Journal of Light Construction: Heating

Downsized Programming

Mon, 11 Mar 2013 12:58:37 EST

Honeywell's Prestige IAQ thermostat is 60% smaller than the companyís other programmable models

Clean Woodburner

Tue, 15 Jan 2013 11:02:08 EST

The Lopi Cape Cod Woodstove is billed as the cleanest-burning large cast-iron stove available

Maine Passive House Builder Tweaks His Package

Wed, 12 Dec 2012 08:13:19 EST

Chris Corson is working on another Passive House — this time, with a more ample budget, and a more complex design.

Sustainability Expert Reports on Hybrid Water Heaters

Fri, 16 Nov 2012 03:41:27 EST

Next-wave DHW heaters offer performance advantages over conventional tankless and storage water heaters but may not make financial sense.

SoftSound VC 97 Variable-Speed Modulating Gas Furnace

Mon, 20 Aug 2012 01:38:51 EST

According to the maker, the SoftSound VC 97 Variable-Speed Modulating Gas Furnace provides steadier heat than single-stage furnaces

Radiant in a Box

Thu, 30 Aug 2012 01:34:14 EST

This unit is essentially a pre-assembled mechanical room that you can hang on the wall.

Ductless Heat Pumps

Mon, 13 Aug 2012 11:15:22 EST

These easily installed units offer flexible sizing and high efficiency at moderate cost.

We Are the 99% — Design Temperatures and Oversized HVAC Systems

Fri, 8 Feb 2013 01:36:51 EST

With all the emphasis on energy codes and energy-efficiency programs, more homes are getting Manual J heating and cooling load calculations these days. The intent is that the heating and cooling systems installed will be sized properly because oversized systems have problems (poor dehumidification, short cycling, etc.) But just because an HVAC contractor does a Manual J, that’s not a guarantee that the system is sized properly.

When to Use a Heat-Pump Water Heater

Mon, 13 Aug 2012 11:45:44 EST

Q: A customer wants me to install one of the new heat-pump water heaters in the ground-floor utility room of a house built on a slab. I don't have any direct experience with them, but since they work by drawing heat from the surrounding air, won't any energy savings in the winter be at least partly offset by the cost of heating that indoor air to begin with? And could the outflow of cool air from the utility room cause comfort problems?

Product: SheerWeave Performance +

Thu, 12 Jul 2012 05:56:00 EST

An interior window shade fabric designed to reflect solar heat and reduce glare.

Learning Thermostat

Tue, 15 Jan 2013 05:51:41 EST

Nest Labs. The Nest Learning Thermostat monitors homeowner behaviors and preferences to create a customized heating and cooling schedule.

Big Power, Small Package

Fri, 6 Jul 2012 03:54:25 EST

According to Rheem, the 29-gallon XR90 Extreme Recovery Gas Water Heater exceeds the performance of most 50-gallon water heaters but costs less to operate than any standard 30-, 40-, or 50-gallon model.

Geothermal System

Wed, 16 Jan 2013 10:30:42 EST

Climatemaster. The Tranquility 22 Digital series geothermal system has one of the smallest footprints in the industry, making it ideal for retrofit projects or installation in tight spaces, the company says.

High-Efficiency Heat Pump

Tue, 15 Jan 2013 05:51:20 EST

Carrier. Featuring Greenspeed intelligence, the company’s latest Infinity heat pump offers an industry-leading HSPF heating efficiency rating of up to 13 along with cooling efficiency up to 20 SEER.

Cordless Jobsite Forced-Air Heater

Tue, 10 Jul 2012 04:07:56 EST

Warm up to 800 square feet for up to 12 hours with this portable propane unit.

Maine Passive House: How Low Can He Go?

Fri, 7 Dec 2012 04:46:05 EST

LED Downlights

Wed, 16 Jan 2013 10:30:30 EST

Imtra. The Sardinia and Cyprus 120-volt flush-mount LED downlights are designed to replace 120-volt, 35-watt halogen lights, providing equal light output and color temperature but with no radiated heat and less than one-third of the power consumption, the company says.

Cypress Series Geothermal System

Wed, 16 Jan 2013 10:30:32 EST

GeoStar. The Cypress Series geothermal system provides forced-air heating and cooling and hydronic heating for radiant floors and features a desuperheater option for supplemental hot water.

Programmable Thermostat

Wed, 16 Jan 2013 10:30:10 EST

The Slimline Platinum thermostat provides control of both temperature and humidity levels.

Builder's Guide to Windows

Fri, 6 Jul 2012 05:07:50 EST

There are more than 100 million homes and approximately 20 billion square feet of clear-glass residential windows in the U.S. Most of those homes are more than 30 years old, and as a result, the market is growing for replacement windows with energy-efficient insulating glass.