"I have a Rinnai unit, rated at 199k input. Other brands work fine. Size by selecting units that will make at least 5 or 6 gallon flow rate at 125 degrees outlet based on the local inlet water temps. Select yours from a…"
"I have a gas fired tankless hot water heater installed in my basement for the past 8 years. Air supply and exhaust is a double wall direct vent system. Great system as you can run more than one shower and washing machine and…"
"In the past contractors installed a non perforated material similar to this as a radiant barrier in attics, often spread flat over the insulation in the attic floor. Moisture condensed into liquid water on the bottom side and created problems. …"
"Try the Air Leakage heading N1126.96.36.199
N1102.4.1 Building thermal envelope. The building thermal envelope shall be durably sealed to limit infiltration. The sealing methods between dissimilar materials shall allow for differential expansion…"
"The tag line paragraph almost made me delete the post - just another wild idea that should never have been posted. Then I started reading with the intent to blast the poster of such drivel.
But items 1-3 are spot on advice for HVAC…"
"You listed 3300 CFM50 - air seal the ceiling to attic plane, install proper soffit vents ( rafter to rafter to above the insulation and sealed down to the outside of the top plate).and get your insulation and up to Code or better. .
"Ted - "not sure what you are saying" ?
Maybe you just did a quick glance- it was a long post. You missed the point of the post - the software does not provide an accurate picture of an existing home. How can it provide…"
"Working with most of the local and national energy programs, I have to use a number of different energy modeling programs. Seems each modeling program has a different set of problems. I always start with running my home as a…"
"I find the Wizard Stick easier to use than the Puffer. It puts out a lot more "smoke". Both have problems: constant lancing of the Puffer outlet and if you are not carefull about draining the Wizard Stick, the toy train…"
A hammer and a saw used to be the key tools for home contractors. Today, the best-in-breed also use high-tech equipment while performing a professional energy audit or verifying that construction has been done correctly.
"I think it was P.T Barbnum that said "There's a sucker born born every minute..." This is another one of those products with fantastic claims but no real testing for backup.
I lloked at the entire website and…"
"As PJ says, AFC First has some great programs. Last month I went to the formal announcement/celebration where they became the first private company to be allowed to sponser a statewide (PA) Home Performance with Energy Star program.…"
Larry Janesky, owner and founder of Dr. Energy Saver is once again On the Job insulating and finishing a basement in the northeast – and introducing a brand new insulation product: ThermalDry Insulated Floor Decking.
ThermalDry Floor Decking was…
Rebroadcast from On April 30, 2013 Sharon Miller and Robin Utz of the U.S. Department of Education conducted a one hour webinar for HVACR educators to provide them firsthand information from Washington.
* A blueprint to revise…