HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I recently moved into a house with a Heil furnace. I do not
I recently moved into a house with a Heil furnace. I do not believe the blower is working correctly Model FBF100F14G1. I like to run my blower constantly with AC. Everything works fine except when the… read more
Michael Ferryman
Michael Ferryman
110 satisfied customers
I have a Heil furnace model NUGK075BH09 and what it's doing
I have a Heil furnace model NUGK075BH09 and what it's doing is when it calls for heat the vent motor comes on, then the burners ignite, and the fan/ limit switch turns the blower on and it pegs out th… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
Lennox air handler with helpless blower fan. Why is the fan
Lennox air handler with helpless blower fan. Why is the fan motor or cage quiet on heat but, as soon as I switch the stat to cool it get loud.… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
having a local vendor replace the AC and install an air cleaner.
having a local vendor replace the AC and install an air cleaner. IO have an old builder special furnace I am hoping to keep a few years longer as I;'m tight on money. My blower is the same as the one … read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
Hi, I have a rheem criterion 11 with a utec 1012-920 board. The blower speed is way to hig
Hi, I have a rheem criterion 11 with a utec 1012-920 board. The blower speed is way to high. Can I change to a lower speed on the board? Thermostat is 4 wire. Thanks… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I am wanting to increase blower speed on a Trane furnace. The
I am wanting to increase blower speed on a Trane furnace. The yellow and red are not being used. The blue and black go to a terminal block. The black is on the upper terminal and blue on lower termina… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have a Goodman GMH80604BN, 1600 CFM blower speed, I want
I have a Goodman GMH80604BN, 1600 CFM blower speed, I want to lower the fan speed to lowest setting on the control panel, How is this acheived… read more
joeydelia
joeydelia
HVAC-R Tech
High School or GED
81 satisfied customers
I have a trane upflow variable speed 2 stage gas furnace model
I have a trane upflow variable speed 2 stage gas furnace model #UD100R9V5H. This past summer we replaced the motor module and unit ran all summer no problem. Now, call for heat light flashes, ventor m… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I have a Rheem Criterion furnace which has been used in a central
I have a Rheem Criterion furnace which has been used in a central refridgerated air conversion. I would like to reduce the blower motor speed as it runs on high at all times and there is no speed swit… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,416 satisfied customers
Billy, you helped me last year with an AC problem...I have
Billy, you helped me last year with an AC problem...I have a new one for you. Lennox G51MP with 97L48 SureLight Control AC does not stay running, here is the detail. 1. T-stat demands cool 2. Outside … read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have a trane twe063p13fb0 air handler. I would like to slow
I have a trane twe063p13fb0 air handler. I would like to slow down the fan speed. The motor has three posts A B & C (slow medium hi) with a red wire connected to B. Would I just move the red wire to t… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I would like to us Fan On at thermostat to run Heil DC90
I would like to us "Fan On" at thermostat to run Heil DC90 furnace in low speed. Is this possible? Are there DIP switch settings for this mode?… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
I am checking my system before winter really rolls in in Texas
I am checking my system before winter really rolls in in Texas and when I set my thermostat to heat, the furnace (Luxaire G8T06012UHA11A) ignites without any issue, but the blower fan does not come on… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
My HEIL HVAC unit is having a problem again, the blower does
My HEIL HVAC unit is having a problem again, the blower does not come up to speed gets hot and stops. i replaced motor and speed control board, getting 126v at L1 and nutral, all 4 blower speed wires … read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
Hello, Im gonna try this again w/someone who knows, I purchased
Hello, I'm gonna try this again w/someone who knows, I purchased a brand new Split Heil A/c system, in the spring, The unit(s) are as follows, Heil-DX1400 3Ton model #H4A436GKD200 in tandem w/a Heil 4… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
any suggestions i have a 4 ton goodman a/c on 2,000 sq ft
any suggestions?? i have a 4 ton goodman a/c on 2,000 sq ft single story home with 12' ceilings.... i have a humidity problem and can't resolve without use of a dehumidifier. without dehumidifier runn… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
My Goodman GMNTE120-5 has been shutting off after 2 minutes
My Goodman GMNTE120-5 has been shutting off after 2 minutes of the natural gas burner coming on. The main limit operates and opens the circuit shutting down the burners. The duct blower fan kicks into… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,209 satisfied customers
I just changed my trane home furnace/ac blower motor. It is
I just changed my trane home furnace/ac blower motor. It is working fine except I notice the slow speed of the motor does not go slow when I run the heat or ac. When is this function of the furnace wo… read more
DanielC
DanielC
Service manager
High School or GED
95 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x