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Yesterday very hot. all of a sudden ac stopped working.
yesterday very hot. all of a sudden ac stopped working. blows air but not cold … read more
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Degree, Mech Engr Technology
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Hello. HVAC air condition question here. I live in Northeast Florida and have a 1930 old home fully renovated about 6000 sq feet and we are doing a replacement of four old R22 units. The question is i… read more
airheatman
airheatman
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I am remodeling our house in Central New Jersey, the house
Hi! I am remodeling our house in Central New Jersey, the house is gutted to studs for all new rough-ins, HVAC, Electrical, Plumbing and interiors. It is 2-story Preraie style custom ranch home facing … read more
airheatman
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I have a 3.5 ton AC unit which is not working. The mechanic
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airheatman
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I have a 3300 -2 story, brick, un-insulated home in New Orleans-Hot
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A-1 Tech
A-1 Tech
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Vocational, Technical or Trade Scho
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Both my gas pack units went out at the same time on my home.
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airheatman
airheatman
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I am renovating the second floor of our home (2,000 SF, located
I am renovating the second floor of our home (2,000 SF, located in Minnesota): 3 bedrooms, 2 baths. Air handling unit is located in attic crawl space (unconditioned space). Existing flex duct feeds 3 … read more
Comfort Specialist
Comfort Specialist
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Vocational, Technical or Trade School
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I installed several delta electronics humidity sensing fans
I installed several delta electronics humidity sensing fans in the bathrooms of a house I own. But the exhaust is so extensive that the wall heater malfunctions – because too much air is sucked down t… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
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I have a 90plus Reehm furnace with a 3 ton AC unit installed
I have a 90plus Reehm furnace with a 3 ton AC unit installed in March 2011. Fan motor has made a humming sound when first trying to start up ever since I have owned. Installer has experimented continu… read more
Richard
Richard
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Question about usage of HRV I live in Ontario Canada. House
Question about usage of HRV: I live in Ontario Canada. House 2 years old. Am I correct my HRV should be on 24 hours a day, 365 days per year including the furnace fan? Will I probably save money durin… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
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I have a Lennox furnace model # XXXXX that was installed
I have a Lennox furnace model # XXXXX that was installed in my business 4 years ago. It is constantly breaking down. I have been told that it is too big for the house I remodeled into a beauty salon. … read more
BillyHvac
BillyHvac
Journeyman Service Technician
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Hello, My client has a tempstar smartcomfort 2200, I am building
Hello, My client has a tempstar smartcomfort 2200, I am building an addition of 418 sq feet. The architect said it would be fine to just add ducts and returns to the existing unit. I am building an ad… read more
Regan Land
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I recently had two new bathroom ventilation fans installed
I recently had two new bathroom ventilation fans installed by a contractor (as part of a complete, two bathroom remodeling project). The fans were different models. One was rated 4 sones, the other wa… read more
Rick
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I recently had a new central air and furnace installed (both
I recently had a new central air and furnace installed (both Carrier). I live in a condo downstairs and a unit above is occupied. I mentioned to the installers (from Sears) that not much air seemed to… read more
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I want to install a bathroom exhaust fan as part of a bathroom
I want to install a bathroom exhaust fan as part of a bathroom remodel in a condominium and the HOA won't allow me to punch through the exterior wall with a new vent. Can I route a duct for the new ex… read more
Rick
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Hi, Our house is a 100 year old farmhouse. 2600 square
Hi, Our house is a 100 year old farmhouse. 2600 square feet cosisting of two stories, a semi finished attic, 3/4 basement, and 1/4 crawl space. It has 8 foot ceilings 1st and 2nd floor. Attic is 8 foo… read more
Rick Mather
Rick Mather
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Thank goodness you guys exist!! I have a split system all electric
Thank goodness you guys exist!! I have a split system all electric heat pump. The big unit is on the roof of my condo building, with the air handler inside my unit. The system that just died is Carrie… read more
Kenton Guidry
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We are building a new house which is almost complete. I do
We are building a new house which is almost complete. I do not have confidence in the HVAC system. The home inspector said that the system meets codes; however, I have already found some problems with… read more
electrifier
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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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