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About Morgan M. Audetat
(Top Expert on this page)

Expertise
Radiant floor heating. Snow Melting. Boilers. Indirect water heaters. Tankless water heaters. Current owner BadgerBoilerService.com Minneapolis based mechanical contractor specializing in Mod/Con based, integrated heating systems. System design, consulting and technical training world-wide. Currently designing hot water based heating and snowmelting systems for spaces ranging from 50 to 50m square feet. Consulting fees start at $500.00US

Experience
30 years. Organizations: Charter Board Member - Radiant Panel Association, former manufacturer of the first American-made wall-hung, sealed combustion condensing boilers, son and apprentice of mechanical & plumbing contractor. Continuing Education: Uponor/Wirsbo advanced design school 2007, Power Limited License (low voltage controls) 40 CE credits 2005, B&G Little Red School House 1993, Tekmar Controls residential and commercial 1993, Division Manager and Advanced Hydronic Seminar Host for the first Hydronic Radiant Floor Distributor in the USA 1990, Hydronic Heating Association Workshop participant with Richard c. Bourne, PE spring 1988, Master Plumbing/Hydronic/Solar Course Red Rocks Community College 1987. Education: B.S. University WI 1981, 26 yrs. continuing education. Licensed CO, MN & WI. Home Inspection license WI exp. Awards and Honors: My momma's favorite son. Past/Present Clients: References upon request.
   

You are here:  Experts > Home/Garden > Home Improvement/Repair > Radiant Floor Heating

