Recent Comments and Answered Questions on Lakesideca Advisor

  • Martin Holladay | Jan 18,2018 06:00 AM EST
    Kevin, If your house has a 10-kW photovoltaic system, there is no reason to invest in gas-powered appliances (as Dana noted). You want an all-electric solution (and you don't want to pay any ...
  • Martin Holladay | Jan 18,2018 05:47 AM EST
    William, A few observations on duct insulation. Bubble wrap is close to useless. It has negligible R-value, and most marketers of bubble-wrap products are deceptive. That said, you don't ...
  • Martin Holladay | Jan 18,2018 05:32 AM EST
    Cevhh, First of all, can you tell us your name? Dana is 100% right. 1. It's perfectly OK to use foil-faced polyiso. 2. You definitely want to tape the seams of the polyiso. 3. The ...
  • Martin Holladay | Jan 18,2018 05:24 AM EST
    Benjamin, The type of domestic hot water system described by your contractor is called an indirect water heater. An indirect water heater is a tank connected to a boiler -- almost always a ...
  • Martin Holladay | Jan 18,2018 05:17 AM EST
    Jill, If you care about operating costs, you would need to tell us your electricity rate and the local cost for natural gas or propane. The contractors who are telling you that Climate Zone 5 ...
  • Martin Holladay | Jan 18,2018 05:10 AM EST
    Datum, When you see interior moisture on an unvented cathedral ceiling, here is the usual mechanism for the problem. 1. Like most homes, your home is imperfectly air sealed. Interior air is ...
  • Andy Chappell-Dick | Jan 17,2018 10:49 PM EST
    For what it's worth, Ohio's residential building code is still anchored to the 2009 IRC, which has much leaner requirements for basements (http://codes.ohio.gov/oac/4101%3A8-11). Dana's ...
  • Walter Ahlgrim | Jan 17,2018 10:48 PM EST
    Our houses and weather seem very similar. If you have low cost city gas available on site that is most likely the most comfortable and lowest cost heat source. If your goal is be a net ...
  • Dana Dorsett | Jan 17,2018 10:31 PM EST
    The exterior face of the polyiso is at the same temperature as the CMU and if the exterior foil is at the dew point of the air in the CMU cores or outdoors, the condensation would be happening in ...
  • Malcolm Taylor | Jan 17,2018 10:23 PM EST
    Tom, A large part of any building code concerns the safety of occupants, be it hand-railing heights, stair dimensions, proximity of exits, structural minimums, fire-stopping, most of the ...
  • | Jan 17,2018 08:19 PM EST
    People are slow to change and naturally suspicious of the new. We were early adopters of the Chevy Volt in July 2011. Whilst expensive to buy, it was no more than a small BMW. And frankly. the ...
  • Steve Knapp CZ 3A Georgia | Jan 17,2018 07:37 PM EST
    Installing air permealable insulation against the sheathing can be a problem. Is this something you did recently or did you inherit this installation? Is this an attic space or cathedral ceiling?
  • | Jan 17,2018 06:53 PM EST
    Datum, We are 15 miles south of Portland, Oregon. Roof has about 8" of bagged insulation. The beam is sweating and sheetrock is showing signs of moisture also. This only happened after we ...
  • Dana Dorsett | Jan 17,2018 06:37 PM EST
    Polyiso is only a "NO" for direct soil contact (including even topside contact with concrete slabs that have no polyethylene vapor barrier below them.) On walls it's just fine, even below grade, ...
  • Calum Wilde | Jan 17,2018 06:36 PM EST
    What compressive strength rigid insulation should be used for a basement floor?
  • Dana Dorsett | Jan 17,2018 06:16 PM EST
    A fifth of a ton is 12,000/5= 2400 BTU/hr, (British Thermal Units per hour) which is about 700 watts, if covering it with a baseboard heater. If it's the HVAC contractor who did the load ...
  • Steve Knapp CZ 3A Georgia | Jan 17,2018 05:55 PM EST
    Datum, Where are you located? What type and how much insulation do you have installed? What do you mean “moisture is a problem?”
  • Caroline Di Diego | Jan 17,2018 04:59 PM EST
    Mike, This maybe be a bit off the wall but perhaps worth researching. We use the corrugated metal tanks with liners for our rain catchment systems. 30k is not unusual, In our case the liner ...
  • William Costello | Jan 17,2018 04:51 PM EST
    The HVAC contractor told me that the basement "loaded out" at about a fifth of a ton.
  • William Costello | Jan 17,2018 04:46 PM EST
    We're in Montgomery County, VA, just outside of Blacskburg. Thank you Dana and Martin. I'm going to ask my builder to check with the county building inspector and get a definitive answer on ...
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