How expensive to install central heating in an Amish-built house that has none?
Q. I have my eye on a nice 6 bedroom house in Pennsylvania that was built in 2002 by Amish and has no central heating. Any HVAC cognescenti have an opinion on the cost (and wisdom) of retrofitting it with central heating? One of the central issues is that banks don't like to give mortgages (apparently) on houses that have no central heating.
Asked by MahatmaJohn - Sat Dec 27 17:22:22 2008 - - 2 Answers - 0 Comments

A. I'm guessing that with six bedrooms, this must be a fairly large house. You do not give many details such as the overall square footage of living area, number of stories, type and R-value of any insulation, etc. Does the house have a basement, crawlspace, or is it built on a concrete slab? Do you know what fuel you want to use to heat the house? Electric, natural gas, and fuel oil are the most common fuels, although these days there are many other options. How hard will it be to retrofit the house to accomodate ductwork? I'm sure that you want a heating system, but what about cooling? How about a whole house humidifier/dehumidifier and or air purification? I'm sure that you get the picture by now. It is all but impossible to give… [cont.]
Answered by exbuilder - Mon Dec 29 13:11:24 2008

Is it cheaper to run a central AC unit for an entire apartment, or a couple window units?
Q. I would really like to move into this one apartment, but it doesn't have a Central AC unit. Instead, it has a couple of the window units. I live in Florida, so it does get hot, and I will be running either unit pretty much all the time. Is it cheaper to run a couple of window units, or a Central AC unit? The apartment is only 500 square feet, so there isn't too much area to cool.
Asked by Jenny - Wed Apr 29 08:43:32 2009 - - 4 Answers - 0 Comments

A. I've found out that running central air is more cost efficient,but for such a small space the window units should be fine. Since the central air will cost you to have installed into an apartment that you are only renting stick with the window units. If it were your home and you owned it then central air would be the best bet.
Answered by silky1 - Wed Apr 29 09:42:40 2009

How do I drain a pressurised central heating system?
Q. I need to drain, then refill, a closed pressurised central heating system, in order to replace a radiator. But how do I refill it?
Asked by ROBERT - Fri Jun 15 10:02:15 2007 - - 5 Answers - 0 Comments

A. if you are replacing a radiator with one the same size there is no need to drain the system just shut off the 2 valves at each end of the radiator and remove by loosening the connection nearest the radiator, remember to put something to catch the water that will come out of the radiator when you start to loosen the connections, assist the draining by opening the bleed valve at the top .
Answered by john - Mon Jun 18 07:30:34 2007