SubjectDate AskedExpert

placement of radiant floor circulators6/30/2008Morgan M. Audetat
  Q: I would like to know the best location for the circulator in a radiant sytem (located on second ...
  A: InfloorŪ use to make an integrated pump and manifold. (In fact it was one of the first modern ...
Uninsulated slab radiant heat - retrofit6/29/2008Morgan M. Audetat
  Q: Well, Morgan, it looks like I just made a very costly mistake. I just bought a tiny 440 sq ft house ...
  A: I insulate four feet down, out or in with 2" closed cell polystyrene: this to fight the frost. I ...
Cost of heating with Wirsbo/Uponor6/2/2008Morgan M. Audetat
  Q: Is there any way to determine how much it cost to heat a house with wirsbro heat? Last year we used ...
  A: Wirsbo (now Uponor) is the manufacturer of radiant floor tubing. The installation of radiant floor ...
Bathroom Warm Floor Radiant5/28/2008Morgan M. Audetat
  Q: I'm a DIY-er remodelling a house and would like to add warm water radiant floors to my bathrooms. ...
  A: Sorry, I jumped to a conclusion. I am glad you sought help though I can't fully understand the ...
Incorrect sized pex piping5/27/2008Morgan M. Audetat
  Q: 8 years ago, radiant heating system installed in our home. We heat 95% with wood. Last couple of ...
  A: Glycol bad, water good. A system with glycol produces less heat and costs more to operate. I only ...
radiant floor heating with gas and solar5/27/2008Morgan M. Audetat
  Q: im putting in a radiant floor heating system in my house. its a "open direct system". i was ...
  A: If an "open direct" system is a hydronic system which uses drinking water to heat the floors and ...
subfloor radiant heating5/20/2008Morgan M. Audetat
  Q: I am writing today because I seek advice about heating my home with subfloor radiant heating. My ...
  A: Staple up or sub-floor radiant heating is one of the most challenging of all. First, it must be on ...
boiler with indirect water heater ?5/16/2008Morgan M. Audetat
  Q: We live in Colorado and do not need our radiant heat during the summer but currently have a boiler ...
  A: Indirect water heaters are the best water heater available when coupled with a boiler. If your ...
Old copper radiant floor leaking5/16/2008Morgan M. Audetat
  Q: Reading through them has been great, and our situation is a bit different from the ones I've read so ...
  A: Panel radiators are the next best thing. I have retrofitted a few older homes and designed many for ...
radiant over existing slab5/15/2008Morgan M. Audetat
  Q: I would like to install hydronic heating in my finished basement. I have 9 foot ceilings. 1 - Does ...
  A: The answer is; it depends. It would be great to take up all the cement, insulate, staple tube down ...
*Cast iron boilers vs. Mod/Con boilers*5/15/2008Morgan M. Audetat
  Q: I'm researching new heating options for my 1901, 2200 SF house (cast iron radiators) in northern MN. ...
  A: Mod/Con boilers are the most efficient LTW boilers available today! Let me take a moment to ...
tube layout under cabinets?5/13/2008Morgan M. Audetat
  Q: With hydronic heating should we avoid putting the tubing under kitchen counters, islands, food ...
  A: Cooling down the hydronic fluid is called heating the space. Occasionally opening a cabinet on an ...
tube layout under cabinets?5/12/2008Morgan M. Audetat
  Q: With hydronic heating should we avoid putting the tubing under kitchen counters, islands, food ...
  A: The official answer is yes. We generally do not tube under areas over which we will not walk or ...
Advice - Tankless Water Heaters5/9/2008Morgan M. Audetat
  Q: I finally decided to replace the water heater I have with a tankless one. After some research, I ...
  A: Tankless water heaters are THE thing in much of Asia and Europe. The Japanese and Koreans have phone ...
$5000.00 Propane bill !! help5/8/2008Morgan M. Audetat
  Q: Location: Skanee, MI. (near L'Anse) Elevation: approx 1350ft Stage: recent purchase home built ...
  A: First find out the cost per therm for all available fuel sources e.g. wood, electric oil. I would ...
Pex Repair5/7/2008Morgan M. Audetat
  Q: My carpenter accidentally put a nail through the Pex tubing while installing wood flooring over a ...
  A: Repairing PEX tubing leaks is usually fast and easy. Ask the manufacturer for a repair coupling, cut ...
Radiant Heating (wall vs. floor)5/6/2008Morgan M. Audetat
  Q: I just put in a very lengthy question and when I clicked on "check spelling" the entire entry ...
  A: Radiating any surface in a home will add to winter time comfort. However, most people feel more ...
All radiant or nothing?4/25/2008Morgan M. Audetat
  Q: Does the whole house need to have radiant flooring, or is it possible to do a complete lower level ...
  A: You may radiate one room with one radiator or radiant floor and heat the rest or your home with a ...
Radiant heating-PEX in middle or bottom of slab4/25/2008Morgan M. Audetat
  Q: I'm in the process of constructing a new 1800 sq ft log home in central Wisconsin. It will have ...
  A: "Would attaching to the insulation result in a noticeable difference?" Generally speaking; no. ...
Solar heat with radiant floor system4/23/2008Morgan M. Audetat
  Q: I have radiant in floor heat. I want to use solar panels to heat the water for my system. Can it ...
  A: Solar can be a great heat source for radiant panels be they floor wall or ceiling. In Northern ...
Electric Radiant Floor Heat DIY re-design4/22/2008Morgan M. Audetat
