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I am in the process of purchasing an 11 year old home that
I am in the process of purchasing an 11 year old home that recently had a damper problem with a unit installed in the crawl space of the home. The entire crawl space is insulated with fiberglass batt … read more
Rick
Rick
HVAC Supervisor
25,153 satisfied customers
Question about basement insulation... It's not a problem -
It's not a problem - it's a question...we live in the Atlanta area. 3 years ago, we purchased an existing home that has a full, unfinished walk-out basement, which means that the entire north and west side of the basement is above grade. The south and east walls are poured concrete and are below grade. When we bought the home, it had zero insulation in the stud walls on the north and west sides. The concrete walls also were not insulated. However, there was faced fiberglass insulation stuffed between the floor joists in the basement ceiliing … read more
Rick
Rick
HVAC Supervisor
25,153 satisfied customers
I want to blow insulation into my unheated garage walls.
I want to blow insulation into my unheated garage walls. This is a split level house from the 1950s. Bedrooms are above the garage. The ceiling of the garage has insulation and two layers of drywall. … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
What is the vapor barrier on flex duct? An photo or drawing
What is the vapor barrier on flex duct? An photo or drawing with explanation would be most helpful somewhere on line that I could download. My understanding of a flex duct has 3 parts or layers. The i… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I am enclosing a porch with a 2 x 4 rafters and I cannot figure
I am enclosing a porch with a 2 x 4 rafters and I cannot figure out how to properly insulate the ceiling under the roof so that it won't create moisture problems… read more
Rick
Rick
HVAC Supervisor
25,153 satisfied customers
Have 28 year old house 3000sqft built on concrete piers with
Have 28 year old house 3000sqft built on concrete piers with 30" crawl space located on AL Gulf Coast. Currently having a grandson to replace fiberglass batts that have become dislodged due to time, w… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have a 3 story house with two crawl spaces, ands two enclosed
I have a 3 story house with two crawl spaces, ands two enclosed garages, one of which was built without proper vapor barriers. The house is on a hill and is thus subject to underground water. There is… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I changed my garage into a 13x 20 bedroom, where - 13X15 is
I changed my garage into a 13x 20 bedroom, where - 13X15 is a room and 4.5x7 bathroom. It is adjacent to utility room, where furnace stands. I want to create an air duct to connect this new room and a… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Hello, Im trying to figure out an ambitious plan for fixing
Hello, I'm trying to figure out an ambitious plan for fixing my hvac in my home. I'm planning on redoing the ductwork in my house before I have the furnace and ac replaced. Current furnace is 20+ year… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
what can I do against condensation in the ducts in the crawlspace? Then
what can I do against condensation in the ducts in the crawlspace? Then insulation of some flex ducts in the crawlspace is soaking wet. Also there are puddles under the connection boxes.… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
MY HOME WAS BUILT IN 1991, MICHIGAN AND I AM THE NEW OWNER
MY HOME WAS BUILT IN 1991, MICHIGAN AND I AM THE NEW OWNER AS OF 11/22/2011. I HAD SAFETY KING, INC CLEAN MY FURNACE(COIL) AND HEATING&COLD AIR DUCTS ON 11/23/2011. wHEN FINISHED THEY PLACED A NEW 3M … read more
Drew1315
Drew1315
Over 5 years of college education
89 satisfied customers
We have a new 2 story house, about 2 years old. The A/C and heat does not properly flow i
We have a new 2 story house, about 2 years old. The A/C and heat does not properly flow into one of the lower rooms. We didn't discover it while under warranty, because the room is rarely used. It app… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
Recently completed building loses heat rapidly at night and
Recently completed building loses heat rapidly at night and gains virtually no heat during a sunny day. Outside dimensions 32 ft. x 14 ft. x ca. 9 ft. high at peak. Has barn roof. Roof is 1/2 inch OSB… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
8 or 6 duct We just converted attic space to 3 Bedrooms
8" or 6" duct? We just converted attic space to 3 Bedrooms and 2 baths. Need to bring heat up there from the crawlspace (furnace location). The whole house now is 2900 ft2. We have a 5 yr Bryant 100,0… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
we bought a home in Vt a few years ago. It was built on a slab.
we bought a home in Vt a few years ago. It was built on a slab. It has a venmar air exchange system. Initially the floor covering peeled every summer when the heat was turned off. The contractor then … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
insulating my basement ..... installing polystyrene foam 1
insulating my basement ..... installing polystyrene foam 1 1/2 inches thick using pl 3000 adhesive....will have a subfloor 2 x 2 feet panels with foam base = r3.2. 2 x 4 studed walls infront of foam f… read more
Stephen Cutler
Stephen Cutler
Registered Residential Contractor
licensed residential contractor
1,851 satisfied customers
We are buying a 900 sf lake house that needs both hot water
We are buying a 900 sf lake house that needs both hot water and boiler replaced. Currently uses propane gas to fuel separate hw and boiler. House has baseboard heating units. Can we install a combi un… read more
Rick
Rick
HVAC Supervisor
25,153 satisfied customers
I a pretty handy gal. I want to know how to go about installing
I a pretty handy gal. I want to know how to go about installing centeral heat & air in a really small house in California that never has had anything more than a wall heater that is pretty much useles… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
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Meet the Experts:

Phil

Phil

Mechanical Engineer

7,634 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,024 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Rick Ridley

Rick Ridley

UK Heating Engineer

871 satisfied customers

Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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