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Archive of entries posted by Sundong Kwong

Sealing The Basement

Sealing a crawl space prevents moisture getting into the house from the ground. It is also a very effective way to reduce air infiltration, particularly around the rim joists and seams of the stem walls. Tom’s crew has laid polyurethane liners down on the basement ground and up the stem walls. While 6-mil to 10-mil []

How To Properly Size A Furnace For Your Home

Winter is around the corner. If you are planning to replace your old furnace make sure you size it correctly. A right size furnace can save you money and energy to run the system. The furnace also lasts longer. Many HVAC (Heating Ventilation Air Conditioning) contractors use conventional rule of thumb to size furnaces and []

A Day At The Green Festival

This 13th annual Green Festival in San Francisco in early November had over 300 businesses and organizations under one roof displaying their sustainable products and services. It’s like a marketplace for you with all sustainable vendors. A few products/services that suit a green home particularly well. Healthy Building Science was demonstrating eletromagnetic signals caused by []

Selecting The Heating And Cooling System

The HVAC (Heating Ventilation Air Condition) load calculations showed that we can take some innovative approach to heating this house. First, the heating requirement of 25,000 BTU makes any conventional gas or oil fired furnace oversized. Gas/oil fired furnace typically comes with a minimum of 40,000 BTU. Ductless minisplit heat pumps are great as they []

Mold in the Home – What to Do?

What to do about mold in the home, how to avoid it, how to clean it up, is mold testing a good idea? etc. This blog focuses on residential mold tips. Many of these best practices are drawn from the following government-sponsored resources on healthy homes: Help Yourself to a Healthy Home, US Department of []

Sizing the Heating and Cooling System

With the energy efficiency measures we are taking: air sealing, more insulation, triple-pane windows, etc, we know that the HVAC (heating ventilation air condition) requirement will be much lower than most houses in the neighborhood. Normally a detailed calculation using the ACCA Manual J (Heating and Cooling requirement calculation) and Manual D (duct size calculation) []

Attic, Basement and Porch Demolition

More pictures about demolition of attic, basement and porch. Coming next: Sizing the Heating and Cooling System See also: Partnering With Green Hearted Companies and the entire From Foreclosure To Green Home series. This forum provides you with resources about home renovation, improvement, makeover and repair topics such as air condition, cabinet replacement, countertop selection, []

Least Toxic Pest Control at Home

The Pest Management Workshop, held in Moraga, CA early October, was organized by Parents for a Safer Environment (PFSE), a very dedicated advocacy group of parents in the San Francisco Bay Area founded by Susan JunFish. The workshop taught attendees to use less toxic, long-term and economical methods to control common insects, rodents, and weed []