  Q: I'm looking to install electric radiant heating wires in our rehabbed bathroom and would like to ...
  A: The layperson should ALWAYS read, understand and follow the manufacturer's installation instructions ...
Ticking radiant floors4/20/2008Morgan M. Audetat
  Q: Were you able to solve your problem? I just moved into a newly built house and have the same ...
  A: In the early days of Modern Radiant Floors we were told to staple tube up tight to the floor to ...
radiant floor heat, AND heat strips in A/C air handler... needed?4/18/2008Morgan M. Audetat
  Q: ground will be broken in a month or so on our new home... I'm reviewing bids on the HVAC bids. All ...
  A: Many contractors still don't trust radiant floor to heat a home and prefer to include up to 100% ...
Oil conversion4/13/2008Morgan M. Audetat
  Q: We have a 1908 3(3rd is attic) story home that is curently heated with forced air oil fired furnace ...
  A: Gas burns cleaner and requires less qualified service, less often. But heating the house from the ...
Tankless water heaters and Radiant Floors4/5/2008Morgan M. Audetat
  Q: I'm building a new 1800sq ft home in Waldport, Oregon and I'm wondering if a Rinnai tankless water ...
  A: This is a common though questionable application. I design many systems using various conventional ...
electrical floor boxes in Gypcrete4/3/2008Morgan M. Audetat
  Q: I am wiring a home that will have 2" of gypcrete poured for the hydronic floor heat. The homeowner ...
  A: I use a plastic box to resist the initial moisture introduced with a Gypcrete pour. Weather-proof ...
Heat pumps and radiant floor heating3/28/2008Morgan M. Audetat
  Q: Have you ever heard of using a heat pump to run a radiant floor heating system? I was told it was ...
  A: Perfect! I specify and design many systems with "hydronic heat pumps". Where cooling is a longer ...
Potable and water heating together...NO3/24/2008Morgan M. Audetat
  Q: I am an absolute neophyte to hydronic systems. I recently purchased a home in the mountains of Utah ...
  A: Potable water heater for space heating and domestic water heating is not an accepted ...
warmboard vs gypcrete3/20/2008Morgan M. Audetat
  Q: I am about to break ground on a 3300 sq ft, one story house and am stuck deciding between Warmboard ...
  A: I just finished a design in Steamboat. It is surprisingly close to the design criteria we use here ...
Tube Spacing Between Floor Joist3/19/2008Morgan M. Audetat
  Q: I am planning to have under floor joist heating; my contractor is planning to have the spacing ...
  A: Tube spacing is determined first by an accurate heat loss analysis. 24" spacing is uncommon in all ...
Off Peak Electric Hydronic Heating3/13/2008Morgan M. Audetat
  Q: I want to store heat in one 80 gallon water heater and one 163 gallon storage tank connected in ...
  A: As you have gathered, "off-peak" is a tricky business. My experience has been mixed on the concept ...
domestic hot water PLUS radiant floor htg3/11/2008Morgan M. Audetat
  Q: I hope you can put me out of my radiant misery... i am building a 934sf 3 story beach house in ...
  A: The answer is... CombiCor! I love a simple, reliable and safe INTEGRATED heating system. It saves ...
insulation board gap on Badgerboilerservice.com3/7/2008Morgan M. Audetat
  Q: Mr Audetat, I am a custom builder in North Carolina who has just read nearly every posting you have ...
  A: The insulation gap was political. I did not sign off on it, but as the floor is 8 feet below grade ...
Carpet and Padding for Radiant Floor Heating3/5/2008Morgan M. Audetat
  Q: I understand to look for the lowest R-Value but besides that, what is the best type of carpet and ...
  A: That is a long list, but the short answer is to stay away from wool carpeting and be especially ...
Scorched air vs. Radiant Comfort3/5/2008Morgan M. Audetat
  Q: We are in the process of building a new home. I am interested in high efficiency heating/cooling ...
  A: Of course its worth it! Don't you deserve to be comfortable? For less than you will spend on a new ...
Electric vs. Gas..........AGAIN3/2/2008Morgan M. Audetat
  Q: I have a air to water exterior reversable heat pump that I need to replace with something else.My ...
  A: Please contact for fuel providers. They are experts and will do the math for you. If you have ...
electric radiant high heat bill2/25/2008Morgan M. Audetat
  Q: I have a brand new radiant system in a 18 ft by 22 ft workshop in Frigid Minnesota. I am using a ...
  A: I live in work in Minnesota. Our local electricity is about 8 cents per kW. or 3 times the cost of ...
Radiant floor set-back.2/25/2008Morgan M. Audetat
  Q: I've just built a new house. Winter house, in the snow, ~ 7000 ft, 3 stories, ~3500 sq. ...
  A: If you want to set back a vacation home for instance, you must plan ahead. That is, call ahead and ...
radian heat source2/24/2008Morgan M. Audetat
  Q: we're remodeling a 3thousand sq ft. home in the ny, ny area. I am planning on installing radiant ...
  A: There are Mod/Cons made to heat any space. Both boilers are fine. You will need an indirect water ...
use anti-freeze in pipes vs draining system and disconnect one or two pipes2/19/2008Morgan M. Audetat
  Q: Our home was built in 1950 and has radiant heat in the floor/ceilings of the basement, first and ...
  A: Anti-freeze makes any hydronic system use more fuel and electricity for the same work done. Great ...

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