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Browse HVAC Subtopics

Acoustics & Soundproofing

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    Soundproofing Outdoor Generators and Condensers

    Special mounts, acoustic blankets, and properly sized barriers are all part of the solution.

     
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    Products

    Stainless-Steel Wiring Staples - Insulating Fire-Block - Site Shop Setup - Premium Sliders - Rust-Resistant Post Mount - Clear Storm Panels - Soundproofing Solution

     
  • Soundproofing a Through-Wall Air Conditioner

    Q. My neighbor has a noisy through-the-wall air conditioner that runs day and night. So that I could get a better night's sleep, I thought I would offer to build him a soundproof box he could place around the AC unit, before I resort to more drastic measu

     
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    Products

    Air blocker; quick frieze; decking; exterior doors; ventilation

     

Air Conditioning

 

HVAC

  • 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.

     
  • Video Series: Soffit Venting

    Most of the time soffit venting is done wrong. In this three-part JLC-Live video, Peter Heard explains how to do it right.

     
  • AP Foil-Faced Polyiso Sheathing

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

     
  • Cost-Saving Insulated Foundations (Subscriber content)

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

     
  • Heat Kills

    After a long winter, summer's finally here ... and it could be brutal.

     
  • 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.

     
  • Bollenta Cos. TruTankless Electric Water Heater

    The TruTankless water heater squeezes 24 feet of heating element into a briefcase-size housing, so it can heat water at relatively low element temperatures.

     
  • A Drywaller’s Approach to Air Sealing Homes (Subscriber content)

    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.

     
  • ReVision Energys Dave Ragsdale connects the control circuit of the outdoor unit of a 1-ton Fujitsu mini-split on a home near Portland, Maine. In combination with a wood stove, the mini-split will mostly idle the homes existing oil boiler, except during the coldest part of the year.

    Heat Pumps for Cold Climates (Subscriber content)

    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.

     
  • Making the Case for Zero-Leak Ducts

    Mike MacFarland outlines the benefits of leak-free ducts.

     
  • WarmBoard Warmsource Total Warmth System

    The Warmsource system simplifies hydronic heating by stuffing all the manifolds and controls into a little tank on top of the main storage tank and using X10 technology to eliminate the need for thermostat wiring.

     
  • Fireplace Xtrordinair High Output Linear Gas Fireplace

    The 4415 High Output Linear Gas Fireplace heats up to 2,100 square feet of space and its crushed glass floor makes for sparkling aesthetics.

     
  • Huber Radiant Barrier Roof Sheathing

    This Zip System sheathing panel features a barrier on the underside that reflects radiant heat.

     
  • The covers for the hydronic heat in this studio were fabricated and installed in less than five hours.

    Baseboard Heat Covers

    Remodeler Randal Patterson shows how to make simple wooden covers for hydronic baseboard heat.

     
  • Ultraviolet Lamps and Improved Air Quality

    Are ultraviolet (UV) lamps in an HVAC system an effective way to disinfect the air and improve air quality?

     
  • Renting the Sun

    For a very minimal down payment, I will have a low fixed price per kWh for the next 20 years—basically renting the sun.

     
  • After the Boulder Flood (Subscriber content)

    When the flooding stops, the cleanup begins.

     
  • Steam Heat vs. Hydronic Heat

    A reader ponders whether to stick with steam or convert to hydronic.

     
  • Noritz NRC711 Condensing Tankless Unit

    A gas-fired condensing unit with an Energy Factor of 0.94 for both NG and LP fuels.

     
 
 
 
JLC Field Guide to Decking