini-Split Air-Source Heat Pump

    JLC goes on site with ReVision Energy to see master plumbers Dave Ragsdale and Chris Blaisdell install a Fujitsu mini-split heat pump near Portland, Maine.

  • A Drywaller’s Approach to Air Sealing Homes

    Air leaks through the building shell can have a significant effect on a home’s durability, energy use, and indoor air quality. Myron Ferguson explains how drywall can be an important part of the air barrier of an enclosure.

  • Heat Pumps for Cold Climates

    Mini-split heat pumps were a major topic at the Northeast Sustainable Energy Association (NESEA) BuildingEnergy 14 conference in Boston this year. Ted Cushman explains why and how these mini-splits shine in cold climates.